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Starbursts in barred spiral galaxies. VI. HI observations and the K-band Tully-Fisher relation
This paper reports a study of the effect of a bar on the neutralhydrogen (HI) content of starburst and Seyfert galaxies. We also makecomparisons with a sample of ``normal'' galaxies and investigate howwell starburst and Seyfert galaxies follow the fundamental scalingTully-Fisher (TF) relation defined for normal galaxies. 111 Markarian(Mrk) IRAS galaxies were observed with the Nançay radiotelescope,and HI data were obtained for 80 galaxies, of which 64 are newdetections. We determined the (20 and 50%) linewidths, the maximumvelocity of rotation and total HI flux for each galaxy. Thesemeasurements are complemented by data from the literature to form asample of Mrk IRAS (74% starburst, 23% Seyfert and 3% unknown) galaxiescontaining 105 unbarred and 113 barred ones. Barred galaxies have lowertotal and bias-corrected HI masses than unbarred galaxies, and this istrue for both Mrk IRAS and normal galaxies. This robust result suggeststhat bars funnel the HI gas toward the center of the galaxy where itbecomes molecular before forming new stars. The Mrk IRAS galaxies havehigher bias-corrected HI masses than normal galaxies. They also showsignificant departures from the TF relation, both in the B and K bands.The most deviant points from the TF relation tend to have a strongfar-infrared luminosity and a low oxygen abundance. These resultssuggest that a fraction of our Mrk IRAS galaxies are still in theprocess of formation, and that their neutral HI gas, partly of externalorigin, has not yet reached a stationary state.Based on observations obtained at the large radiotelescope ofObservatoire de Nançay, operated by Observatoire de Paris.Tables 5 and 6 are only (and Table 4 also) available in electronic format the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) orvia http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/416/515

The cold gas properties of Markarian galaxies
A sample of 61 Markarian galaxies detected in the CO line was compiled.Using available HI, element H2, optical and radio continuumdata, the analysis of the gas kinematics and the star formationproperties for this sample of galaxies was performed. The mainconclusion can be summarized as follows: (1) The HI and CO line widthsare well correlated. Interaction between galaxies has no influence onthe CO line broadening. A rapidly rotating nuclear disk in the galaxymight lead to the CO line broadening with less influence on the HI line.(2) The atomic and molecular gas surface densities are well correlatedwith the blue, FIR and radio continuum surface brightness; however, thecorrelation for molecular component is stronger.\ (3) In general, thegalaxies with UV-excess (Markarian galaxies) do not differ in their starformation properties from the non-UV galaxies.

Far-Infrared Census of Starburst-Seyfert Connection
Far-infrared flux densities are newly extracted from the IRAS databasefor the Revised Shapley-Ames and CfA complete samples of Seyfertgalaxies. These data are used to classify the Seyfert galaxies intothose where the far-infrared continuum emission is dominated by theactive galactic nucleus (AGN), circumnuclear starburst, or host galaxy.While AGN-dominant objects consist of comparable numbers of Seyfert 1and 2 galaxies, starburst- and host-dominant objects consistpreferentially of Seyfert 2 galaxies. Thus, in addition to the dustytorus, the circumnuclear starburst region and host galaxy are importantin hiding the broad-line region. Morphologically, starburst-dominantSeyfert galaxies are of later types and more strongly interacting thanAGN-dominant Seyfert galaxies. In a later type galaxy, the AGN centralengine has a lower Eddington luminosity, and the gaseous content ishigher. The gas is efficiently supplied to the starburst via agalaxy-galaxy interaction. Morphologies of host-dominant Seyfertgalaxies are of various types. Since starbursts in Seyfert galaxies areolder than those in classical starburst galaxies, we propose anevolution from starburst to starburst-dominant Seyfert to host-dominantSeyfert for a late-type galaxy. An evolution from AGN-dominant Seyfertto host-dominant Seyfert is proposed for an early-type galaxy. Thesesequences have durations of a few times 108 yr and occurrepeatedly within a galaxy during its evolution from a late type to anearly type.

The Local Lyα Forest. III. Relationship between Lyα Absorbers and Galaxies, Voids, and Superclusters
In this paper we use large-angle, nearby galaxy redshift surveys toinvestigate the relationship between the 81 low-redshift Lyαabsorbers in our Hubble Space Telescope GHRS survey and galaxies,superclusters, and voids. In a subsample of 46 Lyα absorberslocated in regions where the 2000 February 8 CfA catalog is completedown to at least L* galaxies, the nearest galaxy neighbors range from100 h-170 kpc to greater than 10h-170 Mpc. Of these 46 absorbers, eight are foundin galaxy voids. After correcting for path length and sensitivity, wefind that 22%+/-8% of the Lyα absorbers lie in voids, whichrequires that at least some low column density absorbers are notextended halos of individual bright galaxies. The number density ofthese clouds yields a baryon fraction of 4.5%+/-1.5% in voids. Thestronger Lyα absorbers (1013.2-1015.4cm-2) cluster with galaxies more weakly than galaxies clusterwith each other, while the weaker absorbers(1012.4-1013.2 cm-2) are more randomlydistributed. The median distance from a low-z Lyα absorber in oursample to its nearest galaxy neighbor (~500 h-170kpc) is twice the median distance between bright galaxies in the samesurvey volume. This makes any purported ``association'' between theseLyα absorbers and individual galaxies problematic. The suggestedcorrelation between Lyα absorber equivalent width (W) andnearest galaxy impact parameter does not extend to W<=200mÅ or to impact parameters greater than 200h-170 kpc. Instead, we find statistical supportfor the contention that absorbers align with large-scale filaments ofgalaxies. The pair of sight lines, 3C 273 and Q1230+0115, separated by0.9d on the sky, provides an example of eight absorbers and sevengalaxies aligned along a possible filamentary structure at least 20h-170 Mpc long. While some strong (W>400mÅ) Lyα absorbers may be gas in the extended gaseous halosof individual galaxies, much of the local Lyα ``forest'' appearsto be associated with the large-scale structures of galaxies and somewith voids. Based on observations with the NASA/ESA Hubble SpaceTelescope, obtained at the Space Telescope Science Institute, which isoperated by the Association of Universities for Research in Astronomy,Inc., under NASA contract NAS 5-26555.

Arcsecond Positions of UGC Galaxies
We present accurate B1950 and J2000 positions for all confirmed galaxiesin the Uppsala General Catalog (UGC). The positions were measuredvisually from Digitized Sky Survey images with rms uncertaintiesσ<=[(1.2")2+(θ/100)2]1/2,where θ is the major-axis diameter. We compared each galaxymeasured with the original UGC description to ensure high reliability.The full position list is available in the electronic version only.

Transitional YSOs: candidates from flat-spectrum IRAS sources
We are searching for Young Stellar Objects (YSOs) near the boundarybetween protostars and pre-main-sequence objects, what we termTransitional YSOs. We have identified a sample of 125 objects ascandidate transitional YSOs on the basis of IRAS colors and the opticalappearance on POSS plates. We have obtained optical and near-IR imagingof 82 objects accessible from the Northern Hemisphere and optical imagesof 62 sources accessible from the South. We also created deconvolved 60mu m IRAS images of all sources. We have classified the objects on thebasis of their morphology in the optical and near-IR images. We findthat the majority of our objects are associated with star-formingregions, confirming our expectation that the bulk of these objects areYSOs. Of the 125 objects, 28 have a variety of characteristics verysimilar to other transitional YSOs, while another 22 show some of thesecharacteristics. Furthermore we have found seven objects to be goodcandidates for members of the Herbig Ae/Be stellar group, of which threeare newly identified as such. We have placed a set of images for each ofthe objects in the archives of the Centre de Données astronomiquede Strasbourg (CDS). Based on observations collected at the EuropeanSouthern Observatory, La Silla, Chile.

The Pico DOS Dias Survey Starburst Galaxies
We discuss the nature of the galaxies found in the Pico dos Dias Survey(PDS) for young stellar objects. The PDS galaxies were selected from theIRAS Point Source catalog. They have flux density of moderate or highquality at 12, 25, and 60 μm and spectral indices in the ranges -3.00<= alpha(25, 12) <= + 0.35 and -2.50 <= alpha(60, 25) <=+0.85. These criteria allowed the detection of 382 galaxies, which are amixture of starburst and Seyfert galaxies. Most of the PDS Seyfertgalaxies are included in the catalog of warm IRAS sources by de Grijp etal. The remaining galaxies constitute a homogeneous sample of luminous[log F (L_B/L_ȯ) = 9.9 +/- 0.4] starburst galaxies, 67% of whichwere not recognized as such before. The starburst nature of the PDSgalaxies is established by comparing their L_IR/L_B ratios and IRAScolors with a sample of emission-line galaxies from the literaturealready classified as starburst galaxies. The starburst galaxies show anexcess of FIR luminosity, and their IRAS colors are significantlydifferent from those of Seyfert galaxies-99% of the starburst galaxiesin our sample have a spectral index alpha(60, 25) < -1.9. As opposedto Seyfert galaxies, very few PDS starbursts are detected in X-rays. Inthe infrared, the starburst galaxies form a continuous sequence withnormal galaxies. But they generally can be distinguished from normalgalaxies by their spectral index alpha(60, 25) > -2.5. This colorcutoff also marks a change in the dominant morphologies of the galaxies:the normal IRAS galaxies are preferentially late-type spirals (Sb andlater), while the starbursts are more numerous among early-type spirals(earlier than Sbc). This preference of starbursts for early-type spiralsis not new, but a trait of the massive starburst nucleus galaxies(Coziol et al.). As in other starburst nucleus galaxy samples, the PDSstarbursts show no preference for barred galaxies. No difference isfound between the starbursts detected in the FIR and those detected onthe basis of UV excess. The PDS starburst galaxies represent the FIRluminous branch of the UV-bright starburst nucleus galaxies, with meanFIR luminosity log (L_IR/L_ȯ) = 10.3 +/- 0.5 and redshifts smallerthan 0.1. They form a complete sample limited in flux in the FIR at 2 x10^-10 ergs cm^-2 s^-1.

Total magnitude, radius, colour indices, colour gradients and photometric type of galaxies
We present a catalogue of aperture photometry of galaxies, in UBVRI,assembled from three different origins: (i) an update of the catalogueof Buta et al. (1995) (ii) published photometric profiles and (iii)aperture photometry performed on CCD images. We explored different setsof growth curves to fit these data: (i) The Sersic law, (ii) The net ofgrowth curves used for the preparation of the RC3 and (iii) A linearinterpolation between the de Vaucouleurs (r(1/4) ) and exponential laws.Finally we adopted the latter solution. Fitting these growth curves, wederive (1) the total magnitude, (2) the effective radius, (3) the colourindices and (4) gradients and (5) the photometric type of 5169 galaxies.The photometric type is defined to statistically match the revisedmorphologic type and parametrizes the shape of the growth curve. It iscoded from -9, for very concentrated galaxies, to +10, for diffusegalaxies. Based in part on observations collected at the Haute-ProvenceObservatory.

A multifrequency radio continuum and IRAS faint source survey of markarian galaxies
Results are presented from a multifrequency radio continumm survey ofMarkarian galaxies (MRKs) and are supplemented by IRAS infrared datafrom the Faint Source Survey. Radio data are presented for 899 MRKsobserved at nu = 4.755 GHz with the National Radio Astronomy Observatory(NRAO)-Green Bank 300 foot (91 m) telescope, including nearly 88% ofthose objects in Markarian lists VI-XIV. In addition, 1.415 GHzmeasurements of 258 MRKs, over 30% of the MRKs accessible from theNational Aeronomy and Ionosphere Center (NAIC)-Arecibo, are reported.Radio continuum observations of smaller numbers of MRKs were made at10.63 GHz and at 23.1 GHz and are also presented. Infrared data from theIRAS Faint Source Survey (Ver. 2) are presented for 944 MRKs, withreasonably secure identifications extracted from the NASA/IPACExtragalactic Database. MRKs exhibit the same canonical infraredcharacteristics as those reported for various other galaxy samples, thatis well-known enhancement of the 25 micrometer/60 micrometer color ratioamong Seyfert MRKs, and a clear tendency for MRKs with warmer 60micrometer/100 micrometer colors to also possess cooler 12 micrometer/25micrometer colors. In addition, non-Seyfert are found to obey thewell-documented infrared/radio luminosity correlation, with the tightestcorrelation seen for starburst MRKs.

Gas content of infrared luminous markarian galaxies
The atomic and molecular hydrogen gas properties of a complete sample ofMarkarian galaxies with flux density at 60 µm higher than 1.95 Jyare presented. We present the improved far-infrared luminosity functionof Markarian galaxies; and its comparison with other samples. We findthat 40% of the bright IRAS galaxies of far-infrared luminosity higherthan 1010.5 L are Markarian galaxies. There is an absence of correlationbetween HI content of Markarian galaxies and current star formationactivity, implying that star formation in these systems has complexstructure and it is not a simple function of the HI content. On thecontrary, the H2 content of Markarian galaxies is well correlated withstar formation activity. It is argued that tight correlation between HIand H2 contents is a consequence of transformation of atomic hydrogeninto molecular.

Optical positions and 327 MHz flux-densities of UGC galaxies in selected Westerbork fields
The study presents accurate optical positions of 421 UGC galaxies whichare used to search for 30 92-cm WSRT fields observed for emission fromthese galaxies. Good 92-cm flux densities were obtained for 140galaxies, marginal flux densities for 71 galaxies, and upper limits for210 galaxies. For 35 galaxies, spectral indices in the decimeterwavelength range are determined. The mean spectral index for spiralgalaxies (0.72 +/- 0.03) is very similar to that of elliptical galaxies(0.64 +/- 0.10). The four multiple systems in the sample have a muchflatter spectral index (-0.21 +/- 0.07), from which the presence of asignificant thermal component in their total radio emission issuggested. Comparison with IRAS results show that about half of thegalaxies detected at radio wavelengths are detected in the FIR. It isproposed that some spiral galaxies are anomalously weak in the IR ascompared with their radio brightness.

Radio and infrared emission from Markarian starburst galaxies
Radio and infrared emission were compared for a sample of 58 Markarianstarburst galaxies, chosen to cover a wide range of 60-micron luminositydensity. New radio observations were from the VLA at 6 and 20 cm in theB and A configurations. IRAS data were reanalyzed for 25 of thestarbursts that were previously undetected at either 25 or 100 microns.The correlation between the global radio and IR emission for thestarbursts in the sample is strongest at 25 and 60 microns, wavelengthsin which the warm dust dominates. The radio spectral index steepens awayfrom the center. This indicates that nonthermal emission leaks out ofthe starburst region. The change in the spectral index implies thatwhile nonthermal sources dominate in the entire region, the bulk of theinterior emission at 6 cm is thermal. The radio spectral index does notappear to vary as a function of the infrared luminosity or the infraredcolors, which indicates that the slope of the initial mass function doesnot appear to be a function of either the mass or temperature of thestarburst.

The integrated spectra of nearby galaxies - General properties and emission-line spectra
Results from a survey of the integrated spectra of 90 nearby galaxiesare presented. Intermediate- and low-resolution spectrophotometry overthe 3650-7000-A range is used to compile a spectral atlas of galaxiesand to investigate the systematic behavior of the emission-line spectrain normal and peculiar galaxies. The integrated absorption- andemission-line spectra show a smooth progression with Hubble type. Mostspiral and irregular galaxies exhibited detectable emission lines ofH-alpha forbidden O II, N II, S II, and sometimes H-beta and forbidden OIII. Methods for distinguishing between distant starburst galaxies andactive nuclei are discussed. The new data are used to examine thestatistical properties of the forbidden O II emission in galaxies and tocalibrate a mean relation between O II luminosity and the total starformation rate. The forbidden O II distribution for faint galaxies isvery similar to that which is observed for nearby Markarian galaxies.

The far-infrared properties of the CfA galaxy sample. I - The catalog
IRAS flux densities are presented for all galaxies in the Center forAstrophysics magnitude-limited sample (mB not greater than 14.5)detected in the IRAS Faint Source Survey (FSS), a total of 1544galaxies. The detection rate in the FSS is slightly larger than in thePSC for the long-wavelength 60- and 100-micron bands, but improves by afactor of about 3 or more for the short wavelength 12- and 25-micronbands. This optically selected sample consists of galaxies which are, onaverage, much less IR-active than galaxies in IR-selected samples. Itpossesses accurate and complete redshift, morphological, and magnitudeinformation, along with observations at other wavelengths.

Neutral hydrogen observations of galaxies in superclusters
Neutral hydrogen observations of spiral galaxies in the Uppsala GeneralCatalog were made with the 91 m telescope in Green Bank. Results of theH I observations are presented for 309 objects north of declination +38deg in the right ascension range between 10 h and 22 h and for a sampleof 46 objects just south of the equator in the region around R.A.between 0 h and 3 h. Many of these objects are outlying members ofsuperclusters and may be useful in the study of deviations from Hubbleflow on supercluster scales. Velocity widths as measured by fivedifferent algorithms are presented along with a profile quality index.

The cluster of galaxies SC 2008-57 (A 3667).
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1990RMxAA..21...52S&db_key=AST

Models for infrared emission from IRAS galaxies
The far-infrared spectra of galaxies detected in four wavelength bandsby IRAS have been modeled in terms of a cool disk component, a warmerstarburst component, and a Seyfert component peaking at 25 microns.Although the models are found to fit the observed spectra of non-Seyfertand several Seyfert galaxies, a more complex geometry for the dustdistribution is indicated for NGC 1068 and many other Seyfert galaxies.In some cases, the dust in the narrow-line region has a nonsphericallysymmetric geometry.

A model for far-IR emission of non-Seyfert Markarian galaxies
The paper presents simple models for the FIR emission from extended H IIregions and from cooler dust heated by the general interstellarradiation field. The models account for a realistic grain-sizedistribution including PAH molecules. In addition, the model explainsthe observed correlation between the FIR to optical luminosity ratio andthe 60-10 micron colors.

Line width-luminosity correlation for starburst galaxies
High-resolution spectroscopy and R-band CCD imagery are used to studythe kinematics of galaxies with starburst nuclei. Good correlations arefound between nuclear H-alpha emission line width and luminosity of thenucleus, and line width and host galaxy luminosity. The fundamentalcorrelation appears to be with the nucleus, but the slope is shallowerthan the Tully-Fisher relation. This makes it a potentially moresensitive luminosity indicator.

Optical and far-IR luminosity functions of Markarian galaxies
A new optical luminosity function of Markarian galaxies is presentedwhich improves on earlier determinations. The importance of clusteringof Markarian galaxies is checked by applying an alternative methodproposed by Turner (1979) which allows the shape of the luminosityfunction to be derived for an arbitrary space distribution provided thatthe shape is the same in clusters and in the field. A fractionalbivariate function is constructed using IRAS data, and survival analysistechniques are used to exploit the information content of IR upperlimits. The resulting far-IR luminosity function is presented andcompared with previous estimates.

Far-infrared luminosities of Markarian starburst galaxies. II - Individual galaxies
IRAS observations of galaxies in the Balzano sample of opticallyselected starburst nuclei and of a comparison of Virgo spiral galaxiesare used to derive far-infrared luminosities. Distances and blue andH-alpha luminosities of the starburst galaxies are also tabulated.

IRAS observations of starburst and nonactive spiral galaxies
Far-infrared properties of starburst, Seyfert II, and nonactive spiralgalaxies are analyzed using IRAS observations at 25, 60, and 100microns. Both starburst galaxies and nonactive spirals concentrate in asmall area in IR color-color diagrams. These observed colors can beinterpreted in terms of a cool (about 30 K) disk component plus a warm(about 80-90 K) component. The total IR luminosities of the starburstgalaxies range from 10 to the 10th to 10 to the 12th solar luminosities,while the upper limit of nonactive spiral galaxies is about 10 the 11thsolar luminosities. The IR color of the starburst galaxies is that of anormal spiral galaxy plus a larger warm component contribution. The 60micron flux is 10-20 percent larger than in the nonactive spirals ofthis sample. The fraction of 60-micron emission attributable to the warmcomponent can be used as an indicator for the star-formation activity ingalaxies.

The optical luminosity function of a 60-micron flux-limited sample of IRAS galaxies
A determination is made of the optical luminosity function (OPLF) of aninfrared flux-limited sample of IRAS galaxies. The sample includes 92objects; among these are an infrared-loud quasar and two previouslyknown Seyferts. The OPLF of the IRAS galaxies in the sample shows thatin the magnitude range between -22 and 18, IRAS galaxies represent about15 percent of field galaxies. At low luminosities, Mj greater than -19mag, there may be a deficiency of IRAS galaxies relative to the fieldgalaxies. The far-IR luminosity function of the sample is also derived;it agrees well with other determinations.

Galactic structure around longitude L = 317 deg determined from CIGALE observations
The spiral structure of the Galaxy is analyzed using the Cigaleinstrument, which consists of a scanning Perot-Fabry interferometer anda two-dimensional photon counting system. The instrument was utilized todetect galactic H-alpha emission for the H II region G 317.0 + 0.3 andforeground nebula emission. A correlation between the Cigale observationand spiral tracers between longitude (l) 312-324 deg is detected. Theradial velocity for G 317.0 + 0.3 is calculated as -51 km/sec and forthe foreground emission at l equals 317 deg as -4 km/sec. It isconcluded that the diffuse H-alpha emission at l equals 317 deg is partof an inhomogeneous, diffuse H II region lying at 1 kpc in the nearestpart of Sagittarius-Carina arm; the radio source G 317.0 + 0.3 is an HII region that is part of a large complex with radial velocities of -50km/sec and is located in the Scutum-Crux arm at 4 kpc; and the G 316.8 -0.0 is located in the same arm and has radial velocities of about -40km/sec.

A catalog of Markarian galaxies
A catalog of Markarian galaxies is presented which tabulates redshifts,spectral and morphological classifications, magnitudes, infrared andradio flux densities, and over 600 references to available datapublished before January 1, 1986. Redshifts are now available for 1228objects with strong ultraviolet continua, and follow-up spectroscopicand photometric observations of Markarian galaxies have providedclassifications of 115 Seyfert 1, 43 Seyfert 2, and 137 starburst and HII-type galaxies. After a description of the Markarian survey and thecurrent catalog, a summary of the general results obtained from the datais presented. A preliminary study of the infrared properties ofMarkarian galaxies as measured by IRAS reveals a number of interestingresults, including the existence of a sample of elliptical andlenticular galaxies with appreciable infrared emission.

A survey of galaxy redshifts. IV - The data
The complete list of the best available radial velocities for the 2401galaxies in the merged Zwicky-Nilson catalog brighter than 14.5mz and with b (II) above +40 deg or below -30 deg ispresented. Almost 60 percent of the redshifts are from the CfA surveyand are accurate to typically 35 km/s.

Star-burst galactic nuclei
Markarian (1967) has conducted a survey of galaxies having strongultraviolet continua. In connection with this survey, a new group ofgalaxies was discovered which could provide additional insight into thenature and evolution of active galactic nuclei. The optical morphologyof the discovered galaxies is similar to that shown by Seyfert galaxies,with dominant feature often being a bright, starlike nucleus. However,these nuclei do not usually display the broad emission-line spectra socharacteristic of the Seyferts. Their narrow emission features and otherobservable properties can be explained by the presence of a hot, youngstar population. For this reason, these objects have become known asstar-burst nuclei. The nuclear star-burst phenomenon might supplymaterial for gravitational accretion, and, therefore, for thedevelopment of active galaxies. Balzano and Weedman (1981) have studiedthese nuclei as a distinct group. The present investigation representsthe first comprehensive survey.

Filling the void in Bootes
The possible existence of a 1,000,000 cu Mpc volume, empty of galaxies,suggested by Kirshner, Oemler, Schechter, and Shectman (1981), is notconfirmed with the existing sample of Markarian galaxies. Of 113Markarian galaxies with redshifts in the region of sky surveyed byKirshner et al., 12 have redshifts that place them in the void. TheMarkarian galaxy sample also shows the redshift distribution that wouldbe expected for a homogeneous space density out to a redshift of 25,000km/s.

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NGC 2000.0NGC 5607
HYPERLEDA-IPGC 51182

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