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Help Detailed Information for a Named Object

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Cosmological Parameters

Results for object ARP 318 (Arp 318)

  • Overview
  • Cross-IDs (4)
  • Coordinates (3)
  • Redshifts (3)
  • Classifications (2)
  • Galaxy Extinctions
  • Notes (3)
  • Photometry & SED (2)
  • Images (14)
  • References (97)
  • External Links
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IRSA FinderChart ImagePOSS-II F (North), AAO-SES/SERC-ER (South), Red image
Search images
Image Credit: Caltech or AAO/ROE

Selected data and derived quantities for ARP 318†.  More information in the tabs above.
Cross-identificationsEssential note
ARP 318; HCG 016; RSCG 19; EXSS 0207.1-1022;
Coordinates for Preferred Position
Equatorial (J2000)Galactic
RA, DecRA, Dec [Deg]Unc Semi-major,minor ["]Unc PA [deg]ReferenceLon, Lat [deg]
02h09m31.3s, -10d09m31s32.380516, -10.1585081.50E+01, 1.50E+01 01996AJ....112..871B173.961740, -64.972321
Preferred Redshift & Derived Quantities [H0 = km/sec/Mpc], Ωmatter = , Ωvacuum = ]Redshift-independent Distances
z (Helio)V (Helio) [km/s]ReferenceV (CMB) [km/s]Hubble Distance (CMB) [Mpc]# Measurements
0.01320 +/- N/A3957.261000 +/- N/A1992ApJ...399..353H 3706 +/- 18 50.77 +/- 3.56
Classifications
Object TypeMorphologyReferenceActivity TypeReferenceOther
GGroupinteracting quartet1966ApJS...14....1A 6.4
Quick-look Angular & Physical DiametersForeground Galactic Extinction (2011ApJ...737..103S)
PassbandDiameter ["]ReferenceDiameter [kpc]Aλ [mag] VAλ [mag] K
0.0700.008
Quick-look Photometry & Luminosities (brightest flux in each spectral region)
Spectral regionBandApparent mag or fluxReferenceAbsolute Mag or νLν [W]νLν [L☉(bol)]
X-Ray
UV
Visible
Near-IR
Far-IR
Radio 2695 MHz (NRAO) 0.109 +/- 0.020 Jy 1976ApJS...32..171S 9.26E+31 +/- 2.51E+31 [W] 2.41E+05 +/- 6.53E+04
 †Derived quantities are based on the median redshift-independent distance when available, otherwise the preferred redshift is used with the selected cosmological parameters (which can be changed in search options).
 Cosmological params can be changed in search options.
Cross-identifications for ARP 318
Coordinates for ARP 318
Preferred Position:  02h09m31.3s -10d09m31s Equatorial J2000.0  (1996AJ....112..871B)
Preferred Position of ARP 318
Reference FrameLongitudeLatitudeLongitudeLatitudeUncertainty Ellipse (arcsec)
Decimal DegreesDecimal DegreesSexagesimalSexagesimalSemimajor (a)Semiminor (b)PA (deg)
RA/Dec Equatorial (J2000.0)32.380516-10.15850802h09m31.3s-10d09m31s1.50E+011.50E+01 0
RA/Dec Equatorial (B1950.0)31.766667-10.39444402h07m04.0s-10d23m40s1.50E+011.50E+01 0
Galactic173.961740-64.9723211.50E+011.50E+01 0
Supergalactic291.264022-20.5117791.50E+011.50E+01 0
Ecliptic (J2000.0)26.446548-21.8084081.50E+011.50E+01 0
Ecliptic (B1950.0)25.745771-21.8117891.50E+011.50E+01 0
Measured Positions for ARP 318
Redshifts and Derived Quantities for ARP 318
Preferred Redshift: Z = 0.01320, H0 = km/sec/Mpc, Ωmatter = , Ωvacuum =
Quantities Derived from Preferred Redshift for ARP 318 
Calculated and Corrected Velocities
TypeVelocitiesReference
V (Heliocentric) 3957 ± N/A km/s1992ApJ...399..353H
V (Kinematic LSR) 3946 ± N/A km/s1986MNRAS.221.1023K
V (Galactocentric GSR) 3958 ± 0 km/s1991RC3.9.C...0000d
V (Local Group) 3998 ± 2 km/s1996AJ....111..794K
V (3K CMB) 3706 ± 18 km/s1996ApJ...473..576F
V (Virgo Infall only) 3855 ± 10 km/s2000ApJ...529..786M
V (Virgo + GA only) 3837 ± 10 km/s2000ApJ...529..786M
V (Virgo + GA + Shapley) 3832 ± 10 km/s2000ApJ...529..786M
Hubble Flow Distance and Distance Modulus (where H0 = km/sec/Mpc ± km/sec/Mpc)
TypeDistanceModulus
D (Galactocentric GSR) 54.21 ± 3.79 Mpc(m-M) = 33.67 ± 0.15 mag
D (Local Group) 54.77 ± 3.83 Mpc(m-M) = 33.69 ± 0.15 mag
D (3K CMB) 50.77 ± 3.56 Mpc(m-M) = 33.53 ± 0.15 mag
D (Virgo Infall only) 52.81 ± 3.70 Mpc(m-M) = 33.61 ± 0.15 mag
D (Virgo + GA only) 52.56 ± 3.68 Mpc(m-M) = 33.60 ± 0.15 mag
D (Virgo + GA + Shapley) 52.49 ± 3.67 Mpc(m-M) = 33.60 ± 0.15 mag
Scale at Hubble Flow Distances
TypeValues
Scale (Galactocentric GSR) 263 pc/arcsec = 0.263 kpc/arcsec = 15.77 kpc/arcmin = 0.95 Mpc/degree
Scale (Local Group) 266 pc/arcsec = 0.266 kpc/arcsec = 15.93 kpc/arcmin = 0.96 Mpc/degree
Scale (3K CMB) 246 pc/arcsec = 0.246 kpc/arcsec = 14.77 kpc/arcmin = 0.89 Mpc/degree
Scale (Virgo Infall only) 256 pc/arcsec = 0.256 kpc/arcsec = 15.36 kpc/arcmin = 0.92 Mpc/degree
Scale (Virgo + GA only) 255 pc/arcsec = 0.255 kpc/arcsec = 15.29 kpc/arcmin = 0.92 Mpc/degree
Scale (Virgo + GA + Shapley) 254 pc/arcsec = 0.254 kpc/arcsec = 15.27 kpc/arcmin = 0.92 Mpc/degree
Cosmology-Corrected Quantities [H0 = km/sec/Mpc, Ωmatter = , Ωvacuum = ]
[Redshift 0.012362 as corrected to the ]
TypeValues
Luminosity Distance51.3 Mpc (m-M) = 33.55 mag
Angular-Size Distance50 (m-M) = 33.50 mag
Co-Moving Radial Distance50.6 (m-M) = 33.52 mag
Co-Moving Tangential Distance50.6 (m-M) = 33.52 mag
Co-Moving Volume0.000544 Gpc^3
Light Travel-Time 0.164 Gyr
Age at Redshift 0.012362 13.135 Gyr
Age of Universe 13.299 Gyr
Scale (Cosmology Corrected) 243 pc/arcsec = 0.243 kpc/arcsec = 14.55 kpc/arcmin = 0.87 Mpc/degree
Surface Brightness DimmingFlux Density per Unit Area = 0.95204; Magnitude per Unit Area = 0.05336 mag
Measured Redshifts of ARP 318
Classifications for ARP 318
Galaxy Extinctions for ARP 318
Notes for ARP 318
Photometry & SED for ARP 318
Quick-look Photometry & SED plot for ARP 318
Quick Look Photometry & Luminosities (brightest flux in each spectral region)
SED Plot
Photometry for ARP 318
See also Spectra.

Images for object ARP 318 (Arp 318)

IRSA FinderChart ImagePOSS-II F (North), AAO-SES/SERC-ER (South), Red image
View in IRSA Finderchart

Image Credit: Caltech or AAO/ROE

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Clambda Spectral Region Band FOV 1
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Preview File Size
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Information Lambda
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Clambda Spectral Region Band FOV 1
arcmin
FOV 2
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arcsec
Telescope Refcode
Literature References for ARP 318
External Resource Links for ARP 318
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