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Home » Search Objects » By Name

Help Detailed Information for a Named Object

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Cosmological Parameters

Results for object ARP 317 (Leo TRIPLET)

  • Overview
  • Cross-IDs (10)
  • Coordinates (2)
  • Redshifts (2)
  • Distances (0)
  • Classifications (1)
  • Galactic Extinctions
  • Notes (0)
  • Diameters (0)
  • Photometry & SED (0)
  • Spectra (0)
  • Images (5)
  • References (33)
  • External Links
  • Survey Coverage
IRSA
FinderChart
ImagePOSS-II F (North), AAO-SES/SERC-ER (South), Red image
View in IRSA Finderchart
Image Credit: Caltech or AAO/ROE

Selected data and derived quantities for ARP 317†.  More information in the tabs above.
Cross-identificationsEssential note
ARP 317; Leo I GROUP NED02; Leo TRIPLET; LGG 231; USGC U374 Contains the GPair VV 308.
Coordinates for Preferred Position
Equatorial (J2000)Galactic
RA, DecRA, Dec [Deg]Unc Semi-major,minor ["]Unc PA [deg]ReferenceLon, Lat [deg]
11h19m41s, +13d11.7m169.922127, 13.1953661.50E+02, 1.50E+02 01993A&AS..100...47G241.393163, 64.431043
Preferred Redshift & Derived Quantities [H0 = 67.8 km/sec/Mpc], Ωmatter = 0.308, Ωvacuum = 0.698]Redshift-independent Distances
z (Helio)V (Helio) [km/s]ReferenceV (CMB) [km/s]Hubble Distance (CMB) [Mpc]# Measurements
0.00267 +/- N/A799.846390 +/- N/A1997AJ....113..483R 1148 +/- 24 16.93 +/- 1.24
Classifications
Object TypeMorphologyReferenceActivity TypeReferenceOther
GGroupinteracting triple1966ApJS...14....1A
Quick-look Angular & Physical DiametersForeground Galactic Extinction (2011ApJ...737..103S)
PassbandDiameter ["]ReferenceDiameter [kpc]Aλ [mag] VAλ [mag] K
0.0760.008
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
 †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 317
Coordinates for ARP 317
Preferred Position:  11h19m41s +13d11.7m Equatorial J2000.0  (1993A&AS..100...47G)
Preferred Position of ARP 317
Reference FrameLongitudeLatitudeLongitudeLatitudeUncertainty Ellipse (arcsec)
Decimal DegreesDecimal DegreesSexagesimalSexagesimalSemimajor (a)Semiminor (b)PA (deg)
RA/Dec Equatorial (J2000.0)169.92212713.19536611h19m41s+13d11.7m1.50E+021.50E+02 0
RA/Dec Equatorial (B1950.0)169.26958313.46916711h17m04s+13d28.1m1.50E+021.50E+02 0
Galactic241.39316364.4310431.50E+021.50E+02 0
Supergalactic96.330582-18.4748951.50E+021.50E+02 0
Ecliptic (J2000.0)165.5445458.1443621.50E+021.50E+02 0
Ecliptic (B1950.0)164.8451288.1432241.50E+021.50E+02 0
Measured Positions for ARP 317
Redshifts and Derived Quantities for ARP 317
Preferred Redshift: Z = 0.00267, H0 = 67.8 km/sec/Mpc, Ωmatter = 0.308, Ωvacuum = 0.698
Quantities Derived from Preferred Redshift for ARP 317 
Calculated and Corrected Velocities
TypeVelocitiesReference   
V (Heliocentric) 800 ± N/A km/s1997AJ....113..483R
V (Kinematic LSR) 799 ± N/A km/s1986MNRAS.221.1023K
V (Galactocentric GSR) 716 ± 3 km/s1991RC3.9.C...0000d
V (Local Group) 664 ± 8 km/s1996AJ....111..794K
V (3K CMB) 1148 ± 24 km/s1996ApJ...473..576F
V (Virgo Infall only) 523 ± 13 km/s2000ApJ...529..786M
V (Virgo + GA only) 558 ± 13 km/s2000ApJ...529..786M
V (Virgo + GA + Shapley) 559 ± 13 km/s2000ApJ...529..786M
Hubble Flow Distance and Distance Modulus (where H0 = 67.8 km/sec/Mpc ± km/sec/Mpc)
TypeDistanceModulus
D (Galactocentric GSR) 10.56 ± 0.74 Mpc(m-M) = 30.12 ± 0.15 mag
D (Local Group) 9.79 ± 0.70 Mpc(m-M) = 29.95 ± 0.15 mag
D (3K CMB) 16.93 ± 1.24 Mpc(m-M) = 31.14 ± 0.15 mag
D (Virgo Infall only) 7.71 ± 0.56 Mpc(m-M) = 29.44 ± 0.15 mag
D (Virgo + GA only) 8.23 ± 0.58 Mpc(m-M) = 29.58 ± 0.15 mag
D (Virgo + GA + Shapley) 8.25 ± 0.58 Mpc(m-M) = 29.58 ± 0.15 mag
Scale at Hubble Flow Distances
TypeValues
Scale (Galactocentric GSR) 51 pc/arcsec = 0.051 kpc/arcsec = 3.07 kpc/arcmin = 0.18 Mpc/degree
Scale (Local Group) 47 pc/arcsec = 0.047 kpc/arcsec = 2.85 kpc/arcmin = 0.17 Mpc/degree
Scale (3K CMB) 82 pc/arcsec = 0.082 kpc/arcsec = 4.92 kpc/arcmin = 0.30 Mpc/degree
Scale (Virgo Infall only) 37 pc/arcsec = 0.037 kpc/arcsec = 2.24 kpc/arcmin = 0.13 Mpc/degree
Scale (Virgo + GA only) 40 pc/arcsec = 0.040 kpc/arcsec = 2.39 kpc/arcmin = 0.14 Mpc/degree
Scale (Virgo + GA + Shapley) 40 pc/arcsec = 0.040 kpc/arcsec = 2.40 kpc/arcmin = 0.14 Mpc/degree
Cosmology-Corrected Quantities [H0 = 67.8 km/sec/Mpc, Ωmatter = 0.308, Ωvacuum = 0.698]
[Redshift 0.003829 as corrected to the Reference Frame defined by the 3K CMB]
TypeValues
Luminosity Distance17 Mpc (m-M) = 31.15 mag
Angular-Size Distance16.9 (m-M) = 31.13 mag
Co-Moving Radial Distance16.9 (m-M) = 31.14 mag
Co-Moving Tangential Distance16.9 (m-M) = 31.14 mag
Co-Moving Volume2.03e-05 Gpc^3
Light Travel-Time 0.055 Gyr
Age at Redshift 0.003829 13.775 Gyr
Age of Universe 13.830 Gyr
Scale (Cosmology Corrected) 82 pc/arcsec = 0.082 kpc/arcsec = 4.90 kpc/arcmin = 0.29 Mpc/degree
Surface Brightness DimmingFlux Density per Unit Area = 0.98483; Magnitude per Unit Area = 0.0166 mag
Measured Redshifts of ARP 317
See also Distances.
Classifications for ARP 317
Galaxy Extinctions for ARP 317

Images for object ARP 317 (Leo TRIPLET)

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

Image Credit: Caltech or AAO/ROE

Preview File Size
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Preview File Size
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Information Lambda
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Clambda Spectral Region Band FOV 1
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FOV 2
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Res.
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Telescope Refcode  
Literature References for ARP 317
External Resource Links for ARP 317
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