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Position Reference:2007ApJ...665..599T

Reference    Frame     Longitude    Latitude        RA           DEC      Uncertainty Ellipse (arcsec)
                       (degrees)   (degrees)                              Semimajor Semiminor  PA(deg)
Equatorial (B1950.0)    0.276635  -53.252609 00h01m06.392s -53d15m09.39s  6.00E-01  6.00E-01    0
Equatorial (J2000.0)    0.913458  -52.974139 00h03m39.230s -52d58m26.90s  6.00E-01  6.00E-01    0
Ecliptic   (B1950.0)  332.145574  -47.414993                              6.00E-01  6.00E-01    0
Ecliptic   (J2000.0)  332.850741  -47.417443                              6.00E-01  6.00E-01    0
Galactic              318.683786  -62.668223                              6.00E-01  6.00E-01    0
SuperGalactic         242.562418   -5.009960                              6.00E-01  6.00E-01    0

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Galactic Extinction from the Schlafly & Finkbeiner 2011, Appendix; 2011ApJ...737..103S (SF11) recalibration 
of the Schlegel, Finkbeiner & Davis 1998, Appendix B; 1998ApJ...500..525S (SFD98) infrared-based dust map. 
The map is based on dust emission from COBE/DIRBE and IRAS/ISSA; 
the recalibration assumes a Fitzpatrick (1999PASP..111...63F) reddening law with Rv = 3.1 and different source spectrum than SFD98.



    
 
L  a  n  d  o  l  t
S  D  S  S
U  K  I  R  T
Filter [µm]
U (0.35)
B (0.43)
V (0.54)
R (0.64)
I (0.80)
u (0.36)
g (0.47)
r (0.62)
i (0.75)
z (0.89)
J (1.25)
H (1.66)
K (2.19)
L' (3.78)
Aλ [mag]
0.062
0.052
0.039
0.031
0.022
0.061
0.047
0.033
0.024
0.018
0.010
0.006
0.004
0.002

  

Show/Hide Aλ magnitudes in all 88 photometric bands based on SF11
 


Bandpass [µm]
Aλ [mag]
Landolt
U
(0.35)
 0.062
Landolt
B
(0.43)
 0.052
Landolt
V
(0.54)
 0.039
Landolt
R
(0.64)
 0.031
Landolt
I
(0.80)
 0.022
CTIO
U
(0.37)
 0.059
CTIO
B
(0.43)
 0.052
CTIO
V
(0.55)
 0.038
CTIO
R
(0.65)
 0.030
CTIO
I
(0.80)
 0.022
UKIRT
J
(1.25)
 0.010
UKIRT
H
(1.66)
 0.006
UKIRT
K
(2.19)
 0.004
UKIRT
L'
(3.78)
 0.002
Gunn
g
(0.52)
 0.042
Gunn
r
(0.66)
 0.029
Gunn
i
(0.79)
 0.022
Gunn
z
(0.91)
 0.018
Spinrad
R_S
(0.69)
 0.028
Stromgren
u
(0.35)
 0.062
Stromgren
b
(0.47)
 0.048
Stromgren
v
(0.41)
 0.054
Stromgren
beta
(0.49)
 0.046
Stromgren
y
(0.55)
 0.039
SDSS
u
(0.36)
 0.061
SDSS
g
(0.47)
 0.047
SDSS
r
(0.62)
 0.033
SDSS
i
(0.75)
 0.024
SDSS
z
(0.89)
 0.018
DSS-II
g
(0.46)
 0.049
DSS-II
r
(0.65)
 0.030
DSS-II
i
(0.81)
 0.021
PS1
g
(0.49)
 0.046
PS1
r
(0.62)
 0.033
PS1
i
(0.75)
 0.024
PS1
z
(0.87)
 0.019
PS1
y
(0.97)
 0.016
PS1
w
(0.62)
 0.034
LSST
u
(0.37)
 0.059
LSST
g
(0.48)
 0.046
LSST
r
(0.62)
 0.033
LSST
i
(0.75)
 0.024
LSST
z
(0.87)
 0.019
LSST
y
(0.97)
 0.016
WFPC2
F300W
(0.31)
 0.070
WFPC2
F450W
(0.46)
 0.049
WFPC2
F555W
(0.54)
 0.040
WFPC2
F606W
(0.60)
 0.035
WFPC2
F702W
(0.69)
 0.028
WFPC2
F814W
(0.79)
 0.022
WFC3
F105W
(1.04)
 0.014
WFC3
F110W
(1.12)
 0.013
WFC3
F125W
(1.23)
 0.010
WFC3
F140W
(1.37)
 0.009
WFC3
F160W
(1.53)
 0.007
WFC3
F200LP
(0.55)
 0.042
WFC3
F218W
(0.22)
 0.111
WFC3
F225W
(0.24)
 0.100
WFC3
F275W
(0.27)
 0.079
WFC3
F300X
(0.29)
 0.075
WFC3
F336W
(0.34)
 0.064
WFC3
F350LP
(0.59)
 0.038
WFC3
F390W
(0.40)
 0.056
WFC3
F438W
(0.43)
 0.052
WFC3
F475W
(0.48)
 0.047
WFC3
F475X
(0.50)
 0.045
WFC3
F555W
(0.53)
 0.041
WFC3
F600LP
(0.74)
 0.026
WFC3
F606W
(0.59)
 0.036
WFC3
F625W
(0.62)
 0.032
WFC3
F775W
(0.76)
 0.024
WFC3
F814W
(0.80)
 0.022
WFC3
F850LP
(0.91)
 0.017
ACS
clear
(0.62)
 0.035
ACS
F435W
(0.43)
 0.052
ACS
F475W
(0.48)
 0.047
ACS
F550M
(0.56)
 0.038
ACS
F555W
(0.54)
 0.040
ACS
F606W
(0.59)
 0.035
ACS
F625W
(0.63)
 0.032
ACS
F775W
(0.77)
 0.023
ACS
F814W
(0.80)
 0.022
ACS
F850LP
(0.90)
 0.018
DES
g
(0.48)
 0.046
DES
r
(0.64)
 0.031
DES
i
(0.78)
 0.023
DES
z
(0.91)
 0.017
DES
Y
(0.99)
 0.015


For completeness, we include the original SFD98 values:


    
 
L  a  n  d  o  l  t
S  D  S  S
U  K  I  R  T
Filter [µm]
U (0.34)
B (0.44)
V (0.54)
R (0.65)
I (0.81)
u (0.35)
g (0.49)
r (0.63)
i (0.78)
z (0.93)
J (1.27)
H (1.67)
K (2.22)
L' (3.81)
Aλ [mag]
0.078
0.062
0.048
0.038
0.028
0.074
0.054
0.039
0.030
0.021
0.013
0.008
0.005
0.002

See Notes on Galactic Extinction for important caveats.

Helio. Radial Velocity     :    705112 +/-      300 km/s UUN  
Redshift                   :  2.352000 +/- 0.001000  UUN   2007ApJ...665..599T
Description                :                     
Magnitude and Filter       :      
Spare 3                    :      
Spare 4                    :      

NOTE: This information is indicative only. With the exception of the
      redshift they are unreferenced and highly inhomogeneous as to
      their origin. The Radial Velocity (when available) is computed
      from the listed redshift. The remaining values are designed to
      orient the user with a quick-look, overall assessment of the
      general properties of the object in question. They are not
      averages nor are they standardized in any way.

Additional detailed measurements with references are also available by clicking below:
4 Redshift data point(s)      2 photometric data point(s)      

Calculated and Corrected Velocities
V (Heliocentric)           :  705112 +/-    300 km/s UUN  2007ApJ...665..599T
V (Kinematic LSR)          :  705104 +/-    300 km/s UUN  1986MNRAS.221.1023K
V (Galactocentric GSR)     :  705039 +/-    300 km/s UUN  1991RC3.9.C...0000d
V (Local Group)            :  705030 +/-    300 km/s UUN  1996AJ....111..794K
V (3K CMB)                 :  704932 +/-    300 km/s UUN  1996ApJ...473..576F
V (Virgo Infall only)      :  704880 +/-    300 km/s UUN  2000ApJ...529..786M
V (Virgo + GA only)        :  704943 +/-    300 km/s UUN  2000ApJ...529..786M
V (Virgo + GA + Shapley)   :  704939 +/-    300 km/s UUN  2000ApJ...529..786M

Hubble Flow Distance and Distance Modulus (where Ho =   73.0 +/-   5 km/sec/Mpc)
D (Galactocentric GSR)     :  9658.1 +/-  676.1 Mpc      (m-M) = 44.92 +/- 0.15 mag
D (Local Group)            :  9658.0 +/-  676.1 Mpc      (m-M) = 44.92 +/- 0.15 mag
D (3K CMB)                 :  9656.6 +/-  676.0 Mpc      (m-M) = 44.92 +/- 0.15 mag
D (Virgo Infall only)      :  9655.9 +/-  675.9 Mpc      (m-M) = 44.92 +/- 0.15 mag
D (Virgo + GA only)        :  9656.7 +/-  676.0 Mpc      (m-M) = 44.92 +/- 0.15 mag
D (Virgo + GA + Shapley)   :  9656.7 +/-  676.0 Mpc      (m-M) = 44.92 +/- 0.15 mag

Scale at Hubble Flow Distances
Scale (Galactocentric GSR) :   46824 pc/arcsec = 46.824 kpc/arcsec = 2809.41 kpc/arcmin = 168.56 Mpc/degree
Scale (Local Group)        :   46823 pc/arcsec = 46.823 kpc/arcsec = 2809.38 kpc/arcmin = 168.56 Mpc/degree
Scale (3K CMB)             :   46816 pc/arcsec = 46.816 kpc/arcsec = 2808.99 kpc/arcmin = 168.54 Mpc/degree
Scale (Virgo Infall only)  :   46813 pc/arcsec = 46.813 kpc/arcsec = 2808.78 kpc/arcmin = 168.53 Mpc/degree
Scale (Virgo + GA only)    :   46817 pc/arcsec = 46.817 kpc/arcsec = 2809.03 kpc/arcmin = 168.54 Mpc/degree
Scale(Virgo + GA + Shapley):   46817 pc/arcsec = 46.817 kpc/arcsec = 2809.02 kpc/arcmin = 168.54 Mpc/degree











To Search for Nearby Objects (Physical Companions):
Enter Your Preferred Values and click on "Submit Environment Search" button 

Search for Objects within +/-arcmin where 100 kpc =  0.036 arcmin  
and Selected Redshift, defined by the Velocity Range:
from  to km/sec where V(Heliocentric) = 705112 km/sec  






Cosmology-Corrected Quantities [Ho =  73.00 km/sec/Mpc, Ωmatter =   0.27, Ωvacuum =   0.73]
[Redshift 2.351399 as corrected to the Reference Frame defined by the 3K Microwave Background Radiation]
Luminosity Distance        :    18679 Mpc      (m-M) = 46.36 mag
Angular-Size Distance      :     1663 Mpc      (m-M) = 41.10 mag
Co-Moving Radial Distance  :     5574 Mpc      (m-M) = 43.73 mag
Co-Moving Tangential Dist. :     5574 Mpc      (m-M) = 43.73 mag
Co-Moving Volume           : 725 Gpc^3
Light Travel-Time          :   10.528 Gyr
Age at Redshift 2.351399   :    2.771 Gyr
Age of Universe            :   13.299 Gyr
Scale (Cosmology Corrected):    8063 pc/arcsec =  8.063 kpc/arcsec = 483.76 kpc/arcmin =  29.03 Mpc/degree
Surface Brightness Dimming : Flux Density per Unit Area =  0.00793; Magnitude per Unit Area = 5.252 mag







To change Cosmological Input Parameters for Derived Quantities:
Enter Your Preferred Values and click on "Submit Changed Hubble Parameters for this object" button 

HoΩmatterΩvacuum
    


Correct Redshift To the Reference Frame defined by:
 3K CMB
 Virgo Infall only
 (Virgo + GA) only
 Virgo + GA + Shapley


as Input for Calculation of the Distances and Cosmology-Corrected Quantities 

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