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Position Reference:2010ApJS..189...37E

Reference    Frame     Longitude    Latitude        RA           DEC      Uncertainty Ellipse (arcsec)
                       (degrees)   (degrees)                              Semimajor Semiminor  PA(deg)
Equatorial (B1950.0)   68.397372  -12.780382 04h33m35.369s -12d46m49.38s  4.70E-01  4.70E-01    0
Equatorial (J2000.0)   68.979389  -12.679173 04h35m55.053s -12d40m45.02s  4.70E-01  4.70E-01    0
Ecliptic   (B1950.0)   64.233925  -34.313401                              4.70E-01  4.70E-01    0
Ecliptic   (J2000.0)   64.933971  -34.307261                              4.70E-01  4.70E-01    0
Galactic              209.212964  -35.740521                              4.70E-01  4.70E-01    0
SuperGalactic         297.034950  -56.187927                              4.70E-01  4.70E-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]
0.293
0.245
0.185
0.147
0.102
0.286
0.223
0.154
0.115
0.085
0.048
0.030
0.020
0.010

  

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


Bandpass [µm]
Aλ [mag]
Landolt
U
(0.35)
 0.293
Landolt
B
(0.43)
 0.245
Landolt
V
(0.54)
 0.185
Landolt
R
(0.64)
 0.147
Landolt
I
(0.80)
 0.102
CTIO
U
(0.37)
 0.277
CTIO
B
(0.43)
 0.246
CTIO
V
(0.55)
 0.181
CTIO
R
(0.65)
 0.143
CTIO
I
(0.80)
 0.102
UKIRT
J
(1.25)
 0.048
UKIRT
H
(1.66)
 0.030
UKIRT
K
(2.19)
 0.020
UKIRT
L'
(3.78)
 0.010
Gunn
g
(0.52)
 0.197
Gunn
r
(0.66)
 0.139
Gunn
i
(0.79)
 0.105
Gunn
z
(0.91)
 0.083
Spinrad
R_S
(0.69)
 0.130
Stromgren
u
(0.35)
 0.291
Stromgren
b
(0.47)
 0.226
Stromgren
v
(0.41)
 0.256
Stromgren
beta
(0.49)
 0.215
Stromgren
y
(0.55)
 0.181
SDSS
u
(0.36)
 0.286
SDSS
g
(0.47)
 0.223
SDSS
r
(0.62)
 0.154
SDSS
i
(0.75)
 0.115
SDSS
z
(0.89)
 0.085
DSS-II
g
(0.46)
 0.228
DSS-II
r
(0.65)
 0.141
DSS-II
i
(0.81)
 0.100
PS1
g
(0.49)
 0.214
PS1
r
(0.62)
 0.153
PS1
i
(0.75)
 0.114
PS1
z
(0.87)
 0.089
PS1
y
(0.97)
 0.073
PS1
w
(0.62)
 0.158
LSST
u
(0.37)
 0.280
LSST
g
(0.48)
 0.219
LSST
r
(0.62)
 0.154
LSST
i
(0.75)
 0.114
LSST
z
(0.87)
 0.089
LSST
y
(0.97)
 0.074
WFPC2
F300W
(0.31)
 0.331
WFPC2
F450W
(0.46)
 0.230
WFPC2
F555W
(0.54)
 0.186
WFPC2
F606W
(0.60)
 0.163
WFPC2
F702W
(0.69)
 0.132
WFPC2
F814W
(0.79)
 0.105
WFC3
F105W
(1.04)
 0.065
WFC3
F110W
(1.12)
 0.060
WFC3
F125W
(1.23)
 0.049
WFC3
F140W
(1.37)
 0.041
WFC3
F160W
(1.53)
 0.035
WFC3
F200LP
(0.55)
 0.200
WFC3
F218W
(0.22)
 0.524
WFC3
F225W
(0.24)
 0.472
WFC3
F275W
(0.27)
 0.371
WFC3
F300X
(0.29)
 0.353
WFC3
F336W
(0.34)
 0.301
WFC3
F350LP
(0.59)
 0.177
WFC3
F390W
(0.40)
 0.263
WFC3
F438W
(0.43)
 0.245
WFC3
F475W
(0.48)
 0.219
WFC3
F475X
(0.50)
 0.211
WFC3
F555W
(0.53)
 0.193
WFC3
F600LP
(0.74)
 0.120
WFC3
F606W
(0.59)
 0.168
WFC3
F625W
(0.62)
 0.153
WFC3
F775W
(0.76)
 0.111
WFC3
F814W
(0.80)
 0.104
WFC3
F850LP
(0.91)
 0.082
ACS
clear
(0.62)
 0.165
ACS
F435W
(0.43)
 0.244
ACS
F475W
(0.48)
 0.221
ACS
F550M
(0.56)
 0.177
ACS
F555W
(0.54)
 0.189
ACS
F606W
(0.59)
 0.167
ACS
F625W
(0.63)
 0.150
ACS
F775W
(0.77)
 0.110
ACS
F814W
(0.80)
 0.103
ACS
F850LP
(0.90)
 0.084
DES
g
(0.48)
 0.219
DES
r
(0.64)
 0.147
DES
i
(0.78)
 0.108
DES
z
(0.91)
 0.082
DES
Y
(0.99)
 0.071


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]
0.370
0.293
0.225
0.182
0.132
0.351
0.258
0.187
0.142
0.101
0.061
0.039
0.025
0.010


Galactic Extinction based on H I Column Densities and Galaxy Counts 
(Burstein & Heiles; 1982AJ.....87.1165B) assuming Rv = 3.1:
AB = 0.060 mag 

See Notes on Galactic Extinction for important caveats.

Helio. Radial Velocity     :    434249 +/-        0 km/s UUN  
Redshift                   :  1.448500 +/- 0.000000  UUN   2015A&A...584A..48H

Description                     : Swift               
Log Flux Density (ergs/s/cm^2^) :      
Passband                        :      
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:
3 Redshift data point(s)      30 photometric data point(s)      1 Diameter data point(s)      

Calculated and Corrected Velocities
V (Heliocentric)           :  434249 +/-      0 km/s UUN  2015A&A...584A..48H
V (Kinematic LSR)          :  434232 +/-      0 km/s UUN  1986MNRAS.221.1023K
V (Galactocentric GSR)     :  434147 +/-      4 km/s UUN  1991RC3.9.C...0000d
V (Local Group)            :  434149 +/-      6 km/s UUN  1996AJ....111..794K
V (3K CMB)                 :  434203 +/-      3 km/s UUN  1996ApJ...473..576F
V (Virgo Infall only)      :  434049 +/-      9 km/s UUN  2000ApJ...529..786M
V (Virgo + GA only)        :  433928 +/-     13 km/s UUN  2000ApJ...529..786M
V (Virgo + GA + Shapley)   :  433891 +/-     13 km/s UUN  2000ApJ...529..786M

Hubble Flow Distance and Distance Modulus (where Ho =   73.0 +/-   5 km/sec/Mpc)
D (Galactocentric GSR)     :  5947.2 +/-  416.3 Mpc      (m-M) = 43.87 +/- 0.15 mag
D (Local Group)            :  5947.3 +/-  416.3 Mpc      (m-M) = 43.87 +/- 0.15 mag
D (3K CMB)                 :  5948.0 +/-  416.4 Mpc      (m-M) = 43.87 +/- 0.15 mag
D (Virgo Infall only)      :  5945.9 +/-  416.2 Mpc      (m-M) = 43.87 +/- 0.15 mag
D (Virgo + GA only)        :  5944.2 +/-  416.1 Mpc      (m-M) = 43.87 +/- 0.15 mag
D (Virgo + GA + Shapley)   :  5943.7 +/-  416.1 Mpc      (m-M) = 43.87 +/- 0.15 mag

Scale at Hubble Flow Distances
Scale (Galactocentric GSR) :   28833 pc/arcsec = 28.833 kpc/arcsec = 1729.98 kpc/arcmin = 103.80 Mpc/degree
Scale (Local Group)        :   28833 pc/arcsec = 28.833 kpc/arcsec = 1729.98 kpc/arcmin = 103.80 Mpc/degree
Scale (3K CMB)             :   28837 pc/arcsec = 28.837 kpc/arcsec = 1730.20 kpc/arcmin = 103.81 Mpc/degree
Scale (Virgo Infall only)  :   28826 pc/arcsec = 28.826 kpc/arcsec = 1729.58 kpc/arcmin = 103.77 Mpc/degree
Scale (Virgo + GA only)    :   28818 pc/arcsec = 28.818 kpc/arcsec = 1729.10 kpc/arcmin = 103.75 Mpc/degree
Scale(Virgo + GA + Shapley):   28816 pc/arcsec = 28.816 kpc/arcsec = 1728.95 kpc/arcmin = 103.74 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 =  0.058 arcmin  
and Selected Redshift, defined by the Velocity Range:
from  to km/sec where V(Heliocentric) = 434249 km/sec  






Cosmology-Corrected Quantities [Ho =  73.00 km/sec/Mpc, Ωmatter =   0.27, Ωvacuum =   0.73]
[Redshift 1.448345 as corrected to the Reference Frame defined by the 3K Microwave Background Radiation]
Luminosity Distance        :    10251 Mpc      (m-M) = 45.05 mag
Angular-Size Distance      :     1710 Mpc      (m-M) = 41.17 mag
Co-Moving Radial Distance  :     4187 Mpc      (m-M) = 43.11 mag
Co-Moving Tangential Dist. :     4187 Mpc      (m-M) = 43.11 mag
Co-Moving Volume           : 307 Gpc^3
Light Travel-Time          :    8.938 Gyr
Age at Redshift 1.448345   :    4.361 Gyr
Age of Universe            :   13.299 Gyr
Scale (Cosmology Corrected):    8291 pc/arcsec =  8.291 kpc/arcsec = 497.43 kpc/arcmin =  29.85 Mpc/degree
Surface Brightness Dimming : Flux Density per Unit Area =  0.02783; Magnitude per Unit Area = 3.889 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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