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Position Reference:2007SDSS6.C...0000:

Reference    Frame     Longitude    Latitude        RA           DEC      Uncertainty Ellipse (arcsec)
                       (degrees)   (degrees)                              Semimajor Semiminor  PA(deg)
Equatorial (B1950.0)  125.267457    6.369374 08h21m04.189s +06d22m09.75s  5.00E-01  5.00E-01    0
Equatorial (J2000.0)  125.932986    6.207315 08h23m43.917s +06d12m26.33s  5.00E-01  5.00E-01    0
Ecliptic   (B1950.0)  126.042716  -12.772049                              5.00E-01  5.00E-01    0
Ecliptic   (J2000.0)  126.740201  -12.767157                              5.00E-01  5.00E-01    0
Galactic              218.019532   23.331900                              5.00E-01  5.00E-01    0
SuperGalactic          73.176072  -58.972591                              5.00E-01  5.00E-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]
0.114
0.095
0.072
0.057
0.040
0.111
0.087
0.060
0.045
0.033
0.019
0.012
0.008
0.004

  

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


Bandpass [µm]
Aλ [mag]
Landolt
U
(0.35)
 0.114
Landolt
B
(0.43)
 0.095
Landolt
V
(0.54)
 0.072
Landolt
R
(0.64)
 0.057
Landolt
I
(0.80)
 0.040
CTIO
U
(0.37)
 0.108
CTIO
B
(0.43)
 0.096
CTIO
V
(0.55)
 0.070
CTIO
R
(0.65)
 0.056
CTIO
I
(0.80)
 0.040
UKIRT
J
(1.25)
 0.019
UKIRT
H
(1.66)
 0.012
UKIRT
K
(2.19)
 0.008
UKIRT
L'
(3.78)
 0.004
Gunn
g
(0.52)
 0.077
Gunn
r
(0.66)
 0.054
Gunn
i
(0.79)
 0.041
Gunn
z
(0.91)
 0.032
Spinrad
R_S
(0.69)
 0.050
Stromgren
u
(0.35)
 0.113
Stromgren
b
(0.47)
 0.088
Stromgren
v
(0.41)
 0.100
Stromgren
beta
(0.49)
 0.084
Stromgren
y
(0.55)
 0.071
SDSS
u
(0.36)
 0.111
SDSS
g
(0.47)
 0.087
SDSS
r
(0.62)
 0.060
SDSS
i
(0.75)
 0.045
SDSS
z
(0.89)
 0.033
DSS-II
g
(0.46)
 0.089
DSS-II
r
(0.65)
 0.055
DSS-II
i
(0.81)
 0.039
PS1
g
(0.49)
 0.083
PS1
r
(0.62)
 0.060
PS1
i
(0.75)
 0.044
PS1
z
(0.87)
 0.035
PS1
y
(0.97)
 0.029
PS1
w
(0.62)
 0.062
LSST
u
(0.37)
 0.109
LSST
g
(0.48)
 0.085
LSST
r
(0.62)
 0.060
LSST
i
(0.75)
 0.044
LSST
z
(0.87)
 0.035
LSST
y
(0.97)
 0.029
WFPC2
F300W
(0.31)
 0.129
WFPC2
F450W
(0.46)
 0.090
WFPC2
F555W
(0.54)
 0.072
WFPC2
F606W
(0.60)
 0.063
WFPC2
F702W
(0.69)
 0.051
WFPC2
F814W
(0.79)
 0.041
WFC3
F105W
(1.04)
 0.025
WFC3
F110W
(1.12)
 0.023
WFC3
F125W
(1.23)
 0.019
WFC3
F140W
(1.37)
 0.016
WFC3
F160W
(1.53)
 0.013
WFC3
F200LP
(0.55)
 0.078
WFC3
F218W
(0.22)
 0.204
WFC3
F225W
(0.24)
 0.184
WFC3
F275W
(0.27)
 0.144
WFC3
F300X
(0.29)
 0.137
WFC3
F336W
(0.34)
 0.117
WFC3
F350LP
(0.59)
 0.069
WFC3
F390W
(0.40)
 0.102
WFC3
F438W
(0.43)
 0.095
WFC3
F475W
(0.48)
 0.085
WFC3
F475X
(0.50)
 0.082
WFC3
F555W
(0.53)
 0.075
WFC3
F600LP
(0.74)
 0.047
WFC3
F606W
(0.59)
 0.065
WFC3
F625W
(0.62)
 0.059
WFC3
F775W
(0.76)
 0.043
WFC3
F814W
(0.80)
 0.040
WFC3
F850LP
(0.91)
 0.032
ACS
clear
(0.62)
 0.064
ACS
F435W
(0.43)
 0.095
ACS
F475W
(0.48)
 0.086
ACS
F550M
(0.56)
 0.069
ACS
F555W
(0.54)
 0.073
ACS
F606W
(0.59)
 0.065
ACS
F625W
(0.63)
 0.058
ACS
F775W
(0.77)
 0.043
ACS
F814W
(0.80)
 0.040
ACS
F850LP
(0.90)
 0.033
DES
g
(0.48)
 0.085
DES
r
(0.64)
 0.057
DES
i
(0.78)
 0.042
DES
z
(0.91)
 0.032
DES
Y
(0.99)
 0.028


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]
0.142
0.113
0.087
0.070
0.051
0.135
0.099
0.072
0.055
0.039
0.024
0.015
0.010
0.004


Galactic Extinction based on H I Column Densities and Galaxy Counts 
(Burstein & Heiles; 1982AJ.....87.1165B) assuming Rv = 3.1:
AB = 0.050 mag 

See Notes on Galactic Extinction for important caveats.

Helio. Radial Velocity     :    192797 +/-       47 km/s SLS  
Redshift                   :  0.643102 +/- 0.000156  SLS   2016SDSSD.C...0000:
Major Diameter (arcmin)    :  0.04
Minor Diameter (arcmin)    :  0.02
Magnitude and Filter       : 22.2g
Classifications            : Extended Src [SDSS] 

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:
1 Redshift data point(s)      27 photometric data point(s)      4 Diameter data point(s)      

Calculated and Corrected Velocities
V (Heliocentric)           :  192797 +/-     47 km/s SLS  2016SDSSD.C...0000:
V (Kinematic LSR)          :  192784 +/-     47 km/s SLS  1986MNRAS.221.1023K
V (Galactocentric GSR)     :  192662 +/-     47 km/s SLS  1991RC3.9.C...0000d
V (Local Group)            :  192622 +/-     48 km/s SLS  1996AJ....111..794K
V (3K CMB)                 :  193064 +/-     50 km/s SLS  1996ApJ...473..576F
V (Virgo Infall only)      :  192720 +/-     48 km/s SLS  2000ApJ...529..786M
V (Virgo + GA only)        :  192773 +/-     49 km/s SLS  2000ApJ...529..786M
V (Virgo + GA + Shapley)   :  192791 +/-     49 km/s SLS  2000ApJ...529..786M

Hubble Flow Distance and Distance Modulus (where Ho =   73.0 +/-   5 km/sec/Mpc)
D (Galactocentric GSR)     :  2639.2 +/-  184.7 Mpc      (m-M) = 42.11 +/- 0.15 mag
D (Local Group)            :  2638.7 +/-  184.7 Mpc      (m-M) = 42.11 +/- 0.15 mag
D (3K CMB)                 :  2644.7 +/-  185.1 Mpc      (m-M) = 42.11 +/- 0.15 mag
D (Virgo Infall only)      :  2640.0 +/-  184.8 Mpc      (m-M) = 42.11 +/- 0.15 mag
D (Virgo + GA only)        :  2640.7 +/-  184.9 Mpc      (m-M) = 42.11 +/- 0.15 mag
D (Virgo + GA + Shapley)   :  2641.0 +/-  184.9 Mpc      (m-M) = 42.11 +/- 0.15 mag

Scale at Hubble Flow Distances
Scale (Galactocentric GSR) :   12795 pc/arcsec = 12.795 kpc/arcsec = 767.71 kpc/arcmin =  46.06 Mpc/degree
Scale (Local Group)        :   12793 pc/arcsec = 12.793 kpc/arcsec = 767.55 kpc/arcmin =  46.05 Mpc/degree
Scale (3K CMB)             :   12822 pc/arcsec = 12.822 kpc/arcsec = 769.31 kpc/arcmin =  46.16 Mpc/degree
Scale (Virgo Infall only)  :   12799 pc/arcsec = 12.799 kpc/arcsec = 767.94 kpc/arcmin =  46.08 Mpc/degree
Scale (Virgo + GA only)    :   12803 pc/arcsec = 12.803 kpc/arcsec = 768.16 kpc/arcmin =  46.09 Mpc/degree
Scale(Virgo + GA + Shapley):   12804 pc/arcsec = 12.804 kpc/arcsec = 768.23 kpc/arcmin =  46.09 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 =  0.130 arcmin  
and Selected Redshift, defined by the Velocity Range:
from  to km/sec where V(Heliocentric) = 192797 km/sec  






Cosmology-Corrected Quantities [Ho =  73.00 km/sec/Mpc, Ωmatter =   0.27, Ωvacuum =   0.73]
[Redshift 0.643992 as corrected to the Reference Frame defined by the 3K Microwave Background Radiation]
Luminosity Distance        :     3738 Mpc      (m-M) = 42.86 mag
Angular-Size Distance      :     1383 Mpc      (m-M) = 40.70 mag
Co-Moving Radial Distance  :     2274 Mpc      (m-M) = 41.78 mag
Co-Moving Tangential Dist. :     2274 Mpc      (m-M) = 41.78 mag
Co-Moving Volume           : 49.2 Gpc^3
Light Travel-Time          :    5.803 Gyr
Age at Redshift 0.643992   :    7.496 Gyr
Age of Universe            :   13.299 Gyr
Scale (Cosmology Corrected):    6705 pc/arcsec =  6.705 kpc/arcsec = 402.31 kpc/arcmin =  24.14 Mpc/degree
Surface Brightness Dimming : Flux Density per Unit Area =  0.13690; Magnitude per Unit Area = 2.159 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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