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Position Reference:2009MNRAS.399..728F

Reference    Frame     Longitude    Latitude        RA           DEC      Uncertainty Ellipse (arcsec)
                       (degrees)   (degrees)                              Semimajor Semiminor  PA(deg)
Equatorial (B1950.0)    12.26991    44.83372  00h49m04.78s  +44d50m01.4s  5.00E+00  5.00E+00    0
Equatorial (J2000.0)    12.97133    45.10533  00h51m53.12s  +45d06m19.2s  5.00E+00  5.00E+00    0
Ecliptic   (B1950.0)    31.14687    35.93568                              5.00E+00  5.00E+00    0
Ecliptic   (J2000.0)    31.84156    35.93949                              5.00E+00  5.00E+00    0
Galactic               123.01483   -17.76628                              5.00E+00  5.00E+00    0
SuperGalactic          340.35828    11.60032                              5.00E+00  5.00E+00    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]
0.449
0.376
0.284
0.225
0.156
0.439
0.342
0.237
0.176
0.131
0.073
0.047
0.031
0.016

  

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


Bandpass [µm]
Aλ [mag]
Landolt
U
(0.35)
 0.449
Landolt
B
(0.43)
 0.376
Landolt
V
(0.54)
 0.284
Landolt
R
(0.64)
 0.225
Landolt
I
(0.80)
 0.156
CTIO
U
(0.37)
 0.425
CTIO
B
(0.43)
 0.377
CTIO
V
(0.55)
 0.278
CTIO
R
(0.65)
 0.219
CTIO
I
(0.80)
 0.157
UKIRT
J
(1.25)
 0.073
UKIRT
H
(1.66)
 0.047
UKIRT
K
(2.19)
 0.031
UKIRT
L'
(3.78)
 0.016
Gunn
g
(0.52)
 0.302
Gunn
r
(0.66)
 0.213
Gunn
i
(0.79)
 0.161
Gunn
z
(0.91)
 0.128
Spinrad
R_S
(0.69)
 0.199
Stromgren
u
(0.35)
 0.446
Stromgren
b
(0.47)
 0.347
Stromgren
v
(0.41)
 0.393
Stromgren
beta
(0.49)
 0.330
Stromgren
y
(0.55)
 0.278
SDSS
u
(0.36)
 0.439
SDSS
g
(0.47)
 0.342
SDSS
r
(0.62)
 0.237
SDSS
i
(0.75)
 0.176
SDSS
z
(0.89)
 0.131
DSS-II
g
(0.46)
 0.350
DSS-II
r
(0.65)
 0.216
DSS-II
i
(0.81)
 0.154
PS1
g
(0.49)
 0.329
PS1
r
(0.62)
 0.235
PS1
i
(0.75)
 0.174
PS1
z
(0.87)
 0.137
PS1
y
(0.97)
 0.113
PS1
w
(0.62)
 0.242
LSST
u
(0.37)
 0.429
LSST
g
(0.48)
 0.335
LSST
r
(0.62)
 0.235
LSST
i
(0.75)
 0.174
LSST
z
(0.87)
 0.137
LSST
y
(0.97)
 0.113
WFPC2
F300W
(0.31)
 0.508
WFPC2
F450W
(0.46)
 0.353
WFPC2
F555W
(0.54)
 0.285
WFPC2
F606W
(0.60)
 0.250
WFPC2
F702W
(0.69)
 0.202
WFPC2
F814W
(0.79)
 0.160
WFC3
F105W
(1.04)
 0.100
WFC3
F110W
(1.12)
 0.091
WFC3
F125W
(1.23)
 0.075
WFC3
F140W
(1.37)
 0.063
WFC3
F160W
(1.53)
 0.053
WFC3
F200LP
(0.55)
 0.306
WFC3
F218W
(0.22)
 0.804
WFC3
F225W
(0.24)
 0.724
WFC3
F275W
(0.27)
 0.568
WFC3
F300X
(0.29)
 0.541
WFC3
F336W
(0.34)
 0.461
WFC3
F350LP
(0.59)
 0.272
WFC3
F390W
(0.40)
 0.403
WFC3
F438W
(0.43)
 0.375
WFC3
F475W
(0.48)
 0.336
WFC3
F475X
(0.50)
 0.323
WFC3
F555W
(0.53)
 0.296
WFC3
F600LP
(0.74)
 0.184
WFC3
F606W
(0.59)
 0.258
WFC3
F625W
(0.62)
 0.234
WFC3
F775W
(0.76)
 0.170
WFC3
F814W
(0.80)
 0.159
WFC3
F850LP
(0.91)
 0.125
ACS
clear
(0.62)
 0.252
ACS
F435W
(0.43)
 0.374
ACS
F475W
(0.48)
 0.338
ACS
F550M
(0.56)
 0.271
ACS
F555W
(0.54)
 0.289
ACS
F606W
(0.59)
 0.256
ACS
F625W
(0.63)
 0.230
ACS
F775W
(0.77)
 0.169
ACS
F814W
(0.80)
 0.158
ACS
F850LP
(0.90)
 0.129
DES
g
(0.48)
 0.335
DES
r
(0.64)
 0.225
DES
i
(0.78)
 0.165
DES
z
(0.91)
 0.126
DES
Y
(0.99)
 0.110


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]
0.563
0.447
0.344
0.277
0.201
0.535
0.393
0.285
0.216
0.153
0.094
0.060
0.038
0.016


Galactic Extinction based on H I Column Densities and Galaxy Counts 
(Burstein & Heiles; 1982AJ.....87.1165B) assuming Rv = 3.1:
AB = 0.540 mag 

See Notes on Galactic Extinction for important caveats.

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 photometric data point(s)      

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