FOREGROUND GALACTIC EXTINCTION for GRB 070920A (Back to INDEX)
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] | 0.454 | 0.380 | 0.287 | 0.227 | 0.158 | 0.444 | 0.346 | 0.239 | 0.178 | 0.132 | 0.074 | 0.047 | 0.032 | 0.016 |
Show/Hide Aλ magnitudes in all 88 photometric bands based on SF11
Bandpass [µm] | Aλ [mag] |
Landolt | U | (0.35) | 0.454 |
Landolt | B | (0.43) | 0.380 |
Landolt | V | (0.54) | 0.287 |
Landolt | R | (0.64) | 0.227 |
Landolt | I | (0.80) | 0.158 |
CTIO | U | (0.37) | 0.430 |
CTIO | B | (0.43) | 0.382 |
CTIO | V | (0.55) | 0.281 |
CTIO | R | (0.65) | 0.222 |
CTIO | I | (0.80) | 0.159 |
UKIRT | J | (1.25) | 0.074 |
UKIRT | H | (1.66) | 0.047 |
UKIRT | K | (2.19) | 0.032 |
UKIRT | L' | (3.78) | 0.016 |
Gunn | g | (0.52) | 0.305 |
Gunn | r | (0.66) | 0.215 |
Gunn | i | (0.79) | 0.163 |
Gunn | z | (0.91) | 0.129 |
Spinrad | R_S | (0.69) | 0.201 |
Stromgren | u | (0.35) | 0.451 |
Stromgren | b | (0.47) | 0.351 |
Stromgren | v | (0.41) | 0.397 |
Stromgren | beta | (0.49) | 0.334 |
Stromgren | y | (0.55) | 0.281 |
SDSS | u | (0.36) | 0.444 |
SDSS | g | (0.47) | 0.346 |
SDSS | r | (0.62) | 0.239 |
SDSS | i | (0.75) | 0.178 |
SDSS | z | (0.89) | 0.132 |
DSS-II | g | (0.46) | 0.354 |
DSS-II | r | (0.65) | 0.219 |
DSS-II | i | (0.81) | 0.156 |
PS1 | g | (0.49) | 0.332 |
PS1 | r | (0.62) | 0.238 |
PS1 | i | (0.75) | 0.176 |
PS1 | z | (0.87) | 0.139 |
PS1 | y | (0.97) | 0.114 |
PS1 | w | (0.62) | 0.245 |
LSST | u | (0.37) | 0.434 |
LSST | g | (0.48) | 0.339 |
LSST | r | (0.62) | 0.238 |
LSST | i | (0.75) | 0.176 |
LSST | z | (0.87) | 0.139 |
LSST | y | (0.97) | 0.114 |
WFPC2 | F300W | (0.31) | 0.514 |
WFPC2 | F450W | (0.46) | 0.357 |
WFPC2 | F555W | (0.54) | 0.289 |
WFPC2 | F606W | (0.60) | 0.253 |
WFPC2 | F702W | (0.69) | 0.204 |
WFPC2 | F814W | (0.79) | 0.162 |
WFC3 | F105W | (1.04) | 0.102 |
WFC3 | F110W | (1.12) | 0.092 |
WFC3 | F125W | (1.23) | 0.076 |
WFC3 | F140W | (1.37) | 0.064 |
WFC3 | F160W | (1.53) | 0.054 |
WFC3 | F200LP | (0.55) | 0.310 |
WFC3 | F218W | (0.22) | 0.813 |
WFC3 | F225W | (0.24) | 0.732 |
WFC3 | F275W | (0.27) | 0.575 |
WFC3 | F300X | (0.29) | 0.548 |
WFC3 | F336W | (0.34) | 0.467 |
WFC3 | F350LP | (0.59) | 0.275 |
WFC3 | F390W | (0.40) | 0.408 |
WFC3 | F438W | (0.43) | 0.380 |
WFC3 | F475W | (0.48) | 0.340 |
WFC3 | F475X | (0.50) | 0.326 |
WFC3 | F555W | (0.53) | 0.299 |
WFC3 | F600LP | (0.74) | 0.187 |
WFC3 | F606W | (0.59) | 0.261 |
WFC3 | F625W | (0.62) | 0.237 |
WFC3 | F775W | (0.76) | 0.172 |
WFC3 | F814W | (0.80) | 0.161 |
WFC3 | F850LP | (0.91) | 0.127 |
ACS | clear | (0.62) | 0.255 |
ACS | F435W | (0.43) | 0.378 |
ACS | F475W | (0.48) | 0.342 |
ACS | F550M | (0.56) | 0.275 |
ACS | F555W | (0.54) | 0.293 |
ACS | F606W | (0.59) | 0.259 |
ACS | F625W | (0.63) | 0.233 |
ACS | F775W | (0.77) | 0.171 |
ACS | F814W | (0.80) | 0.160 |
ACS | F850LP | (0.90) | 0.130 |
DES | g | (0.48) | 0.339 |
DES | r | (0.64) | 0.228 |
DES | i | (0.78) | 0.167 |
DES | z | (0.91) | 0.128 |
DES | Y | (0.99) | 0.111 |
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] | 0.579 | 0.460 | 0.353 | 0.285 | 0.207 | 0.549 | 0.404 | 0.293 | 0.222 | 0.158 | 0.096 | 0.061 | 0.039 | 0.016 |
Galactic Extinction based on H I Column Densities and Galaxy Counts (Burstein & Heiles; 1982AJ.....87.1165B) assuming Rv = 3.1: AB = 0.310 mag
See Notes on Galactic Extinction for important caveats.
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