This submission contains the final two visits for this program.
----- Submission 1 (Fri Feb 17 21:39:11 GMT 2006) -----
----- Submission 2 (Thu Jun 29 21:22:48 GMT 2006) -----
I don't see any problems reported by APT
This is a DD proposal. The target is only visible until the end of February in two-gyro mode. Therefore we
request rapid action.
Assigned ID: 740
----- Submission 1 (Mon Feb 13 04:57:04 GMT 2006) -----
The Unusual Afterglow and Host Galaxy of the Short GRB 060121
We request Director's Discretionary Time to observe the afterglow and host galaxy of the short-hard gamma-ray bursts GRB 060121. This is only the fourth time an optical afterglow of a short-hard burst has been found at its properties are significantly different to other cases. Both the afterglow and host galaxy are much fainter than previous short bursts (for which optical afterglows have been located) and the afterglow may also show the signature of dust extinction. Such extinction is completely unexpected for short bursts, given the currently popular model of their origin in NS-NS mergers. We propose ACS and NICMOS observations which will locate the afterglow and host galaxy of GRB 060121, provide constraints on its beaming angle, search for the signature of dust, and measure the offset from its host. These observations offer a strong test of NS-NS merger models.
TBD
COSMOLOGY
0
false
0.0
false
false
false
false
false
SUPPORTED
EXT-STAR
GAMMA RAY BURSTER
J2000
09 09 52.1300
+45 39 44.90
J2000
EXT-STAR
GAMMA RAY BURSTER
J2000
09 09 52.1300
+45 39 44.90
J2000
ACS/WFC
Imaging
No
No
F606W
NIC3
Imaging
No
No
F160W
ACS/WFC
Imaging
No
No
F606W
NIC3
Imaging
No
No
F160W
POS-TARG
DITHER
DITHER
4
3.011
ACS-WFC-DITHER-BOX
false
69.05
false
0.187
0.265
2
85.28
POS-TARG
ACS-WFC-DITHER-LINE
20.67
1
true
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