Transcript PosterHST_GRBs.ppt

GRB 970228
z = 0.695
Day 200
Rhost = 24.6
Scale: 1.37”/side
GRB 980329
z > 2 (probable)
Day 880
Rhost = 28.
Galaxy-radio
offset ~ 0.75”
Scale: 17.5”/side
GRB 970508
z = 0.835
Day 200
Rhost = 25.8
Nucleus-OT offset
< 0.01”
Scale: 9.3” x 10.5”
GRB 980519
z: unknown
Day 750
Rhost = 27.5
Galaxy-OT offset
~ 1.5”
Scale: 6.5”/side
GRB 971214
z = 3.418
Day 144
Rhost = 25.5
Nucleus-OT offset
~ 0.06”
Scale: 6.35”/side
GRB 980613
z = 1.097
Day 799
Rhost = 26.
Field ~ 6 galaxies;
tidal interactions
Scale: 18.4”/side
GRB 981226
z = 1.097; no OT?
Day 555
Rhost = 24.3
Nucleus-radio
offset ~ 0.7”
Scale: ~2.4”/side
GRB 990506
z: unknown; no OT
Day 413
Rhost = 25.0
Radio centered on
host (fhwm ~ 0.14")
Scale: ~ 6.3”/side
GRB 990123
z = 1.600
Day 380
Rhost (3 knots) = 28
OT in outer, S. arm
Scale: 3.2”/side
GRB 990510
z = 1.619
Day 355
Vhost = 28.
Nucleus-OT offset
0.066” (~ 600 pc)
Scale: 1.25”/side
GRB 990308
z: unknown
Day 468
Rhosts = 27.
Galaxy-OT offsets,
1.4” & 2.2”
Scale: 6.5”/side
GRB 990705
z: unknown (low?)
Day 387
Vhost = 22.8
Nucleus-OT offset
0.9”; face-on spiral
Scale: 7.6”/side
GRB 990712
z = 0.430
Day 287
Rhost = 22.
OT centered on
bright red knot
Scale: 1.6”/side
GRB 000131
z = 4.50
Day 6
Rhost+OT = 24.6
(VLT-Antu 8.2-m)
GRB 991208
z = 0.706
Day 287
Vhost = 24.6
Nucleus-OT offset
~ 0.06”
Scale: 2.5”/side
GRB 000301c
z = 2.03
Day 34
Rhost,OT = 26.9, 27.8
Host unresolved
GRB 991216
z = 0.77, 0.80, 1.02
Day 123
Rhost = 26.9
host diameter, 0.3”
rd
BATSE: 3 ranked
Scale: 3.2”/side
GRB 000418
z = 1.118
Day 47
Rhost = 23.9
Compact host
(fhwm ~ 0.13")
Scale: 5”/side
Scale: ~ 50”/side
Scale: 0.9”/side