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Swift Trigger: 537921;

Presumed name: GRB 121108A

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BAT 05h 32m 44.64s, +54° 29′ 27.6″
position:(83.186, +54.491 ± 180″)
XRT 05h 32m 46.58s, +54° 28′ 26.0″
position:(83.1941, 54.4739 ± 2.0″)
UVOT No position available.
Galactic NHI:1.87×1021 cm-2
Galactic E(B-V):NED unavailable
Best RA:05h 32m 46.58s= 83.1941 d
Best Dec:+54° 28′ 26.0″= 54.4739 d
Gal Lat:11.37
Gal Long:156.86
Sun angle:131.80°, 9.4 hr West

1Sper #7 auto processing.

Galaxies within 3.33 of XRT position

RA*Dec*Redshift CatalogueQuery
32.983.178454.4739B1=18.7, B2=18.1, I=16.8, R1=17.4, R2=17.0USNO-B1Query vizier around this object
41.283.196454.4625R1=19.7, R2=19.8USNO-B1Query vizier around this object
42.483.205054.4838B1=19.1, B2=18.1, I=16.2, R1=17.1, R2=16.6USNO-B1Query vizier around this object
42.683.194954.4857B2=20.8, I=18.1, R1=19.1, R2=19.2USNO-B1Query vizier around this object
44.583.214754.4708B1=20.7, R1=19.0USNO-B1Query vizier around this object
47.183.172454.4704I=18.5, R1=19.3, R2=19.5USNO-B1Query vizier around this object
49.483.217054.4706B1=20.9, B2=20.3, I=18.4, R1=19.0, R2=19.3USNO-B1Query vizier around this object
54.183.171554.4665B2=21.1, R1=19.1USNO-B1Query vizier around this object
55.983.178254.4864I=18.7, R1=18.2USNO-B1Query vizier around this object
57.383.218554.4812B1=19.9, B2=18.7, I=17.2, R1=17.3USNO-B1Query vizier around this object
62.083.209654.4886B1=21.0, B2=20.6, I=17.5, R1=18.6, R2=18.2USNO-B1Query vizier around this object
69.883.211754.4574B1=20.9, R1=19.7USNO-B1Query vizier around this object
72.283.222754.4851B1=20.9, R2=20.0USNO-B1Query vizier around this object
74.183.162554.4646B1=18.6, B2=17.9, I=16.4, R1=16.8, R2=16.9USNO-B1Query vizier around this object
74.183.159154.4705I=18.6, R1=19.5, R2=19.6USNO-B1Query vizier around this object
82.783.159654.4851B2=21.1, R1=19.5, R2=19.7USNO-B1Query vizier around this object
92.683.228454.4577B2=20.6, R2=20.0USNO-B1Query vizier around this object
93.483.228854.4575B2=20.2, R1=18.2USNO-B1Query vizier around this object
95.983.230454.4902B1=20.9, B2=20.8, R1=19.4USNO-B1Query vizier around this object
98.883.200254.4467B1=18.7, B2=18.2, I=16.8, R1=17.4, R2=17.2USNO-B1Query vizier around this object
99.383.195654.4463B2=20.9, I=18.0, R1=19.1, R2=18.8USNO-B1Query vizier around this object
99.583.210154.4479B1=18.8, B2=18.0, I=16.7, R1=17.2, R2=17.1USNO-B1Query vizier around this object
102.083.179254.5009B1=18.6, B2=18.1, I=16.5, R1=17.2, R2=16.8USNO-B1Query vizier around this object
111.883.221354.4472B1=19.9, R2=18.2USNO-B1Query vizier around this object
112.183.165254.4477B1=20.9, B2=20.0, I=18.1, R1=19.1, R2=19.1USNO-B1Query vizier around this object
115.183.241654.4901B2=20.9, R1=19.8, R2=19.5USNO-B1Query vizier around this object
117.583.250254.4751B1=19.9, R2=20.2USNO-B1Query vizier around this object
122.183.142454.4896B2=21.0, R1=19.7USNO-B1Query vizier around this object
127.983.161754.5040R1=19.2, R2=19.8USNO-B1Query vizier around this object
128.183.143354.4540B1=18.1, B2=17.7, I=16.2, R1=16.9, R2=16.8USNO-B1Query vizier around this object
129.583.255354.4687R1=19.3, R2=19.5USNO-B1Query vizier around this object
130.083.254354.4829B1=17.2, B2=16.8, I=15.2, R1=15.9, R2=15.8USNO-B1Query vizier around this object
132.683.134254.4619B1=17.3, B2=17.0, I=15.4, R1=16.1, R2=15.9USNO-B1Query vizier around this object
132.783.141054.4941B2=21.0, I=17.5, R1=18.8, R2=19.1USNO-B1Query vizier around this object
132.883.252254.4590B1=20.4, B2=19.7, I=17.1, R1=18.1, R2=17.6USNO-B1Query vizier around this object
133.983.255154.4851I=18.7, R1=19.2USNO-B1Query vizier around this object
142.283.249954.4513B1=21.1, B2=20.0, I=18.0, R1=19.2, R2=19.0USNO-B1Query vizier around this object
142.583.226254.4390B1=18.2, B2=17.7, I=16.3, R1=16.8, R2=16.7USNO-B1Query vizier around this object
142.983.246254.4482B1=20.9, R1=19.7, R2=19.8USNO-B1Query vizier around this object
143.883.255754.4916B1=16.5, B2=15.8, I=13.9, R1=15.0, R2=14.5USNO-B1Query vizier around this object
145.183.256054.4922B1=15.6, I=16.1USNO-B1Query vizier around this object
146.383.159754.4385B1=20.5, B2=19.3, I=17.7, R1=18.5, R2=18.2USNO-B1Query vizier around this object
146.583.256154.4928B1=19.3, B2=17.4, I=15.1, R1=16.6USNO-B1Query vizier around this object
146.583.133454.4536B1=16.3, B2=15.8, I=13.5, R1=14.5, R2=14.4USNO-B1Query vizier around this object
147.783.156054.4394B1=18.0, B2=17.6, I=16.3, R1=16.8, R2=16.5USNO-B1Query vizier around this object
150.483.130454.4545B1=20.8, I=16.4USNO-B1Query vizier around this object
156.183.266354.4630B1=20.3, B2=19.5, I=17.8, R1=18.4, R2=18.2USNO-B1Query vizier around this object
156.583.187154.5172B1=18.2, B2=17.9, I=16.4, R1=17.1, R2=16.9USNO-B1Query vizier around this object
159.983.193354.4295I=18.6, R1=19.3USNO-B1Query vizier around this object
161.783.270754.4678B1=21.4, R1=18.3USNO-B1Query vizier around this object
168.383.268554.4562B2=20.7, I=18.4, R1=19.7, R2=19.7USNO-B1Query vizier around this object
176.283.265054.5006NEDQuery vizier around this object
176.383.264954.5005h=15.0, j=15.7, k=14.42MASSQuery vizier around this object
176.483.266054.4995B1=20.8, R2=19.6USNO-B1Query vizier around this object
178.083.158154.5187B1=21.3, B2=20.6, I=18.3, R1=18.6, R2=18.7USNO-B1Query vizier around this object
178.483.210054.4252R1=19.3, R2=19.6USNO-B1Query vizier around this object
183.683.217654.5231B2=20.8, I=18.4, R1=19.4, R2=19.2USNO-B1Query vizier around this object
188.383.116354.4477B1=18.0, B2=17.3, I=15.6, R1=16.2, R2=16.2USNO-B1Query vizier around this object
191.783.170154.5253B1=20.8, R1=18.9USNO-B1Query vizier around this object
192.283.130154.4356B1=18.1, B2=17.7, I=16.3, R1=16.7, R2=16.8USNO-B1Query vizier around this object
192.483.232954.5224B1=20.8, B2=20.4, I=18.2, R1=18.9, R2=19.0USNO-B1Query vizier around this object
193.983.286754.4764B1=19.6, B2=18.9, I=17.6, R1=18.1, R2=17.9USNO-B1Query vizier around this object
197.283.155054.5237B1=19.1, B2=18.4, I=16.8, R1=17.3, R2=17.3USNO-B1Query vizier around this object

Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.

* RA/Dec in equinox J2000

Magnitudes depend on the catalogue. e.g. For Sloan, R is the Sloan r mag, not the Johnson R from APM, for example