Swift Trigger: 362633;

Presumed name: GRB 090912

BAT	12^h 32^m 22.08^s, +61° 30′ 46.8″
position:	(188.092, +61.513 ± 180″)
XRT	12^h 32^m 10.13^s, +61° 29′ 03.5″
position:	(188.0422, 61.4843 ± 2.2″)
UVOT	No position available.
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.015 mag

Best RA:	12^h 32^m 10.13^s	= 188.0422 d
Best Dec:	+61° 29′ 03.5″	= 61.4843 d

Gal Lat:
Gal Long:

Sun angle:	not found

Stars within 3.33 of XRT position

	RA*	Dec*		Catalogue
9.5	188.0384	61.4824	B1=20.9, B2=20.3, I=17.2, R1=18.5, R2=18.9	USNO-B1
9.9	188.0385	61.4822	h=15.1, j=15.5, k=14.8	2MASS
10.1	188.0384	61.4822	I=17.7, R=19.1, g=20.4, u=22.6, z=16.9	SDSS
24.7	188.0521	61.4794	I=22.2, R=22.4, g=23.2, u=22.6, z=22.2	SDSS
29.0	188.0432	61.4923	I=21.7, R=23.0, g=24.6, u=23.7, z=21.6	SDSS
36.3	188.0591	61.4903	I=21.2, R=22.2, g=25.1, u=26.0, z=20.7	SDSS
38.4	188.0539	61.4752	I=22.6, R=22.4, g=26.7, u=21.9, z=23.2	SDSS
39.5	188.0633	61.4800	I=21.9, R=21.7, g=22.7, u=22.5, z=22.7	SDSS
41.8	188.0534	61.4740	B2=21.2, R1=20.1	USNO-B1
42.3	188.0207	61.4900	B1=20.9, B2=21.3, I=19.0, R2=20.8	USNO-B1
42.5	188.0229	61.4917	h=13.4, j=14.1, k=13.2	2MASS
42.6	188.0229	61.4917	I=15.6, R=16.3, g=17.8, u=20.3, z=15.2	SDSS
42.7	188.0230	61.4918	B1=18.7, B2=17.7, I=15.1, R1=15.8, R2=15.9	USNO-B1
50.0	188.0532	61.4715	B1=20.1, B2=20.8	USNO-B1
50.5	188.0565	61.4721	I=23.0, R=22.1, g=25.4, u=22.8, z=21.2	SDSS
55.4	188.0703	61.4768	I=21.9, R=22.9, g=24.0, u=24.7, z=21.1	SDSS
56.8	188.0091	61.4844	I=21.8, R=23.4, g=26.0, u=25.5, z=22.3	SDSS
59.0	188.0525	61.4687	B1=18.7, R1=19.1, R2=19.2	USNO-B1
59.3	188.0576	61.4695	I=21.5, R=20.8, g=22.7, u=23.6, z=23.1	SDSS
59.7	188.0392	61.4678	I=24.4, R=23.1, g=22.6, u=22.2, z=22.3	SDSS
60.3	188.0571	61.4691	I=24.4, R=21.0, g=22.2, u=23.9, z=22.4	SDSS
68.6	188.0197	61.5001	B1=20.9, B2=21.5, R1=19.0, R2=20.5	USNO-B1
69.0	188.0428	61.4651	B1=20.5, B2=17.2	USNO-B1
69.3	188.0498	61.5032	I=21.8, R=22.9, g=25.6, u=25.8, z=21.1	SDSS
69.7	188.0465	61.4650	I=17.7, R1=18.5	USNO-B1
70.0	188.0388	61.4649	B2=21.0, R2=19.9	USNO-B1
72.1	188.0537	61.4651	h=9.5, j=9.7, k=9.5	2MASS
73.3	188.0767	61.4723	I=21.2, R=21.5, g=22.1, u=24.5, z=20.5	SDSS
73.8	188.0571	61.4651	h=12.1, j=15.9, k=12.1	2MASS
79.5	188.0653	61.4652	B1=20.7, B2=19.1, R2=19.3	USNO-B1
79.7	187.9967	61.4886	B1=20.5, B2=21.5, R2=20.7	USNO-B1
79.8	188.0398	61.4622	B2=19.7, R1=19.3, R2=20.1	USNO-B1
79.9	187.9966	61.4885	I=20.7, R=20.9, g=21.3, u=22.0, z=20.8	SDSS
80.3	188.0161	61.5028	I=24.7, R=26.2, g=26.0, u=24.6, z=19.6	SDSS
82.5	188.0020	61.4718	I=21.0, R=21.1, g=21.5, u=22.1, z=21.0	SDSS
82.5	188.0689	61.4652	B1=20.9, B2=21.1	USNO-B1
82.5	188.0020	61.4718	B1=20.4, B2=21.8	USNO-B1
82.7	188.0618	61.4633	I=24.4, R=20.8, g=25.1, u=23.1, z=20.9	SDSS
83.3	187.9942	61.4874	I=21.2, R=22.3, g=24.1, u=25.7, z=21.1	SDSS
83.6	188.0782	61.4999	I=18.7, R=19.0, g=19.9, u=21.7, z=18.6	SDSS
84.0	188.0782	61.5001	B1=20.2, B2=20.2, I=18.4, R1=18.8, R2=19.1	USNO-B1
84.1	188.0712	61.4655	B1=20.6, B2=21.2	USNO-B1
85.6	188.0542	61.4612	B2=17.8, R1=18.7, R2=17.6	USNO-B1
87.4	188.0880	61.4949	B1=19.7, B2=18.6, I=18.0, R2=18.2	USNO-B1
88.4	188.0855	61.4976	I=20.7, R=21.6, g=23.2, u=24.0, z=20.4	SDSS
89.3	188.0762	61.4656	B1=20.8, B2=21.3	USNO-B1
91.2	188.0541	61.4596	B1=20.4, B2=21.0	USNO-B1
93.3	188.0253	61.4597	I=21.6, R=22.0, g=22.6, u=23.3, z=21.3	SDSS
94.8	188.0538	61.5100	I=16.8, R=18.0, g=19.4, u=22.0, z=16.2	SDSS
94.8	188.0539	61.5100	h=14.3, j=14.8, k=14.1	2MASS
95.2	188.0540	61.5101	B1=20.6, B2=19.4, I=16.3, R1=17.4, R2=17.6	USNO-B1
95.3	187.9868	61.4843	I=21.9, R=22.2, g=22.8, u=23.0, z=22.6	SDSS
97.9	187.9915	61.4967	B1=20.9, R1=19.7	USNO-B1
97.9	187.9893	61.4742	I=20.9, R=23.5, g=24.8, u=25.9, z=19.5	SDSS
99.6	188.0502	61.4569	I=22.0, R=24.6, g=25.2, u=22.3, z=23.3	SDSS
100.5	188.0471	61.4565	I=24.0, R=25.3, g=25.1, u=22.2, z=23.2	SDSS
101.4	187.9833	61.4825	B1=20.9, B2=21.6, I=18.9, R1=19.8, R2=19.9	USNO-B1
101.6	187.9832	61.4823	I=19.4, R=20.0, g=21.3, u=22.7, z=19.1	SDSS
101.7	188.0590	61.4572	I=22.5, R=23.1, g=25.1, u=22.3, z=22.4	SDSS
102.7	188.0052	61.4619	h=16.2, j=17.1, k=15.7	2MASS
102.8	188.0051	61.4619	B2=20.4, I=17.9, R1=18.9, R2=18.6	USNO-B1
103.4	188.0491	61.4558	I=22.3, R=23.8, g=25.1, u=24.4, z=23.8	SDSS
105.5	188.0539	61.4555	B2=21.6, R2=20.4	USNO-B1
106.7	188.0596	61.5127	I=19.5, R=20.1, g=21.3, u=23.0, z=19.1	SDSS
107.0	188.0596	61.5128	B2=21.4, I=18.8, R1=19.5, R2=20.0	USNO-B1
107.3	188.0527	61.4549	I=22.4, R=23.9, g=25.1, u=23.0, z=22.7	SDSS
108.3	187.9891	61.5005	I=24.9, R=25.9, g=25.5, u=24.0, z=20.2	SDSS
111.4	188.0295	61.4540	B1=20.1, R1=19.9	USNO-B1
113.6	188.0438	61.5158	h=16.1, j=16.6, k=15.2	2MASS
113.6	188.0437	61.5159	I=18.3, R=19.4, g=20.9, u=22.7, z=17.7	SDSS
114.0	188.0437	61.5160	B2=21.2, I=17.9, R1=19.2, R2=19.4	USNO-B1
119.4	188.0543	61.4516	I=20.8, R=21.5, g=22.9, u=22.9, z=20.5	SDSS
124.3	188.0912	61.5097	I=19.6, R=20.1, g=21.5, u=25.5, z=19.4	SDSS
125.2	187.9785	61.4674	B1=20.9, B2=21.3, I=18.6, R2=19.4	USNO-B1
129.1	188.1132	61.4725	I=24.3, R=24.2, g=26.3, u=22.1, z=23.9	SDSS
132.8	188.0194	61.5195	I=21.4, R=21.7, g=22.5, u=23.4, z=21.9	SDSS
134.9	188.0896	61.4544	I=21.7, R=23.8, g=23.7, u=24.3, z=20.4	SDSS
135.0	187.9967	61.5149	I=20.8, R=21.6, g=22.6, u=24.6, z=20.0	SDSS
136.7	188.1183	61.4733	I=21.5, R=21.6, g=22.4, u=23.0, z=21.4	SDSS
137.5	188.0079	61.5188	I=18.1, R=18.9, g=20.3, u=23.5, z=17.7	SDSS
137.6	188.0079	61.5189	h=16.2, j=16.1, k=15.7	2MASS
137.9	188.0078	61.5189	B1=19.8, B2=20.4, I=18.0, R1=18.4, R2=18.8	USNO-B1
138.0	188.1220	61.4802	I=18.9, R=20.2, g=21.8, u=24.2, z=18.2	SDSS
140.1	187.9608	61.4860	h=15.8, j=16.3, k=15.3	2MASS
140.1	188.0407	61.4454	B1=20.3, B2=20.2, I=18.7, R1=19.4, R2=19.2	USNO-B1
140.3	187.9607	61.4860	I=18.0, R=19.0, g=20.4, u=23.2, z=17.5	SDSS
140.3	187.9607	61.4861	B1=20.9, B2=20.5, I=17.7, R1=18.8, R2=18.9	USNO-B1
141.8	187.9608	61.4779	B1=20.6, B2=20.3, R2=20.4	USNO-B1
142.0	188.0691	61.5216	I=18.3, R=19.2, g=20.6, u=24.9, z=17.9	SDSS
142.1	187.9607	61.4778	I=19.9, R=20.2, g=20.6, u=21.7, z=19.8	SDSS
142.1	188.0694	61.5216	B1=20.5, B2=20.4, I=18.0, R1=19.0, R2=19.2	USNO-B1
146.0	188.1247	61.4941	I=21.4, R=22.1, g=24.0, u=25.5, z=20.7	SDSS
146.9	188.0773	61.4471	I=21.3, R=22.7, g=25.2, u=25.2, z=20.3	SDSS
147.0	187.9928	61.5176	I=22.1, R=22.5, g=24.0, u=25.2, z=22.4	SDSS
147.2	187.9975	61.4494	I=20.9, R=21.9, g=23.2, u=26.3, z=20.4	SDSS
148.6	188.1224	61.4997	I=14.1, R=14.3, g=14.9, u=16.8, z=14.0	SDSS
148.7	188.1224	61.4998	h=12.7, j=13.1, k=12.6	2MASS
148.9	188.1225	61.4998	B1=15.4, B2=15.1, I=14.1, R1=14.3, R2=14.3	USNO-B1
148.9	187.9658	61.5039	I=18.9, R=18.6, g=18.1, u=17.9, z=19.4	SDSS
149.1	188.0630	61.5245	I=20.4, R=20.5, g=20.8, u=21.5, z=20.0	SDSS
149.1	187.9659	61.5040	B1=17.8, B2=17.9, I=18.8, R1=18.3, R2=19.0	USNO-B1
149.4	187.9611	61.4992	I=22.3, R=22.5, g=22.9, u=23.2, z=22.3	SDSS
149.6	188.0632	61.5246	B1=20.5, B2=21.4, R2=20.2	USNO-B1
150.0	187.9592	61.4973	B1=20.9, R1=17.8	USNO-B1
150.8	187.9644	61.4650	B2=21.7, R1=19.8, R2=20.2	USNO-B1
151.6	187.9905	61.4502	I=21.7, R=22.9, g=23.9, u=23.9, z=21.6	SDSS
154.2	188.0035	61.4457	I=21.5, R=22.5, g=24.4, u=24.9, z=21.2	SDSS
154.4	188.0561	61.5267	B1=20.6, B2=20.6, R2=20.5	USNO-B1
156.1	188.0750	61.5247	I=21.9, R=25.2, g=25.7, u=23.2, z=23.4	SDSS
159.6	188.1304	61.4705	I=21.3, R=21.8, g=23.4, u=23.0, z=22.9	SDSS
159.9	187.9904	61.5212	I=21.5, R=21.7, g=23.3, u=24.0, z=22.7	SDSS
162.4	188.1364	61.4880	B1=20.9, B2=20.4, R2=19.4	USNO-B1
164.1	188.1373	61.4880	B2=21.8, R1=19.5	USNO-B1
166.3	187.9753	61.4509	I=21.2, R=23.3, g=24.9, u=25.0, z=20.3	SDSS
167.0	187.9668	61.5136	h=14.8, j=15.5, k=14.6	2MASS
167.1	187.9668	61.5136	I=17.5, R=18.7, g=20.1, u=23.0, z=16.9	SDSS
167.2	187.9668	61.5137	B1=20.5, B2=20.5, I=17.1, R1=18.5, R2=18.3	USNO-B1
168.7	188.0218	61.5301	h=15.2, j=16.0, k=14.8	2MASS
168.8	187.9451	61.4775	I=25.2, R=24.6, g=26.2, u=22.0, z=23.4	SDSS
168.8	187.9502	61.5007	h=14.6, j=15.2, k=14.4	2MASS
169.0	187.9501	61.5008	I=16.7, R=17.3, g=18.5, u=21.0, z=16.4	SDSS
169.1	187.9501	61.5009	B1=19.3, B2=18.4, I=16.4, R1=17.0, R2=17.1	USNO-B1
169.8	188.1247	61.4584	B1=20.9, B2=20.7, I=16.7, R1=18.6, R2=18.2	USNO-B1
170.0	188.1247	61.4583	h=14.9, j=15.4, k=14.4	2MASS
170.0	188.1247	61.4583	I=17.4, R=18.8, g=20.3, u=22.4, z=16.7	SDSS
174.2	187.9546	61.5087	I=19.9, R=20.5, g=21.8, u=24.3, z=19.6	SDSS
174.5	187.9546	61.5088	B2=21.9, R2=20.6	USNO-B1
175.4	188.0272	61.4361	B1=18.9, B2=18.2, I=17.5, R1=17.6, R2=17.6	USNO-B1
175.8	188.0271	61.4360	I=17.5, R=17.8, g=18.3, u=19.7, z=17.4	SDSS
176.3	188.0268	61.4359	h=15.9, j=16.6, k=15.9	2MASS
176.3	188.1345	61.4630	B1=20.8, B2=20.0, I=18.2, R1=19.2, R2=18.6	USNO-B1
177.1	188.1360	61.4639	B1=20.8, R1=19.2	USNO-B1
177.2	187.9465	61.5027	I=24.8, R=25.1, g=24.7, u=25.2, z=20.5	SDSS
181.1	187.9949	61.5293	h=11.8, j=12.2, k=11.7	2MASS
181.2	187.9948	61.5293	I=13.2, R=13.4, g=14.0, u=15.7, z=13.1	SDSS
181.5	187.9385	61.4748	B1=19.9, B2=19.1, I=16.7, R1=17.2, R2=17.6	USNO-B1
181.5	187.9949	61.5294	B1=14.6, B2=14.3, I=13.3, R1=13.5, R2=13.5	USNO-B1
181.5	187.9385	61.4747	h=14.9, j=15.6, k=14.6	2MASS
181.7	187.9384	61.4747	I=17.1, R=17.7, g=19.0, u=21.6, z=16.8	SDSS
181.8	188.0510	61.5346	I=20.9, R=24.9, g=25.0, u=25.2, z=23.7	SDSS
182.7	187.9561	61.4546	B2=20.6, I=18.2, R1=19.3, R2=18.8	USNO-B1
182.7	188.0998	61.5270	I=22.2, R=22.4, g=24.5, u=24.6, z=21.4	SDSS
182.9	187.9539	61.5127	I=23.2, R=22.6, g=23.0, u=22.9, z=21.9	SDSS
183.7	188.0444	61.5353	h=14.3, j=14.6, k=14.2	2MASS
183.8	188.0444	61.5353	I=15.5, R=15.6, g=16.0, u=17.3, z=15.4	SDSS
184.0	188.0444	61.5354	B1=16.2, B2=16.2, I=15.2, R1=15.3, R2=15.5	USNO-B1
185.2	188.1238	61.5179	I=19.6, R=19.7, g=19.9, u=20.7, z=19.5	SDSS
185.5	188.1501	61.4828	I=24.3, R=25.2, g=23.4, u=25.2, z=20.5	SDSS
186.2	187.9412	61.5030	I=18.9, R=20.1, g=21.5, u=24.6, z=18.3	SDSS
186.4	187.9411	61.5031	I=18.4, R1=19.6, R2=20.1	USNO-B1
186.5	188.1474	61.4971	I=18.3, R=19.1, g=20.6, u=23.3, z=17.8	SDSS
187.0	188.1476	61.4972	B2=20.5, I=18.0, R1=19.1, R2=19.3	USNO-B1
187.1	188.1477	61.4973	h=15.8, j=16.4, k=15.7	2MASS
187.2	188.0224	61.5354	h=16.0, j=16.5, k=15.3	2MASS
187.6	188.0224	61.5356	B1=20.1, I=17.0, R1=17.7, R2=16.1	USNO-B1
187.9	188.0109	61.5343	I=20.8, R=21.1, g=21.7, u=23.0, z=20.6	SDSS
189.7	188.1339	61.4550	I=23.4, R=24.7, g=22.7, u=22.9, z=21.4	SDSS
191.4	188.0543	61.5371	I=21.8, R=22.7, g=23.4, u=25.5, z=22.6	SDSS
194.1	188.1533	61.4746	I=16.8, R=16.9, g=17.2, u=18.2, z=16.7	SDSS
194.1	188.1533	61.4746	h=15.8, j=16.1, k=15.2	2MASS
194.2	188.1534	61.4748	B1=17.5, B2=17.0, I=16.5, R1=16.5, R2=16.7	USNO-B1
195.1	187.9967	61.4347	B2=20.8, R1=19.7, R2=20.0	USNO-B1
195.1	188.1544	61.4760	B2=21.9, R2=20.4	USNO-B1
196.1	188.0128	61.4317	I=21.4, R=22.4, g=25.0, u=24.5, z=21.5	SDSS
196.3	187.9296	61.4935	B2=21.3, R1=19.7, R2=20.5	USNO-B1
197.6	188.1499	61.5035	B2=21.8, I=18.6, R1=19.5, R2=19.6	USNO-B1
197.9	188.0929	61.5337	I=22.0, R=24.5, g=25.7, u=24.7, z=24.0	SDSS
198.7	187.9274	61.4779	I=23.6, R=25.3, g=25.5, u=21.8, z=21.4	SDSS
198.7	187.9967	61.4335	I=20.7, R=21.1, g=22.6, u=23.4, z=20.1	SDSS

Queried USNO-B1, SDSS, 2MASS.

* 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.