Swift Trigger: 507901;

Presumed name: GRB 111117A

BAT	00^h 50^m 48.48^s, +23° 01′ 15.6″
position:	(12.702, +23.021 ± 180″)
XRT	00^h 50^m 46.22^s, +23° 00′ 39.2″
position:	(12.6926, 23.0109 ± 2.1″)
UVOT	No position available.
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.030 mag

Best RA:	00^h 50^m 46.22^s	= 12.6926 d
Best Dec:	+23° 00′ 39.2″	= 23.0109 d

Gal Lat:
Gal Long:

Sun angle:	142.94°, -9.4 hr East of Sun

¹Sper #6 auto processing.

Stars within 3.33 of XRT position

	RA*	Dec*		Catalogue
24.2	12.6886	23.0165	I=18.7, R1=19.8, R2=19.8	USNO-B1
27.5	12.7009	23.0102	B1=16.2, B2=16.5, I=15.5, R1=15.8, R2=15.9	USNO-B1
27.5	12.7009	23.0102	h=15.0, j=15.3, k=15.1	2MASS
33.0	12.6949	23.0020	B1=20.4, B2=20.5, I=18.5, R1=19.4, R2=19.1	USNO-B1
34.6	12.7004	23.0173	B1=15.5, B2=15.4, I=13.9, R1=14.8, R2=14.5	USNO-B1
35.0	12.7005	23.0173	h=14.0, j=14.3, k=13.9	2MASS
44.1	12.6834	23.0197	h=13.6, j=14.1, k=13.4	2MASS
44.1	12.6834	23.0197	B1=16.6, B2=16.6, I=14.3, R1=15.4, R2=15.2	USNO-B1
49.2	12.6937	23.0245	h=16.4, j=16.5, k=16.7	2MASS
52.8	12.6943	23.0255	B1=17.9, B2=20.2, R1=17.0	USNO-B1
77.5	12.6953	23.0323	B2=20.6, I=18.4, R1=19.7, R2=19.2	USNO-B1
88.4	12.6717	23.0261	B1=20.3, B2=21.0, R2=19.8	USNO-B1
88.5	12.6670	23.0178	I=18.9, R2=19.6	USNO-B1
90.2	12.6741	22.9925	B1=17.3, B2=17.3, I=16.8, R1=17.1, R2=16.8	USNO-B1
90.3	12.6742	22.9924	h=15.8, j=16.3, k=15.4	2MASS
92.5	12.6765	22.9899	B1=17.4, B2=17.5, I=16.1, R1=17.0, R2=16.6	USNO-B1
92.5	12.6765	22.9899	h=15.2, j=15.8, k=15.7	2MASS
96.1	12.6646	23.0178	B1=13.2, B2=12.9, I=11.2, R1=11.9, R2=11.7	USNO-B1
96.2	12.6645	23.0178	h=10.4, j=10.9, k=10.3	2MASS
97.1	12.6802	23.0353	B1=20.5, B2=21.0, I=18.4, R1=19.8, R2=19.6	USNO-B1
100.0	12.6810	22.9853	B1=19.2, B2=18.7, I=17.0, R1=17.9, R2=17.2	USNO-B1
100.2	12.6811	22.9852	h=15.8, j=16.3, k=15.3	2MASS
100.8	12.7205	23.0220	B1=17.7, B2=17.7, I=16.3, R1=17.0, R2=16.4	USNO-B1
100.9	12.7206	23.0220	h=15.2, j=15.6, k=15.0	2MASS
104.2	12.6697	23.0308	h=15.7, j=16.2, k=15.3	2MASS
104.2	12.6697	23.0307	B2=21.0, I=18.0, R1=19.3, R2=19.2	USNO-B1
106.6	12.6613	23.0178	B2=20.4, R2=19.5	USNO-B1
113.2	12.7260	23.0173	h=14.8, j=15.0, k=14.8	2MASS
113.3	12.7261	23.0174	B1=16.0, B2=16.0, I=14.9, R1=15.8, R2=15.4	USNO-B1
114.0	12.6634	22.9942	B1=18.5, I=18.6, R2=20.2	USNO-B1
114.1	12.6632	22.9944	B1=18.0, B2=17.7, I=17.1, R1=17.7, R2=17.0	USNO-B1
116.3	12.6863	23.0427	B2=20.6, I=18.6, R2=19.6	USNO-B1
118.3	12.7265	23.0213	h=11.0, j=11.6, k=10.9	2MASS
118.4	12.7265	23.0213	B1=14.1, B2=14.0, I=11.8, R1=12.8, R2=12.6	USNO-B1
124.4	12.6556	23.0167	B2=20.9, R1=19.7, R2=19.7	USNO-B1
125.9	12.7012	22.9768	B1=15.7, B2=15.8, I=13.9, R1=14.7, R2=14.5	USNO-B1
126.1	12.7012	22.9768	h=13.5, j=13.9, k=13.5	2MASS
129.9	12.7264	23.0291	h=10.8, j=11.1, k=10.8	2MASS
133.5	12.6739	22.9781	B1=16.2, B2=16.2, I=15.3, R1=15.9, R2=15.6	USNO-B1
133.5	12.6738	22.9781	h=15.2, j=15.5, k=15.3	2MASS
134.3	12.6724	23.0433	B2=20.7, R2=19.1	USNO-B1
135.8	12.6541	23.0239	B1=20.2, B2=19.6, I=18.2, R1=18.8, R2=18.6	USNO-B1
137.4	12.6528	23.0216	B1=20.6, B2=19.5, I=17.3, R1=19.1, R2=18.2	USNO-B1
137.6	12.6528	23.0217	h=15.8, j=16.6, k=15.0	2MASS
142.6	12.7355	23.0141	B1=20.3, B2=20.2, I=16.3, R2=18.3	USNO-B1
143.2	12.7357	23.0140	h=15.2, j=15.4, k=15.0	2MASS
146.2	12.6865	23.0511	B2=20.4, I=18.3, R1=19.7, R2=19.7	USNO-B1
147.0	12.6483	23.0123	B1=19.5, B2=19.5, I=19.1, R1=19.6, R2=19.5	USNO-B1
152.3	12.7337	22.9920	B1=20.0, B2=19.3, I=17.8, R1=18.4, R2=18.0	USNO-B1
152.5	12.6707	23.0481	h=15.6, j=16.1, k=15.2	2MASS
152.9	12.6705	23.0482	B1=16.8, B2=16.9, I=16.2, R1=16.7, R2=16.4	USNO-B1
158.8	12.7366	22.9934	B1=14.2, B2=14.2, I=12.1, R1=12.9, R2=12.8	USNO-B1
159.0	12.7367	22.9934	h=11.4, j=11.9, k=11.3	2MASS
161.5	12.7026	22.9670	B2=20.9, R2=20.2	USNO-B1
164.3	12.6582	23.0438	B2=21.1, I=19.1, R2=19.4	USNO-B1
164.6	12.6524	22.9840	B2=21.1, R1=19.8, R2=19.6	USNO-B1
164.8	12.7322	22.9833	B2=20.9, I=18.4, R1=19.8, R2=19.4	USNO-B1
166.4	12.7324	23.0391	B2=20.9, I=18.4, R1=19.6, R2=19.4	USNO-B1
168.0	12.7149	23.0528	h=14.7, j=15.1, k=14.6	2MASS
168.1	12.7149	23.0529	B1=16.2, B2=16.3, I=14.9, R1=15.7, R2=15.4	USNO-B1
169.6	12.6445	22.9949	B1=20.3, B2=20.8, I=17.9, R1=19.3, R2=19.1	USNO-B1
169.9	12.6444	22.9949	h=15.6, j=16.4, k=15.1	2MASS
171.2	12.6417	23.0026	B1=18.7, B2=18.4, I=17.9, R1=18.6, R2=17.8	USNO-B1
176.5	12.7344	23.0412	B1=16.5, B2=16.5, I=14.6, R1=15.5, R2=15.2	USNO-B1
176.5	12.7223	23.0516	I=19.0, R2=20.5	USNO-B1
176.5	12.7345	23.0412	h=13.7, j=14.3, k=13.5	2MASS
178.2	12.7059	22.9629	B1=20.4, B2=20.4, I=18.7, R1=19.1, R2=18.5	USNO-B1
178.6	12.6509	23.0423	h=16.0, j=16.8, k=15.6	2MASS
181.9	12.6394	23.0233	B1=20.1, B2=19.7, I=18.1, R1=19.3, R2=19.1	USNO-B1
185.5	12.6873	23.0622	h=14.2, j=14.8, k=14.1	2MASS
185.8	12.6873	23.0623	B1=20.1, B2=18.9, I=15.7, R1=17.3, R2=16.9	USNO-B1
187.1	12.6419	23.0338	h=12.3, j=12.6, k=12.3	2MASS
187.2	12.6419	23.0338	B1=13.9, B2=13.7, I=12.5, R1=13.0, R2=13.0	USNO-B1
187.7	12.6597	23.0534	B2=20.9, I=19.0, R2=19.5	USNO-B1
191.5	12.6899	23.0640	h=12.8, j=13.5, k=12.7	2MASS
191.5	12.6540	23.0505	B1=17.4, B2=17.4, I=16.0, R1=16.8, R2=16.5	USNO-B1
191.5	12.6899	23.0640	B1=16.3, B2=16.2, I=13.7, R1=14.8, R2=14.6	USNO-B1
191.6	12.6540	23.0505	h=15.6, j=15.9, k=15.3	2MASS
193.1	12.6827	22.9580	B1=20.6, B2=20.4, R2=19.7	USNO-B1
195.1	12.7515	23.0119	B1=18.5, B2=18.2, I=15.7, R1=16.7, R2=16.4	USNO-B1
195.3	12.7515	23.0119	h=14.6, j=15.2, k=14.4	2MASS
197.3	12.6510	22.9717	B2=19.8, I=16.9, R1=18.5, R2=18.5	USNO-B1
197.4	12.6511	22.9716	h=15.2, j=15.7, k=15.1	2MASS
198.6	12.6494	22.9726	B1=20.6, B2=20.1, I=17.6, R1=19.2, R2=18.8	USNO-B1
199.3	12.6494	22.9724	h=15.7, j=16.0, k=15.3	2MASS
200.0	12.7528	23.0070	B1=20.3, R2=19.7	USNO-B1

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.