Swift Trigger: 429954;

Presumed name: GRB 100725A

BAT	11^h 06^m 03.60^s, -26° 41′ 15.4″
position:	(166.515, -26.6876 ± 180″)
XRT	11^h 05^m 55.58^s, -26° 40′ 13.1″
position:	(166.4816, -26.6703 ± 2.3″)
UVOT	No position available.
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.054 mag

Best RA:	11^h 05^m 55.58^s	= 166.4816 d
Best Dec:	-26° 40′ 13.1″	= -26.6703 d

Gal Lat:
Gal Long:

Sun angle:	not found

Stars within 3.33 of XRT position

	RA*	Dec*		Catalogue
12.3	166.4795	-26.6674	B1=18.5, B2=18.2, I=17.3, R1=17.6, R2=17.5	USNO-B1
12.4	166.4794	-26.6675	h=16.5, j=16.7, k=15.6	2MASS
31.6	166.4802	-26.6616	h=14.5, j=15.0, k=14.3	2MASS
31.6	166.4803	-26.6616	B1=19.7, B2=19.0, I=16.3, R1=17.2, R2=17.0	USNO-B1
51.9	166.4659	-26.6670	B1=20.0, B2=19.0, I=16.9, R1=17.6, R2=17.3	USNO-B1
52.1	166.4658	-26.6670	h=15.0, j=15.8, k=14.7	2MASS
57.7	166.4717	-26.6837	h=15.9, j=18.4, k=16.6	2MASS
65.5	166.4767	-26.6527	h=15.3, j=15.9, k=15.0	2MASS
65.7	166.4770	-26.6525	B1=18.4, R1=15.6, R2=16.2	USNO-B1
66.8	166.4773	-26.6522	B1=17.2, B2=18.0, I=15.5, R1=16.0	USNO-B1
68.5	166.4797	-26.6514	h=15.5, j=16.5, k=14.9	2MASS
69.2	166.4783	-26.6513	h=14.1, j=14.6, k=14.0	2MASS
69.9	166.5031	-26.6730	h=15.6, j=16.2, k=15.3	2MASS
70.0	166.5032	-26.6728	B2=19.8, I=17.4, R1=18.2, R2=18.3	USNO-B1
71.7	166.4599	-26.6747	B1=19.7, B2=19.2, I=17.4, R1=17.7, R2=18.0	USNO-B1
72.3	166.4597	-26.6749	h=15.6, j=16.0, k=15.6	2MASS
79.9	166.5061	-26.6668	h=13.8, j=14.2, k=13.8	2MASS
80.2	166.5062	-26.6668	B1=16.1, B2=16.3, I=14.8, R1=15.0, R2=15.1	USNO-B1
80.7	166.4566	-26.6683	B2=21.0, I=18.4, R1=18.8, R2=19.1	USNO-B1
82.6	166.4774	-26.6929	B2=20.0, R1=18.4, R2=19.4	USNO-B1
83.9	166.4819	-26.6470	B1=18.3, B2=18.2, I=17.1, R1=17.0, R2=17.3	USNO-B1
84.1	166.4816	-26.6469	h=15.8, j=16.5, k=15.4	2MASS
84.6	166.4993	-26.6877	B2=21.1, R2=19.6	USNO-B1
85.5	166.4827	-26.6940	B2=20.9, I=18.7, R2=17.8	USNO-B1
85.7	166.4921	-26.6922	B1=16.9, B2=17.2, I=15.7, R1=15.9, R2=15.8	USNO-B1
85.8	166.4921	-26.6922	h=14.4, j=14.9, k=14.5	2MASS
87.5	166.4707	-26.6926	B1=18.7, B2=18.5, I=17.6, R1=17.8, R2=18.0	USNO-B1
91.9	166.5095	-26.6759	B2=21.1, I=18.4, R1=19.2, R2=19.5	USNO-B1
92.4	166.5089	-26.6624	B2=19.7, I=18.1, R1=18.8, R2=18.7	USNO-B1
92.6	166.5104	-26.6697	B1=20.1, B2=20.3, R2=19.6	USNO-B1
92.9	166.4613	-26.6520	B2=20.3, I=18.4, R1=19.2, R2=19.3	USNO-B1
100.3	166.4526	-26.6806	B1=20.0, I=18.8, R2=19.6	USNO-B1
102.3	166.4895	-26.6428	B1=20.0, B2=19.4, I=17.6, R1=18.2, R2=18.4	USNO-B1
102.4	166.5131	-26.6661	B1=18.1, B2=18.1, I=17.2, R1=17.1, R2=17.2	USNO-B1
102.4	166.4894	-26.6427	h=16.1, j=16.6, k=15.8	2MASS
102.7	166.5132	-26.6662	h=16.0, j=16.6, k=15.6	2MASS
103.3	166.4743	-26.6982	B1=17.1, B2=17.2, I=16.0, R1=16.4, R2=16.2	USNO-B1
103.5	166.4742	-26.6983	h=15.2, j=15.5, k=15.2	2MASS
108.6	166.4756	-26.7000	h=16.1, j=16.6, k=15.4	2MASS
113.4	166.5036	-26.6949	h=15.4, j=15.9, k=15.4	2MASS
113.5	166.5037	-26.6949	B1=17.8, B2=17.8, I=16.7, R1=16.8, R2=16.7	USNO-B1
113.6	166.5104	-26.6886	B2=19.6, I=17.7, R1=18.2, R2=18.4	USNO-B1
120.9	166.5175	-26.6802	B2=21.1, I=19.0, R2=19.4	USNO-B1
121.7	166.5120	-26.6905	R1=19.3, R2=19.8	USNO-B1
132.2	166.4876	-26.7066	h=16.5, j=16.3, k=16.9	2MASS
132.2	166.4413	-26.6631	B2=20.5, R1=19.3, R2=19.6	USNO-B1
132.5	166.4876	-26.7067	B1=19.0, B2=18.7, I=17.5, R1=18.2, R2=17.9	USNO-B1
133.2	166.4637	-26.7037	B1=20.1, B2=20.8	USNO-B1
133.7	166.5160	-26.6495	B2=20.6, R2=19.5	USNO-B1
134.0	166.5144	-26.6932	h=14.5, j=15.2, k=14.4	2MASS
135.6	166.5202	-26.6552	B2=20.1, I=18.2, R1=18.9, R2=18.5	USNO-B1
136.5	166.4760	-26.7079	B1=18.7, B2=18.2, I=17.4, R1=17.4, R2=17.3	USNO-B1
136.7	166.5162	-26.6482	B2=20.9, R2=19.3	USNO-B1
136.8	166.4760	-26.7080	h=16.0, j=16.5, k=16.2	2MASS
137.5	166.5162	-26.6479	B2=20.9, R2=19.2	USNO-B1
139.3	166.4423	-26.6865	B1=20.1, B2=21.0	USNO-B1
143.7	166.5094	-26.6391	B2=17.9, I=18.4, R2=19.4	USNO-B1
145.5	166.5164	-26.6444	B1=17.7, B2=17.1, I=16.3, R1=16.2, R2=16.4	USNO-B1
148.1	166.4743	-26.6297	B1=19.2, B2=19.0, R1=19.0	USNO-B1
150.4	166.5107	-26.6376	B2=18.3, I=17.4, R1=19.3, R2=19.2	USNO-B1
150.8	166.4744	-26.6289	B1=20.1, B2=19.9, R2=18.9	USNO-B1
151.9	166.4662	-26.7102	B2=20.7, I=18.7, R1=19.1, R2=19.1	USNO-B1
154.5	166.4406	-26.6927	B1=17.8, B2=17.8, I=16.8, R1=16.9, R2=16.9	USNO-B1
154.7	166.4406	-26.6927	h=15.6, j=15.9, k=15.6	2MASS
154.7	166.5048	-26.6326	h=15.5, j=16.3, k=15.6	2MASS
155.1	166.5050	-26.6326	B1=19.9, B2=19.0, I=17.4, R1=17.8, R2=17.6	USNO-B1
156.3	166.4721	-26.7129	B2=19.7, I=17.5, R1=18.1, R2=18.4	USNO-B1
156.5	166.4720	-26.7129	h=15.8, j=16.9, k=16.5	2MASS
157.9	166.5161	-26.6391	h=9.0, j=9.2, k=8.9	2MASS
161.8	166.4736	-26.6259	B2=17.4, I=18.0, R1=18.7	USNO-B1
162.5	166.4734	-26.6258	B1=19.2, I=18.2, R1=18.1, R2=17.3	USNO-B1
163.2	166.4449	-26.7016	B1=20.1, R1=19.5	USNO-B1
164.5	166.4584	-26.7110	B1=20.1, B2=19.3, I=17.6, R1=18.3, R2=18.3	USNO-B1
164.7	166.4924	-26.6256	h=15.4, j=15.9, k=15.1	2MASS
164.8	166.4582	-26.7110	h=15.8, j=16.7, k=15.5	2MASS
165.0	166.4925	-26.6255	B1=17.3, B2=17.7, I=16.5, R1=16.5, R2=16.5	USNO-B1
165.9	166.5331	-26.6689	B2=20.6, I=18.5, R1=19.1, R2=19.0	USNO-B1
166.0	166.4302	-26.6665	I=18.6, R1=17.9	USNO-B1
166.9	166.5221	-26.6992	B1=19.2, B2=18.7, I=17.8, R1=18.0, R2=17.9	USNO-B1
168.6	166.5199	-26.6384	B2=15.8, R1=17.9	USNO-B1
168.9	166.5161	-26.6349	R1=18.2, R2=18.5	USNO-B1
169.7	166.4726	-26.6239	B1=20.1, B2=18.7, I=18.5, R1=18.9, R2=17.8	USNO-B1
169.7	166.5195	-26.6375	h=15.4, j=16.1, k=15.4	2MASS
173.4	166.5226	-26.6390	B2=18.5, R2=18.7	USNO-B1
174.0	166.5352	-26.6765	B2=20.8, R2=19.6	USNO-B1
174.3	166.5349	-26.6789	h=11.4, j=11.8, k=11.3	2MASS
174.5	166.5350	-26.6789	B1=14.7, B2=14.7, I=12.9, R1=13.3, R2=13.2	USNO-B1
177.0	166.4391	-26.7016	B2=20.1, I=18.2, R1=18.3, R2=18.6	USNO-B1
177.1	166.4527	-26.6284	B1=20.1, B2=21.0, R2=19.5	USNO-B1
179.9	166.5161	-26.6310	B2=19.9, R2=19.2	USNO-B1
179.9	166.5164	-26.6312	B1=20.1, B2=18.4, R2=19.1	USNO-B1
180.4	166.5356	-26.6569	B1=20.1, B2=20.7	USNO-B1
181.0	166.4372	-26.7012	h=16.0, j=16.6, k=15.1	2MASS
181.9	166.4367	-26.7011	B1=18.2, B2=18.3, I=16.3, R2=16.5	USNO-B1
183.0	166.4364	-26.7011	B1=17.6, I=16.1, R1=15.1	USNO-B1
185.2	166.4864	-26.6190	B2=21.1, R1=19.2, R2=19.6	USNO-B1
185.4	166.4350	-26.7006	B2=17.0, I=13.7, R2=15.3	USNO-B1
185.6	166.4350	-26.7007	h=11.7, j=12.3, k=11.4	2MASS
186.4	166.5341	-26.6484	B2=21.0, R2=19.8	USNO-B1
186.9	166.4398	-26.7063	h=16.2, j=16.5, k=15.3	2MASS
186.9	166.4398	-26.7063	B1=18.4, B2=18.3, I=17.3, R1=17.6, R2=17.4	USNO-B1
188.3	166.5056	-26.7180	B1=17.1, B2=17.3, I=15.7, R1=15.8, R2=15.8	USNO-B1
188.5	166.5055	-26.7181	h=14.3, j=14.8, k=14.1	2MASS
188.9	166.5355	-26.6911	h=15.0, j=15.6, k=15.2	2MASS
188.9	166.4423	-26.7093	B1=20.1, B2=21.1, R2=19.8	USNO-B1
188.9	166.5356	-26.6910	B1=18.5, B2=18.3, I=16.6, R1=16.6, R2=16.7	USNO-B1
190.3	166.4817	-26.6174	B1=19.6, B2=21.1	USNO-B1
191.9	166.5392	-26.6840	B1=19.9, B2=18.4, I=16.7, R2=16.9	USNO-B1
192.0	166.4503	-26.7157	R1=19.4, R2=19.7	USNO-B1
192.1	166.5393	-26.6841	h=15.1, j=15.6, k=15.3	2MASS
194.0	166.5387	-26.6530	B2=20.5, R1=19.4, R2=19.5	USNO-B1
194.9	166.5044	-26.6201	B2=20.7, I=18.4, R2=19.7	USNO-B1
196.3	166.4396	-26.6308	B1=17.9, B2=17.9, I=16.9, R1=16.9, R2=17.0	USNO-B1
196.5	166.4394	-26.6308	h=15.8, j=16.3, k=15.5	2MASS
197.6	166.4754	-26.6157	B1=13.9, B2=13.4, I=12.6, R1=13.1, R2=12.9	USNO-B1
197.7	166.4754	-26.6157	h=11.5, j=11.7, k=11.4	2MASS
197.8	166.4204	-26.6651	B1=20.1, B2=20.4, I=18.8, R1=19.2, R2=19.3	USNO-B1
199.1	166.4301	-26.7010	B1=20.1, B2=19.9, I=17.2, R1=18.4, R2=18.5	USNO-B1
199.2	166.4709	-26.7248	B2=21.1, R1=19.5, R2=19.6	USNO-B1
199.9	166.4299	-26.7011	h=15.3, j=16.1, k=15.2	2MASS

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.