Swift Trigger: 263361;

Presumed name: GRB 070306

BAT	09^h 52^m 19.68^s, +10° 28′ 15.6″
position:	(148.082, +10.471 ± 180″)
XRT	09^h 52^m 23.52^s, +10° 28′ 57.7″
position:	(148.0980, +10.4827 ± 6.1″)
UVOT	No position available.
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.027 mag

Best RA:	09^h 52^m 23.52^s	= 148.0980 d
Best Dec:	+10° 28′ 57.7″	= +10.4827 d

Gal Lat:
Gal Long:

Sun angle:	not found

Stars within 3.33 of XRT position

	RA*	Dec*		Catalogue
3.8	148.0972	10.4821	I=22.8, R=23.0, g=23.1, u=23.2, z=21.9	SDSS
25.4	148.0957	10.4760	B1=20.5, B2=21.0, R2=20.3	USNO-B1
25.6	148.0958	10.4759	I=20.2, R=20.3, g=20.7, u=21.6, z=20.2	SDSS
25.6	148.0958	10.4759	I=20.1, R=20.3, g=20.7, u=21.7, z=20.1	SDSS
36.0	148.0961	10.4729	I=22.5, R=22.7, g=23.1, u=23.4, z=23.3	SDSS
41.8	148.0990	10.4943	I=18.8, R1=20.2, R2=19.4	USNO-B1
42.3	148.1016	10.4939	I=21.5, R=21.4, g=22.4, u=23.5, z=21.2	SDSS
43.3	148.0981	10.4947	I=19.4, R=19.8, g=20.9, u=23.0, z=19.2	SDSS
43.5	148.0981	10.4948	B1=20.6, B2=21.5, I=18.9, R1=19.7, R2=19.8	USNO-B1
43.9	148.1008	10.4708	B1=20.5, B2=20.8, R1=19.7, R2=19.6	USNO-B1
44.2	148.0870	10.4884	I=22.0, R=23.1, g=23.6, u=23.0, z=22.9	SDSS
51.1	148.0855	10.4757	I=20.6, R=21.8, g=22.8, u=25.7, z=20.0	SDSS
51.1	148.0855	10.4756	I=20.6, R=21.9, g=23.5, u=24.9, z=20.2	SDSS
55.7	148.0840	10.4755	I=23.8, R=24.9, g=25.5, u=23.6, z=20.7	SDSS
61.3	148.1020	10.4993	I=21.8, R=22.9, g=24.0, u=25.0, z=20.7	SDSS
64.0	148.1138	10.4914	I=18.3, R=19.0, g=20.4, u=22.8, z=17.9	SDSS
64.2	148.1138	10.4914	h=16.0, j=16.5, k=15.2	2MASS
64.9	148.1162	10.4808	I=22.0, R=23.0, g=24.0, u=23.4, z=21.0	SDSS
65.1	148.1163	10.4808	I=21.8, R=22.9, g=23.7, u=24.7, z=21.3	SDSS
65.3	148.0807	10.4889	I=18.1, R=18.4, g=19.0, u=20.4, z=18.0	SDSS
65.5	148.1156	10.4883	I=20.8, R=20.9, g=21.4, u=22.3, z=21.2	SDSS
65.5	148.0806	10.4890	B1=19.6, B2=19.2, I=18.1, R1=18.6, R2=18.0	USNO-B1
66.0	148.1055	10.4995	I=20.2, R=21.2, g=22.6, u=24.5, z=19.5	SDSS
67.3	148.1163	10.4878	B2=21.8, R1=20.5, R2=20.8	USNO-B1
68.1	148.0962	10.5015	I=24.6, R=24.0, g=24.8, u=22.2, z=23.2	SDSS
68.5	148.1173	10.4809	I=23.7, R=25.6, g=25.2, u=23.9, z=20.5	SDSS
68.5	148.1127	10.4703	I=24.4, R=22.9, g=23.1, u=23.8, z=23.7	SDSS
69.6	148.1024	10.4639	B2=20.9, I=18.8, R1=18.8, R2=19.8	USNO-B1
71.5	148.0783	10.4873	I=17.8, R=18.0, g=18.2, u=19.1, z=17.8	SDSS
71.8	148.0935	10.4633	I=22.2, R=23.7, g=25.6, u=23.9, z=23.7	SDSS
71.9	148.0783	10.4874	B1=18.4, B2=18.0, I=17.9, R1=17.7, R2=17.5	USNO-B1
72.5	148.0810	10.4940	B2=21.7, I=19.3, R2=20.1	USNO-B1
72.5	148.0810	10.4939	I=19.7, R=20.5, g=21.8, u=24.9, z=19.1	SDSS
72.6	148.1108	10.4670	B1=20.2, B2=19.6, I=18.9, R1=18.9, R2=18.7	USNO-B1
72.8	148.1108	10.4669	I=18.8, R=19.0, g=19.5, u=20.7, z=18.7	SDSS
77.9	148.0926	10.5037	I=19.9, R=21.6, g=23.1, u=23.1, z=19.1	SDSS
78.1	148.1026	10.4615	B1=20.6, B2=21.3, R2=19.1	USNO-B1
82.6	148.0761	10.4749	I=22.0, R=22.9, g=24.0, u=22.4, z=22.7	SDSS
88.8	148.0849	10.5038	B2=21.2, I=19.0, R1=19.6, R2=19.4	USNO-B1
89.0	148.1035	10.4586	I=22.0, R=22.4, g=24.0, u=25.2, z=21.3	SDSS
97.7	148.0908	10.4565	I=21.0, R=21.2, g=21.9, u=23.2, z=21.1	SDSS
99.2	148.1165	10.4620	B1=17.0, B2=16.6, I=15.1, R1=15.5, R2=15.7	USNO-B1
99.3	148.1166	10.4620	h=13.7, j=14.2, k=13.6	2MASS
99.3	148.1165	10.4620	I=15.4, R=15.7, g=16.5, u=18.7, z=15.2	SDSS
100.6	148.0720	10.4714	I=21.8, R=24.4, g=25.8, u=24.6, z=22.9	SDSS
101.5	148.0706	10.4908	I=18.8, R=19.9, g=21.3, u=22.4, z=18.3	SDSS
101.6	148.0705	10.4908	B2=21.4, I=18.7, R1=19.6, R2=19.3	USNO-B1
101.9	148.1262	10.4771	B2=21.2, R2=20.4	USNO-B1
105.8	148.1046	10.4540	I=21.6, R=22.6, g=24.8, u=23.1, z=20.6	SDSS
106.1	148.0727	10.4985	I=25.4, R=24.6, g=24.6, u=22.2, z=22.9	SDSS
109.0	148.0936	10.5127	I=20.1, R=21.7, g=23.0, u=24.4, z=19.3	SDSS
109.2	148.1044	10.5124	I=21.3, R=21.7, g=22.7, u=24.4, z=20.9	SDSS
111.2	148.0804	10.5083	I=23.6, R=22.8, g=24.4, u=22.8, z=23.4	SDSS
112.5	148.1278	10.4936	B1=20.7, B2=21.4, I=18.9, R2=20.1	USNO-B1
115.2	148.1300	10.4772	B2=21.1, R2=19.6	USNO-B1
115.2	148.1298	10.4895	B1=20.4, B2=19.6, I=18.8, R1=19.7, R2=19.4	USNO-B1
116.1	148.0922	10.5144	B2=20.9, R1=19.2, R2=20.1	USNO-B1
116.3	148.1303	10.4767	B2=19.7, R1=19.5, R2=19.6	USNO-B1
118.2	148.1264	10.4654	h=13.7, j=14.4, k=13.4	2MASS
118.4	148.1265	10.4655	B1=19.8, B2=18.9, I=15.7, R1=16.9, R2=17.0	USNO-B1
118.4	148.1265	10.4654	I=16.3, R=17.3, g=18.8, u=21.1, z=15.7	SDSS
119.2	148.0838	10.5127	I=24.4, R=25.3, g=26.0, u=22.2, z=22.5	SDSS
121.1	148.0666	10.4695	I=20.6, R=21.8, g=23.3, u=25.5, z=20.0	SDSS
121.2	148.0894	10.5153	I=22.1, R=22.8, g=23.5, u=23.9, z=21.0	SDSS
121.2	148.1308	10.4729	B2=19.9, I=19.1, R2=19.9	USNO-B1
123.6	148.0703	10.4617	I=22.7, R=22.7, g=24.2, u=25.3, z=22.6	SDSS
123.7	148.1324	10.4765	I=20.8, R=20.9, g=21.2, u=21.6, z=20.7	SDSS
123.7	148.1324	10.4765	I=20.8, R=20.9, g=21.2, u=22.1, z=21.0	SDSS
128.8	148.1182	10.5124	I=15.7, R=15.9, g=16.4, u=17.8, z=15.7	SDSS
128.9	148.1183	10.5124	h=14.5, j=14.7, k=14.3	2MASS
128.9	148.1183	10.5124	B1=16.7, B2=16.4, I=15.4, R1=15.8, R2=15.9	USNO-B1
129.6	148.1116	10.5161	h=15.6, j=16.0, k=15.6	2MASS
129.7	148.1116	10.5162	I=17.2, R=17.5, g=18.1, u=19.7, z=17.1	SDSS
129.9	148.1116	10.5162	B1=18.8, B2=18.1, I=17.4, R1=17.1, R2=17.4	USNO-B1
130.7	148.0654	10.4998	h=14.0, j=14.2, k=13.8	2MASS
130.8	148.0654	10.4998	I=15.1, R=15.2, g=15.5, u=16.7, z=15.0	SDSS
130.9	148.0654	10.4998	B1=16.0, B2=15.6, I=14.7, R1=15.2, R2=15.0	USNO-B1
131.1	148.1102	10.4483	I=23.1, R=22.4, g=24.1, u=26.2, z=23.3	SDSS
131.5	148.0824	10.5158	B1=20.6, R2=20.6	USNO-B1
133.4	148.0771	10.4519	R1=20.3, R2=20.1	USNO-B1
133.5	148.1252	10.4570	I=21.7, R=22.2, g=24.5, u=24.0, z=21.2	SDSS
135.8	148.0771	10.4511	B2=20.4, I=18.1, R1=19.3, R2=19.1	USNO-B1
140.4	148.0905	10.5210	I=22.2, R=23.6, g=24.6, u=24.6, z=21.3	SDSS
141.4	148.1341	10.4659	B1=19.4, B2=19.0, I=17.7, R1=18.1, R2=17.5	USNO-B1
141.5	148.1341	10.4658	I=17.6, R=17.9, g=18.8, u=21.1, z=17.4	SDSS
141.9	148.1341	10.4655	h=15.5, j=16.3, k=15.8	2MASS
142.8	148.1376	10.4752	h=14.8, j=15.4, k=14.5	2MASS
142.9	148.1376	10.4753	B1=18.9, B2=18.2, I=16.4, R1=16.8, R2=16.5	USNO-B1
143.0	148.1377	10.4752	I=16.7, R=17.1, g=18.1, u=20.5, z=16.5	SDSS
143.0	148.1377	10.4752	I=16.7, R=17.1, g=18.2, u=20.4, z=16.5	SDSS
144.0	148.0744	10.5153	I=21.2, R=22.0, g=25.6, u=24.6, z=20.6	SDSS
145.2	148.0574	10.4771	B2=21.2, R1=19.4, R2=20.6	USNO-B1
146.1	148.1244	10.5139	I=24.3, R=22.7, g=25.4, u=25.2, z=23.1	SDSS
147.1	148.1385	10.4918	I=22.5, R=23.2, g=23.3, u=24.4, z=21.9	SDSS
150.1	148.0569	10.4725	I=19.6, R=19.8, g=20.5, u=21.8, z=19.5	SDSS
150.2	148.0569	10.4725	I=19.6, R=19.8, g=20.5, u=21.9, z=19.5	SDSS
150.2	148.0568	10.4725	B2=20.6, I=19.0, R1=19.4, R2=19.6	USNO-B1
150.7	148.1208	10.5181	I=20.7, R=20.9, g=21.4, u=22.4, z=20.8	SDSS
150.9	148.1208	10.5181	B1=20.6, B2=21.1, R2=20.6	USNO-B1
153.2	148.1311	10.4553	I=22.1, R=23.0, g=23.8, u=24.8, z=22.3	SDSS
156.1	148.0539	10.4828	B1=19.4, B2=17.4, I=17.9, R1=18.2, R2=17.6	USNO-B1
156.3	148.0706	10.5167	B2=21.4, R2=19.9	USNO-B1
157.2	148.1337	10.4567	B1=20.7, R1=20.2	USNO-B1
158.7	148.0532	10.4825	B1=20.5, I=18.3, R1=19.2, R2=18.4	USNO-B1
159.1	148.0531	10.4827	I=18.9, R1=19.4, R2=17.7	USNO-B1
162.8	148.0577	10.5045	I=21.8, R=22.2, g=23.7, u=24.4, z=21.2	SDSS
166.8	148.0531	10.4687	I=22.5, R=22.5, g=23.9, u=24.5, z=21.3	SDSS
167.4	148.1378	10.5077	I=18.1, R1=20.1	USNO-B1
167.8	148.0778	10.4405	I=20.1, R=21.2, g=22.6, u=25.9, z=19.5	SDSS
168.8	148.1056	10.5290	I=17.3, R=17.4, g=17.8, u=19.0, z=17.2	SDSS
168.9	148.1457	10.4815	I=22.4, R=23.1, g=23.1, u=24.2, z=22.6	SDSS
168.9	148.1057	10.5290	B1=18.2, B2=17.5, I=17.4, R1=17.3, R2=17.1	USNO-B1
169.1	148.1058	10.5290	h=16.1, j=16.5, k=15.7	2MASS
170.2	148.1128	10.5277	I=21.3, R=22.5, g=24.2, u=23.6, z=20.9	SDSS
170.3	148.0898	10.4361	B1=20.7, B2=21.1, I=19.0, R1=19.6, R2=19.8	USNO-B1
170.5	148.0899	10.4360	I=19.4, R=19.9, g=20.8, u=23.2, z=19.2	SDSS
172.8	148.0499	10.4909	I=21.5, R=23.4, g=24.0, u=25.2, z=20.4	SDSS
173.5	148.1343	10.5151	I=24.8, R=22.3, g=24.7, u=26.1, z=21.9	SDSS
174.4	148.1024	10.5310	B1=20.4, B2=20.3, I=18.4, R2=19.4	USNO-B1
174.7	148.0492	10.4902	B1=20.7, I=19.1	USNO-B1
174.9	148.1178	10.5272	I=24.2, R=24.4, g=23.3, u=24.6, z=23.8	SDSS
176.0	148.0741	10.5256	I=22.1, R=22.6, g=24.8, u=24.9, z=21.0	SDSS
176.8	148.0638	10.5185	I=18.1, R=18.8, g=20.1, u=22.2, z=17.8	SDSS
176.9	148.0638	10.5185	B2=19.9, I=17.8, R1=18.8, R2=18.5	USNO-B1
179.4	148.0574	10.4529	R1=19.3, R2=20.5	USNO-B1
182.8	148.0737	10.5275	I=22.1, R=22.2, g=22.8, u=22.4, z=21.9	SDSS
183.1	148.0831	10.5314	I=21.1, R=21.2, g=21.9, u=22.8, z=21.0	SDSS
183.2	148.0484	10.4683	I=22.2, R=23.2, g=24.0, u=23.1, z=22.0	SDSS
183.2	148.0828	10.5313	B2=21.7, I=18.3	USNO-B1
183.8	148.1171	10.4352	B2=20.2, I=17.1, R1=18.3, R2=18.0	USNO-B1
183.9	148.1336	10.4455	I=20.7, R=21.7, g=23.8, u=24.0, z=19.9	SDSS
183.9	148.1171	10.4352	h=15.0, j=15.6, k=14.9	2MASS
184.0	148.1171	10.4351	I=17.5, R=18.6, g=19.9, u=22.6, z=16.9	SDSS
184.2	148.0869	10.4327	I=22.7, R=22.6, g=24.3, u=24.4, z=22.2	SDSS
184.4	148.0537	10.4558	I=18.1, R1=19.2, R2=20.2	USNO-B1
185.1	148.1295	10.4417	I=21.2, R=21.8, g=24.0, u=25.1, z=20.6	SDSS
185.5	148.0642	10.4433	B2=21.4, I=18.9, R1=19.9, R2=19.4	USNO-B1
185.8	148.0644	10.4430	B2=21.4, R2=20.0	USNO-B1
188.6	148.1349	10.4449	I=22.0, R=23.4, g=24.0, u=25.8, z=21.4	SDSS
188.8	148.0977	10.4303	I=19.3, R=20.1, g=21.5, u=23.9, z=18.9	SDSS
189.6	148.1171	10.5319	I=20.5, R=21.9, g=23.3, u=23.6, z=19.8	SDSS
189.8	148.1506	10.4724	I=24.6, R=25.3, g=25.2, u=22.2, z=22.2	SDSS
190.0	148.0508	10.4576	I=19.3, R1=20.3	USNO-B1
190.1	148.1093	10.4311	B2=21.2, I=18.7, R1=19.0, R2=19.9	USNO-B1
190.2	148.0445	10.4779	B1=20.7, B2=20.5, R1=19.9, R2=20.0	USNO-B1
190.2	148.0445	10.4779	I=20.2, R=20.3, g=20.6, u=21.6, z=20.1	SDSS
190.5	148.0531	10.4536	B2=21.7, R1=19.9, R2=20.0	USNO-B1
190.6	148.0467	10.4666	I=18.7, R2=19.9	USNO-B1
190.9	148.0862	10.4309	R1=20.1, R2=19.6	USNO-B1
191.9	148.0483	10.5041	I=24.4, R=22.6, g=24.0, u=25.1, z=22.2	SDSS
192.3	148.0577	10.5186	I=18.9, R=19.3, g=20.4, u=22.2, z=18.7	SDSS
192.6	148.0577	10.5186	B2=20.6, I=18.8, R1=19.8, R2=19.2	USNO-B1
194.9	148.0456	10.4661	B1=20.5, B2=20.2, I=19.0, R1=19.2, R2=19.3	USNO-B1
195.3	148.1528	10.4767	I=19.3, R=19.8, g=21.3, u=22.9, z=18.9	SDSS
195.3	148.1528	10.4768	I=19.3, R=19.9, g=21.3, u=24.9, z=19.0	SDSS
195.3	148.0578	10.4456	I=22.2, R=23.4, g=25.4, u=26.3, z=21.8	SDSS
198.7	148.1463	10.5107	I=19.9, R=21.2, g=22.5, u=24.9, z=19.1	SDSS
199.1	148.1542	10.4842	B2=20.7, R1=20.4, R2=20.4	USNO-B1
199.7	148.0933	10.4274	I=20.4, R=20.4, g=20.7, u=21.5, z=20.2	SDSS
199.8	148.0932	10.4274	B2=20.9, R1=19.4, R2=19.9	USNO-B1
199.9	148.1317	10.4381	B1=20.7, I=18.9, R1=19.9	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.