Swift Trigger: 275119;

Presumed name: GRB 070412

BAT	12^h 06^m 01.20^s, +40° 06′ 03.6″
position:	(181.505, 40.101 ± 180″)
XRT	12^h 06^m 10.13^s, +40° 08′ 33.0″
position:	(181.5422, 40.1425 ± 5.8″)
UVOT	No position available.
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.023 mag

Best RA:	12^h 06^m 10.13^s	= 181.5422 d
Best Dec:	+40° 08′ 33.0″	= 40.1425 d

Gal Lat:
Gal Long:

Sun angle:	not found

Stars within 3.33 of XRT position

	RA*	Dec*		Catalogue
21.0	181.5392	40.1479	B1=18.3, B2=19.4, R1=17.7, R2=17.2	USNO-B1
24.7	181.5411	40.1493	I=22.6, R=24.8, g=25.1, u=24.6, z=23.3	SDSS
25.3	181.5418	40.1355	I=25.6, R=25.4, g=26.1, u=21.7, z=23.6	SDSS
26.4	181.5358	40.1479	B1=18.3, B2=18.6, I=16.6, R1=17.5	USNO-B1
26.7	181.5372	40.1489	B1=18.4, B2=18.8, I=16.8, R2=16.7	USNO-B1
27.2	181.5437	40.1500	I=22.6, R=22.8, g=23.1, u=24.4, z=21.4	SDSS
27.4	181.5351	40.1478	B2=19.0, R1=17.3	USNO-B1
34.8	181.5315	40.1477	B2=19.2, R1=17.0	USNO-B1
35.0	181.5537	40.1383	I=19.8, R=21.0, g=22.5, u=24.7, z=19.2	SDSS
35.3	181.5537	40.1382	I=18.8, R2=20.4	USNO-B1
35.4	181.5446	40.1522	B2=20.6, R1=20.1, R2=20.5	USNO-B1
36.9	181.5313	40.1485	I=16.3, R1=17.0	USNO-B1
39.6	181.5327	40.1508	B1=11.3, B2=10.0, I=8.7, R1=9.6, R2=8.9	USNO-B1
39.8	181.5326	40.1508	h=12.5, j=13.2, k=12.2	2MASS
40.7	181.5391	40.1536	I=24.3, R=24.8, g=25.1, u=24.6, z=21.2	SDSS
42.1	181.5357	40.1531	R1=17.4, R2=15.6	USNO-B1
43.1	181.5438	40.1306	I=21.9, R=22.2, g=22.8, u=25.2, z=21.7	SDSS
43.4	181.5339	40.1527	B2=18.6, I=15.6, R2=16.3	USNO-B1
45.8	181.5345	40.1538	R1=17.3, R2=16.9	USNO-B1
45.8	181.5536	40.1517	I=24.5, R=25.9, g=26.3, u=22.1, z=23.9	SDSS
46.7	181.5348	40.1542	I=24.4, R=24.8, g=23.7, u=22.3, z=23.3	SDSS
47.0	181.5287	40.1505	B1=18.1, B2=18.4, R2=17.1	USNO-B1
47.9	181.5311	40.1322	I=22.2, R=23.1, g=23.7, u=25.3, z=21.6	SDSS
49.7	181.5267	40.1354	B1=17.0, B2=17.6, I=14.8, R1=15.6, R2=15.7	USNO-B1
49.9	181.5267	40.1354	h=13.8, j=14.4, k=13.7	2MASS
50.1	181.5266	40.1353	I=15.6, R=16.0, g=16.9, u=19.0, z=15.5	SDSS
50.5	181.5290	40.1523	B1=18.1, I=15.7	USNO-B1
51.2	181.5559	40.1329	B1=18.5, R1=19.3	USNO-B1
51.5	181.5562	40.1330	B1=18.8, B2=18.5, I=17.2, R1=18.5, R2=16.8	USNO-B1
53.6	181.5384	40.1571	I=23.3, R=22.7, g=25.0, u=25.7, z=21.9	SDSS
55.8	181.5284	40.1539	B1=19.1, B2=19.1, I=17.0, R2=17.3	USNO-B1
56.8	181.5565	40.1311	I=21.5, R=22.8, g=24.2, u=26.9, z=21.3	SDSS
57.6	181.5215	40.1401	I=20.6, R=21.7, g=23.6, u=23.2, z=20.4	SDSS
58.5	181.5466	40.1584	I=22.2, R=23.2, g=25.1, u=24.7, z=21.3	SDSS
60.6	181.5208	40.1386	I=20.2, R=20.6, g=21.3, u=22.4, z=20.0	SDSS
63.1	181.5256	40.1546	B1=17.8, B2=19.7, R2=17.4	USNO-B1
64.4	181.5246	40.1543	B1=20.1, B2=19.9	USNO-B1
65.3	181.5417	40.1606	I=22.5, R=23.1, g=22.8, u=24.0, z=23.3	SDSS
68.7	181.5489	40.1609	I=20.0, R=21.5, g=23.3, u=25.3, z=19.2	SDSS
68.9	181.5195	40.1506	B1=20.0, B2=20.8, I=15.9, R1=18.1, R2=18.0	USNO-B1
68.9	181.5195	40.1506	h=14.1, j=14.7, k=13.8	2MASS
69.1	181.5194	40.1505	I=17.0, R=18.5, g=19.9, u=21.8, z=16.2	SDSS
71.8	181.5677	40.1465	I=23.7, R=23.5, g=26.1, u=21.6, z=23.3	SDSS
76.9	181.5154	40.1485	I=22.3, R=25.3, g=24.8, u=26.5, z=22.7	SDSS
80.9	181.5582	40.1613	B2=20.6, R1=20.3, R2=20.4	USNO-B1
86.8	181.5281	40.1209	h=15.9, j=16.5, k=15.2	2MASS
89.5	181.5180	40.1591	B2=20.3, R1=20.1, R2=20.4	USNO-B1
90.1	181.5109	40.1498	I=20.9, R=21.2, g=22.1, u=22.9, z=21.2	SDSS
94.3	181.5483	40.1683	I=24.7, R=25.1, g=26.1, u=26.0, z=20.5	SDSS
95.0	181.5091	40.1501	B1=17.8, B2=18.7, I=17.2, R1=17.4, R2=17.4	USNO-B1
95.2	181.5090	40.1500	I=17.5, R=17.6, g=18.0, u=19.2, z=17.5	SDSS
95.3	181.5090	40.1501	h=16.4, j=16.5, k=16.8	2MASS
95.8	181.5194	40.1224	B1=20.2, B2=21.0, I=18.8, R1=19.9, R2=19.9	USNO-B1
97.9	181.5630	40.1646	I=24.7, R=24.6, g=26.0, u=22.5, z=22.5	SDSS
99.1	181.5281	40.1172	I=22.0, R=22.4, g=23.4, u=23.3, z=23.9	SDSS
100.7	181.5768	40.1517	I=23.6, R=24.4, g=26.0, u=21.9, z=23.2	SDSS
101.1	181.5558	40.1164	I=20.1, R=21.8, g=23.4, u=24.4, z=19.2	SDSS
101.3	181.5055	40.1400	B2=20.7, I=18.8, R1=19.9, R2=20.3	USNO-B1
103.7	181.5202	40.1191	I=22.6, R=23.6, g=22.9, u=23.1, z=21.8	SDSS
105.9	181.5794	40.1351	I=19.0, R=19.7, g=21.2, u=22.9, z=18.6	SDSS
106.0	181.5795	40.1352	B2=20.8, I=18.2, R1=19.8, R2=19.6	USNO-B1
106.0	181.5385	40.1718	I=18.2, R1=18.9	USNO-B1
106.7	181.5389	40.1720	B1=20.4, B2=20.0, I=18.4, R1=19.3, R2=18.6	USNO-B1
109.0	181.5237	40.1157	B1=20.1, B2=20.5, I=18.5, R1=19.2, R2=19.1	USNO-B1
110.9	181.5757	40.1596	I=22.9, R=22.9, g=24.6, u=24.5, z=22.1	SDSS
111.8	181.5031	40.1510	h=16.2, j=16.7, k=15.6	2MASS
111.8	181.5031	40.1510	B2=20.9, I=18.2, R1=19.4, R2=18.9	USNO-B1
112.8	181.5831	40.1443	I=20.5, R=21.5, g=23.1, u=24.7, z=20.2	SDSS
120.6	181.5465	40.1758	I=25.2, R=25.3, g=23.6, u=25.0, z=22.6	SDSS
121.3	181.5188	40.1710	h=15.7, j=16.7, k=15.2	2MASS
121.4	181.5190	40.1712	B1=20.6, I=17.9, R1=18.6	USNO-B1
122.2	181.5191	40.1715	B2=20.2, R1=19.7, R2=16.6	USNO-B1
122.2	181.5841	40.1538	B1=20.2, B2=20.9, I=18.8, R1=20.0, R2=20.0	USNO-B1
122.3	181.5347	40.1760	B1=20.9, R2=20.3	USNO-B1
122.8	181.5004	40.1545	B1=14.8, B2=15.1, I=12.4, R1=13.2, R2=13.4	USNO-B1
122.8	181.5004	40.1545	h=11.8, j=12.2, k=11.7	2MASS
122.9	181.5003	40.1544	I=13.6, R=13.8, g=14.6, u=16.3, z=13.4	SDSS
124.1	181.5044	40.1613	I=21.3, R=22.4, g=24.2, u=25.4, z=20.8	SDSS
125.1	181.5195	40.1726	B1=20.1, B2=20.2, I=18.2, R1=19.0, R2=18.1	USNO-B1
131.8	181.5682	40.1118	I=21.3, R=22.2, g=23.2, u=25.9, z=21.2	SDSS
132.0	181.5458	40.1059	I=20.1, R=20.3, g=20.7, u=21.4, z=20.0	SDSS
133.6	181.5199	40.1755	I=21.6, R=21.8, g=22.5, u=24.1, z=21.5	SDSS
136.9	181.4940	40.1519	B1=21.0, B2=20.3	USNO-B1
137.6	181.5830	40.1205	I=24.5, R=22.4, g=25.2, u=24.0, z=22.2	SDSS
139.0	181.5923	40.1379	I=21.9, R=22.5, g=23.9, u=22.6, z=22.4	SDSS
139.7	181.5249	40.1060	B2=20.9, R1=19.8, R2=19.9	USNO-B1
140.7	181.5368	40.1814	I=20.0, R=23.2, g=24.8, u=21.2, z=26.1	SDSS
144.1	181.5568	40.1809	I=22.3, R=23.1, g=24.2, u=24.2, z=21.5	SDSS
145.0	181.5619	40.1798	I=20.5, R=21.3, g=22.7, u=24.4, z=20.0	SDSS
145.1	181.4913	40.1531	I=19.9, R=20.2, g=20.9, u=22.3, z=19.6	SDSS
145.9	181.5624	40.1800	B1=20.9, R2=20.6	USNO-B1
146.3	181.4910	40.1534	B1=20.7, B2=20.8, I=18.8, R2=20.2	USNO-B1
146.9	181.4891	40.1468	B1=20.0, B2=20.9, I=18.8, R1=19.7, R2=19.7	USNO-B1
147.0	181.4891	40.1467	I=19.5, R=19.7, g=20.2, u=21.3, z=19.4	SDSS
149.1	181.5707	40.1777	I=21.3, R=22.0, g=22.7, u=23.7, z=22.1	SDSS
149.8	181.5301	40.1831	h=15.1, j=16.7, k=15.7	2MASS
150.2	181.5303	40.1832	B1=17.1, B2=16.4, I=15.9, R1=15.9, R2=15.3	USNO-B1
150.4	181.5738	40.1766	I=25.2, R=24.2, g=23.5, u=24.9, z=22.2	SDSS
150.4	181.4941	40.1227	h=16.0, j=17.1, k=16.1	2MASS
150.7	181.5937	40.1568	I=22.0, R=22.6, g=24.4, u=25.3, z=21.3	SDSS
151.0	181.4939	40.1227	B1=20.4, B2=20.9, I=18.5, R1=19.3, R2=18.6	USNO-B1
151.2	181.4939	40.1226	I=18.5, R=18.9, g=19.9, u=22.4, z=18.3	SDSS
151.8	181.5301	40.1837	I=21.5, R=24.1, g=21.7, u=21.9, z=21.0	SDSS
154.6	181.4984	40.1156	I=22.2, R=23.3, g=23.5, u=23.9, z=22.1	SDSS
157.3	181.5983	40.1510	I=21.9, R=22.8, g=24.5, u=23.3, z=22.2	SDSS
158.5	181.5958	40.1587	I=23.6, R=22.8, g=23.9, u=23.8, z=22.4	SDSS
159.7	181.5319	40.0988	B1=20.0, B2=20.7, I=18.5, R1=19.6, R2=19.3	USNO-B1
159.8	181.5932	40.1213	B1=20.4, B2=20.9, I=18.5, R1=20.0, R2=19.9	USNO-B1
161.0	181.5321	40.0985	I=22.2, R=21.5, g=22.6, u=22.1, z=21.2	SDSS
161.0	181.5414	40.0978	I=24.4, R=22.8, g=23.6, u=25.2, z=21.6	SDSS
161.6	181.5800	40.1769	I=25.4, R=24.5, g=23.5, u=26.1, z=23.4	SDSS
162.1	181.5961	40.1606	I=20.0, R=21.6, g=23.5, u=24.3, z=18.9	SDSS
162.2	181.5962	40.1606	I=20.3, R=21.9, g=23.7, u=23.6, z=19.3	SDSS
164.1	181.5921	40.1176	I=21.5, R=21.9, g=22.4, u=22.7, z=21.0	SDSS
165.1	181.5843	40.1098	I=22.1, R=22.3, g=23.0, u=23.4, z=21.5	SDSS
165.4	181.5195	40.1000	I=22.3, R=24.5, g=25.8, u=24.8, z=21.0	SDSS
165.9	181.5585	40.0981	I=24.1, R=22.8, g=25.3, u=24.8, z=21.6	SDSS
166.3	181.5024	40.1773	B1=20.9, B2=20.4, R2=20.5	USNO-B1
166.5	181.4839	40.1550	I=23.2, R=23.6, g=23.6, u=22.9, z=23.0	SDSS
167.0	181.5930	40.1679	I=16.6, R=16.7, g=17.2, u=18.3, z=16.5	SDSS
167.3	181.5931	40.1680	h=15.1, j=15.7, k=15.2	2MASS
170.0	181.4861	40.1623	h=13.6, j=14.3, k=13.4	2MASS
171.6	181.6044	40.1396	B1=20.6, B2=18.7, R2=20.5	USNO-B1
171.6	181.6044	40.1396	I=20.8, R=20.8, g=21.2, u=21.2, z=20.8	SDSS
172.6	181.5903	40.1733	I=18.7, R=18.9, g=19.2, u=20.1, z=18.7	SDSS
172.8	181.5904	40.1733	B1=18.9, B2=19.8, I=18.4, R1=19.0, R2=18.7	USNO-B1
173.4	181.5649	40.0976	h=14.5, j=15.1, k=14.3	2MASS
173.4	181.5648	40.0975	I=17.0, R=18.1, g=19.4, u=21.5, z=16.4	SDSS
174.0	181.5903	40.1739	B1=18.9, B2=19.9	USNO-B1
174.0	181.5372	40.0943	I=22.3, R=23.7, g=23.0, u=25.3, z=21.4	SDSS
174.3	181.5650	40.1877	I=24.4, R=25.4, g=25.5, u=22.6, z=24.0	SDSS
175.3	181.4792	40.1499	I=22.0, R=23.7, g=24.7, u=26.1, z=22.6	SDSS
175.5	181.6047	40.1328	I=22.1, R=22.9, g=24.3, u=23.0, z=21.8	SDSS
177.1	181.6040	40.1563	I=24.6, R=24.0, g=24.2, u=22.0, z=22.8	SDSS
177.9	181.4797	40.1552	I=21.9, R=23.1, g=24.1, u=24.5, z=21.2	SDSS
179.5	181.5275	40.0939	R1=20.1, R2=20.2	USNO-B1
180.3	181.5793	40.1012	B2=20.7, R1=20.0, R2=20.6	USNO-B1
180.4	181.4939	40.1764	I=17.6, R=19.4, g=21.0, u=23.4, z=16.7	SDSS
180.5	181.4939	40.1764	h=14.6, j=15.1, k=14.2	2MASS
180.5	181.4939	40.1764	B2=20.5, I=16.7, R1=19.5, R2=19.4	USNO-B1
180.8	181.4871	40.1698	I=24.9, R=24.6, g=25.8, u=22.4, z=23.1	SDSS
183.6	181.5978	40.1707	B1=19.6, B2=20.2, I=17.9, R1=18.3, R2=18.0	USNO-B1
183.6	181.5978	40.1707	I=18.0, R=18.4, g=19.4, u=21.7, z=17.9	SDSS
183.9	181.4765	40.1516	I=21.9, R=21.9, g=22.6, u=24.0, z=21.8	SDSS
184.0	181.5979	40.1708	h=15.7, j=16.8, k=15.8	2MASS
185.0	181.5005	40.1828	I=22.0, R=24.9, g=24.7, u=26.0, z=23.9	SDSS
186.7	181.4762	40.1546	I=21.6, R=21.9, g=22.1, u=22.2, z=21.2	SDSS
187.6	181.6102	40.1389	I=22.4, R=22.2, g=23.5, u=22.7, z=21.4	SDSS
188.9	181.4772	40.1257	B1=20.7, B2=19.9, R2=20.4	USNO-B1
190.5	181.5828	40.1854	I=22.9, R=23.8, g=23.5, u=24.1, z=22.9	SDSS
191.0	181.4967	40.1025	I=19.3, R=20.5, g=22.0, u=22.8, z=18.6	SDSS
192.0	181.4725	40.1450	B1=13.8, B2=12.6, I=11.8, R1=12.5, R2=11.4	USNO-B1
192.5	181.4724	40.1387	B1=17.6, B2=16.3, I=16.4, R1=16.7, R2=14.7	USNO-B1
192.6	181.4723	40.1450	h=15.2, j=15.9, k=15.1	2MASS
192.7	181.4722	40.1446	B1=17.4, B2=13.6	USNO-B1
192.9	181.5292	40.1952	I=20.5, R=20.6, g=20.8, u=21.4, z=20.3	SDSS
193.2	181.5293	40.1953	B1=20.7, B2=20.7, R2=20.3	USNO-B1
193.3	181.6121	40.1370	I=17.2, R=18.6, g=20.1, u=21.8, z=16.5	SDSS
193.5	181.6122	40.1370	B1=21.0, B2=20.8, I=16.2, R1=18.4, R2=18.2	USNO-B1
193.5	181.6122	40.1370	h=14.4, j=15.0, k=14.2	2MASS
194.0	181.5535	40.0893	B1=20.7, B2=20.8, R2=20.3	USNO-B1
194.6	181.5535	40.0892	I=20.5, R=20.8, g=21.0, u=22.4, z=21.1	SDSS
194.6	181.5764	40.1898	I=21.8, R=23.1, g=25.0, u=23.7, z=21.3	SDSS
195.6	181.4713	40.1466	I=17.3, R1=19.1	USNO-B1
195.7	181.5145	40.1926	I=19.6, R=19.8, g=19.9, u=20.0, z=19.4	SDSS
195.7	181.5146	40.1926	B1=19.8, B2=20.9, R1=20.1, R2=20.1	USNO-B1
196.0	181.5051	40.1890	I=19.8, R=20.1, g=20.6, u=22.0, z=19.7	SDSS
196.4	181.5052	40.1891	B1=20.6, B2=20.9, I=18.8, R1=20.1, R2=20.1	USNO-B1
196.5	181.4807	40.1148	B1=17.3, B2=18.0, I=14.0, R1=15.4, R2=15.5	USNO-B1
196.6	181.4709	40.1387	I=24.4, R=24.8, g=23.5, u=21.9, z=22.5	SDSS
196.6	181.4779	40.1664	h=14.7, j=15.3, k=14.1	2MASS
196.6	181.4780	40.1664	B1=17.6, B2=17.7, I=15.6, R1=15.9, R2=15.9	USNO-B1
196.7	181.4806	40.1148	h=13.3, j=13.9, k=13.1	2MASS
197.1	181.5890	40.1839	B1=21.2, B2=20.9, I=18.8, R2=19.7	USNO-B1
199.5	181.5784	40.0945	I=22.2, R=23.5, g=23.7, u=23.3, z=21.5	SDSS
199.8	181.4734	40.1601	I=21.7, R=22.1, g=23.0, u=24.3, z=21.8	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.