Swift Trigger: 350853;

Presumed name: GRB 090429A

BAT	06^h 02^m 14.16^s, -52° 23′ 09.6″
position:	(90.559, -52.386 ± 240″)
XRT	06^h 02^m 13.15^s, -52° 23′ 07.8″
position:	(90.5548, -52.3855 ± 5.1″)
UVOT	No position available.
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.057 mag

Best RA:	06^h 02^m 13.15^s	= 90.5548 d
Best Dec:	-52° 23′ 07.8″	= -52.3855 d

Gal Lat:
Gal Long:

Sun angle:	not found

Stars within 3.33 of XRT position

	RA*	Dec*		Catalogue
15.8	90.5533	-52.3812	B2=21.1, I=18.1, R1=18.5, R2=18.8	USNO-B1
39.5	90.5457	-52.3950	I=18.6, R1=20.9, R2=20.6	USNO-B1
41.8	90.5620	-52.3962	B2=21.7, R1=19.5, R2=20.4	USNO-B1
42.8	90.5573	-52.3737	B2=20.4, I=18.7, R1=20.5, R2=20.2	USNO-B1
43.4	90.5355	-52.3829	B2=21.1, R1=19.5	USNO-B1
49.1	90.5698	-52.3754	B2=21.1, I=18.3, R1=19.4, R2=20.2	USNO-B1
49.4	90.5379	-52.3765	B2=21.3, R1=19.5, R2=20.4	USNO-B1
49.6	90.5700	-52.3754	h=15.9, j=16.6, k=15.3	2MASS
56.2	90.5786	-52.3799	B2=20.3, R1=19.0, R2=19.6	USNO-B1
56.3	90.5336	-52.3768	h=12.8, j=13.1, k=12.7	2MASS
64.8	90.5571	-52.3676	B2=17.7, I=16.9, R1=17.0, R2=16.7	USNO-B1
64.9	90.5674	-52.3692	R1=19.5, R2=20.6	USNO-B1
64.9	90.5572	-52.3675	h=15.9, j=16.2, k=15.4	2MASS
66.4	90.5574	-52.3671	B2=20.7, I=16.8, R2=16.7	USNO-B1
67.4	90.5311	-52.3736	B2=21.8, R1=20.5	USNO-B1
69.5	90.5726	-52.4015	h=15.5, j=16.2, k=15.4	2MASS
69.8	90.5725	-52.4016	B2=20.2, I=17.7, R1=18.2, R2=18.9	USNO-B1
73.5	90.5487	-52.4056	B2=21.1, R2=20.4	USNO-B1
74.8	90.5423	-52.3662	B2=20.2, R1=19.2	USNO-B1
77.1	90.5405	-52.3659	B2=17.5, I=16.2, R1=16.5, R2=16.3	USNO-B1
77.2	90.5405	-52.3659	h=15.1, j=15.6, k=15.0	2MASS
77.4	90.5601	-52.4068	B2=21.5, R2=20.5	USNO-B1
77.8	90.5861	-52.3956	B2=19.4, I=18.4, R1=18.4, R2=19.0	USNO-B1
83.2	90.5870	-52.3733	B2=20.2, R1=20.7	USNO-B1
83.7	90.5840	-52.3706	B2=20.8, R2=20.0	USNO-B1
89.7	90.5955	-52.3833	h=15.2, j=15.8, k=14.8	2MASS
89.8	90.5931	-52.3768	B2=21.6, R2=19.7	USNO-B1
89.9	90.5956	-52.3834	B2=20.1, I=17.5, R1=18.2, R2=18.7	USNO-B1
90.8	90.5959	-52.3884	B2=21.1, I=18.7, R1=19.2, R2=19.4	USNO-B1
91.1	90.5932	-52.3760	R1=20.1, R2=19.5	USNO-B1
91.5	90.5940	-52.3770	B2=21.1, R1=19.4, R2=20.3	USNO-B1
91.5	90.5931	-52.3755	B2=21.5, I=18.8, R1=19.4	USNO-B1
91.6	90.5137	-52.3897	h=13.6, j=14.3, k=13.5	2MASS
91.6	90.5137	-52.3898	B2=17.6, I=15.1, R1=15.8, R2=15.6	USNO-B1
96.3	90.5965	-52.3937	h=15.9, j=16.7, k=15.9	2MASS
96.4	90.5965	-52.3938	B2=21.1, I=18.4, R1=19.3, R2=19.8	USNO-B1
97.0	90.5967	-52.3940	B2=21.4, I=17.9, R2=20.6	USNO-B1
98.4	90.5973	-52.3770	B2=21.1, R1=19.4, R2=20.0	USNO-B1
99.0	90.5775	-52.3617	h=15.8, j=16.4, k=15.4	2MASS
99.1	90.5778	-52.3618	B2=20.8, I=18.1, R1=18.8, R2=19.9	USNO-B1
104.5	90.5497	-52.3566	R1=19.5, R2=20.6	USNO-B1
104.9	90.5577	-52.3564	B2=16.5, I=14.8, R1=15.6, R2=15.2	USNO-B1
105.3	90.5577	-52.3563	h=14.1, j=14.5, k=14.0	2MASS
106.2	90.5081	-52.3931	B2=21.1, I=18.5, R1=19.5, R2=20.5	USNO-B1
106.5	90.6019	-52.3784	B2=21.1, R1=20.7, R2=20.3	USNO-B1
106.7	90.5156	-52.4030	B2=21.0, I=18.7, R2=20.4	USNO-B1
106.8	90.6028	-52.3807	B2=21.7, I=18.8, R1=19.4, R2=20.2	USNO-B1
107.8	90.5848	-52.3618	B2=18.4, I=17.5, R1=17.4, R2=17.2	USNO-B1
108.1	90.5850	-52.3618	h=15.8, j=16.2, k=16.0	2MASS
108.2	90.5146	-52.4029	B2=21.1, I=18.5, R2=20.3	USNO-B1
110.1	90.5061	-52.3928	B2=19.5, I=17.4, R1=17.6, R2=17.7	USNO-B1
110.3	90.5060	-52.3927	h=15.6, j=16.2, k=15.3	2MASS
111.2	90.5933	-52.4056	B2=21.0, R1=21.2	USNO-B1
113.4	90.5396	-52.4156	B2=20.8, I=18.5, R1=19.2, R2=20.1	USNO-B1
114.0	90.5375	-52.3557	B2=15.0, I=11.9, R1=13.4, R2=13.1	USNO-B1
114.3	90.5372	-52.3556	h=11.3, j=11.9, k=11.0	2MASS
115.7	90.5387	-52.4161	I=18.9, R1=20.5, R2=19.3	USNO-B1
116.4	90.5067	-52.3720	R1=20.5, R2=20.5	USNO-B1
118.2	90.6077	-52.3915	R1=20.8, R2=20.9	USNO-B1
118.8	90.5483	-52.4183	B2=21.0, R1=20.3, R2=20.4	USNO-B1
119.8	90.5258	-52.4137	R1=19.9, R2=19.1	USNO-B1
120.2	90.5482	-52.4186	B2=21.5, R1=19.5	USNO-B1
121.2	90.5031	-52.3972	B2=21.1, R2=23.2	USNO-B1
121.3	90.5251	-52.4139	B2=20.1, R1=18.5, R2=17.2	USNO-B1
123.2	90.5774	-52.4168	B2=19.8, R1=19.5, R2=19.9	USNO-B1
124.0	90.5017	-52.3739	B2=16.8, I=14.5, R1=15.4, R2=14.7	USNO-B1
124.1	90.5016	-52.3739	h=13.3, j=13.9, k=13.1	2MASS
124.6	90.5223	-52.4139	h=12.4, j=12.8, k=12.3	2MASS
124.6	90.5505	-52.3510	R1=19.5, R2=20.5	USNO-B1
124.8	90.5063	-52.3675	B2=19.4, I=18.1, R1=18.7, R2=18.3	USNO-B1
124.8	90.5223	-52.4140	B2=15.0, I=12.9, R1=13.8, R2=13.4	USNO-B1
124.9	90.4980	-52.3863	B2=20.5, R1=19.5, R2=20.2	USNO-B1
125.9	90.4982	-52.3802	B2=21.1, I=18.6, R1=19.5, R2=20.4	USNO-B1
126.9	90.5030	-52.3699	B2=13.4, I=12.1, R1=13.0, R2=12.5	USNO-B1
127.1	90.5030	-52.3698	h=11.6, j=11.9, k=11.6	2MASS
127.6	90.4967	-52.3863	B2=19.2, R2=20.3	USNO-B1
129.2	90.4960	-52.3866	B2=19.6, I=18.6, R1=18.2, R2=19.0	USNO-B1
130.3	90.4955	-52.3869	B2=20.3, R1=19.4, R2=18.9	USNO-B1
130.5	90.4962	-52.3914	h=15.0, j=15.4, k=14.9	2MASS
130.5	90.4962	-52.3915	B2=17.2, I=15.8, R1=16.4, R2=15.9	USNO-B1
130.9	90.5031	-52.3674	B2=20.8, R2=19.7	USNO-B1
131.2	90.4965	-52.3934	B2=21.1, R2=19.7	USNO-B1
134.6	90.5875	-52.3539	B2=19.8, I=18.7, R1=19.5, R2=20.3	USNO-B1
136.4	90.5426	-52.4226	B2=21.1, R1=21.0	USNO-B1
137.3	90.5042	-52.4079	B2=21.1, R1=19.4, R2=20.1	USNO-B1
138.1	90.4920	-52.3861	B2=13.8, I=11.9, R1=12.7, R2=12.4	USNO-B1
138.1	90.4919	-52.3860	h=11.0, j=11.5, k=11.0	2MASS
138.8	90.5377	-52.4226	I=18.8, R1=20.4, R2=18.6	USNO-B1
138.9	90.4918	-52.3886	B2=21.1, R1=19.8	USNO-B1
139.2	90.5374	-52.4227	I=18.5, R1=21.1, R2=18.9	USNO-B1
140.7	90.5634	-52.4242	B2=21.1, R1=20.1	USNO-B1
142.3	90.5328	-52.4227	h=11.1, j=11.4, k=11.1	2MASS
143.3	90.5135	-52.4163	I=17.9, R1=18.1, R2=18.2	USNO-B1
144.1	90.5134	-52.4165	B2=19.2, I=18.0, R1=18.0, R2=17.8	USNO-B1
145.8	90.6183	-52.3737	B2=15.6, I=14.0, R1=14.7, R2=14.3	USNO-B1
145.8	90.6182	-52.3736	h=13.4, j=13.8, k=13.4	2MASS
146.1	90.4883	-52.3862	I=18.8, R1=19.4	USNO-B1
146.1	90.5033	-52.4112	h=15.1, j=15.8, k=15.0	2MASS
146.4	90.5267	-52.4224	h=13.6, j=14.0, k=13.6	2MASS
146.5	90.5033	-52.4113	B2=19.2, I=17.0, R1=17.4, R2=17.5	USNO-B1
146.5	90.5269	-52.4225	B2=16.0, I=14.3, R1=15.1, R2=14.6	USNO-B1
146.8	90.5262	-52.4224	B2=20.6, R2=14.0	USNO-B1
149.6	90.5510	-52.4270	B2=21.1, I=18.6, R1=19.4, R2=19.9	USNO-B1
150.8	90.4862	-52.3862	R1=19.4, R2=19.9	USNO-B1
152.6	90.5244	-52.3474	B2=21.1, I=18.7, R1=19.4, R2=20.1	USNO-B1
155.1	90.5819	-52.4253	B2=20.3, R1=20.1	USNO-B1
156.3	90.5004	-52.4135	h=15.3, j=15.6, k=15.2	2MASS
156.3	90.4844	-52.3791	R1=20.9, R2=20.7	USNO-B1
156.4	90.5004	-52.4136	B2=17.4, I=16.0, R1=16.4, R2=16.3	USNO-B1
157.5	90.5816	-52.4261	B2=20.1, I=18.6, R1=18.9, R2=19.5	USNO-B1
158.4	90.5099	-52.4199	R1=19.5, R2=20.6	USNO-B1
160.2	90.4940	-52.4101	I=18.9, R1=19.6, R2=19.9	USNO-B1
160.8	90.6060	-52.4174	B2=20.6, R1=19.5, R2=20.1	USNO-B1
162.8	90.5515	-52.4307	h=13.2, j=13.5, k=13.2	2MASS
163.2	90.5515	-52.4308	B2=15.4, I=13.6, R1=14.7, R2=14.1	USNO-B1
164.5	90.5050	-52.4196	B2=21.1, R1=20.7, R2=20.2	USNO-B1
165.0	90.5052	-52.4199	I=18.9, R1=19.5	USNO-B1
165.7	90.5092	-52.4222	B2=21.4, R2=20.2	USNO-B1
165.7	90.5654	-52.4311	h=13.4, j=13.8, k=13.3	2MASS
166.2	90.5655	-52.4312	B2=16.2, I=14.2, R1=15.3, R2=14.7	USNO-B1
168.2	90.4820	-52.4000	B2=21.1, I=18.4, R1=19.5, R2=20.4	USNO-B1
169.4	90.4841	-52.3668	h=14.2, j=15.0, k=14.2	2MASS
169.4	90.4840	-52.3669	B2=18.8, I=16.0, R1=16.8, R2=16.6	USNO-B1
169.7	90.4986	-52.4179	h=15.0, j=15.5, k=14.9	2MASS
169.7	90.4987	-52.4179	B2=18.3, I=16.7, R1=16.9, R2=16.6	USNO-B1
173.5	90.5024	-52.3495	B2=20.5, R1=20.9, R2=19.8	USNO-B1
173.8	90.5108	-52.4256	B2=21.4, R2=20.4	USNO-B1
173.8	90.5033	-52.3489	B2=21.1, R1=19.5, R2=20.2	USNO-B1
175.6	90.6295	-52.3682	B2=20.7, I=18.9, R2=20.4	USNO-B1
176.4	90.6330	-52.3745	B2=21.7, I=18.8, R1=19.5, R2=20.4	USNO-B1
176.6	90.6297	-52.3678	B2=20.4, I=17.9, R1=18.4, R2=18.9	USNO-B1
176.8	90.4945	-52.4180	B2=20.4, I=18.9, R1=19.2, R2=19.7	USNO-B1
177.6	90.5369	-52.4336	h=14.7, j=15.0, k=14.5	2MASS
178.6	90.6349	-52.3770	B2=21.1, R1=19.5, R2=20.7	USNO-B1
180.8	90.4887	-52.4154	R1=19.5, R2=20.1	USNO-B1
180.9	90.6318	-52.4033	B2=21.1, R1=20.9, R2=20.5	USNO-B1
181.6	90.4863	-52.3573	B2=21.0, R1=19.5, R2=20.5	USNO-B1
181.7	90.5164	-52.4302	h=15.1, j=15.5, k=14.9	2MASS
182.2	90.5163	-52.4303	B2=17.1, I=15.6, R1=15.9, R2=15.6	USNO-B1
183.7	90.5020	-52.4251	R1=20.8, R2=19.8	USNO-B1
184.3	90.6376	-52.3775	R1=19.5, R2=20.5	USNO-B1
184.4	90.4717	-52.3929	B2=21.1, R1=19.5, R2=20.4	USNO-B1
185.5	90.5107	-52.4294	B2=20.9, I=18.5, R2=19.5	USNO-B1
188.2	90.6368	-52.4007	B2=20.7, I=18.6, R1=20.3, R2=20.3	USNO-B1
189.3	90.5174	-52.4329	R1=21.1, R2=19.7	USNO-B1
190.0	90.5141	-52.4321	B2=20.7, I=16.1, R2=16.6	USNO-B1
190.4	90.5163	-52.4329	I=18.6, R1=19.3, R2=18.8	USNO-B1
191.5	90.6266	-52.3553	B2=21.1, I=18.5, R1=19.5	USNO-B1
191.5	90.6414	-52.3915	B2=20.9, R1=19.1, R2=20.0	USNO-B1
192.4	90.6423	-52.3828	I=18.7, R1=19.5, R2=20.2	USNO-B1
192.9	90.5559	-52.3319	B2=21.0, R1=19.5, R2=19.9	USNO-B1
195.6	90.5107	-52.4327	h=10.5, j=10.7, k=10.4	2MASS
196.7	90.4720	-52.3648	B2=20.3, R2=19.9	USNO-B1
196.9	90.4689	-52.4011	h=15.1, j=15.7, k=15.0	2MASS
196.9	90.4720	-52.3646	B2=20.6, I=18.3, R1=19.3, R2=19.8	USNO-B1
197.1	90.4688	-52.4012	B2=20.4, I=17.2, R1=18.7, R2=19.0	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.