Swift Trigger: 965638;

Presumed name: GRB 200410A

BAT	19^h 58^m 32.88^s, +51° 45′ 46.8″
position:	(299.637, +51.763 ± 180″)
XRT	19^h 58^m 34.97^s, +51° 46′ 53.8″
position:	(299.6457, 51.7816 ± 2.1″)
UVOT	No position available.
Galactic N_HI:	1.43×10⁰ cm^-2
Galactic E(B-V):	0.161 mag

Best RA:	19^h 58^m 34.97^s	= 299.6457 d
Best Dec:	+51° 46′ 53.8″	= 51.7816 d

Gal Lat:	11.49
Gal Long:	85.75

Sun angle:	77.08°, 5.3 hr West

¹Sper #11 auto processing.

Galaxies within 3.33 of XRT position

	RA*	Dec*		Catalogue
4.2	299.6437	51.7822		NED
4.4	299.6440	51.7822	B1=18.8, B2=19.0, I=16.9, R1=17.6, R2=17.5	USNO-B1
5.3	299.6475	51.7808		NED
30.1	299.6336	51.7779	B1=19.0, B2=18.8, I=16.6, R1=17.3, R2=17.2	USNO-B1
30.4	299.6333	51.7781		NED
30.6	299.6333	51.7780	B=20.2, R=18.6	APM-N
32.0	299.6571	51.7869		NED
32.2	299.6596	51.7836		NED
34.4	299.6487	51.7911		NED
34.7	299.6362	51.7739		NED
36.5	299.6296	51.7833	B1=18.4, B2=18.4, I=15.8, R1=16.4, R2=16.6	USNO-B1
36.5	299.6296	51.7831		NED
37.9	299.6483	51.7919		NED
37.9	299.6346	51.7894		NED
38.8	299.6483	51.7922		NED
41.4	299.6375	51.7919		NED
41.9	299.6416	51.7702	B1=20.2, I=17.5	USNO-B1
42.1	299.6417	51.7703		NED
45.3	299.6621	51.7742		NED
46.6	299.6667	51.7819		NED
50.9	299.6321	51.7931		NED
51.4	299.6318	51.7930	B=19.6, R=18.4	APM-N
51.7	299.6308	51.7706		NED
53.0	299.6583	51.7692		NED
53.2	299.6667	51.7747		NED
54.1	299.6700	51.7825		NED
54.4	299.6513	51.7964		NED
54.8	299.6703	51.7827	B2=19.8, I=17.7, R1=19.5, R2=19.5	USNO-B1
55.5	299.6337	51.7681		NED
56.2	299.6696	51.7764		NED
58.1	299.6217	51.7756		NED
61.6	299.6729	51.7850		NED
61.7	299.6217	51.7903		NED
62.1	299.6730	51.7853	B1=19.0, B2=19.4, I=17.4, R1=17.9, R2=18.0	USNO-B1
62.3	299.6262	51.7692		NED
67.0	299.6546	51.7639		NED
68.0	299.6650	51.7669		NED
70.9	299.6308	51.7989		NED
71.4	299.6137	51.7801	B2=19.9, R2=20.5	USNO-B1
71.6	299.6446	51.7617		NED
72.5	299.6446	51.7614		NED
73.0	299.6778	51.7857	B=19.9, R=19.0	APM-N
73.1	299.6218	51.7677	I=18.1, R1=19.1, R2=19.6	USNO-B1
73.3	299.6712	51.7689		NED
73.5	299.6478	51.7612	I=16.7, R1=19.2, R2=19.1	USNO-B1
73.6	299.6779	51.7853		NED
74.2	299.6574	51.8009	B2=19.9, I=18.1, R1=18.9, R2=20.0	USNO-B1
76.3	299.6450	51.7603		NED
77.9	299.6208	51.7969		NED
78.3	299.6171	51.7942		NED
78.6	299.6208	51.7971	B1=18.7, B2=18.6, I=16.9, R1=17.5, R2=17.5	USNO-B1
78.9	299.6458	51.7597		NED
79.2	299.6171	51.7685	B1=18.1, B2=18.5, I=16.4, R1=16.7, R2=16.9	USNO-B1
79.5	299.6171	51.7683		NED
79.7	299.6463	51.7594		NED
80.1	299.6583	51.7608	B=21.4, R=19.6	APM-N
80.9	299.6583	51.7606		NED
81.4	299.6137	51.7925		NED
82.7	299.6492	51.8044		NED
82.8	299.6100	51.7883		NED
82.9	299.6825	51.7844		NED
83.0	299.6783	51.7925		NED
83.5	299.6083	51.7844		NED
83.7	299.6240	51.7626	B=21.0, R=18.4	APM-N
83.9	299.6388	51.8044		NED
84.1	299.6262	51.8017		NED
84.1	299.6617	51.8028		NED
84.2	299.6608	51.8031		NED
84.3	299.6616	51.8029	B1=17.6, B2=17.8, I=16.0, R1=16.6, R2=16.6	USNO-B1
84.3	299.6242	51.7622		NED
85.5	299.6108	51.7717		NED
88.7	299.6668	51.7607	B=20.1, R=18.1	APM-N
88.8	299.6672	51.7608	B1=19.2, B2=19.1, I=16.3, R1=16.5, R2=16.9	USNO-B1
89.2	299.6671	51.7606		NED
93.1	299.6695	51.8029	B=20.8, R=19.8	APM-N
93.5	299.6425	51.8075		NED
93.5	299.6058	51.7733		NED
95.1	299.6824	51.7951	B1=16.7, B2=17.3, I=14.9, R1=15.3, R2=15.7	USNO-B1
95.2	299.6075	51.7935	B2=20.1, R2=19.1	USNO-B1
95.3	299.6183	51.7612	I=17.9, R2=19.8	USNO-B1
95.5	299.6183	51.7611		NED
95.6	299.6825	51.7950		NED
95.8	299.6075	51.7939		NED
96.1	299.6604	51.7564		NED
96.3	299.6585	51.7560	B=20.4, R=19.2	APM-N
96.5	299.6867	51.7903	B=20.6, R=18.8	APM-N
96.8	299.6029	51.7869		NED
96.8	299.6867	51.7900		NED
96.9	299.6869	51.7902	B1=19.4, B2=19.4, I=16.9, R1=17.6, R2=17.5	USNO-B1
97.0	299.6258	51.8056		NED
97.4	299.6515	51.8084	B1=17.5, B2=19.7, R1=16.3	USNO-B1
97.6	299.6379	51.8083	B1=17.2, B2=17.8, I=15.7, R1=16.1, R2=16.3	USNO-B1
97.7	299.6222	51.7587	B1=20.2, B2=20.2, I=17.6, R1=18.9, R2=19.0	USNO-B1
97.7	299.6375	51.8083		NED
98.3	299.6192	51.8036		NED
98.5	299.6221	51.7586		NED
99.2	299.6412	51.8089		NED
100.9	299.6108	51.7994		NED
100.9	299.6109	51.7995	B1=18.3, B2=18.7, I=16.6, R1=16.9, R2=16.9	USNO-B1
101.1	299.6821	51.7984	I=18.3, R1=19.6	USNO-B1
101.2	299.6517	51.7536		NED
103.0	299.6917	51.7808		NED
104.5	299.6783	51.7608		NED
104.9	299.6785	51.7607	B1=16.9, B2=17.2, I=15.0, R1=15.2, R2=15.6	USNO-B1
105.3	299.6496	51.8108		NED
106.3	299.6300	51.7536		NED
107.0	299.6612	51.8097		NED
107.6	299.6733	51.7572		NED
108.2	299.6412	51.7517		NED
108.9	299.6709	51.8075	B1=20.2, B2=19.6	USNO-B1
109.2	299.6914	51.7927	B=21.0, R=19.4	APM-N
109.6	299.6917	51.7925		NED
109.7	299.6129	51.7589		NED
110.1	299.6918	51.7926	B1=19.6, B2=19.5, I=17.1, R1=18.1, R2=18.1	USNO-B1
110.2	299.6442	51.8122		NED
111.2	299.6954	51.7797		NED
111.2	299.6283	51.8106		NED
111.2	299.6904	51.7956		NED
111.9	299.6958	51.7797	B1=18.4, B2=18.6, I=15.8, R1=16.9, R2=16.9	USNO-B1
112.0	299.6229	51.8094		NED
112.4	299.5962	51.7758		NED
112.5	299.5996	51.7686		NED
113.0	299.5950	51.7842		NED
113.4	299.6719	51.8086	B1=19.9, B2=19.6, R1=17.5, R2=17.9	USNO-B1
113.5	299.6087	51.7600		NED
113.6	299.6967	51.7794		NED
113.6	299.6846	51.8019		NED
113.8	299.6718	51.8088	B=21.1, R=18.9	APM-N
114.4	299.6725	51.8086		NED
115.2	299.6971	51.7789		NED
116.3	299.6067	51.8031		NED
117.6	299.6133	51.8075		NED
117.7	299.6137	51.8076	I=17.4, R1=19.4, R2=18.8	USNO-B1
117.9	299.6388	51.8142		NED
118.8	299.5985	51.7969	B2=20.1, I=17.6, R2=19.9	USNO-B1
118.8	299.6992	51.7819		NED
118.9	299.6646	51.8125		NED
119.0	299.6817	51.7572	B=21.4, R=19.6	APM-N
119.0	299.6121	51.7558		NED
119.5	299.6117	51.7558		NED
119.6	299.6817	51.7569		NED
120.1	299.6162	51.8094		NED
120.7	299.6267	51.8131		NED
120.9	299.6029	51.7608		NED
121.1	299.6513	51.8150		NED
122.3	299.6920	51.7634	B1=20.1, B2=20.1, I=18.1, R1=19.1, R2=19.5	USNO-B1
123.1	299.6008	51.8017		NED
123.4	299.7000	51.7889		NED
123.6	299.6293	51.7488	B1=20.2, B2=20.1, I=18.4, R1=19.3, R2=19.3	USNO-B1
124.1	299.6008	51.8020	B=19.9, R=18.8	APM-N
124.2	299.5954	51.7967		NED
125.0	299.5921	51.7917		NED
125.4	299.5951	51.7969	B=18.7, R=17.6	APM-N
125.9	299.6971	51.7669		NED
126.1	299.5946	51.7967		NED
127.3	299.6567	51.8163	B1=20.2, B2=19.6, R2=20.0	USNO-B1
127.4	299.6096	51.8092		NED
127.6	299.6550	51.8167		NED
127.8	299.5929	51.7675		NED
128.0	299.5900	51.7903		NED
128.3	299.6646	51.7481		NED
129.2	299.5983	51.7608		NED
129.7	299.6821	51.7535	B1=16.5, B2=17.0, I=15.3, R1=15.2, R2=15.6	USNO-B1
129.9	299.6821	51.7533		NED
130.0	299.5875	51.7797		NED
130.2	299.6807	51.8106	B1=20.2, B2=20.1, R1=19.4	USNO-B1
130.2	299.6767	51.8122		NED
130.4	299.5872	51.7799	B=21.4, R=19.5	APM-N
130.6	299.6400	51.8178		NED
131.0	299.6090	51.8100	B=20.8, R=19.8	APM-N
131.6	299.6408	51.8181		NED
131.9	299.6437	51.7450		NED
132.3	299.6354	51.7453		NED
132.4	299.5876	51.7896	B2=19.0, I=18.5	USNO-B1
132.6	299.6204	51.8150		NED
132.6	299.6756	51.8135	B1=19.4, B2=19.5, I=17.6, R1=18.6, R2=18.5	USNO-B1
132.8	299.5938	51.7631		NED
132.9	299.5875	51.7736		NED
133.9	299.6675	51.8164		NED
134.8	299.6771	51.7497		NED
135.0	299.6197	51.8155	B=21.1, R=20.0	APM-N
135.3	299.6531	51.7443	B1=20.2, B2=20.1, I=18.3, R1=18.8, R2=19.1	USNO-B1
135.5	299.6529	51.7442		NED
135.7	299.6942	51.8044	B1=19.2, B2=18.4, I=17.0, R1=17.8, R2=17.7	USNO-B1
136.0	299.7013	51.7661		NED
136.3	299.7050	51.7908		NED
136.4	299.6371	51.8192		NED
137.0	299.7043	51.7932	B=21.0, R=19.9	APM-N
137.4	299.7046	51.7930	B1=19.9, B2=19.9, I=17.4, R1=18.6, R2=18.5	USNO-B1
137.6	299.6717	51.7469		NED
137.6	299.6871	51.7533		NED
137.7	299.6983	51.8014		NED
138.1	299.6487	51.7433		NED
138.1	299.7059	51.7909	B2=19.3, R2=19.9	USNO-B1
138.7	299.6925	51.7564		NED
139.0	299.5871	51.7681		NED
139.7	299.7008	51.8000		NED
139.9	299.7008	51.8002	B2=20.0, I=17.2, R1=18.9, R2=18.7	USNO-B1
141.1	299.6925	51.8081		NED
141.4	299.5866	51.7672	B1=19.1, B2=19.1, I=16.8, R1=17.5, R2=17.2	USNO-B1
141.6	299.6821	51.7494		NED
141.8	299.5821	51.7817		NED
142.1	299.6946	51.8069		NED
142.7	299.6971	51.8053		NED
143.8	299.6008	51.7528		NED
144.4	299.5904	51.8025		NED
145.5	299.6079	51.8147		NED
145.6	299.6681	51.7436	B=20.6, R=19.6	APM-N
145.7	299.6080	51.8147	B1=18.4, B2=18.4, I=16.3, R1=16.8, R2=16.9	USNO-B1
145.8	299.6883	51.8125		NED
145.9	299.7087	51.7708		NED
146.5	299.7033	51.7619		NED
147.0	299.6712	51.8192		NED
148.6	299.7114	51.7744	B1=19.4, B2=19.0, I=16.9, R1=17.6, R2=17.3	USNO-B1
149.0	299.6846	51.8153		NED
149.0	299.6404	51.7403		NED
149.1	299.6792	51.8175		NED
149.8	299.7004	51.7578		NED
150.2	299.5796	51.7906		NED
150.4	299.6914	51.7508	B2=20.2, I=18.1, R1=18.7, R2=19.1	USNO-B1
151.0	299.6483	51.8236		NED
151.1	299.6917	51.7508		NED
151.4	299.5954	51.8100		NED
151.5	299.5955	51.8100	B1=15.6, B2=16.0, I=14.5, R1=14.6, R2=14.9	USNO-B1
152.0	299.6542	51.7397		NED
152.4	299.5790	51.7910	B=20.4, R=17.7	APM-N
152.6	299.5851	51.7618	B1=17.9, B2=18.0, I=16.3, R1=16.5, R2=16.5	USNO-B1
152.7	299.6551	51.7396	B2=20.1, R2=19.5	USNO-B1
152.8	299.5787	51.7908		NED
152.9	299.5850	51.7617		NED
153.1	299.7133	51.7886		NED
154.9	299.6983	51.7536		NED
155.9	299.6137	51.8203		NED
156.9	299.5750	51.7825		NED
157.5	299.7054	51.7581		NED
157.5	299.6242	51.7400		NED
158.2	299.6058	51.8181		NED
158.7	299.6063	51.8183	B2=19.4, I=18.3, R2=19.9	USNO-B1
158.8	299.7011	51.8094	B2=18.5, I=15.9, R1=19.3	USNO-B1
158.8	299.6429	51.7375		NED
159.1	299.6987	51.7522		NED
159.6	299.6737	51.8225		NED
160.0	299.7014	51.8097	B=19.8, R=18.0	APM-N
160.1	299.7133	51.7967		NED
160.4	299.6992	51.7519		NED
160.4	299.6137	51.7417	B1=19.8, B2=19.4, I=17.2, R1=18.3, R2=18.0	USNO-B1
160.6	299.6137	51.7417		NED
160.7	299.5737	51.7769		NED
160.9	299.5738	51.7770	B1=20.2, B2=19.7, I=16.4, R1=17.9, R2=17.7	USNO-B1
161.0	299.6396	51.8261		NED
161.0	299.6920	51.7472	B=20.9, R=19.5	APM-N
161.3	299.5736	51.7771	B=21.4, R=19.0	APM-N
161.4	299.6921	51.7472		NED
161.7	299.7160	51.7703	B1=19.5, B2=20.2, R2=19.0	USNO-B1
161.9	299.7025	51.8097		NED
162.2	299.6033	51.7450		NED
162.2	299.5733	51.7767		NED
162.3	299.7101	51.7605	B=21.1, R=18.8	APM-N
162.3	299.6892	51.7456		NED
162.5	299.7029	51.8097		NED
162.7	299.7067	51.8064		NED
162.7	299.7029	51.8097		NED
162.9	299.5730	51.7766	R1=19.0, R2=19.3	USNO-B1
163.1	299.7104	51.7603		NED
163.2	299.6689	51.8246	B1=20.2, I=18.4, R2=20.2	USNO-B1
163.3	299.6812	51.8211		NED
165.5	299.6975	51.7489		NED
165.5	299.6692	51.8253		NED
165.7	299.6987	51.8139		NED
165.8	299.6441	51.8276	B1=19.1, B2=19.3, I=17.2, R1=18.1, R2=17.6	USNO-B1
165.9	299.6350	51.7361		NED
166.5	299.6991	51.8140	B1=18.1, B2=18.5, I=16.6, R1=17.0, R2=17.1	USNO-B1
167.1	299.6146	51.8239		NED
167.9	299.6644	51.7364	B1=20.2, B2=20.2, I=18.6, R2=19.7	USNO-B1
169.6	299.5737	51.7661		NED
169.9	299.7173	51.7978	B2=20.0, I=18.2, R1=19.3	USNO-B1
169.9	299.7175	51.7978		NED
170.0	299.6858	51.8217		NED
170.0	299.6575	51.8283		NED
170.1	299.6575	51.8283	B1=19.7, B2=20.1, I=17.6, R1=18.8, R2=18.4	USNO-B1
170.6	299.7217	51.7881		NED
170.8	299.6864	51.8218	I=17.1, R1=19.1, R2=19.5	USNO-B1
171.1	299.6571	51.7347		NED
171.7	299.5958	51.7453		NED
172.7	299.6971	51.7456		NED
172.9	299.6374	51.7338	B=21.0, R=19.8	APM-N
173.2	299.6962	51.7453		NED
173.8	299.6187	51.8269		NED
174.6	299.6060	51.7398	B2=20.0, I=17.5, R1=18.8, R2=18.7	USNO-B1
174.8	299.6379	51.7333	B1=20.1, B2=20.2, I=17.9, R1=19.1, R2=18.4	USNO-B1
176.0	299.5975	51.8203		NED
176.5	299.7250	51.7811		NED
176.6	299.6762	51.7363	I=18.0, R2=19.8	USNO-B1
176.8	299.7096	51.7525		NED
176.8	299.5683	51.7706		NED
176.8	299.6699	51.8284	B1=20.1, B2=20.2, R1=19.3, R2=19.2	USNO-B1
177.7	299.5846	51.7500		NED
179.4	299.7082	51.7502	B1=18.4, B2=18.6, I=16.7, R1=16.9, R2=16.9	USNO-B1
179.5	299.7246	51.7719		NED
179.5	299.5821	51.8122		NED
179.5	299.7079	51.7500		NED
179.7	299.6696	51.8292		NED
179.8	299.6699	51.8293	B2=20.1, I=18.2, R1=18.8, R2=19.1	USNO-B1
180.3	299.7127	51.7535	B2=20.2, I=18.1, R1=19.2, R2=19.2	USNO-B1
180.3	299.7029	51.8169		NED
180.4	299.6574	51.7320	B=21.0, R=20.0	APM-N
180.9	299.5816	51.8125	B=19.1, R=20.0	APM-N
181.0	299.5758	51.7561		NED
181.3	299.5650	51.7742		NED
181.5	299.6766	51.8282	B2=18.9, R2=19.9	USNO-B1
181.8	299.6767	51.8283		NED
182.0	299.6891	51.8244	B=21.2, R=20.0	APM-N
182.9	299.6850	51.8261		NED
183.1	299.6258	51.7322		NED
183.1	299.7258	51.7706		NED
184.0	299.6229	51.8308		NED
184.1	299.6225	51.8308		NED
184.2	299.7262	51.7706		NED
184.3	299.7087	51.8144		NED
184.7	299.6487	51.8328		NED
184.7	299.7126	51.8120	I=18.0, R1=19.7, R2=20.0	USNO-B1
185.2	299.5733	51.8072		NED
185.2	299.6971	51.8222		NED
185.6	299.5962	51.7400		NED
185.8	299.7200	51.8047		NED
186.1	299.5853	51.7459	B1=19.3, B2=19.0, I=17.1, R1=18.1, R2=17.8	USNO-B1
186.7	299.7138	51.8117		NED
186.9	299.6869	51.7364	B=21.3, R=20.0	APM-N
187.5	299.7300	51.7814		NED
187.7	299.5679	51.8019		NED
188.5	299.7287	51.7911		NED
188.6	299.6058	51.7356		NED
188.6	299.5608	51.7800		NED
188.8	299.5667	51.8006		NED
188.9	299.7292	51.7910	B1=18.9, B2=18.9, I=17.0, R1=17.7, R2=17.3	USNO-B1
189.0	299.6112	51.7337	B=21.0, R=20.0	APM-N
189.7	299.6421	51.8342		NED
190.2	299.5657	51.8000	B1=20.1, B2=19.3	USNO-B1
190.2	299.6075	51.8289		NED
190.3	299.5617	51.7718	B1=17.2, B2=17.2, I=15.7, R1=16.0, R2=16.1	USNO-B1
190.4	299.5617	51.7717		NED
190.7	299.5868	51.8201	B2=19.8, R2=20.1	USNO-B1
191.2	299.7126	51.8149	B1=20.2, B2=20.1, R1=19.4, R2=19.0	USNO-B1
192.2	299.7258	51.7617		NED
192.7	299.6183	51.8322		NED
192.8	299.7231	51.8056	B2=19.2, I=18.0	USNO-B1
192.8	299.6696	51.7300		NED
192.9	299.6773	51.7317	I=18.1, R2=20.3	USNO-B1
193.8	299.6771	51.7314		NED
194.5	299.5992	51.8275		NED
194.5	299.5771	51.8150		NED
194.8	299.5771	51.8152	B1=14.6, B2=14.7, I=13.4, R1=13.0, R2=13.8	USNO-B1
194.9	299.7146	51.8150		NED
195.2	299.7329	51.7875		NED
195.6	299.6179	51.8331	B1=19.6, R2=16.9	USNO-B1
195.8	299.7112	51.7456		NED
195.8	299.7061	51.7421	B=20.8, R=19.1	APM-N
196.4	299.5582	51.7883	B=21.2, R=19.9	APM-N
196.5	299.7063	51.7419		NED
196.7	299.7065	51.7420	B1=19.6, B2=19.5, I=17.0, R1=17.8, R2=17.5	USNO-B1
196.7	299.5758	51.7481		NED
196.9	299.7225	51.7544		NED
197.0	299.5650	51.8044		NED
197.0	299.7246	51.8064		NED
197.1	299.5594	51.7938	I=18.4, R1=19.5, R2=20.0	USNO-B1
197.5	299.5571	51.7819		NED
198.0	299.5650	51.8046	B=20.1, R=20.0	APM-N
198.2	299.6254	51.7281		NED
198.5	299.6142	51.7300		NED
198.6	299.6142	51.7300		NED
198.8	299.6637	51.8358		NED
199.0	299.5825	51.7425		NED
199.3	299.6950	51.8278		NED
199.5	299.6252	51.7276	B=21.2, R=19.3	APM-N
199.7	299.6254	51.7275		NED
199.7	299.6792	51.8331		NED

Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.

* 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