Swift Trigger: 1000613;

Presumed name: GRB 201017A

BAT	02^h 26^m 31.92^s, +66° 40′ 22.8″
position:	(36.633, +66.673 ± 180″)
XRT	02^h 26^m 28.46^s, +66° 40′ 43.3″
position:	(36.6186, 66.6787 ± 2.4″)
UVOT	No position available.
Galactic N_HI:	4.26×10⁰ cm^-2
Galactic E(B-V):	1.178 mag

Best RA:	02^h 26^m 28.46^s	= 36.6186 d
Best Dec:	+66° 40′ 43.3″	= 66.6787 d

Gal Lat:	5.52
Gal Long:	132.15

Sun angle:	121.90°, 11.0 hr West

¹Sper #3 auto processing.

Galaxies within 3.33 of XRT position

	RA*	Dec*		Catalogue
13.0	36.6146	66.6756		NED
19.6	36.6046	66.6789		NED
19.7	36.6087	66.6825	I=19.0, R1=19.4, R2=19.5	USNO-B1
19.9	36.6047	66.6788	B2=20.7, I=18.4, R1=19.3, R2=19.0	USNO-B1
28.1	36.6371	66.6758		NED
29.8	36.5979	66.6800		NED
30.8	36.5975	66.6805	I=19.0, R1=18.9, R2=19.4	USNO-B1
31.3	36.6404	66.6792		NED
33.6	36.6329	66.6861		NED
33.9	36.6158	66.6693	B1=21.0, I=18.9, R2=19.5	USNO-B1
37.8	36.5996	66.6714	I=18.6, R2=19.4	USNO-B1
37.9	36.6147	66.6683	I=17.6, R1=18.7, R2=18.9	USNO-B1
38.0	36.5996	66.6714		NED
38.3	36.6146	66.6681		NED
43.0	36.5950	66.6861		NED
45.0	36.6454	66.6853		NED
46.6	36.5975	66.6886		NED
46.9	36.5975	66.6887	I=18.5, R1=19.3, R2=19.5	USNO-B1
49.8	36.6233	66.6925		NED
50.6	36.6197	66.6928	B2=20.7, I=19.0, R2=19.5	USNO-B1
51.4	36.6008	66.6661		NED
52.0	36.6002	66.6662	I=18.9, R1=19.9, R2=19.4	USNO-B1
52.0	36.6020	66.6658	B1=20.9, B2=20.9, I=17.7, R1=18.6, R2=18.5	USNO-B1
52.1	36.5881	66.6707	B2=20.9, I=18.8, R2=19.3	USNO-B1
52.1	36.6021	66.6658		NED
52.4	36.5883	66.6706		NED
52.4	36.5821	66.6772		NED
55.2	36.6342	66.6928		NED
57.2	36.6408	66.6919		NED
60.4	36.6596	66.6831		NED
60.6	36.5767	66.6814		NED
61.9	36.6200	66.6958		NED
62.0	36.5767	66.6739		NED
65.1	36.6075	66.6961		NED
65.1	36.6446	66.6639		NED
65.5	36.6628	66.6837	R1=19.0, R2=19.5	USNO-B1
66.3	36.6586	66.6881	B2=19.6, I=18.9, R1=19.4, R2=19.5	USNO-B1
69.1	36.6379	66.6964		NED
69.4	36.6055	66.6973	B2=20.9, I=17.9, R1=18.6, R2=18.4	USNO-B1
70.2	36.6673	66.6759	B2=20.8, I=18.9, R1=19.9, R2=19.5	USNO-B1
70.4	36.6517	66.6933		NED
72.7	36.6412	66.6606		NED
72.9	36.6519	66.6633	I=19.0, R2=19.5	USNO-B1
73.0	36.6608	66.6672		NED
73.1	36.6612	66.6674	I=18.9, R1=19.8	USNO-B1
74.3	36.5961	66.6601	I=19.0, R2=19.5	USNO-B1
75.7	36.5658	66.6808		NED
75.7	36.5834	66.6945	I=19.0, R2=19.5	USNO-B1
76.5	36.6176	66.6575	I=18.6, R1=19.2, R2=19.5	USNO-B1
76.6	36.6246	66.6997		NED
76.6	36.6179	66.6575		NED
77.3	36.5642	66.6794		NED
77.5	36.6716	66.6834	B1=19.8, R1=18.5	USNO-B1
77.6	36.6355	66.6992	B2=20.8, I=18.9, R1=19.2, R2=19.4	USNO-B1
77.9	36.5640	66.6795	B2=20.9, I=18.3, R1=18.6, R2=18.5	USNO-B1
78.5	36.5696	66.6686		NED
79.4	36.6283	66.7003		NED
79.6	36.5888	66.6600		NED
80.2	36.6417	66.6990	I=19.0, R1=19.2	USNO-B1
80.6	36.6007	66.6575	I=18.6, R1=19.5, R2=19.3	USNO-B1
81.1	36.6004	66.6572		NED
81.3	36.6639	66.6650	R1=19.9, R2=19.5	USNO-B1
83.2	36.5933	66.6578		NED
88.7	36.5624	66.6893	I=18.8, R2=19.4	USNO-B1
88.8	36.5621	66.6892		NED
89.2	36.6650	66.6953		NED
91.1	36.6796	66.6711		NED
91.2	36.6055	66.6539	B2=20.1, I=18.9, R1=19.5, R2=19.4	USNO-B1
91.7	36.6829	66.6803		NED
92.2	36.6075	66.6533		NED
94.3	36.6158	66.7049	I=18.8, R1=19.3, R2=19.5	USNO-B1
94.9	36.6150	66.7050		NED
95.0	36.5663	66.6950		NED
95.1	36.6559	66.6568	B1=17.6, B2=18.4	USNO-B1
95.3	36.6546	66.6564		NED
95.4	36.6567	66.6569		NED
95.6	36.6538	66.6561		NED
96.1	36.6738	66.6939		NED
98.5	36.5921	66.7039		NED
98.7	36.5825	66.7022		NED
99.3	36.6671	66.6589		NED
100.0	36.5538	66.6894		NED
100.2	36.5540	66.6897	I=18.9, R1=19.2	USNO-B1
100.5	36.5654	66.6603		NED
100.6	36.6875	66.6850		NED
101.2	36.6875	66.6722		NED
101.5	36.5604	66.6950	I=18.8, R1=19.6, R2=19.4	USNO-B1
101.5	36.5854	66.7037	B2=20.9, I=18.7, R1=19.4, R2=19.4	USNO-B1
102.1	36.5617	66.6614		NED
102.7	36.5471	66.6828		NED
105.8	36.5701	66.6565	I=18.6, R1=19.4, R2=19.4	USNO-B1
105.8	36.6100	66.6495	I=19.0, R2=19.5	USNO-B1
105.9	36.5700	66.6564		NED
106.4	36.6342	66.6497		NED
107.4	36.6922	66.6722	B1=19.6, I=19.0, R2=19.5	USNO-B1
108.5	36.5801	66.7047	I=19.0, R2=19.5	USNO-B1
109.9	36.5438	66.6711		NED
110.3	36.5526	66.6947	B1=20.9, R1=19.0	USNO-B1
112.0	36.5582	66.6588	I=18.8, R1=18.4, R2=19.5	USNO-B1
113.2	36.5483	66.6936		NED
113.8	36.6387	66.7093	I=18.7, R2=19.5	USNO-B1
114.0	36.5781	66.6514	B1=20.9, B2=20.1, I=18.4, R1=19.1, R2=19.2	USNO-B1
114.1	36.5779	66.6514		NED
114.6	36.6596	66.7061		NED
116.0	36.6067	66.6469		NED
116.2	36.5962	66.6478		NED
117.6	36.5358	66.6781		NED
117.7	36.5360	66.6780	B2=20.9, I=17.9, R1=19.3, R2=19.2	USNO-B1
117.7	36.5358	66.6778		NED
117.8	36.5360	66.6789	B2=20.9, I=18.4, R1=18.9, R2=19.2	USNO-B1
118.1	36.6692	66.7047		NED
118.3	36.5367	66.6736		NED
119.5	36.6958	66.6658		NED
120.7	36.6988	66.6678		NED
121.4	36.7000	66.6886		NED
121.9	36.5400	66.6919		NED
121.9	36.6158	66.6450		NED
122.4	36.5397	66.6921	I=18.7, R1=19.2, R2=19.3	USNO-B1
124.1	36.6433	66.7117		NED
125.9	36.6988	66.6931		NED
126.1	36.6425	66.6450		NED
126.3	36.6800	66.6536		NED
127.1	36.6967	66.6956		NED
127.1	36.6808	66.6533		NED
127.2	36.5350	66.6664		NED
127.4	36.5661	66.6501	B2=20.8, I=18.4, R1=19.1, R2=19.1	USNO-B1
127.4	36.5658	66.6500		NED
127.7	36.5683	66.7081		NED
128.2	36.7067	66.6856		NED
128.7	36.5679	66.7083		NED
128.8	36.5357	66.6930	I=18.9, R1=19.6	USNO-B1
129.2	36.5679	66.7084	B1=19.9, I=16.9	USNO-B1
129.8	36.7092	66.6814		NED
130.3	36.5350	66.6933		NED
130.9	36.6613	66.7108		NED
131.1	36.5662	66.7087	B2=20.9, I=17.4, R1=18.6, R2=18.4	USNO-B1
131.8	36.5750	66.7111		NED
132.3	36.6750	66.6495	I=19.0, R2=19.5	USNO-B1
132.5	36.6846	66.6528		NED
132.7	36.5263	66.6839		NED
132.9	36.6171	66.7156		NED
133.0	36.6188	66.6417		NED
133.1	36.6165	66.7156	B2=20.1, I=18.9, R2=19.4	USNO-B1
133.1	36.6742	66.6489		NED
133.4	36.5646	66.6483		NED
133.7	36.7063	66.6917		NED
134.2	36.7058	66.6647		NED
134.2	36.5408	66.6997		NED
134.4	36.5348	66.6959	I=18.7, R1=19.2, R2=19.3	USNO-B1
134.6	36.5408	66.6999	B2=20.7, R2=19.5	USNO-B1
134.6	36.6767	66.7083		NED
135.4	36.5975	66.6419		NED
135.5	36.6646	66.7117		NED
136.5	36.6421	66.6419		NED
136.7	36.5483	66.6528		NED
137.8	36.7142	66.6842		NED
138.2	36.5267	66.6664		NED
138.5	36.5883	66.7153		NED
138.5	36.5471	66.7047		NED
139.1	36.7161	66.6769	B1=21.0, I=18.8, R1=17.6, R2=19.5	USNO-B1
139.2	36.6492	66.6419		NED
140.0	36.6983	66.7014		NED
140.1	36.6982	66.7015	I=18.6, R2=19.5	USNO-B1
140.7	36.5200	66.6783		NED
141.4	36.6283	66.7178		NED
141.9	36.6284	66.7179	I=18.7, R1=19.5, R2=19.4	USNO-B1
142.8	36.5876	66.6410	I=19.0, R2=19.5	USNO-B1
143.0	36.6025	66.7181		NED
143.1	36.5200	66.6711		NED
143.3	36.5267	66.6950		NED
143.5	36.6654	66.6433		NED
143.5	36.5266	66.6950	B2=20.9, I=17.9, R1=18.9, R2=18.7	USNO-B1
144.1	36.7179	66.6719		NED
145.2	36.5729	66.6428		NED
145.6	36.6787	66.6460	B2=20.6, I=18.5, R1=19.2, R2=19.4	USNO-B1
146.0	36.5950	66.6392		NED
146.4	36.7121	66.6617		NED
146.5	36.7163	66.6661		NED
146.5	36.7163	66.6661	B2=20.8, I=18.5, R1=19.2, R2=19.3	USNO-B1
147.4	36.7212	66.6744		NED
147.6	36.6379	66.6383		NED
147.7	36.6387	66.6385	B1=21.0, R2=19.2	USNO-B1
148.5	36.7071	66.7006		NED
149.2	36.6337	66.7197		NED
149.3	36.7224	66.6845	R1=19.2, R2=19.5	USNO-B1
149.5	36.6337	66.7198	I=18.4, R1=19.6, R2=19.3	USNO-B1
149.5	36.6792	66.6447		NED
149.7	36.7233	66.6778		NED
149.7	36.6794	66.6448	B1=20.8, B2=20.8, I=17.3, R1=18.6, R2=18.5	USNO-B1
149.9	36.7237	66.6778	I=18.4, R1=19.2, R2=19.3	USNO-B1
150.2	36.6088	66.6372		NED
150.8	36.5754	66.7169		NED
151.3	36.7192	66.6922		NED
151.3	36.5402	66.6504	B2=20.9, I=18.2, R1=19.2, R2=19.5	USNO-B1
152.2	36.6792	66.7136		NED
152.4	36.5121	66.6744		NED
153.1	36.5396	66.6500		NED
153.8	36.6533	66.6383		NED
154.0	36.6929	66.7097		NED
154.9	36.6913	66.6467		NED
155.2	36.5179	66.6622		NED
156.2	36.5446	66.6467	B1=19.5, I=18.4, R2=19.0	USNO-B1
156.5	36.5458	66.6461		NED
157.4	36.7279	66.6853		NED
157.9	36.6108	66.7225		NED
158.1	36.7282	66.6855	B2=20.0, I=18.7, R1=19.1, R2=19.2	USNO-B1
158.4	36.5146	66.6944		NED
158.8	36.6104	66.7228		NED
159.6	36.6523	66.6364	I=19.0, R1=19.2, R2=19.4	USNO-B1
160.1	36.7301	66.6734	B2=20.3, I=18.8	USNO-B1
160.2	36.6242	66.6342		NED
162.1	36.7096	66.7058		NED
162.2	36.5542	66.6417		NED
162.7	36.5918	66.6348	B1=20.1, R2=19.5	USNO-B1
163.1	36.7251	66.6622	B2=20.6, I=18.5, R1=19.2, R2=19.4	USNO-B1
163.7	36.7212	66.6992		NED
163.7	36.7254	66.6619		NED
164.1	36.5429	66.6444	B1=20.1, I=18.7, R1=19.1, R2=19.4	USNO-B1
164.5	36.5219	66.6538	I=18.8, R1=19.3, R2=19.5	USNO-B1
164.5	36.7217	66.6992		NED
164.6	36.5608	66.6392		NED
164.9	36.6788	66.6397		NED
164.9	36.5167	66.6569		NED
165.0	36.6430	66.6339	I=18.8, R1=19.1, R2=19.4	USNO-B1
165.3	36.6471	66.6342		NED
165.3	36.6437	66.6339	R1=19.7, R2=19.4	USNO-B1
165.7	36.6154	66.7247		NED
166.3	36.5883	66.6341	B2=20.9, I=18.7, R1=19.6, R2=19.3	USNO-B1
166.4	36.5017	66.6772		NED
167.0	36.7229	66.6997		NED
167.5	36.6013	66.6328		NED
167.7	36.6009	66.6326	B2=19.9, I=18.9, R2=19.4	USNO-B1
167.8	36.7325	66.6669		NED
167.9	36.7329	66.6897		NED
167.9	36.6838	66.7175		NED
168.0	36.5189	66.6538	I=18.3, R1=19.6, R2=18.8	USNO-B1
168.1	36.7330	66.6673	B1=20.9, R1=18.8, R2=19.2	USNO-B1
168.6	36.5867	66.7239		NED
168.6	36.7335	66.6899	B1=21.0, B2=20.9, I=18.1, R1=18.9, R2=19.0	USNO-B1
168.7	36.6020	66.6323	I=19.0, R2=19.4	USNO-B1
169.8	36.5044	66.6653	I=18.9, R2=19.5	USNO-B1
170.0	36.6216	66.6315	I=18.2, R1=19.3, R2=19.0	USNO-B1
170.1	36.6054	66.7256		NED
170.3	36.5629	66.6369		NED
170.6	36.5291	66.6472	I=18.5, R1=19.5, R2=19.3	USNO-B1
170.6	36.5013	66.6692	I=18.2, R1=19.0, R2=19.3	USNO-B1
170.8	36.5013	66.6692		NED
170.8	36.5292	66.6472		NED
170.9	36.6679	66.6356		NED
171.0	36.5025	66.6906		NED
171.0	36.6224	66.6312	I=19.0, R1=18.7, R2=19.1	USNO-B1
171.2	36.5002	66.6707	I=17.2, R1=15.8	USNO-B1
171.4	36.6521	66.7244		NED
171.5	36.6196	66.6311	B1=19.0, B2=20.5, I=16.5, R1=17.7, R2=17.6	USNO-B1
171.6	36.4996	66.6711		NED
172.0	36.6192	66.6308		NED
172.2	36.6801	66.6375	I=18.9, R2=19.5	USNO-B1
172.5	36.5854	66.6325		NED
172.7	36.5852	66.6326	B2=20.0, I=18.7, R1=19.2, R2=19.5	USNO-B1
173.3	36.4971	66.6806		NED
174.0	36.5352	66.6434	B1=17.5, R1=15.6, R2=19.5	USNO-B1
174.3	36.7400	66.6847		NED
174.5	36.7179	66.6503		NED
174.8	36.6956	66.6409	B2=20.8, I=18.9, R1=19.6, R2=19.5	USNO-B1
175.5	36.5571	66.7208		NED
175.6	36.7125	66.6472		NED
175.8	36.5572	66.7211	B2=20.8, I=18.0, R1=19.2, R2=18.9	USNO-B1
176.4	36.5404	66.7167		NED
176.5	36.6958	66.7169		NED
176.5	36.6596	66.6325		NED
176.6	36.5068	66.6999	I=19.0, R2=19.5	USNO-B1
176.6	36.5067	66.6997		NED
176.8	36.6437	66.7268	B1=19.8, I=19.0	USNO-B1
177.4	36.6383	66.7272		NED
177.8	36.5021	66.6967		NED
178.1	36.4989	66.6646	I=18.7, R2=19.5	USNO-B1
178.2	36.5021	66.6967	B1=20.9, B2=20.9, I=18.6, R1=18.8, R2=19.1	USNO-B1
178.3	36.6433	66.7272		NED
178.7	36.6096	66.7283		NED
178.8	36.7229	66.7064		NED
178.9	36.6754	66.6344		NED
179.0	36.5263	66.6450		NED
179.0	36.4934	66.6825	I=19.0, R2=19.5	USNO-B1
179.0	36.5529	66.6364		NED
179.1	36.5983	66.6297		NED
179.2	36.5258	66.6451	I=18.8, R2=19.5	USNO-B1
179.3	36.5096	66.7036		NED
179.9	36.7302	66.6554	R1=19.6, R2=19.5	USNO-B1
180.2	36.6871	66.7208		NED
180.8	36.6875	66.7209	R1=19.7, R2=19.5	USNO-B1
181.0	36.5167	66.7086		NED
181.4	36.7171	66.7106		NED
181.5	36.7179	66.6472		NED
181.6	36.6508	66.6300		NED
182.0	36.6501	66.6297	B2=20.9, I=17.8, R1=19.2, R2=18.4	USNO-B1
182.2	36.5038	66.6564		NED
183.0	36.6924	66.6371	B1=21.0, I=18.9, R2=19.5	USNO-B1
183.2	36.6450	66.6289		NED
183.2	36.6450	66.6289		NED
183.4	36.6207	66.6278	I=18.8, R1=19.2, R2=19.5	USNO-B1
183.7	36.7188	66.7108	B1=19.7, R1=18.4	USNO-B1
184.4	36.6837	66.6344	B2=20.8, I=18.4, R1=19.2, R2=19.2	USNO-B1
184.4	36.6833	66.6344		NED
184.5	36.7358	66.6572		NED
184.5	36.7473	66.6844	I=18.6, R2=19.5	USNO-B1
184.9	36.6021	66.7297		NED
185.0	36.7449	66.6669	B2=20.9, I=18.8, R1=19.1, R2=19.2	USNO-B1
185.0	36.5900	66.7289		NED
185.0	36.5625	66.6322		NED
185.0	36.5400	66.6378		NED
185.4	36.5894	66.7289	I=18.7, R1=19.1, R2=19.4	USNO-B1
185.6	36.4889	66.6831	B2=20.8, I=17.9, R1=18.7	USNO-B1
185.6	36.4887	66.6831		NED
185.8	36.7171	66.6450		NED
185.8	36.5613	66.7250		NED
185.9	36.4883	66.6772		NED
186.0	36.7249	66.6487	B2=20.9, I=18.8, R1=19.4, R2=19.2	USNO-B1
186.2	36.7208	66.7111		NED
186.5	36.6821	66.7239		NED
186.8	36.7279	66.6500		NED
186.8	36.7284	66.6504	I=18.9, R1=19.4, R2=19.5	USNO-B1
187.2	36.7321	66.6525		NED
187.9	36.6229	66.6267		NED
188.2	36.6664	66.7274	I=19.0, R2=19.3	USNO-B1
188.9	36.6967	66.7211	B2=20.9, R1=19.6	USNO-B1
189.1	36.5179	66.6444		NED
189.5	36.7033	66.7192		NED
189.6	36.5178	66.6444	I=18.7, R2=19.4	USNO-B1
189.9	36.6738	66.6308		NED
190.0	36.6738	66.6307	B1=19.3, I=19.0, R1=18.6	USNO-B1
190.1	36.7500	66.6703		NED
190.2	36.5340	66.6379	B1=16.9, I=18.6, R1=18.6	USNO-B1
190.3	36.6383	66.6264		NED
190.6	36.4908	66.6631		NED
191.0	36.5242	66.7164		NED
191.1	36.7454	66.6617		NED
191.6	36.5738	66.7289		NED
192.0	36.7138	66.6411		NED
192.3	36.6449	66.7311	I=18.6, R1=19.7	USNO-B1
192.5	36.6450	66.7311		NED
192.8	36.5737	66.7292	B1=21.0, I=18.9, R2=19.5	USNO-B1
193.6	36.4833	66.6742		NED
193.9	36.5807	66.6270	B1=19.5, I=19.0	USNO-B1
193.9	36.5338	66.6367		NED
194.1	36.6633	66.6278		NED
194.2	36.6583	66.7303		NED
194.4	36.6699	66.7287	B2=20.1, I=18.9, R2=19.5	USNO-B1
194.4	36.5833	66.6267		NED
194.5	36.5396	66.7228		NED
194.7	36.7021	66.7217		NED
194.8	36.5395	66.7228	B2=20.8, I=18.5, R1=19.2, R2=19.1	USNO-B1
195.4	36.7554	66.6811		NED
195.6	36.7277	66.7117	B2=20.4, R2=19.5	USNO-B1
195.8	36.7025	66.7219		NED
195.8	36.7508	66.6642		NED
195.9	36.6010	66.6247	I=18.9, R1=19.7, R2=19.5	USNO-B1
196.9	36.5371	66.6344		NED
197.4	36.6951	66.6330	B1=21.0, B2=20.9, I=18.8, R1=19.5, R2=19.3	USNO-B1
197.5	36.6193	66.6238	B1=21.0, I=18.9, R1=19.2, R2=19.4	USNO-B1
197.9	36.7350	66.7086		NED
198.5	36.7357	66.7086	B2=20.9, I=17.4, R1=18.3	USNO-B1
198.6	36.5648	66.7296	B2=20.8, R1=18.9	USNO-B1
198.7	36.7446	66.6551	R1=19.9, R2=19.5	USNO-B1
198.7	36.7442	66.6550		NED
199.0	36.7258	66.7139		NED
199.1	36.7496	66.6594		NED
199.4	36.7365	66.7086	R1=18.8, R2=17.5	USNO-B1
199.4	36.7266	66.7140	B2=19.8, I=18.3, R1=19.1, R2=18.8	USNO-B1
199.9	36.4792	66.6856		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