Swift Trigger: 994143;

Presumed name: GRB 200901A

BAT	04^h 07^m 01.92^s, -59° 52′ 48.0″
position:	(61.758, -59.880 ± 180″)
XRT	No position available.
UVOT	No position available.
Galactic N_HI:	1.45×10⁰ cm^-2
Galactic E(B-V):	0.018 mag

Best RA:	04^h 07^m 01.92^s	= 61.758 d
Best Dec:	-59° 52′ 48.0″	= -59.880 d

Gal Lat:	-43.47
Gal Long:	271.53

Sun angle:	101.50°, 6.6 hr West

Galaxies within 3.33 of BAT position

	RA*	Dec*		Catalogue
10.3	61.7571	-59.8828		NED
18.5	61.7682	-59.8804	B=22.0	SSS
20.2	61.7558	-59.8744		NED
22.1	61.7647	-59.8749	B=19.3, R2=18.4, i=18.5	SSS
22.2	61.7646	-59.8747	Mag=19.43	NED
26.2	61.7675	-59.8744	Mag=19.43	NED
30.5	61.7700	-59.8742	Mag=19.43	NED
30.7	61.7705	-59.8742	B=21.9, R2=19.7	SSS
33.8	61.7396	-59.8781	Mag=19.43	NED
34.8	61.7625	-59.8706	Mag=19.8	NED
39.6	61.7800	-59.8806	Mag=19.8	NED
39.8	61.7392	-59.8742	Mag=19.8	NED
42.0	61.7362	-59.8840	R1=20.2, R2=20.1	USNO-B1
42.2	61.7692	-59.8903	Mag=19.8	NED
42.7	61.7533	-59.8917	Mag=19.8	NED
46.7	61.7833	-59.8775	Mag=19.8	NED
48.7	61.7396	-59.8703	Mag=19.8	NED
50.2	61.7521	-59.8664	Mag=19.8	NED
53.5	61.7829	-59.8881	Mag=19.8	NED
54.7	61.7512	-59.8947	Mag=19.8	NED
57.6	61.7869	-59.8733	B2=21.1, R2=20.1	USNO-B1
60.7	61.7908	-59.8764	Mag=19.8	NED
62.7	61.7749	-59.8952	B2=21.3, I=18.7, R1=19.5	USNO-B1
63.0	61.7748	-59.8953	B=22.2, R2=20.2, i=18.7	SSS
63.4	61.7750	-59.8953	Mag=19.8	NED
63.8	61.7283	-59.8897	Mag=19.8	NED
64.8	61.7854	-59.8917	Mag=19.8	NED
65.2	61.7633	-59.8978	Mag=19.8	NED
65.2	61.7258	-59.8883	Mag=19.8	NED
65.3	61.7304	-59.8681	Mag=19.8	NED
66.0	61.7483	-59.8978	Mag=19.8	NED
67.2	61.7212	-59.8825	Mag=19.8	NED
67.9	61.7508	-59.8614	Mag=19.8	NED
68.9	61.7717	-59.8978	Mag=19.8	NED
69.3	61.7718	-59.8980	B2=20.6, I=18.6, R1=18.8, R2=19.4	USNO-B1
69.7	61.7719	-59.8981	B=21.1, R2=19.4, i=18.5	SSS
69.8	61.7904	-59.8906	Mag=19.8	NED
70.5	61.7208	-59.8739	Mag=19.8	NED
71.2	61.7829	-59.8953	Mag=19.8	NED
75.1	61.7604	-59.9008	Mag=19.8	NED
75.4	61.7800	-59.8622	Mag=19.8	NED
75.9	61.7167	-59.8761	Mag=19.8	NED
77.5	61.8004	-59.8775	Mag=19.8	NED
79.4	61.7817	-59.8986	Mag=19.8	NED
79.9	61.7487	-59.9017	Mag=19.8	NED
83.5	61.7667	-59.9028	Mag=19.8	NED
84.0	61.7666	-59.9029	B2=20.9, R1=19.5, R2=19.7	USNO-B1
84.4	61.7233	-59.8958	Mag=19.8	NED
85.2	61.7379	-59.9014	Mag=19.8	NED
86.1	61.7967	-59.8939	Mag=19.8	NED
86.7	61.7258	-59.8622	Mag=19.8	NED
87.2	61.7098	-59.8790	B=22.6	SSS
88.3	61.7092	-59.8792	Mag=19.8	NED
88.3	61.7460	-59.8562	R1=19.3, R2=20.9	USNO-B1
88.7	61.7940	-59.8632	B2=18.8, I=18.4, R1=19.2, R2=18.8	USNO-B1
88.8	61.8066	-59.8839	B=22.0	SSS
89.6	61.8062	-59.8861	Mag=19.8	NED
89.9	61.7083	-59.8831	Mag=19.8	NED
89.9	61.7117	-59.8894	Mag=19.8	NED
90.1	61.7633	-59.9050	Mag=19.8	NED
90.6	61.8075	-59.8764	Mag=19.8	NED
91.6	61.7142	-59.8928	Mag=19.8	NED
93.8	61.8054	-59.8906	Mag=19.8	NED
94.0	61.7458	-59.9053	Mag=19.8	NED
94.1	61.7942	-59.8614	Mag=19.8	NED
94.6	61.7067	-59.8750	Mag=19.8	NED
95.3	61.7949	-59.8611	B=17.5, R2=14.6, i=14.3	SSS
95.9	61.7625	-59.8533	Mag=19.8	NED
96.7	61.8112	-59.8828	B2=17.9, I=17.9, R1=17.5, R2=17.7	USNO-B1
96.9	61.8113	-59.8828	B=19.2, R2=17.9, i=17.7	SSS
97.0	61.8112	-59.8828	Mag=19.8	NED
98.3	61.8104	-59.8731	Mag=19.8	NED
98.8	61.7879	-59.8569	Mag=19.8	NED
98.9	61.8017	-59.8633	Mag=19.8	NED
100.7	61.7042	-59.8878	Mag=19.8	NED
103.6	61.8152	-59.8824	B2=21.2, R1=16.2	USNO-B1
103.8	61.7675	-59.8517	Mag=19.8	NED
105.3	61.7054	-59.8672	Mag=19.8	NED
106.0	61.8150	-59.8872	Mag=19.8	NED
106.4	61.7500	-59.8508	Mag=19.8	NED
107.3	61.8092	-59.8950	Mag=19.8	NED
108.3	61.8125	-59.8922	Mag=19.8	NED
108.3	61.7996	-59.9017	Mag=19.8	NED
109.8	61.7471	-59.9100	Mag=19.8	NED
110.7	61.7387	-59.9092	Mag=19.8	NED
111.2	61.7071	-59.8975	Mag=19.8	NED
111.2	61.7073	-59.8976	I=18.7, R2=19.8	USNO-B1
113.3	61.7575	-59.8486	Mag=19.8	NED
113.6	61.8133	-59.8650	Mag=19.8	NED
116.1	61.6942	-59.8769	Mag=19.8	NED
117.0	61.7304	-59.8506	Mag=19.8	NED
117.4	61.7305	-59.8504	B=21.9, R2=20.5, i=18.9	SSS
118.2	61.6979	-59.8931	Mag=19.8	NED
119.2	61.7308	-59.8499	B2=20.8, R2=20.2	USNO-B1
119.9	61.8200	-59.8917	Mag=19.8	NED
121.6	61.8158	-59.8972	Mag=19.8	NED
121.7	61.7237	-59.9092	Mag=17.2	NED
122.2	61.7425	-59.9131	Mag=17.2	NED
122.3	61.7683	-59.9136	Mag=19.2	NED
123.2	61.7308	-59.9114	Mag=19.2	NED
123.2	61.7858	-59.8489	Mag=19.2	NED
124.6	61.7857	-59.8483	B=21.6	SSS
125.2	61.7371	-59.8469	Mag=19.2	NED
126.0	61.6883	-59.8828	Mag=19.2	NED
126.3	61.7083	-59.8553	I=18.7, R1=18.8	USNO-B1
126.8	61.8262	-59.8722	Mag=19.2	NED
127.3	61.7083	-59.9050	Mag=19.2	NED
127.7	61.7537	-59.9156	Mag=19.2	NED
128.8	61.7446	-59.8450	Mag=19.2	NED
129.0	61.8179	-59.8606	Mag=19.2	NED
129.1	61.6971	-59.8989	Mag=19.2	NED
129.4	61.7075	-59.8544	Mag=19.2	NED
130.1	61.7987	-59.8503	Mag=19.2	NED
130.4	61.7371	-59.9147	Mag=19.2	NED
130.8	61.8304	-59.8811	Mag=19.2	NED
130.9	61.8187	-59.8601	R1=15.4, R2=19.9	USNO-B1
131.0	61.7250	-59.8475	Mag=19.2	NED
132.5	61.8146	-59.9033	Mag=19.2	NED
133.0	61.7125	-59.8511	Mag=19.2	NED
133.2	61.8083	-59.8531	Mag=19.2	NED
133.5	61.6846	-59.8758	Mag=19.2	NED
133.6	61.8312	-59.8850	Mag=19.2	NED
134.4	61.8067	-59.9083	Mag=19.2	NED
135.1	61.7604	-59.8425	Mag=18.6	NED
135.4	61.6839	-59.8743	B2=20.6, I=17.6, R1=18.9, R2=19.3	USNO-B1
135.4	61.6837	-59.8744	Mag=18.6	NED
135.5	61.8071	-59.8517	Mag=18.0	NED
135.5	61.8315	-59.8874	B=19.9, R2=18.4, i=18.1	SSS
135.7	61.8317	-59.8875	Mag=20.03	NED
136.0	61.7908	-59.9139	Mag=20.03	NED
137.0	61.8031	-59.8494	B=22.5	SSS
137.6	61.6912	-59.8617	Mag=20.03	NED
139.2	61.8350	-59.8781	Mag=20.03	NED
139.3	61.7821	-59.8433	Mag=20.03	NED
140.6	61.8354	-59.8828	Mag=20.03	NED
141.2	61.7858	-59.9167	Mag=20.03	NED
142.1	61.7929	-59.8447	Mag=20.03	NED
142.9	61.6792	-59.8844	Mag=20.03	NED
143.6	61.7433	-59.8408	Mag=20.03	NED
143.8	61.7987	-59.8458	Mag=20.03	NED
144.1	61.7930	-59.8440	B=20.5, R2=18.8, i=18.9	SSS
145.2	61.7250	-59.9169	Mag=20.03	NED
145.2	61.7521	-59.9203	Mag=20.03	NED
145.3	61.8107	-59.9105	B=21.4, R2=19.9	SSS
146.0	61.8108	-59.9106	Mag=20.03	NED
146.1	61.6793	-59.8708	B2=21.1, I=18.7	USNO-B1
146.4	61.7596	-59.9206	Mag=20.03	NED
146.5	61.6808	-59.8678	Mag=20.03	NED
146.6	61.7450	-59.9203	Mag=20.03	NED
146.6	61.6792	-59.8894	Mag=20.03	NED
147.4	61.6842	-59.8628	Mag=20.03	NED
147.5	61.8396	-59.8800	Mag=20.03	NED
147.6	61.8325	-59.8969	Mag=20.03	NED
147.9	61.6799	-59.8924	B=22.1	SSS
148.1	61.7030	-59.8495	B2=16.7, I=16.0, R1=16.1, R2=16.3	USNO-B1
148.3	61.8200	-59.9069	Mag=20.03	NED
148.4	61.7708	-59.8394	Mag=20.03	NED
148.7	61.7025	-59.8494	Mag=20.03	NED
148.7	61.6858	-59.8997	Mag=20.03	NED
149.8	61.7801	-59.8399	B2=20.9, I=18.7, R1=17.0	USNO-B1
150.0	61.7600	-59.8383	Mag=20.03	NED
150.8	61.7642	-59.8383	Mag=20.03	NED
151.6	61.7150	-59.9161	Mag=20.03	NED
151.9	61.8275	-59.8561	Mag=18.6	NED
152.0	61.8350	-59.8971	B=22.2	SSS
153.0	61.8425	-59.8775	Mag=18.6	NED
153.7	61.7400	-59.8383	Mag=18.6	NED
155.1	61.7037	-59.9133	Mag=18.6	NED
155.9	61.8442	-59.8833	Mag=18.6	NED
156.6	61.6717	-59.8847	Mag=18.6	NED
157.2	61.7600	-59.9236	Mag=18.6	NED
157.6	61.8025	-59.8422	Mag=18.6	NED
157.7	61.7121	-59.8428	Mag=18.6	NED
158.6	61.7025	-59.8458	Mag=18.6	NED
158.7	61.8051	-59.8428	B2=20.9, R1=19.1	USNO-B1
159.6	61.6853	-59.8549	I=18.6, R2=18.6	USNO-B1
159.9	61.6854	-59.8547	Mag=18.6	NED
160.1	61.7892	-59.8383	Mag=18.6	NED
160.1	61.8062	-59.8428	Mag=18.6	NED
160.3	61.6746	-59.8950	Mag=18.6	NED
160.6	61.7521	-59.8356	Mag=18.6	NED
161.5	61.7330	-59.9231	B=21.7, R2=19.8, i=18.7	SSS
161.5	61.7329	-59.9231	Mag=18.6	NED
163.9	61.7679	-59.8347	Mag=18.6	NED
164.7	61.7587	-59.8342	Mag=18.6	NED
165.5	61.7087	-59.9186	Mag=18.6	NED
165.7	61.6733	-59.8625	Mag=18.6	NED
165.7	61.6879	-59.9097	Mag=18.6	NED
166.8	61.8308	-59.8517	Mag=18.6	NED
167.0	61.7596	-59.9264	Mag=18.6	NED
167.5	61.8316	-59.8517	B=22.3	SSS
168.2	61.8446	-59.8969	Mag=18.6	NED
168.2	61.7517	-59.9267	Mag=18.6	NED
169.0	61.8515	-59.8815	B=21.9	SSS
169.8	61.6808	-59.9069	Mag=18.6	NED
170.3	61.7237	-59.8358	Mag=18.6	NED
170.6	61.6992	-59.9172	Mag=18.6	NED
171.4	61.8250	-59.8461	Mag=18.6	NED
171.7	61.6629	-59.8775	Mag=18.6	NED
172.4	61.7871	-59.8344	Mag=18.6	NED
174.0	61.6904	-59.9144	Mag=18.6	NED
174.2	61.8487	-59.8639	Mag=18.6	NED
174.5	61.6662	-59.8650	Mag=18.6	NED
174.7	61.7467	-59.8317	Mag=18.6	NED
175.7	61.7837	-59.9271	B=21.3	SSS
175.9	61.7117	-59.8369	Mag=18.6	NED
176.0	61.6996	-59.9192	Mag=18.6	NED
176.5	61.7833	-59.9272	Mag=18.6	NED
176.5	61.7071	-59.9219	Mag=18.6	NED
177.6	61.8392	-59.8522	Mag=18.6	NED
177.7	61.8233	-59.8431	Mag=18.6	NED
178.5	61.8231	-59.8427	B2=20.9, R1=15.4	USNO-B1
178.6	61.7851	-59.9277	B2=20.7, R1=18.6	USNO-B1
179.1	61.7847	-59.9279	B2=20.8, R1=18.6	USNO-B1
179.6	61.7537	-59.9297	Mag=18.6	NED
179.7	61.7062	-59.8375	Mag=18.6	NED
180.7	61.7571	-59.8297	Mag=18.6	NED
181.0	61.8346	-59.9125	Mag=18.6	NED
181.1	61.6733	-59.9072	Mag=18.6	NED
181.1	61.6846	-59.8456	Mag=18.6	NED
181.7	61.6600	-59.8911	Mag=18.6	NED
182.3	61.8579	-59.8728	Mag=18.6	NED
182.6	61.8587	-59.8786	Mag=18.6	NED
184.2	61.8492	-59.8569	Mag=18.6	NED
184.2	61.8413	-59.9097	Mag=18.6	NED
184.4	61.8100	-59.8361	Mag=18.6	NED
184.5	61.8102	-59.8360	B2=20.7, R2=20.1	USNO-B1
184.6	61.7087	-59.9250	Mag=18.6	NED
184.6	61.6971	-59.8389	Mag=18.6	NED
184.6	61.6798	-59.9130	B=21.6	SSS
185.2	61.6581	-59.8915	I=18.6, R2=20.2	USNO-B1
185.3	61.8183	-59.8383	Mag=18.6	NED
186.2	61.6629	-59.9000	Mag=18.6	NED
186.7	61.7742	-59.8289	Mag=18.6	NED
187.0	61.7246	-59.8308	Mag=18.6	NED
187.7	61.6792	-59.8461	Mag=18.6	NED
188.1	61.6558	-59.8699	B2=21.5, R2=19.7	USNO-B1
188.7	61.8237	-59.9208	Mag=18.6	NED
188.9	61.6937	-59.9214	Mag=18.6	NED
190.4	61.7645	-59.9328	B2=20.9, R1=14.2	USNO-B1
191.8	61.7637	-59.9331	Mag=18.6	NED
192.3	61.7644	-59.9333	B2=21.3, R1=14.5, R2=20.1	USNO-B1
192.6	61.8383	-59.9153	Mag=18.6	NED
193.4	61.7458	-59.9333	Mag=18.6	NED
193.7	61.7458	-59.9335	B2=21.3, I=18.6, R1=19.3, R2=19.3	USNO-B1
193.8	61.7452	-59.9334	I=18.6, R2=19.1	USNO-B1
194.0	61.6950	-59.8364	Mag=18.6	NED
194.1	61.7459	-59.9336	B=22.0, R2=20.6	SSS
194.4	61.6646	-59.9067	Mag=18.6	NED
195.6	61.8421	-59.8458	Mag=18.6	NED
196.7	61.8550	-59.8556	Mag=18.6	NED
196.9	61.8137	-59.8331	Mag=18.6	NED
197.3	61.8325	-59.9200	Mag=18.6	NED
198.3	61.8292	-59.8381	Mag=18.6	NED
198.4	61.7375	-59.9342	Mag=18.6	NED
200.0	61.7133	-59.8292	Mag=18.6	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