Swift Trigger: 1325580;

Presumed name: GRB 250617B

BAT	22^h 11^m 36.48^s, +32° 43′ 37.2″
position:	(332.902, +32.727 ± 180″)
XRT	22^h 11^m 35.20^s, +32° 43′ 57.4″
position:	(332.89665, 32.73261 ± 1.9″)
UVOT	No position available.
Galactic N_HI:	7.21×10²⁰ cm^-2
Galactic E(B-V):	0.093 mag

Best RA:	22^h 11^m 35.20^s	= 332.89665 d
Best Dec:	+32° 43′ 57.4″	= 32.73261 d

Gal Lat:	-19.1
Gal Long:	88.06

Sun angle:	95.24°, 7.6 hr West

Galaxies within 200 of XRT position

	RA*	Dec*		Catalogue
13.9	332.8924	32.7310	B2=20.5, I=18.8, R2=19.8	USNO-B1
15.1	332.8982	32.7286	B1=19.0, B2=18.3, I=17.3, R1=18.2, R2=17.8	USNO-B1
15.2	332.8979	32.7286		NED
18.0	332.8908	32.7342		NED
19.4	332.8903	32.7329	I=18.7, R1=19.4, R2=20.1	USNO-B1
19.5	332.8943	32.7376	B=21.4, R=18.9	APM-N
19.6	332.8942	32.7375		NED
21.1	332.9029	32.7350		NED
28.9	332.8871	32.7317		NED
29.2	332.9042	32.7275		NED
31.6	332.9062	32.7361		NED
37.6	332.8900	32.7239		NED
39.7	332.8833	32.7333		NED
40.3	332.8854	32.7386		NED
41.2	332.9100	32.7300		NED
42.5	332.9042	32.7425		NED
43.4	332.8946	32.7444		NED
50.5	332.8822	32.7255	B=19.5, R=18.0	APM-N
51.1	332.8821	32.7253		NED
51.4	332.8954	32.7183		NED
52.7	332.9085	32.7433	B2=20.1, I=18.9, R2=20.2	USNO-B1
53.9	332.8954	32.7475		NED
55.3	332.8792	32.7367		NED
56.4	332.8896	32.7181		NED
56.5	332.8901	32.7179	B=21.4, R=19.8	APM-N
61.0	332.8788	32.7250		NED
63.5	332.8883	32.7489		NED
64.2	332.9115	32.7198	B1=20.3, B2=20.4, I=17.9, R1=18.9, R2=18.8	USNO-B1
65.6	332.9158	32.7406		NED
65.6	332.8913	32.7503		NED
65.8	332.9162	32.7407	B=21.4, R=19.2	APM-N
65.9	332.8750	32.7294		NED
66.1	332.8916	32.7505	B=20.1, R=17.8	APM-N
67.9	332.8742	32.7344		NED
68.0	332.9119	32.7188	B2=17.6, R2=18.2	USNO-B1
68.3	332.9113	32.7469		NED
70.1	332.9029	32.7139		NED
70.5	332.9167	32.7225		NED
70.6	332.9166	32.7225	B2=20.7, I=18.5, R1=19.3, R2=19.6	USNO-B1
70.7	332.9121	32.7181		NED
73.0	332.8925	32.7125		NED
73.4	332.8738	32.7264		NED
73.8	332.8781	32.7459	B2=20.9, R1=19.6, R2=20.2	USNO-B1
73.9	332.9158	32.7453		NED
76.4	332.9087	32.7511		NED
76.5	332.9200	32.7406		NED
78.2	332.8896	32.7536		NED
78.2	332.8708	32.7356		NED
78.5	332.9150	32.7172	B=19.2, R=17.5	APM-N
78.8	332.9150	32.7172		NED
81.0	332.9225	32.7375		NED
81.2	332.9212	32.7236		NED
81.7	332.9096	32.7128		NED
82.1	332.9231	32.7375	I=18.9, R2=20.0	USNO-B1
82.3	332.9187	32.7458		NED
82.6	332.8733	32.7447		NED
83.1	332.9013	32.7553		NED
83.6	332.9196	32.7456		NED
84.0	332.9015	32.7556	I=18.7, R1=19.0, R2=19.8	USNO-B1
84.4	332.9046	32.7550		NED
85.9	332.8931	32.7089	B1=20.3, I=18.8	USNO-B1
86.7	332.8979	32.7086		NED
87.2	332.8816	32.7119	B=20.2, R=18.4	APM-N
87.4	332.8812	32.7119		NED
88.4	332.8942	32.7572		NED
88.7	332.8937	32.7081		NED
89.8	332.9144	32.7126	B2=20.9, R1=19.4	USNO-B1
90.9	332.9167	32.7514		NED
91.0	332.8668	32.7299	B1=20.3, B2=20.5, I=17.9, R1=19.1, R2=18.8	USNO-B1
91.5	332.8667	32.7297		NED
92.2	332.8667	32.7369		NED
92.4	332.9271	32.7336		NED
93.7	332.9151	32.7117	B2=20.9, R1=19.6	USNO-B1
97.0	332.9217	32.7494		NED
97.6	332.8650	32.7269		NED
97.8	332.9043	32.7062	B=20.9, R=18.5	APM-N
98.3	332.9042	32.7061		NED
98.4	332.8684	32.7461	B2=20.8, I=18.9, R1=19.4, R2=19.7	USNO-B1
98.5	332.9288	32.7283		NED
99.3	332.8682	32.7464	B=21.4, R=19.7	APM-N
99.8	332.9255	32.7460	B2=20.7, R1=18.9	USNO-B1
99.9	332.9254	32.7461		NED
100.0	332.8679	32.7467		NED
100.5	332.9257	32.7461	B=21.4, R=20.0	APM-N
102.5	332.8783	32.7567		NED
103.0	332.8783	32.7567		NED
103.8	332.9295	32.7243	B=17.9, R=16.0	APM-N
104.4	332.8774	32.7085	B2=20.9, I=18.7, R2=19.6	USNO-B1
104.6	332.8775	32.7083		NED
104.8	332.9296	32.7242		NED
107.0	332.8788	32.7582	I=18.7, R2=19.3	USNO-B1
107.2	332.9262	32.7164		NED
108.5	332.9296	32.7439		NED
108.6	332.9050	32.7619		NED
109.0	332.9137	32.7592		NED
109.1	332.9187	32.7564		NED
109.1	332.8904	32.7625		NED
109.8	332.9192	32.7565	B=20.8, R=18.4	APM-N
110.9	332.9262	32.7506		NED
111.1	332.9264	32.7507	I=18.4, R2=19.8	USNO-B1
111.4	332.9178	32.7073	B=19.7, R=20.0	APM-N
112.6	332.9329	32.7400		NED
112.9	332.9242	32.7114		NED
113.0	332.9329	32.7399	B=21.4, R=19.0	APM-N
113.1	332.9316	32.7436	B1=20.4, B2=20.9, R1=19.5	USNO-B1
114.4	332.8795	32.7043	R1=19.4, R2=20.1	USNO-B1
114.9	332.8683	32.7111		NED
115.5	332.9346	32.7311		NED
116.3	332.9346	32.7292		NED
118.0	332.9189	32.7595	B=21.4, R=18.6	APM-N
119.4	332.8850	32.7644		NED
119.5	332.9338	32.7211		NED
119.6	332.9183	32.7050		NED
119.7	332.9275	32.7536		NED
121.0	332.8575	32.7392		NED
121.7	332.9358	32.7247		NED
122.5	332.8580	32.7226	B2=20.8, R2=20.2	USNO-B1
122.7	332.8990	32.7666	I=18.8, R2=20.1	USNO-B1
122.7	332.8596	32.7189		NED
122.7	332.8988	32.7667		NED
123.9	332.8583	32.7447		NED
124.2	332.8558	32.7361		NED
125.7	332.9304	32.7122		NED
127.7	332.9283	32.7558		NED
127.8	332.9165	32.7639	B1=20.4, B2=20.8, I=19.0, R1=19.4, R2=20.2	USNO-B1
128.0	332.9054	32.7675		NED
128.3	332.8983	32.6969		NED
128.8	332.9017	32.7681		NED
129.9	332.9387	32.7392		NED
130.2	332.8537	32.7324	B=21.4, R=19.3	APM-N
130.3	332.8696	32.7044		NED
130.4	332.8542	32.7394		NED
130.6	332.9396	32.7344		NED
130.7	332.8933	32.7689		NED
130.8	332.8821	32.6983		NED
131.3	332.8562	32.7196	B=21.4, R=19.7	APM-N
131.4	332.9379	32.7219		NED
132.0	332.8559	32.7197	B2=20.8, I=18.7, R1=19.4, R2=20.0	USNO-B1
132.2	332.8558	32.7194		NED
132.5	332.9400	32.7372		NED
132.9	332.9171	32.7000		NED
133.6	332.8813	32.6978	I=19.1, R1=19.2, R2=18.5	USNO-B1
133.7	332.9279	32.7064		NED
134.0	332.9229	32.7625		NED
134.5	332.9379	32.7186		NED
134.7	332.9285	32.7065	B1=20.0, B2=20.3, I=18.9, R1=19.3, R2=19.4	USNO-B1
134.8	332.9287	32.7066	B=21.3, R=19.3	APM-N
135.1	332.8771	32.7664		NED
135.1	332.8883	32.6957	B=20.5, R=19.4	APM-N
136.7	332.9067	32.6956		NED
136.7	332.8558	32.7494		NED
138.8	332.8959	32.6941	B=21.1, R=18.7	APM-N
139.3	332.8511	32.7377	B1=19.6, B2=19.4, I=19.0, R1=19.5, R2=19.2	USNO-B1
139.4	332.8958	32.6939		NED
139.7	332.8567	32.7522		NED
139.7	332.8519	32.7230	B=21.4, R=19.4	APM-N
139.9	332.8519	32.7230	B2=20.5, I=17.9, R1=18.2, R2=18.7	USNO-B1
140.0	332.8517	32.7228		NED
140.7	332.8567	32.7526	B=21.4, R=19.7	APM-N
140.9	332.9329	32.7081		NED
141.2	332.8921	32.7717		NED
141.6	332.8646	32.7614		NED
141.7	332.8647	32.7613	B2=20.7, R2=19.8	USNO-B1
141.8	332.9350	32.7100		NED
142.5	332.8675	32.7639		NED
143.2	332.8888	32.6933		NED
145.8	332.8747	32.6966	B2=20.8, R1=19.6, R2=20.0	USNO-B1
147.4	332.9116	32.7716	B2=20.8, I=18.3, R2=18.7	USNO-B1
147.5	332.9450	32.7292		NED
147.5	332.8617	32.7611		NED
148.0	332.9117	32.7717		NED
148.1	332.9228	32.6978	B2=20.8, I=18.7, R1=19.6, R2=19.5	USNO-B1
148.2	332.9233	32.6981		NED
148.8	332.9446	32.7408		NED
150.3	332.8996	32.7742		NED
150.4	332.8917	32.7742		NED
150.7	332.8994	32.7744	B2=20.6, I=18.6, R1=19.2, R2=19.1	USNO-B1
150.7	332.9108	32.6925		NED
151.1	332.8683	32.6981		NED
151.4	332.9053	32.7740	I=19.0, R1=18.8, R2=19.5	USNO-B1
152.0	332.8729	32.6953		NED
153.0	332.9296	32.7003		NED
153.0	332.8746	32.7708		NED
153.2	332.9083	32.7739		NED
153.4	332.8838	32.7739		NED
153.5	332.9460	32.7425	B1=20.3, I=18.8	USNO-B1
156.0	332.8877	32.7753	B2=20.3, R2=19.9	USNO-B1
156.0	332.8875	32.7753		NED
156.1	332.8470	32.7211	B2=20.9, R2=20.2	USNO-B1
156.4	332.8954	32.7761		NED
156.5	332.8459	32.7407	B=21.4, R=18.4	APM-N
156.6	332.8880	32.7755	B2=20.9, R2=19.9	USNO-B1
157.4	332.9196	32.6936		NED
157.5	332.9471	32.7428		NED
157.7	332.9473	32.7428	B=21.4, R=19.7	APM-N
158.0	332.8454	32.7406		NED
158.5	332.9283	32.6978		NED
158.6	332.8529	32.7569		NED
158.7	332.8822	32.7750	B1=20.3, I=19.1, R1=19.5	USNO-B1
158.9	332.9258	32.7694		NED
159.1	332.9325	32.7647		NED
159.5	332.9242	32.7703		NED
159.6	332.8530	32.7575	B=20.2, R=19.2	APM-N
159.8	332.9383	32.7056		NED
160.2	332.8471	32.7486		NED
161.8	332.8483	32.7519		NED
162.2	332.8983	32.6875		NED
162.4	332.9500	32.7294		NED
162.4	332.9479	32.7200		NED
162.5	332.8725	32.6922		NED
163.5	332.8558	32.7625		NED
164.0	332.9486	32.7456	B1=20.4, B2=20.8, I=18.5, R2=19.5	USNO-B1
164.9	332.8425	32.7367		NED
165.2	332.9468	32.7507	I=18.4, R2=19.5	USNO-B1
165.3	332.9504	32.7258		NED
165.4	332.9468	32.7509	I=19.1, R1=19.6, R2=19.9	USNO-B1
165.7	332.9471	32.7503		NED
165.7	332.8779	32.6894		NED
166.3	332.9246	32.7725		NED
166.4	332.9492	32.7461		NED
167.6	332.9092	32.6873	B=19.9, R=17.6	APM-N
167.6	332.9091	32.6873	B1=19.2, B2=19.1, I=16.7, R1=17.6, R2=17.3	USNO-B1
167.8	332.9225	32.7739		NED
167.8	332.9508	32.7417		NED
167.9	332.8959	32.7792	I=18.9, R1=18.6, R2=20.8	USNO-B1
167.9	332.9092	32.6872		NED
167.9	332.9091	32.6872	h=14.4, j=15.4, k=14.1	2MASS
168.0	332.8833	32.6873	B=19.4, R=20.0	APM-N
168.0	332.9371	32.7006		NED
168.8	332.9379	32.7642		NED
169.0	332.9479	32.7141	B=21.4, R=19.7	APM-N
169.1	332.9021	32.6858		NED
169.2	332.8712	32.7744		NED
169.3	332.9479	32.7139		NED
169.5	332.9142	32.7772		NED
169.9	332.8558	32.7650		NED
169.9	332.8408	32.7389		NED
170.0	332.8558	32.7650	B2=20.8, I=17.3, R1=19.4, R2=19.3	USNO-B1
170.3	332.8658	32.7722	B=21.0, R=19.9	APM-N
170.5	332.8517	32.7611		NED
170.6	332.9431	32.7594	B1=20.3, R2=20.2	USNO-B1
170.8	332.8516	32.7612	B2=20.2, I=18.1, R2=19.0	USNO-B1
171.3	332.8867	32.7794		NED
171.7	332.8867	32.6856		NED
172.0	332.9425	32.7608		NED
172.4	332.9463	32.7564		NED
173.1	332.9426	32.7613	B1=20.4, B2=20.8, R2=20.1	USNO-B1
175.1	332.9312	32.7714		NED
175.3	332.8683	32.6900		NED
175.7	332.9316	32.7716	B1=19.8, B2=18.1, I=16.2, R1=17.6, R2=17.4	USNO-B1
175.9	332.9295	32.7729	B2=20.0, R1=18.2	USNO-B1
175.9	332.8792	32.7792	B2=20.9, I=18.7, R1=19.1, R2=19.5	USNO-B1
176.0	332.9496	32.7528		NED
176.1	332.8532	32.7001	B1=16.4, B2=16.3, I=15.7, R1=15.8, R2=15.7	USNO-B1
176.2	332.8792	32.7792		NED
176.5	332.9538	32.7236		NED
176.5	332.9540	32.7238	B2=20.6, R2=20.2	USNO-B1
176.6	332.8529	32.7000		NED
176.9	332.8971	32.7817		NED
177.0	332.8792	32.7795	B=21.4, R=19.8	APM-N
177.0	332.8625	32.7728		NED
177.1	332.8799	32.7797	B2=20.9, R1=19.6	USNO-B1
177.5	332.8679	32.7756		NED
177.7	332.8965	32.7820	B2=20.2, I=17.9, R1=18.7, R2=18.9	USNO-B1
178.0	332.8965	32.7821	B=21.4, R=18.9	APM-N
178.9	332.8475	32.7603		NED
179.2	332.8444	32.7093	I=18.9, R2=19.1	USNO-B1
181.0	332.9087	32.7817		NED
181.1	332.9089	32.7819	B2=20.5, R2=20.5	USNO-B1
181.4	332.9192	32.6858		NED
181.9	332.9038	32.7828		NED
182.5	332.8704	32.7783		NED
182.5	332.9190	32.7797	B=20.4, R=19.6	APM-N
182.7	332.8708	32.6867	B=20.8, R=20.0	APM-N
182.8	332.9529	32.7506		NED
184.1	332.9266	32.7771	B2=20.1, R2=19.1	USNO-B1
184.1	332.8954	32.6814		NED
184.5	332.8704	32.6864		NED
184.9	332.8354	32.7333		NED
185.0	332.9254	32.7781		NED
185.4	332.8705	32.6861	B1=20.1, B2=18.7, I=16.4, R1=18.4, R2=17.4	USNO-B1
185.7	332.9387	32.6953		NED
186.3	332.9494	32.7060	B=21.4, R=19.6	APM-N
186.6	332.8697	32.6860	B1=16.0, B2=20.2, I=17.1, R2=16.6	USNO-B1
187.3	332.8842	32.6817		NED
187.4	332.9421	32.7678		NED
188.2	332.9442	32.7661		NED
188.6	332.8344	32.7300	B=21.4, R=20.0	APM-N
189.3	332.8342	32.7300	B2=20.6, I=18.8, R2=19.8	USNO-B1
189.4	332.8911	32.7850	B=20.5, R=16.3	APM-N
189.5	332.8908	32.7850	Mag=15.53	NED
189.6	332.8342	32.7297		NED
189.7	332.8537	32.6944		NED
189.7	332.8910	32.7851	B1=19.3, B2=17.3, I=14.5, R1=15.9, R2=18.7	USNO-B1
190.2	332.8909	32.7852	h=14.6, j=15.5, k=14.0	2MASS
190.3	332.8408	32.7081		NED
190.7	332.8408	32.7082	B1=16.8, B2=16.4, I=14.4, R1=15.1, R2=15.0	USNO-B1
190.7	332.9579	32.7442		NED
191.0	332.8392	32.7544		NED
191.2	332.9046	32.7853		NED
191.4	332.9047	32.7853	I=18.8, R1=19.5, R2=20.4	USNO-B1
191.5	332.8577	32.6907	B2=19.9, I=18.7	USNO-B1
191.5	332.8825	32.7844		NED
191.8	332.8425	32.7047		NED
192.1	332.8425	32.7047		NED
192.1	332.8576	32.6906	B=21.4, R=18.4	APM-N
192.1	332.9600	32.7358		NED
192.2	332.8462	32.7650		NED
192.3	332.9600	32.7292		NED
192.3	332.8413	32.7586		NED
192.4	332.9588	32.7214		NED
192.6	332.9276	32.6859	B2=20.9, I=18.6, R1=19.3, R2=19.5	USNO-B1
192.7	332.8575	32.6906		NED
192.8	332.8500	32.7689		NED
192.9	332.9588	32.7214		NED
193.0	332.9571	32.7164		NED
193.2	332.9275	32.6856		NED
193.4	332.8879	32.7858		NED
193.4	332.9013	32.7861		NED
193.4	332.8354	32.7483		NED
193.6	332.8975	32.7864		NED
193.8	332.8467	32.6989	B=20.3, R=18.9	APM-N
193.9	332.9015	32.7863	B2=20.9, I=18.1, R1=19.3, R2=19.6	USNO-B1
193.9	332.8975	32.6789		NED
194.2	332.8329	32.7381		NED
194.4	332.9146	32.7844		NED
194.5	332.9148	32.7844	B2=20.3, I=18.4, R2=20.0	USNO-B1
194.7	332.8754	32.7836		NED
195.1	332.8436	32.7018	B1=16.1, B2=16.1, I=15.4, R1=15.8, R2=15.7	USNO-B1
195.4	332.8433	32.7019		NED
196.5	332.9383	32.6908		NED
196.7	332.9604	32.7425		NED
196.8	332.9271	32.7808		NED
196.9	332.8901	32.7870	B2=20.6, I=18.0, R2=19.9	USNO-B1
197.2	332.8751	32.6809	B1=20.0, B2=19.2, I=18.6, R1=19.2, R2=18.8	USNO-B1
197.3	332.9250	32.6833		NED
197.9	332.8675	32.6833		NED
198.7	332.9488	32.6992		NED
199.0	332.8617	32.6858		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