Swift Trigger: 1090853;

Presumed name: GRB 211225B

BAT	17^h 14^m 16.32^s, +17° 15′ 43.2″
position:	(258.568, +17.262 ± 180″)
XRT	No position available.
UVOT	No position available.
Galactic N_HI:	6.14×10²⁰ cm^-2
Galactic E(B-V):	0.079 mag

Best RA:	17^h 14^m 16.32^s	= 258.568 d
Best Dec:	+17° 15′ 43.2″	= +17.262 d

Gal Lat:	29.01
Gal Long:	38.51

Sun angle:	43.35°, 1.0 hr West

Galaxies within 200 of BAT position

	RA*	Dec*		Catalogue
12.8	258.5646	17.2631		NED
15.5	258.5722	17.2635	B1=18.9, B2=18.0, I=15.4, R1=16.3, R2=16.3	USNO-B1
15.5	258.5721	17.2633		NED
25.7	258.5725	17.2678		NED
26.2	258.5638	17.2558		NED
32.1	258.5671	17.2708		NED
32.3	258.5767	17.2650		NED
34.2	258.5591	17.2578	B=20.3, R=20.0	APM-N
35.6	258.5742	17.2697		NED
38.2	258.5587	17.2561		NED
39.5	258.5575	17.2664		NED
48.2	258.5813	17.2656		NED
48.3	258.5816	17.2655	B1=21.7, B2=21.3, I=18.9, R1=19.4, R2=19.5	USNO-B1
49.6	258.5542	17.2667		NED
52.9	258.5567	17.2719		NED
53.6	258.5788	17.2511		NED
54.2	258.5829	17.2567		NED
56.3	258.5692	17.2775		NED
59.4	258.5642	17.2781		NED
60.3	258.5619	17.2777	B2=20.2, I=18.9, R2=19.7	USNO-B1
61.7	258.5779	17.2478		NED
63.1	258.5750	17.2458		NED
64.0	258.5728	17.2792	B=22.1, R=19.4	APM-N
64.7	258.5492	17.2600		NED
65.2	258.5729	17.2794		NED
67.1	258.5488	17.2650		NED
68.5	258.5500	17.2542		NED
70.3	258.5654	17.2425		NED
71.5	258.5487	17.2545	B2=21.8, I=18.9, R1=19.5	USNO-B1
72.1	258.5720	17.2423	B2=21.6, I=19.2, R1=19.2, R2=20.2	USNO-B1
72.1	258.5717	17.2422		NED
73.5	258.5813	17.2461		NED
77.0	258.5650	17.2833		NED
77.4	258.5879	17.2717		NED
79.7	258.5908	17.2656		NED
80.1	258.5783	17.2819		NED
81.2	258.5546	17.2808		NED
81.4	258.5908	17.2683		NED
83.0	258.5454	17.2536		NED
83.7	258.5471	17.2736		NED
83.7	258.5821	17.2431		NED
85.3	258.5716	17.2855	B=21.7, R=20.0	APM-N
85.6	258.5563	17.2408		NED
85.7	258.5433	17.2572		NED
85.8	258.5875	17.2472		NED
87.1	258.5933	17.2639		NED
87.7	258.5438	17.2697		NED
88.9	258.5900	17.2747		NED
90.0	258.5479	17.2783		NED
91.0	258.5417	17.2611		NED
91.7	258.5458	17.2761		NED
92.3	258.5456	17.2762	I=19.0, R1=19.9, R2=19.5	USNO-B1
93.0	258.5456	17.2475	B2=19.8, R1=19.8, R2=19.7	USNO-B1
94.4	258.5454	17.2469		NED
94.6	258.5863	17.2425		NED
95.9	258.5587	17.2872		NED
96.5	258.5462	17.2450	B2=19.6, I=18.5, R2=18.7	USNO-B1
96.7	258.5400	17.2650		NED
97.0	258.5458	17.2453		NED
97.7	258.5587	17.2361		NED
98.1	258.5404	17.2697		NED
98.7	258.5457	17.2447	B=19.4, R=18.6	APM-N
99.1	258.5696	17.2894		NED
99.6	258.5392	17.2639		NED
99.9	258.5779	17.2881	B=22.1, R=19.8	APM-N
101.2	258.5560	17.2363	I=19.2, R2=20.6	USNO-B1
101.2	258.5783	17.2883		NED
101.3	258.5846	17.2389		NED
101.4	258.5467	17.2814		NED
101.6	258.5558	17.2361		NED
101.6	258.5958	17.2528		NED
103.1	258.5646	17.2906		NED
103.3	258.5379	17.2586		NED
103.9	258.5512	17.2861		NED
103.9	258.5379	17.2592	B=21.8, R=20.0	APM-N
104.8	258.5376	17.2646	B2=21.0, I=19.0, R2=19.9	USNO-B1
105.0	258.5933	17.2778		NED
105.1	258.5935	17.2782	B2=20.7, R1=19.8, R2=19.5	USNO-B1
106.6	258.5875	17.2847		NED
107.9	258.5506	17.2869	I=19.1, R1=19.8	USNO-B1
108.2	258.5371	17.2672		NED
110.0	258.5363	17.2659	B2=21.3, R2=19.5	USNO-B1
111.1	258.5908	17.2839		NED
111.4	258.6000	17.2583		NED
111.8	258.5996	17.2692		NED
112.3	258.5450	17.2842		NED
112.6	258.5817	17.2906		NED
113.8	258.5350	17.2619		NED
114.0	258.5688	17.2303		NED
115.9	258.6004	17.2533		NED
117.3	258.6013	17.2547	B=20.7, R=19.4	APM-N
120.5	258.5921	17.2378		NED
122.0	258.5325	17.2611		NED
122.1	258.5900	17.2886		NED
122.8	258.5754	17.2286		NED
123.5	258.5486	17.2331	B2=21.7, I=19.5	USNO-B1
126.4	258.5608	17.2964		NED
126.4	258.5867	17.2922	I=12.8, R1=19.9	USNO-B1
127.6	258.5800	17.2956		NED
127.9	258.5325	17.2508		NED
128.1	258.5646	17.2975		NED
128.4	258.5987	17.2419		NED
130.7	258.5350	17.2797		NED
131.2	258.5883	17.2928		NED
132.3	258.5296	17.2639		NED
132.5	258.5808	17.2275		NED
133.7	258.6052	17.2512	I=18.4, R1=19.8	USNO-B1
134.8	258.6054	17.2514		NED
135.4	258.6004	17.2831		NED
135.8	258.6022	17.2808	B1=19.1, B2=18.4, I=17.9, R1=17.5, R2=17.5	USNO-B1
135.8	258.5462	17.2306		NED
135.9	258.5292	17.2689		NED
136.0	258.6021	17.2808		NED
136.1	258.5917	17.2319		NED
136.7	258.5975	17.2367		NED
137.3	258.6050	17.2475		NED
137.7	258.5286	17.2554	B1=20.1, B2=18.9, I=18.1, R1=18.3, R2=18.1	USNO-B1
137.8	258.5283	17.2553		NED
138.4	258.5471	17.2948	B1=21.2, I=18.3	USNO-B1
139.3	258.5589	17.2243	B=18.2, R=20.0	APM-N
139.4	258.5308	17.2772		NED
139.5	258.6071	17.2722		NED
139.6	258.6079	17.2561		NED
139.9	258.5521	17.2978		NED
140.5	258.5578	17.2242	B2=17.4, I=18.3, R1=19.7	USNO-B1
140.6	258.5946	17.2917		NED
140.9	258.5946	17.2918	B1=17.2, B2=16.8, I=15.3, R1=16.0, R2=15.9	USNO-B1
141.7	258.5333	17.2836		NED
143.0	258.5288	17.2750		NED
143.5	258.5471	17.2964		NED
144.2	258.5634	17.2222	B=22.1, R=19.5	APM-N
145.0	258.5400	17.2922		NED
145.1	258.5308	17.2431		NED
145.3	258.6054	17.2436		NED
145.3	258.5854	17.2253		NED
145.4	258.5708	17.3022		NED
145.5	258.6104	17.2617		NED
145.7	258.5269	17.2519	B=19.7, R=18.8	APM-N
146.0	258.5852	17.2249	B2=21.5, I=19.7	USNO-B1
146.0	258.5508	17.2249	B2=21.7, R2=21.0	USNO-B1
147.1	258.5460	17.2971	B1=20.1, I=14.5	USNO-B1
147.5	258.5254	17.2669		NED
149.5	258.5362	17.2336		NED
149.5	258.5417	17.2953		NED
149.5	258.5589	17.2214	I=19.0, R1=19.4	USNO-B1
150.4	258.5413	17.2951	B2=21.3, I=18.9	USNO-B1
151.6	258.5729	17.2203		NED
151.6	258.5950	17.2953		NED
151.9	258.5871	17.3000		NED
152.0	258.5258	17.2750		NED
152.3	258.5875	17.3000		NED
155.6	258.6033	17.2889		NED
155.9	258.6125	17.2536		NED
156.2	258.5400	17.2278		NED
157.7	258.5275	17.2415	B=21.6, R=19.5	APM-N
157.8	258.5638	17.3056		NED
159.0	258.5800	17.3047		NED
159.9	258.5317	17.2339		NED
160.3	258.5894	17.3015	B2=20.3, I=10.8	USNO-B1
160.8	258.5617	17.3063	B2=20.3, I=14.1	USNO-B1
162.0	258.5331	17.2317	B1=20.6, I=18.4, R1=20.1	USNO-B1
162.1	258.5525	17.3044		NED
162.2	258.6021	17.2308		NED
162.5	258.5575	17.3061		NED
162.7	258.5733	17.3069		NED
162.9	258.5515	17.3044	B1=21.7, I=16.0, R1=19.9	USNO-B1
163.3	258.5875	17.2206		NED
163.7	258.5359	17.2284	B2=21.6, R2=18.7	USNO-B1
165.2	258.5660	17.2161	I=18.8, R2=20.0	USNO-B1
165.4	258.5757	17.2166	B=20.1, R=17.7	APM-N
165.8	258.5673	17.2160	B2=20.6, I=19.6, R2=19.4	USNO-B1
165.8	258.5754	17.2164		NED
165.8	258.5644	17.2161	B2=20.7, I=18.2, R2=18.4	USNO-B1
165.8	258.5756	17.2165	B2=19.2, I=17.6, R1=17.8, R2=17.6	USNO-B1
166.0	258.5925	17.3017		NED
166.3	258.5813	17.2175		NED
167.0	258.6158	17.2536		NED
168.1	258.6130	17.2438	B1=20.9, B2=21.1	USNO-B1
168.1	258.5587	17.2161		NED
169.3	258.6017	17.2964		NED
169.8	258.5412	17.3017		NED
170.2	258.6125	17.2828		NED
171.1	258.5725	17.3094		NED
171.4	258.5713	17.3094		NED
171.8	258.6179	17.2583		NED
172.4	258.5534	17.2162	I=19.0, R2=17.9	USNO-B1
172.6	258.5942	17.2211		NED
172.6	258.5825	17.3078		NED
172.7	258.6154	17.2781		NED
172.8	258.6153	17.2784	B=18.4, R=17.5	APM-N
173.3	258.5528	17.2161	I=16.2, R2=17.4	USNO-B1
173.4	258.6113	17.2375		NED
173.6	258.5442	17.2194	B1=18.6, B2=18.0, I=17.3, R1=17.1, R2=17.1	USNO-B1
173.6	258.5442	17.2194		NED
174.2	258.5945	17.2208	B2=20.2, I=18.5	USNO-B1
174.5	258.5950	17.2210	B2=19.9, I=18.6, R1=19.3	USNO-B1
174.7	258.5953	17.2211	B=20.2, R=19.0	APM-N
175.1	258.6083	17.2322		NED
175.3	258.5196	17.2469		NED
176.3	258.5271	17.2917		NED
176.9	258.5316	17.2967	B2=21.4, I=19.0, R1=20.0, R2=19.9	USNO-B1
177.0	258.5617	17.3108		NED
177.1	258.5317	17.2969		NED
177.3	258.6137	17.2394		NED
178.2	258.5204	17.2817		NED
180.1	258.6200	17.2683		NED
180.3	258.5630	17.3118	B2=17.8, I=18.2, R2=16.9	USNO-B1
180.3	258.5633	17.3119		NED
180.5	258.5800	17.3108		NED
181.4	258.5158	17.2708		NED
181.4	258.5987	17.3031		NED
183.4	258.6175	17.2428		NED
183.7	258.6175	17.2433		NED
183.7	258.5858	17.2139	B2=21.8, I=18.4, R2=20.1	USNO-B1
184.0	258.5858	17.2139		NED
184.2	258.6133	17.2892		NED
184.5	258.5680	17.2107	I=19.7, R2=21.0	USNO-B1
185.6	258.5550	17.3119		NED
185.8	258.6196	17.2778		NED
185.9	258.6217	17.2547		NED
186.7	258.5583	17.2110	I=18.7, R2=18.3	USNO-B1
186.8	258.5138	17.2567		NED
187.4	258.5204	17.2364		NED
187.4	258.5154	17.2481		NED
188.1	258.5152	17.2482	B=21.0, R=18.6	APM-N
188.7	258.5585	17.2104	I=18.6, R2=18.4	USNO-B1
188.8	258.5987	17.3053		NED
189.2	258.5587	17.2102	I=18.1, R2=20.0	USNO-B1
189.9	258.5583	17.3139		NED
190.4	258.5242	17.2294		NED
190.6	258.5125	17.2606		NED
191.5	258.5138	17.2742		NED
191.6	258.6067	17.2239		NED
192.2	258.5586	17.2094	I=18.6, R2=20.1	USNO-B1
192.2	258.6236	17.2562	B=21.8, R=20.0	APM-N
192.4	258.5146	17.2456		NED
192.5	258.5946	17.2150		NED
192.6	258.5938	17.2145	I=14.5, R1=19.7	USNO-B1
193.4	258.5158	17.2422		NED
194.3	258.5586	17.2088	I=19.1, R1=19.3, R2=20.4	USNO-B1
194.4	258.5582	17.2088	I=18.8, R2=20.3	USNO-B1
194.5	258.5123	17.2523	B2=20.8, I=19.1	USNO-B1
194.6	258.5688	17.3161		NED
195.6	258.5847	17.3139	B1=21.3, I=17.0	USNO-B1
195.8	258.6239	17.2518	R1=19.7, R2=20.8	USNO-B1
198.2	258.6246	17.2725		NED
198.2	258.5383	17.2147		NED
198.5	258.5467	17.3133		NED
198.8	258.5888	17.3136		NED
199.0	258.5116	17.2496	B2=21.5, I=18.7, R2=19.3	USNO-B1
199.8	258.5754	17.2069		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