Swift Trigger: 1085430;

Presumed name: GRB 211129A

BAT	18^h 18^m 13.68^s, +31° 46′ 33.6″
position:	(274.557, 31.776 ± 180″)
XRT	18^h 18^m 19.45^s, +31° 47′ 16.7″
position:	(274.58104, 31.78796 ± 3.7″)
UVOT	No position available.
Galactic N_HI:	6.74×10²⁰ cm^-2
Galactic E(B-V):	0.084 mag

Best RA:	18^h 18^m 19.45^s	= 274.58104 d
Best Dec:	+31° 47′ 16.7″	= 31.78796 d

Gal Lat:	20.43
Gal Long:	59.08

Sun angle:	60.20°, -1.9 hr East of Sun

Galaxies within 200 of XRT position

	RA*	Dec*		Catalogue
16.8	274.5817	31.7925		NED
17.1	274.5819	31.7927	B=21.1, R=20.0	APM-N
17.3	274.5841	31.7839	B=19.3, R=17.0	APM-N
17.4	274.5842	31.7839		NED
18.4	274.5830	31.7928	I=17.6, R2=16.5	USNO-B1
20.0	274.5840	31.7929	B2=19.4, I=16.8, R2=18.0	USNO-B1
26.9	274.5879	31.7928		NED
28.3	274.5763	31.7947		NED
28.7	274.5721	31.7908		NED
29.8	274.5713	31.7867		NED
43.2	274.5915	31.7960	B=20.1, R=20.0	APM-N
43.5	274.5917	31.7961		NED
43.5	274.5916	31.7960	h=15.0, j=15.6, k=14.3	2MASS
43.6	274.5721	31.7786		NED
45.6	274.5714	31.7783	I=18.5, R1=19.6, R2=19.0	USNO-B1
47.2	274.5962	31.7906		NED
47.7	274.5963	31.7906	R1=19.3, R2=19.1	USNO-B1
53.7	274.5979	31.7836		NED
54.8	274.5654	31.7803		NED
55.9	274.5775	31.7728		NED
59.4	274.5621	31.7839		NED
62.0	274.5683	31.7744		NED
62.9	274.5961	31.7761	B1=20.5, B2=20.5, R2=19.1	USNO-B1
64.9	274.5788	31.8058		NED
67.4	274.6017	31.7942		NED
68.5	274.5650	31.7747		NED
74.6	274.5804	31.7672		NED
74.8	274.5996	31.7744		NED
74.9	274.5750	31.7678		NED
74.9	274.6054	31.7872		NED
75.5	274.5750	31.7676	B2=20.4, I=18.8, R1=19.9, R2=19.1	USNO-B1
75.8	274.5613	31.7750		NED
76.7	274.5888	31.8081		NED
77.4	274.5954	31.7703	B=20.8, R=19.5	APM-N
77.6	274.5954	31.7703		NED
77.8	274.5975	31.8044		NED
78.0	274.5554	31.7881		NED
78.5	274.5976	31.8046	B2=20.0, I=18.1, R1=18.4, R2=18.5	USNO-B1
78.5	274.5571	31.7958		NED
79.2	274.5567	31.7803		NED
79.7	274.5854	31.8097		NED
79.9	274.5559	31.7820	B=21.6, R=20.0	APM-N
80.0	274.5558	31.7822	B1=20.2, B2=20.5, R2=19.1	USNO-B1
81.8	274.6075	31.7919		NED
82.3	274.5708	31.7667		NED
84.7	274.5971	31.8069		NED
84.8	274.5538	31.7922		NED
85.6	274.5972	31.8074	B=22.1, R=19.6	APM-N
87.1	274.6071	31.7975		NED
90.5	274.5756	31.7633	B1=19.4, B2=19.7, I=18.6, R1=18.5, R2=18.7	USNO-B1
90.7	274.5654	31.8092		NED
90.7	274.5925	31.8111		NED
90.8	274.5800	31.7628		NED
90.9	274.6092	31.7803		NED
91.1	274.5542	31.7772		NED
92.2	274.5558	31.8022		NED
93.1	274.5525	31.7969		NED
93.6	274.5692	31.8119		NED
94.3	274.6035	31.7700	B1=20.5, I=18.7, R2=19.1	USNO-B1
94.3	274.5767	31.7619		NED
94.6	274.5688	31.7639		NED
95.0	274.6079	31.8011		NED
95.3	274.6107	31.7798	B1=19.6, B2=20.1, I=18.4, R1=18.9, R2=18.8	USNO-B1
97.4	274.6042	31.7694		NED
97.5	274.5962	31.7642		NED
97.9	274.5571	31.8058		NED
98.2	274.5804	31.8153		NED
98.6	274.5798	31.8153	B=21.4, R=20.0	APM-N
100.4	274.5705	31.8144	B2=19.7, R1=18.2, R2=18.8	USNO-B1
102.1	274.5492	31.7794		NED
102.5	274.5496	31.7978		NED
103.0	274.6130	31.7789	B=22.1, R=20.0	APM-N
103.4	274.5517	31.8022		NED
103.4	274.5488	31.7966	R1=19.9, R2=19.1	USNO-B1
103.4	274.6042	31.8089		NED
104.1	274.6133	31.7792		NED
104.5	274.5515	31.8025	B=21.4, R=19.3	APM-N
104.6	274.5471	31.7848	B=18.0, R=17.4	APM-N
104.8	274.5471	31.7850		NED
105.5	274.5487	31.7778	B1=19.3, B2=20.1, I=18.4, R1=19.2, R2=18.6	USNO-B1
105.8	274.5592	31.7650		NED
106.0	274.5725	31.7594		NED
106.5	274.5845	31.8174	B2=20.4, R2=19.1	USNO-B1
108.2	274.5462	31.7928		NED
108.3	274.5461	31.7929	B1=15.7, B2=16.3, I=14.2, R1=14.6, R2=14.7	USNO-B1
109.2	274.6017	31.8128		NED
109.8	274.5775	31.8183		NED
109.8	274.5975	31.7608		NED
112.6	274.5904	31.7578		NED
112.7	274.6050	31.7642		NED
113.7	274.6175	31.7819		NED
115.2	274.6012	31.7608		NED
116.0	274.6004	31.8156		NED
116.0	274.5721	31.8194		NED
116.6	274.5817	31.7556		NED
117.5	274.5771	31.8206		NED
118.0	274.5882	31.7558	B=22.0, R=19.9	APM-N
118.1	274.5771	31.8206		NED
118.9	274.5879	31.7556		NED
119.2	274.5608	31.8164		NED
119.2	274.5942	31.8192		NED
119.4	274.6123	31.8078	B=21.9, R=20.0	APM-N
120.1	274.5417	31.7906		NED
120.4	274.5546	31.7633		NED
120.8	274.5804	31.8214		NED
120.8	274.6154	31.8042		NED
121.9	274.5421	31.7808		NED
122.0	274.6125	31.8086		NED
124.1	274.5404	31.7878		NED
124.3	274.5942	31.7553		NED
124.6	274.5650	31.8197		NED
125.2	274.5408	31.7944		NED
125.4	274.5575	31.8164		NED
125.6	274.5671	31.7551	B1=20.2, B2=20.5, I=18.9, R2=19.1	USNO-B1
125.7	274.5672	31.7551	B=21.4, R=20.0	APM-N
127.3	274.5408	31.7981		NED
129.5	274.5604	31.7564		NED
130.0	274.5454	31.8075		NED
131.5	274.5454	31.7672		NED
132.1	274.6083	31.7594		NED
132.9	274.6188	31.7697		NED
133.0	274.6225	31.7772		NED
133.2	274.5475	31.8117		NED
133.3	274.6004	31.7550		NED
133.8	274.6246	31.7869		NED
134.0	274.5379	31.7811		NED
135.7	274.5528	31.7589	B=21.3, R=20.0	APM-N
135.8	274.5829	31.8256		NED
136.1	274.5496	31.8150		NED
136.1	274.5387	31.7994		NED
136.2	274.5508	31.7603		NED
138.1	274.5383	31.7753		NED
138.4	274.5525	31.7581		NED
138.4	274.5842	31.8264		NED
138.8	274.6254	31.7800		NED
139.5	274.6087	31.8186		NED
139.7	274.6183	31.7656		NED
139.7	274.5358	31.7833		NED
140.8	274.5546	31.8200		NED
141.0	274.5854	31.7489		NED
141.5	274.5412	31.7681		NED
141.5	274.6267	31.7822		NED
141.8	274.5763	31.7489		NED
142.3	274.5658	31.7506		NED
142.7	274.5387	31.7714	B2=20.5, I=18.7, R1=19.5, R2=19.1	USNO-B1
142.9	274.5387	31.7714		NED
143.0	274.6154	31.7611		NED
143.3	274.6092	31.7561		NED
144.4	274.5904	31.8272		NED
144.7	274.5371	31.8031		NED
144.7	274.5373	31.8034	B1=20.2, B2=19.5	USNO-B1
145.1	274.6004	31.8247		NED
145.2	274.5604	31.7517		NED
147.1	274.6188	31.8133		NED
147.3	274.6275	31.7983		NED
148.0	274.5692	31.8278		NED
148.0	274.5537	31.7541	B1=16.8, B2=17.6, I=15.6, R1=15.8, R2=16.2	USNO-B1
148.3	274.5796	31.7467		NED
149.0	274.5533	31.7539		NED
149.1	274.6290	31.7808	I=18.6, R2=18.9	USNO-B1
149.6	274.6292	31.7806		NED
149.9	274.5658	31.7483		NED
150.4	274.6250	31.8064		NED
150.4	274.5800	31.8297		NED
150.8	274.6233	31.7667		NED
151.8	274.6276	31.8025	B=19.8, R=18.6	APM-N
152.6	274.6275	31.8031		NED
153.3	274.5842	31.7456		NED
154.7	274.5767	31.7453		NED
154.9	274.6108	31.8228		NED
154.9	274.5653	31.8289	B=20.0, R=18.4	APM-N
155.5	274.5346	31.7706		NED
155.8	274.5642	31.8289		NED
155.8	274.6171	31.7575		NED
155.8	274.6317	31.7908		NED
156.8	274.6322	31.7906	B=19.9, R=17.2	APM-N
156.8	274.5321	31.7747		NED
157.1	274.6321	31.7908		NED
158.0	274.5903	31.7448	B2=20.5, I=17.9, R1=18.7, R2=18.7	USNO-B1
158.1	274.5304	31.7783		NED
158.2	274.5904	31.7447		NED
158.9	274.5967	31.7458		NED
159.8	274.6302	31.7731	B2=20.4, R1=18.6	USNO-B1
160.0	274.5950	31.8308		NED
160.3	274.5387	31.7614		NED
160.8	274.6258	31.7647		NED
161.4	274.5708	31.8319		NED
161.7	274.6308	31.7728	B=21.3, R=18.3	APM-N
162.0	274.6308	31.7728		NED
162.2	274.6337	31.7826	B2=19.9, R2=19.1	USNO-B1
162.4	274.5658	31.7447		NED
162.4	274.6163	31.7542		NED
163.0	274.5279	31.7906	B=21.9, R=19.9	APM-N
163.4	274.5554	31.7481		NED
163.7	274.5275	31.7903		NED
163.9	274.5596	31.8297		NED
163.9	274.5660	31.7442	B1=16.8, B2=17.5, I=15.6, R1=15.9, R2=16.1	USNO-B1
165.3	274.6238	31.8158		NED
165.4	274.5973	31.7442	B1=19.2, B2=19.9, I=18.0, R1=18.7, R2=18.1	USNO-B1
166.3	274.5317	31.7689		NED
167.0	274.6029	31.8303		NED
167.0	274.5500	31.7497		NED
167.3	274.5933	31.8333		NED
167.9	274.5329	31.7656		NED
168.5	274.5838	31.8347		NED
168.7	274.5350	31.8139		NED
173.2	274.5783	31.7400		NED
173.3	274.5788	31.7397		NED
173.9	274.5246	31.7925		NED
174.2	274.6317	31.7658		NED
174.4	274.6375	31.7947		NED
175.2	274.5942	31.7406		NED
175.9	274.6371	31.7986		NED
176.9	274.5238	31.7803		NED
177.4	274.5271	31.7703		NED
177.8	274.5967	31.8356		NED
177.8	274.6217	31.7528		NED
179.0	274.5567	31.8332	B2=20.5, R2=18.9	USNO-B1
179.3	274.5567	31.8333		NED
179.3	274.5721	31.7389		NED
179.3	274.5250	31.7731		NED
181.3	274.5596	31.8350		NED
181.6	274.6196	31.8264		NED
181.8	274.6342	31.8103		NED
181.9	274.6171	31.8281		NED
181.9	274.6174	31.8280	B1=19.7, I=18.1, R2=19.1	USNO-B1
182.0	274.6079	31.8331		NED
182.7	274.5229	31.7756		NED
182.9	274.5517	31.8322		NED
183.2	274.6292	31.7575		NED
183.3	274.5518	31.8324	B2=20.4, I=18.4, R1=19.3, R2=18.9	USNO-B1
184.6	274.5267	31.8103		NED
185.0	274.5375	31.8236		NED
185.4	274.6267	31.8217		NED
185.4	274.6175	31.7468	B=22.0, R=20.0	APM-N
185.6	274.5671	31.7378		NED
186.2	274.5200	31.7875		NED
186.7	274.5242	31.8072		NED
187.6	274.6404	31.7750		NED
187.9	274.6054	31.8358		NED
188.3	274.6408	31.7754	B1=19.8, B2=20.4, I=17.8, R2=18.7	USNO-B1
188.3	274.5271	31.7628		NED
188.8	274.5321	31.7561		NED
188.9	274.6383	31.8078		NED
189.9	274.5192	31.7825		NED
190.5	274.5300	31.8181		NED
191.1	274.6371	31.7647		NED
191.2	274.6201	31.7465	B=19.0, R=17.0	APM-N
191.3	274.5924	31.7357	B1=19.8, B2=20.3, I=17.9, R1=18.8, R2=18.7	USNO-B1
191.3	274.6200	31.7464		NED
191.3	274.6254	31.8256		NED
191.5	274.5925	31.7356		NED
191.9	274.6408	31.8042		NED
191.9	274.5567	31.8372		NED
192.3	274.5392	31.8281		NED
192.8	274.5500	31.7414		NED
192.9	274.6075	31.7393	B=22.1, R=19.9	APM-N
193.4	274.6392	31.7672		NED
193.5	274.5746	31.7344		NED
193.8	274.6075	31.7392		NED
194.1	274.5546	31.7389		NED
194.1	274.5250	31.7625		NED
194.2	274.6350	31.7597		NED
195.4	274.6450	31.7878		NED
195.5	274.5246	31.8136		NED
195.6	274.5433	31.8317		NED
196.5	274.5431	31.8320	I=18.9, R2=19.1	USNO-B1
196.6	274.5417	31.7447		NED
196.7	274.6454	31.7878		NED
197.1	274.5479	31.8350		NED
197.6	274.6008	31.8403		NED
197.8	274.5663	31.7344		NED
198.7	274.5621	31.8408		NED
199.3	274.6012	31.8406		NED
199.4	274.6075	31.8386		NED
199.8	274.5188	31.8053		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