Swift Trigger: 932608;

Presumed name: GRB 191031D

BAT	18^h 53^m 06.00^s, +47° 38′ 20.4″
position:	(283.275, +47.639 ± 180″)
XRT	18^h 53^m 09.36^s, +47° 38′ 37.7″
position:	(283.2890, 47.6438 ± 2.3″)
UVOT	No position available.
Galactic N_HI:	5.23×10⁰ cm^-2
Galactic E(B-V):	0.071 mag

Best RA:	18^h 53^m 09.36^s	= 283.2890 d
Best Dec:	+47° 38′ 37.7″	= 47.6438 d

Gal Lat:	19.42
Gal Long:	77.34

Sun angle:	86.16°, -4.5 hr East of Sun

¹Sper #2 auto processing.

Galaxies within 3.33 of XRT position

	RA*	Dec*		Catalogue
3.2	283.2875	47.6439		NED
12.2	283.2854	47.6464		NED
17.0	283.2930	47.6477	I=19.2, R2=20.6	USNO-B1
18.1	283.2958	47.6419		NED
21.2	283.2871	47.6381		NED
22.0	283.2942	47.6389		NED
25.6	283.2817	47.6386		NED
27.8	283.3005	47.6436	B1=21.3, B2=20.8, R2=20.6	USNO-B1
28.0	283.2944	47.6369	B2=21.9, R2=20.2	USNO-B1
29.0	283.3004	47.6461		NED
29.1	283.2850	47.6514		NED
29.2	283.2852	47.6515	B1=20.9, B2=20.0, I=16.6, R1=17.8, R2=18.0	USNO-B1
30.7	283.2929	47.6357	B2=21.4, R2=20.5	USNO-B1
32.1	283.2763	47.6463	B1=20.8, B2=16.6, I=17.4, R2=16.8	USNO-B1
32.8	283.2983	47.6506		NED
33.1	283.2758	47.6467		NED
33.2	283.2758	47.6463	B=18.1, R=16.5	APM-N
36.0	283.3038	47.6453		NED
37.7	283.2792	47.6519		NED
39.6	283.2862	47.6547		NED
41.9	283.3009	47.6522	I=17.4, R2=18.5	USNO-B1
45.1	283.3075	47.6428		NED
46.3	283.2937	47.6314		NED
46.6	283.2929	47.6311		NED
47.8	283.2842	47.6308		NED
48.4	283.3038	47.6347		NED
48.5	283.2922	47.6305	B=21.9, R=19.9	APM-N
49.4	283.3054	47.6519		NED
50.0	283.2775	47.6322		NED
52.4	283.2796	47.6569		NED
53.9	283.2713	47.6347		NED
54.2	283.2842	47.6586		NED
54.3	283.2709	47.6349	B1=21.0, B2=19.9, I=18.2, R1=19.2, R2=19.0	USNO-B1
54.3	283.2713	47.6346	B2=20.2, I=18.0, R2=18.6	USNO-B1
57.0	283.3090	47.6521	B2=14.5, I=11.8	USNO-B1
57.8	283.2945	47.6594	B=20.5, R=18.9	APM-N
58.9	283.3100	47.6519		NED
59.1	283.2658	47.6489		NED
59.6	283.2771	47.6292		NED
60.2	283.3025	47.6578		NED
61.5	283.2679	47.6531		NED
64.7	283.2837	47.6261		NED
67.0	283.2915	47.6253	B2=20.3, I=18.3, R1=18.6	USNO-B1
68.2	283.2967	47.6256		NED
68.4	283.3167	47.6475		NED
70.4	283.2825	47.6247		NED
73.7	283.3006	47.6249	B2=18.3, R1=19.0	USNO-B1
73.9	283.2983	47.6633		NED
74.6	283.3042	47.6258		NED
74.9	283.3108	47.6586		NED
76.9	283.3204	47.6431		NED
76.9	283.2950	47.6647		NED
77.2	283.3208	47.6431	B1=15.5, B2=14.8, I=13.3, R1=13.8, R2=13.9	USNO-B1
77.3	283.3112	47.6286		NED
77.9	283.3044	47.6248	B2=19.5, R1=19.3, R2=18.1	USNO-B1
79.1	283.3096	47.6608		NED
79.4	283.2571	47.6392		NED
79.6	283.2933	47.6219		NED
83.0	283.2804	47.6214		NED
83.4	283.2687	47.6250		NED
83.4	283.2668	47.6615	B2=21.1, R2=18.2	USNO-B1
83.5	283.3121	47.6608		NED
84.1	283.3025	47.6653		NED
84.7	283.2663	47.6617		NED
86.2	283.2587	47.6563	B=21.1, R=19.1	APM-N
87.1	283.3221	47.6344		NED
87.1	283.2904	47.6197		NED
88.7	283.3187	47.6581		NED
89.7	283.3191	47.6583	I=18.7, R2=19.0	USNO-B1
91.3	283.2512	47.6417		NED
91.7	283.3263	47.6483		NED
92.0	283.2667	47.6231		NED
92.5	283.2942	47.6183		NED
92.5	283.3225	47.6558		NED
93.9	283.3246	47.6336		NED
94.1	283.3200	47.6283		NED
94.7	283.3249	47.6335	I=18.8, R1=20.5, R2=18.8	USNO-B1
95.5	283.3153	47.6241	B=20.2, R=19.0	APM-N
95.7	283.3150	47.6239		NED
97.0	283.3096	47.6207	B1=17.4, B2=16.5, I=15.4, R1=15.9, R2=15.6	USNO-B1
97.3	283.3096	47.6206		NED
97.3	283.3092	47.6672		NED
97.6	283.2667	47.6664		NED
99.1	283.3125	47.6664		NED
99.4	283.2825	47.6711		NED
100.3	283.2529	47.6300		NED
101.0	283.2550	47.6600		NED
102.7	283.2475	47.6386		NED
104.1	283.2535	47.6275	R1=18.0, R2=20.4	USNO-B1
104.4	283.3018	47.6715	B2=21.4, R2=19.5	USNO-B1
104.8	283.2571	47.6633		NED
104.9	283.3017	47.6717		NED
104.9	283.3023	47.6715	I=19.2, R1=19.9	USNO-B1
105.5	283.3165	47.6211	B2=21.3, I=19.2, R1=19.8, R2=19.6	USNO-B1
105.7	283.3312	47.6511		NED
106.1	283.3265	47.6590	B1=20.6, B2=20.2, I=17.5, R1=18.5, R2=18.8	USNO-B1
106.2	283.3267	47.6589		NED
106.3	283.3283	47.6567		NED
107.8	283.2475	47.6544		NED
107.9	283.3321	47.6513	B=18.7, R=17.1	APM-N
108.1	283.2717	47.6161		NED
109.6	283.2445	47.6491	I=19.4, R2=20.4	USNO-B1
109.6	283.3288	47.6294		NED
109.6	283.2904	47.6742	B1=21.4, I=19.2, R2=19.2	USNO-B1
110.5	283.3200	47.6214		NED
110.6	283.2442	47.6489		NED
111.8	283.2906	47.6748	B2=20.9, I=19.1, R1=20.2, R2=19.9	USNO-B1
112.4	283.2508	47.6261		NED
112.4	283.2425	47.6453		NED
112.8	283.2475	47.6294		NED
113.5	283.2475	47.6293	B2=21.6, I=19.2, R2=18.9	USNO-B1
114.3	283.2467	47.6581		NED
114.4	283.3233	47.6653		NED
114.4	283.2812	47.6753		NED
114.4	283.3342	47.6344		NED
115.6	283.3292	47.6264		NED
116.0	283.3367	47.6425		NED
116.0	283.2413	47.6425		NED
116.5	283.2525	47.6650		NED
117.8	283.2558	47.6197		NED
118.0	283.3183	47.6178		NED
118.8	283.3000	47.6760	B=21.5, R=19.9	APM-N
119.2	283.2998	47.6761	B1=21.1, B2=20.8, I=18.9, R2=19.6	USNO-B1
119.3	283.3325	47.6283	B2=21.3, I=18.1, R1=19.6, R2=19.2	USNO-B1
121.1	283.3379	47.6367		NED
122.3	283.2588	47.6167		NED
122.3	283.2421	47.6314		NED
122.9	283.3096	47.6750		NED
123.1	283.2417	47.6564		NED
123.4	283.2633	47.6733		NED
123.5	283.2917	47.6781		NED
123.7	283.2400	47.6342		NED
124.0	283.2398	47.6344	B2=21.1, R2=19.1	USNO-B1
125.5	283.2500	47.6211		NED
125.8	283.2883	47.6089		NED
127.9	283.2379	47.6525		NED
128.3	283.3379	47.6303	B=21.8, R=19.6	APM-N
128.6	283.2458	47.6228		NED
128.9	283.3388	47.6314	B1=21.1, B2=20.7	USNO-B1
129.1	283.3392	47.6556		NED
130.4	283.3279	47.6189		NED
130.4	283.3417	47.6510	B2=13.8, R2=19.6	USNO-B1
130.6	283.3008	47.6792		NED
131.1	283.2413	47.6609	B1=21.4, I=19.2	USNO-B1
132.3	283.3058	47.6089		NED
132.4	283.2404	47.6606		NED
132.5	283.2346	47.6478		NED
133.9	283.3429	47.6511		NED
133.9	283.3442	47.6422		NED
134.3	283.3197	47.6128	I=18.9, R1=20.4	USNO-B1
134.5	283.3187	47.6125		NED
134.6	283.2571	47.6744		NED
134.8	283.3421	47.6333		NED
135.0	283.2570	47.6745	B1=17.6, B2=16.9, I=15.8, R1=16.1, R2=16.2	USNO-B1
135.4	283.2426	47.6229	R1=19.7, R2=19.2	USNO-B1
137.1	283.2421	47.6225		NED
138.7	283.2525	47.6142		NED
140.3	283.3317	47.6175		NED
140.4	283.3467	47.6406		NED
141.5	283.3458	47.6356		NED
141.7	283.2346	47.6583		NED
143.0	283.2633	47.6794		NED
143.6	283.3137	47.6800		NED
144.0	283.2321	47.6553		NED
144.2	283.3332	47.6706	B1=21.0, I=19.0	USNO-B1
145.1	283.3258	47.6756		NED
145.3	283.3429	47.6614		NED
145.5	283.2396	47.6667		NED
146.2	283.2304	47.6336		NED
146.3	283.3454	47.6578		NED
147.2	283.3492	47.6488	B=20.2, R=19.5	APM-N
147.3	283.3492	47.6491	B2=18.9, I=18.1	USNO-B1
147.6	283.3493	47.6493	B2=20.5, I=18.2	USNO-B1
147.8	283.2391	47.6673	B2=21.7, I=19.2, R2=20.3	USNO-B1
148.1	283.3495	47.6495	B1=20.8, B2=21.0, I=18.6	USNO-B1
148.7	283.3288	47.6124	I=18.8, R2=19.9	USNO-B1
149.8	283.3300	47.6128		NED
150.7	283.2425	47.6717		NED
151.3	283.2896	47.6017		NED
151.3	283.2325	47.6617		NED
152.0	283.3413	47.6206		NED
152.2	283.3213	47.6075		NED
152.7	283.2896	47.6014	B1=20.0, B2=20.8, R2=16.5	USNO-B1
154.3	283.2562	47.6069		NED
155.2	283.2764	47.6015	B2=21.4, R2=19.3	USNO-B1
155.5	283.2254	47.6506		NED
155.6	283.3525	47.6372		NED
155.7	283.3525	47.6374	B1=20.4, B2=19.2, I=18.1, R1=18.4, R2=18.6	USNO-B1
157.0	283.3445	47.6662	B1=21.0, B2=20.5, I=18.3, R1=19.4, R2=19.1	USNO-B1
157.2	283.2271	47.6569		NED
157.3	283.2288	47.6275		NED
157.8	283.2278	47.6289	B1=21.2, B2=16.1, I=15.2, R2=15.4	USNO-B1
158.0	283.2280	47.6285	B=17.3, R=15.7	APM-N
158.2	283.3254	47.6803		NED
158.2	283.2321	47.6222		NED
158.2	283.3537	47.6394		NED
158.4	283.2404	47.6733		NED
158.6	283.2275	47.6283		NED
159.3	283.2942	47.5997		NED
159.4	283.3296	47.6092		NED
160.4	283.3357	47.6122	B1=18.5, B2=15.4	USNO-B1
161.9	283.2238	47.6347		NED
162.2	283.2621	47.6850		NED
162.7	283.3362	47.6117		NED
162.8	283.2242	47.6553		NED
163.1	283.2800	47.6886		NED
163.5	283.3542	47.6556		NED
163.6	283.3562	47.6475		NED
164.0	283.3564	47.6476	B1=21.1, B2=20.6, I=19.3, R2=20.3	USNO-B1
164.7	283.2725	47.6881		NED
165.1	283.2796	47.5983		NED
165.2	283.2768	47.5986	B2=13.8, I=18.7	USNO-B1
165.4	283.2562	47.6033		NED
165.5	283.2724	47.6884	I=19.1, R2=19.7	USNO-B1
165.9	283.2297	47.6667	B1=20.9, I=19.2, R2=20.5	USNO-B1
167.3	283.2279	47.6222		NED
167.3	283.2204	47.6394		NED
168.1	283.2454	47.6803		NED
169.1	283.2242	47.6614		NED
170.0	283.3312	47.6061		NED
170.2	283.2829	47.5967		NED
170.4	283.2488	47.6050		NED
170.5	283.2387	47.6769		NED
170.6	283.2367	47.6122		NED
172.6	283.3600	47.6475		NED
173.2	283.3602	47.6476	I=18.7, R2=19.2	USNO-B1
174.2	283.2416	47.6075	B=21.1, R=17.8	APM-N
174.2	283.2413	47.6075		NED
174.7	283.2417	47.6072		NED
175.3	283.2675	47.6903		NED
175.6	283.2321	47.6136		NED
176.2	283.2955	47.5951	B1=21.2, I=18.6	USNO-B1
176.7	283.2233	47.6656		NED
176.7	283.2237	47.6657	B=20.9, R=18.0	APM-N
176.8	283.2442	47.6050		NED
176.8	283.2175	47.6536		NED
177.3	283.2497	47.6854	I=19.1, R1=19.7, R2=20.1	USNO-B1
177.4	283.2168	47.6518	B1=20.1, B2=19.4, I=18.1, R1=18.0, R2=18.5	USNO-B1
177.6	283.2168	47.6519	B=20.2, R=18.3	APM-N
177.8	283.2483	47.6850		NED
178.1	283.2713	47.6919		NED
178.4	283.2163	47.6519		NED
179.9	283.2654	47.5964		NED
180.2	283.3250	47.6000		NED
181.0	283.3055	47.6928	B2=21.6, I=17.9, R1=18.3	USNO-B1
181.4	283.2971	47.6939		NED
181.5	283.3579	47.6635	I=18.3, R1=18.4	USNO-B1
181.9	283.3046	47.5944		NED
182.1	283.2972	47.6941	B=22.0, R=19.4	APM-N
182.3	283.3379	47.6053		NED
182.5	283.2327	47.6774	B=21.2, R=19.7	APM-N
182.6	283.2325	47.6773	B2=21.4, I=18.9, R2=20.2	USNO-B1
182.8	283.2775	47.6939		NED
182.9	283.2333	47.6781		NED
182.9	283.2333	47.6781	B1=20.9, B2=20.7, R1=19.2, R2=19.9	USNO-B1
183.7	283.2196	47.6642	B2=21.5, I=19.4, R2=18.8	USNO-B1
183.8	283.2317	47.6772		NED
185.4	283.2274	47.6133	B1=21.3, B2=21.2, R2=19.1	USNO-B1
185.5	283.3650	47.6382	R1=20.5, R2=19.1	USNO-B1
185.6	283.3600	47.6250		NED
185.7	283.2633	47.6925		NED
186.1	283.3217	47.6906		NED
186.1	283.3425	47.6808		NED
186.2	283.2878	47.6955	B=20.9, R=19.2	APM-N
186.2	283.2133	47.6347		NED
186.3	283.2879	47.6956		NED
186.4	283.3219	47.6906	B2=21.6, I=18.6, R1=20.2, R2=20.1	USNO-B1
187.3	283.3658	47.6386		NED
187.6	283.3250	47.5978		NED
187.8	283.3417	47.6819		NED
187.9	283.2488	47.5992		NED
188.1	283.3253	47.5976	B2=18.1, I=18.4	USNO-B1
188.6	283.2116	47.6386	B1=21.3, B2=21.2, I=19.3, R1=20.1, R2=19.2	USNO-B1
188.6	283.2116	47.6386	B=21.7, R=20.0	APM-N
188.8	283.3246	47.5972		NED
189.1	283.3421	47.6822		NED
189.4	283.3508	47.6117		NED
189.7	283.3442	47.6064		NED
190.1	283.3325	47.5997		NED
190.2	283.2792	47.5914		NED
190.7	283.3604	47.6219		NED
190.7	283.2363	47.6831		NED
191.5	283.2546	47.5958		NED
191.8	283.3050	47.6958		NED
191.8	283.3596	47.6678		NED
192.5	283.3303	47.6895	B2=21.2, R2=20.0	USNO-B1
192.9	283.2942	47.6972		NED
192.9	283.3017	47.6967		NED
193.0	283.2184	47.6685	B1=20.6, B2=19.7, I=18.5, R1=18.7, R2=18.9	USNO-B1
193.0	283.2096	47.6386		NED
193.1	283.3196	47.5942		NED
194.4	283.3304	47.6900		NED
195.5	283.2654	47.5919		NED
195.7	283.2571	47.5939		NED
195.9	283.2183	47.6700		NED
196.3	283.2802	47.6980	B2=21.4, R1=20.5, R2=20.3	USNO-B1
196.4	283.3687	47.6342		NED
196.9	283.3471	47.6819		NED
196.9	283.2559	47.5938	I=18.1, R2=20.3	USNO-B1
197.4	283.2108	47.6283		NED
197.5	283.2088	47.6339		NED
197.8	283.2971	47.5892		NED
197.8	283.3142	47.6961		NED
198.1	283.2208	47.6133		NED
198.2	283.2243	47.6101	I=18.8, R2=19.1	USNO-B1
199.0	283.2242	47.6100		NED
199.2	283.3704	47.6514		NED
199.3	283.2387	47.6000		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