Swift Trigger: 965784;

Presumed name: GRB 200411A

BAT	03^h 10^m 38.16^s, -52° 18′ 50.4″
position:	(47.659, -52.314 ± 180″)
XRT	03^h 10^m 39.36^s, -52° 19′ 07.1″
position:	(47.66401, -52.31864 ± 3.5″)
UVOT	No position available.
Galactic N_HI:	1.47×10⁰ cm^-2
Galactic E(B-V):	0.018 mag

Best RA:	03^h 10^m 39.36^s	= 47.66401 d
Best Dec:	-52° 19′ 07.1″	= -52.31864 d

Gal Lat:	-53.86
Gal Long:	266.66

Sun angle:	65.18°, -1.8 hr East of Sun

¹Sper #10 auto processing.

Galaxies within 3.33 of XRT position

	RA*	Dec*		Catalogue
7.8	47.6629	-52.3167		NED
20.2	47.6662	-52.3242		NED
20.4	47.6558	-52.3214		NED
30.7	47.6500	-52.3186		NED
32.2	47.6638	-52.3275		NED
35.4	47.6663	-52.3284	B=22.1	SSS
38.0	47.6758	-52.3264		NED
38.3	47.6487	-52.3236		NED
43.7	47.6779	-52.3100		NED
43.8	47.6664	-52.3307	B=20.1, R2=18.5, i=17.7	SSS
44.5	47.6667	-52.3308	Mag=20.03	NED
45.3	47.6442	-52.3219	Mag=20.03	NED
48.9	47.6600	-52.3319	Mag=20.03	NED
49.8	47.6825	-52.3267	Mag=20.03	NED
50.0	47.6538	-52.3311	Mag=20.03	NED
50.3	47.6474	-52.3283	B2=22.5, R2=18.6	USNO-B1
50.6	47.6475	-52.3286	Mag=20.03	NED
53.7	47.6721	-52.3328	Mag=20.03	NED
54.6	47.6708	-52.3042	Mag=20.03	NED
62.9	47.6908	-52.3242	Mag=20.03	NED
63.7	47.6900	-52.3111	Mag=20.03	NED
66.0	47.6742	-52.3358	Mag=20.03	NED
66.9	47.6640	-52.3372	B=22.7	SSS
67.5	47.6496	-52.3353	Mag=20.03	NED
69.7	47.6375	-52.3292	Mag=20.03	NED
70.2	47.6767	-52.3364	Mag=20.03	NED
76.3	47.6833	-52.3011	Mag=20.03	NED
78.0	47.6583	-52.2972	Mag=20.03	NED
78.0	47.6337	-52.3297	Mag=20.03	NED
78.0	47.6942	-52.3072	Mag=20.03	NED
78.5	47.6988	-52.3139	Mag=20.03	NED
80.8	47.6979	-52.3269	Mag=20.03	NED
81.9	47.6504	-52.2975	B=21.9	SSS
82.3	47.6846	-52.3378	Mag=20.03	NED
82.4	47.6500	-52.2975	Mag=20.03	NED
83.6	47.6729	-52.3411	Mag=20.03	NED
85.8	47.6830	-52.2978	B=21.6, R2=20.4	SSS
86.5	47.6833	-52.2978	Mag=20.03	NED
88.0	47.6904	-52.3369	Mag=20.03	NED
90.7	47.6942	-52.3017	Mag=20.03	NED
90.8	47.6250	-52.3272	Mag=20.03	NED
92.4	47.6837	-52.3414	Mag=20.03	NED
92.5	47.6804	-52.2950	Mag=20.03	NED
92.9	47.6221	-52.3217	Mag=20.03	NED
95.0	47.6462	-52.2944	Mag=20.03	NED
96.4	47.6875	-52.2961	Mag=20.03	NED
97.3	47.6721	-52.3453	Mag=20.03	NED
98.5	47.6538	-52.3453	Mag=20.03	NED
98.8	47.6508	-52.3450	Mag=20.03	NED
100.8	47.6192	-52.3133	Mag=20.03	NED
102.3	47.6800	-52.3453	Mag=20.03	NED
103.1	47.6583	-52.3472	Mag=20.03	NED
104.8	47.6292	-52.2989	Mag=20.03	NED
105.5	47.6971	-52.2972	Mag=20.03	NED
105.6	47.6158	-52.3203	Mag=20.03	NED
109.6	47.6942	-52.2944	Mag=20.03	NED
110.0	47.6846	-52.3464	Mag=20.03	NED
112.6	47.6896	-52.2914	Mag=20.03	NED
112.9	47.6192	-52.3033	Mag=20.02	NED
112.9	47.6193	-52.3033	B=20.1, R2=18.4, i=17.1	SSS
116.1	47.7007	-52.2955	B2=22.7, R1=21.0	USNO-B1
116.6	47.6154	-52.3056	Mag=20.02	NED
117.3	47.7171	-52.3161	Mag=20.02	NED
117.4	47.7000	-52.2947	Mag=20.02	NED
117.5	47.7172	-52.3159	B=22.2, R2=20.1	SSS
117.8	47.6979	-52.3442	Mag=20.02	NED
118.0	47.6977	-52.3441	B2=22.0, I=18.8	USNO-B1
118.6	47.6108	-52.3128	Mag=20.02	NED
119.0	47.6508	-52.2867	Mag=20.02	NED
121.4	47.6154	-52.3347	Mag=20.02	NED
122.2	47.7133	-52.3030	B2=20.2, I=17.8, R1=18.8	USNO-B1
122.4	47.6408	-52.2878	Mag=20.02	NED
122.9	47.6096	-52.3269	Mag=20.02	NED
123.3	47.7137	-52.3028	B=20.3, R2=18.6, i=17.7	SSS
123.5	47.7137	-52.3028	Mag=20.17	NED
126.7	47.6063	-52.3203	Mag=20.17	NED
127.0	47.6064	-52.3205	B2=19.9, I=18.3	USNO-B1
128.6	47.7029	-52.3453	Mag=20.17	NED
129.3	47.6817	-52.3528	Mag=20.17	NED
129.8	47.6158	-52.2978	Mag=20.17	NED
130.1	47.6088	-52.3314	Mag=20.17	NED
130.2	47.7079	-52.2944	Mag=20.17	NED
130.4	47.7179	-52.3338	B=22.3	SSS
130.7	47.6408	-52.2853	Mag=20.17	NED
131.1	47.6151	-52.2979	R1=20.9, R2=18.5	USNO-B1
131.7	47.6221	-52.2925	Mag=20.17	NED
132.0	47.6292	-52.2889	Mag=20.17	NED
132.2	47.6567	-52.2822	Mag=19.6	NED
132.3	47.7112	-52.3414	Mag=19.6	NED
132.4	47.6220	-52.2923	B=20.5, R2=19.4, i=19.2	SSS
133.8	47.7239	-52.3122	B2=21.7, R2=18.2	USNO-B1
135.1	47.7042	-52.2903	Mag=19.6	NED
135.4	47.6900	-52.3528	Mag=19.6	NED
135.9	47.7247	-52.3118	B=20.3, R2=19.2, i=18.7	SSS
136.1	47.7246	-52.3117	Mag=20.35	NED
136.2	47.6029	-52.3256	Mag=20.35	NED
136.3	47.7249	-52.3118	B2=20.4, I=18.6, R1=20.0, R2=20.1	USNO-B1
137.8	47.6417	-52.3544	Mag=20.35	NED
138.1	47.6150	-52.2947	Mag=20.35	NED
138.9	47.7137	-52.2950	Mag=20.35	NED
139.6	47.6983	-52.3511	Mag=20.35	NED
140.3	47.6088	-52.3381	Mag=20.35	NED
140.5	47.6521	-52.2803	Mag=20.35	NED
140.8	47.6858	-52.3553	Mag=20.35	NED
141.5	47.7029	-52.3497	Mag=20.35	NED
143.6	47.6000	-52.3108	Mag=20.35	NED
145.0	47.6042	-52.3019	Mag=20.35	NED
145.4	47.7246	-52.3025	Mag=20.35	NED
145.4	47.6038	-52.3020	I=18.3, R1=20.7, R2=18.4	USNO-B1
145.6	47.6792	-52.3581	Mag=20.35	NED
145.9	47.7075	-52.3492	Mag=20.35	NED
146.2	47.7249	-52.3024	B=22.1	SSS
146.6	47.6017	-52.3039	Mag=20.35	NED
146.8	47.6708	-52.2781	Mag=20.35	NED
147.4	47.6962	-52.2827	R1=20.9, R2=22.1	USNO-B1
147.4	47.7212	-52.3400	Mag=20.35	NED
147.5	47.6958	-52.2828	Mag=20.35	NED
148.7	47.7025	-52.2847	Mag=20.35	NED
148.9	47.6308	-52.3547	Mag=20.35	NED
149.0	47.6079	-52.2956	Mag=20.35	NED
149.3	47.5992	-52.3064	Mag=20.35	NED
149.5	47.7317	-52.3219	Mag=20.35	NED
150.0	47.5988	-52.3066	B=22.6, R2=20.7	SSS
151.0	47.6815	-52.3592	B=21.9, R2=20.7	SSS
151.1	47.5961	-52.3249	B2=21.6, I=17.0, R2=18.1	USNO-B1
152.2	47.6812	-52.3597	Mag=20.35	NED
152.5	47.6112	-52.2911	Mag=20.35	NED
152.9	47.7233	-52.2967	Mag=20.35	NED
153.0	47.5945	-52.3188	B=21.2, R2=19.8, i=18.4	SSS
153.2	47.5942	-52.3189	Mag=20.35	NED
153.3	47.5951	-52.3248	B2=20.8, I=18.5	USNO-B1
153.6	47.5948	-52.3241	B=19.6, R2=17.9, i=17.2	SSS
153.7	47.7323	-52.3098	B=20.5, R2=20.1	SSS
153.9	47.5946	-52.3242	Mag=19.72	NED
154.1	47.6504	-52.2767	Mag=19.72	NED
154.4	47.6109	-52.2906	B=22.1	SSS
154.6	47.7325	-52.3097	Mag=19.72	NED
155.1	47.6818	-52.3603	B2=22.9, R2=18.9	USNO-B1
159.0	47.6529	-52.3622	Mag=19.72	NED
159.1	47.6237	-52.3553	Mag=19.72	NED
159.2	47.6629	-52.2744	Mag=19.72	NED
160.3	47.6704	-52.2742	Mag=19.72	NED
160.9	47.6867	-52.2761	Mag=19.72	NED
161.0	47.7296	-52.2989	Mag=19.72	NED
161.5	47.6704	-52.3633	Mag=19.72	NED
161.5	47.7233	-52.2922	Mag=19.72	NED
162.5	47.6083	-52.3483	Mag=19.72	NED
162.9	47.6962	-52.3594	Mag=19.72	NED
163.6	47.7379	-52.3228	Mag=19.72	NED
163.6	47.5971	-52.2989	Mag=19.72	NED
163.6	47.5898	-52.3210	B=21.9	SSS
164.0	47.7375	-52.3258	Mag=19.72	NED
164.2	47.6829	-52.2744	Mag=19.72	NED
164.9	47.5892	-52.3217	Mag=19.72	NED
166.0	47.6117	-52.2853	Mag=19.72	NED
166.9	47.6958	-52.2767	Mag=19.72	NED
167.3	47.6313	-52.3606	Mag=19.72	NED
167.4	47.6957	-52.2764	B=22.7	SSS
167.6	47.5908	-52.3056	Mag=19.72	NED
169.2	47.6283	-52.2769	Mag=19.72	NED
169.5	47.5970	-52.3419	B=22.1	SSS
169.6	47.7179	-52.3525	Mag=19.72	NED
170.1	47.6562	-52.2717	Mag=19.72	NED
170.8	47.7413	-52.3139	Mag=19.72	NED
170.9	47.6475	-52.3650	Mag=19.72	NED
171.4	47.7042	-52.3594	Mag=19.72	NED
171.7	47.5867	-52.3117	Mag=19.72	NED
171.8	47.6492	-52.2717	Mag=19.72	NED
172.3	47.5917	-52.3369	Mag=19.72	NED
173.1	47.6817	-52.3656	Mag=19.72	NED
173.4	47.7146	-52.3556	Mag=19.72	NED
173.7	47.6825	-52.3655	R1=18.3, R2=18.4	USNO-B1
173.9	47.7283	-52.3464	Mag=19.72	NED
174.2	47.7046	-52.2769	Mag=19.72	NED
174.6	47.5942	-52.2958	Mag=19.72	NED
176.6	47.7433	-52.3258	Mag=19.72	NED
176.6	47.7179	-52.2825	Mag=19.72	NED
177.4	47.6075	-52.2833	Mag=19.72	NED
178.2	47.7371	-52.2975	Mag=19.72	NED
179.0	47.6150	-52.2790	B=20.5, R2=18.9, i=19.4	SSS
179.2	47.6142	-52.2792	Mag=19.72	NED
180.6	47.6246	-52.3625	Mag=19.72	NED
180.6	47.7218	-52.2830	B2=22.5, I=16.6	USNO-B1
180.7	47.5821	-52.3225	Mag=19.72	NED
181.1	47.7096	-52.3606	Mag=19.72	NED
181.1	47.6604	-52.3689	Mag=19.72	NED
181.6	47.5955	-52.2906	B2=22.9, I=18.1	USNO-B1
182.0	47.6021	-52.3522	Mag=19.72	NED
182.6	47.5838	-52.3058	Mag=19.72	NED
182.8	47.5817	-52.3256	Mag=19.72	NED
182.9	47.5850	-52.3025	Mag=19.72	NED
183.0	47.5808	-52.3178	Mag=19.72	NED
183.1	47.6432	-52.2694	B=21.6	SSS
183.3	47.5946	-52.2906	Mag=18.5	NED
183.8	47.6517	-52.3692	Mag=18.5	NED
184.1	47.5940	-52.2907	B=20.6, R2=18.7, i=18.1	SSS
184.6	47.6192	-52.3619	Mag=18.5	NED
185.2	47.6996	-52.3653	Mag=18.5	NED
185.2	47.6708	-52.3700	Mag=18.5	NED
186.1	47.6392	-52.2692	Mag=18.5	NED
186.2	47.5808	-52.3283	Mag=18.5	NED
186.5	47.6121	-52.3597	Mag=18.5	NED
187.0	47.6163	-52.2756	Mag=18.5	NED
187.1	47.7098	-52.3624	B2=20.3, I=18.2, R2=20.9	USNO-B1
187.4	47.7471	-52.3078	Mag=18.5	NED
188.9	47.6504	-52.2669	Mag=18.5	NED
189.4	47.7408	-52.2948	I=18.5, R2=23.5	USNO-B1
191.2	47.5833	-52.2989	Mag=18.5	NED
191.3	47.7108	-52.3633	Mag=18.5	NED
191.6	47.7283	-52.2828	Mag=18.5	NED
191.7	47.6562	-52.2656	Mag=18.5	NED
193.0	47.6567	-52.2652	B=21.5, R2=20.3	SSS
193.0	47.5900	-52.2897	Mag=20.2	NED
193.1	47.7329	-52.2856	Mag=20.2	NED
193.5	47.7517	-52.3164	Mag=20.2	NED
194.1	47.7521	-52.3163	B=21.1, R2=19.3, i=18.5	SSS
194.5	47.5862	-52.2931	Mag=20.2	NED
194.5	47.7154	-52.2747	Mag=20.2	NED
194.6	47.7050	-52.2708	Mag=20.2	NED
194.7	47.7521	-52.3231	Mag=20.2	NED
194.9	47.7262	-52.2803	Mag=20.2	NED
196.8	47.6029	-52.2786	Mag=20.2	NED
197.0	47.6275	-52.3686	Mag=20.2	NED
197.7	47.6008	-52.3578	Mag=20.2	NED
198.1	47.5995	-52.3571	B2=22.0, R1=21.4	USNO-B1
198.2	47.5764	-52.3058	B=21.5	SSS
198.5	47.5858	-52.3461	Mag=20.2	NED
199.1	47.6696	-52.3739	Mag=20.2	NED
199.4	47.6623	-52.3740	B=22.0, R2=20.0	SSS

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