Swift Trigger: 993768;

Presumed name: GRB 200829A

BAT	16^h 44^m 50.88^s, +72° 20′ 06.0″
position:	(251.212, +72.335 ± 180″)
XRT	16^h 44^m 50.30^s, +72° 19′ 38.3″
position:	(251.2096, 72.3273 ± 4.7″)
UVOT	16^h 44^m 49.03^s, +72° 19′ 45.1″
position:	(251.2043, +72.3292 ± 0.6″)
Galactic N_HI:	4.15×10⁰ cm^-2
Galactic E(B-V):	0.039 mag

Best RA:	16^h 44^m 49.03^s	= 251.2043 d
Best Dec:	+72° 19′ 45.1″	= +72.3292 d

Gal Lat:	35.19
Gal Long:	104.5

Sun angle:	82.20°, -6.2 hr East of Sun

¹Sper #0 auto processing.

Galaxies within 3.33 of UVOT position

	RA*	Dec*		Catalogue
11.6	251.2121	72.3269		NED
17.8	251.2200	72.3306		NED
23.5	251.1975	72.3353		NED
24.2	251.2104	72.3228		NED
26.5	251.1804	72.3275		NED
28.0	251.2275	72.3259	B2=20.2, R2=20.0	USNO-B1
30.0	251.2317	72.3288	B2=13.7, I=13.3, R2=12.3	USNO-B1
30.6	251.2323	72.3289	B=15.0, R=13.0	APM-N
30.7	251.2325	72.3289		NED
31.0	251.2326	72.3290	h=13.5, j=14.2, k=13.1	2MASS
31.0	251.1894	72.3219	B2=22.0, I=18.3	USNO-B1
31.6	251.1904	72.3215	B=20.5, R=18.2	APM-N
31.8	251.1900	72.3214		NED
34.9	251.2358	72.3306		NED
36.9	251.2374	72.3313	I=19.5, R2=18.1	USNO-B1
47.5	251.2325	72.3192		NED
47.8	251.1650	72.3233		NED
48.2	251.1660	72.3358	B1=19.6, B2=19.7, I=19.0, R1=18.7, R2=18.7	USNO-B1
48.3	251.1658	72.3358		NED
50.9	251.1717	72.3394		NED
53.2	251.2438	72.3206		NED
53.3	251.2117	72.3144		NED
54.1	251.2275	72.3425		NED
57.0	251.2246	72.3147		NED
59.5	251.2542	72.3225		NED
63.4	251.2204	72.3461		NED
65.4	251.2142	72.3114		NED
66.5	251.1692	72.3142		NED
67.7	251.2608	72.3367		NED
67.8	251.2611	72.3368	B=20.1, R=18.6	APM-N
68.7	251.1417	72.3275		NED
68.9	251.1414	72.3278	I=19.4, R2=20.1	USNO-B1
69.1	251.1508	72.3192		NED
69.9	251.1587	72.3428		NED
70.5	251.2617	72.3203		NED
70.7	251.2397	72.3456	B=21.8, R=19.9	APM-N
71.6	251.1421	72.3228		NED
72.0	251.2696	72.3319		NED
72.8	251.2702	72.3262	B1=20.1, B2=20.7, I=19.2, R2=20.1	USNO-B1
72.9	251.2699	72.3256	B=21.4, R=19.5	APM-N
73.1	251.2700	72.3256		NED
73.5	251.2562	72.3161		NED
74.0	251.1763	72.3481		NED
74.1	251.1756	72.3479	I=18.4, R2=20.0	USNO-B1
75.2	251.1417	72.3206		NED
75.7	251.1723	72.3479	I=18.3, R2=20.1	USNO-B1
76.7	251.1704	72.3106		NED
77.6	251.2696	72.3208		NED
77.8	251.1467	72.3164		NED
79.9	251.2733	72.3364		NED
80.8	251.2663	72.3169		NED
82.0	251.1312	72.3344		NED
84.3	251.2208	72.3064		NED
85.6	251.2804	72.3233		NED
86.0	251.1379	72.3419		NED
86.0	251.2208	72.3525		NED
86.7	251.1377	72.3423	B1=19.5, R2=20.0	USNO-B1
86.8	251.2113	72.3533		NED
87.2	251.1490	72.3467	B=20.8, R=18.4	APM-N
87.4	251.1492	72.3467		NED
87.7	251.1613	72.3497		NED
87.7	251.1611	72.3497	B=21.2, R=18.1	APM-N
87.8	251.1238	72.3289		NED
88.6	251.2658	72.3131		NED
89.4	251.2842	72.3342		NED
89.4	251.1517	72.3103		NED
91.0	251.2854	72.3239		NED
91.1	251.1221	72.3250		NED
92.2	251.1333	72.3431		NED
92.3	251.1329	72.3429	B=21.8, R=19.8	APM-N
92.9	251.1327	72.3431	R1=19.6, R2=20.1	USNO-B1
95.5	251.1388	72.3469		NED
95.7	251.1925	72.3556		NED
96.9	251.2879	72.3206		NED
99.4	251.2950	72.3312	B=20.1, R=18.2	APM-N
99.7	251.2779	72.3128		NED
99.8	251.2954	72.3314		NED
100.1	251.2862	72.3169		NED
101.5	251.1133	72.3236		NED
102.4	251.1146	72.3375		NED
102.5	251.2367	72.3558		NED
103.4	251.1258	72.3453		NED
104.2	251.2908	72.3411		NED
105.8	251.2294	72.3008	I=19.3, R1=19.2, R2=19.9	USNO-B1
105.8	251.2296	72.3008		NED
106.1	251.1550	72.3544		NED
106.2	251.1547	72.3546	B=21.2, R=18.3	APM-N
106.7	251.2298	72.3006	B=21.8, R=19.2	APM-N
110.4	251.1517	72.3554	B2=21.3, I=18.2	USNO-B1
111.2	251.2621	72.3547		NED
111.7	251.3054	72.3339		NED
112.0	251.2438	72.3578		NED
112.5	251.1267	72.3087	B=17.7, R=15.8	APM-N
113.1	251.2894	72.3471	B=21.8, R=19.5	APM-N
114.1	251.2896	72.3475		NED
114.3	251.1242	72.3086		NED
114.8	251.0992	72.3306		NED
114.8	251.2687	72.3042		NED
114.9	251.1521	72.3014		NED
115.0	251.3092	72.3267		NED
115.6	251.2950	72.3128		NED
116.7	251.1067	72.3158		NED
117.4	251.1793	72.2975	B=21.6, R=20.0	APM-N
117.6	251.2088	72.3619		NED
117.7	251.1458	72.3567		NED
118.2	251.2708	72.3550		NED
118.5	251.3025	72.3153		NED
118.9	251.1408	72.3561		NED
119.6	251.3133	72.3311		NED
120.0	251.2363	72.2972		NED
120.1	251.2842	72.3064		NED
121.6	251.1096	72.3469		NED
121.8	251.1475	72.3583	B=20.3, R=17.6	APM-N
122.2	251.1838	72.2958		NED
122.8	251.1600	72.2978		NED
124.0	251.1484	72.2992	I=18.5, R2=20.1	USNO-B1
124.7	251.0979	72.3417		NED
124.9	251.1475	72.2992		NED
125.5	251.0977	72.3422	B=21.8, R=19.9	APM-N
125.6	251.1975	72.3639		NED
125.8	251.1454	72.3592		NED
125.8	251.2167	72.3639		NED
126.4	251.3179	72.3361		NED
126.5	251.2854	72.3542		NED
127.1	251.1813	72.3639		NED
127.9	251.1883	72.3644		NED
129.6	251.1192	72.3542		NED
130.3	251.2950	72.3058		NED
130.4	251.3196	72.3200		NED
131.6	251.2887	72.3553		NED
133.7	251.3163	72.3442		NED
134.0	251.0842	72.3367		NED
134.1	251.3271	72.3286		NED
134.2	251.2721	72.3603		NED
134.9	251.1651	72.2937	B1=18.1, B2=18.1, I=16.3, R1=16.5, R2=16.7	USNO-B1
135.0	251.1652	72.2936	B=18.1, R=16.5	APM-N
135.0	251.0808	72.3317		NED
135.2	251.1654	72.2936		NED
135.6	251.2271	72.2922		NED
136.2	251.1002	72.3084	B=20.0, R=18.5	APM-N
136.4	251.1008	72.3081		NED
136.7	251.2063	72.2911		NED
136.7	251.1937	72.3669		NED
136.9	251.2276	72.2918	B=21.8, R=19.9	APM-N
137.7	251.0891	72.3448	B=21.8, R=19.3	APM-N
137.8	251.1658	72.3656		NED
137.9	251.2663	72.2958		NED
137.9	251.2450	72.3656		NED
138.1	251.0892	72.3450		NED
139.3	251.2771	72.2975		NED
139.3	251.0770	72.3272	I=18.7, R1=19.6	USNO-B1
139.6	251.1037	72.3531		NED
140.9	251.3096	72.3067		NED
141.3	251.1010	72.3528	B=20.4, R=17.8	APM-N
141.3	251.3098	72.3065	B=18.1, R=17.2	APM-N
141.5	251.2208	72.3683		NED
141.6	251.2209	72.3682	I=19.3, R2=20.4	USNO-B1
141.7	251.0817	72.3164		NED
144.7	251.3121	72.3525		NED
145.0	251.2637	72.2931		NED
147.2	251.3296	72.3142		NED
147.3	251.2825	72.3625		NED
147.9	251.1671	72.2897		NED
148.1	251.1258	72.2956		NED
148.7	251.2892	72.3614		NED
149.3	251.1921	72.3706		NED
149.6	251.2283	72.3700		NED
150.0	251.0675	72.3253		NED
151.1	251.0775	72.3461		NED
152.3	251.1558	72.2894		NED
152.3	251.3429	72.3339		NED
152.5	251.2842	72.2944		NED
152.8	251.3083	72.3008		NED
153.0	251.1296	72.2933		NED
153.4	251.1001	72.3578	B=21.8, R=18.2	APM-N
153.7	251.0996	72.3578		NED
154.1	251.1854	72.3717		NED
154.5	251.0894	72.3543	B=21.8, R=19.5	APM-N
154.6	251.3304	72.3097		NED
155.9	251.0728	72.3125	B=21.8, R=19.7	APM-N
156.2	251.1892	72.2861		NED
157.0	251.1388	72.3681		NED
157.3	251.2646	72.3689		NED
157.8	251.3396	72.3142		NED
158.0	251.1891	72.2856	B=21.8, R=19.5	APM-N
158.1	251.0925	72.3014		NED
158.4	251.3383	72.3461		NED
158.9	251.2104	72.3733		NED
159.4	251.1558	72.3711		NED
160.3	251.3117	72.3594		NED
161.4	251.2283	72.2850		NED
161.6	251.0792	72.3531		NED
162.5	251.3021	72.2953		NED
163.0	251.0675	72.3472		NED
163.1	251.1708	72.2850		NED
164.4	251.0892	72.3586		NED
165.2	251.0533	72.3312	B=21.8, R=19.8	APM-N
165.8	251.0526	72.3277	B=21.4, R=20.0	APM-N
165.9	251.0542	72.3225		NED
166.3	251.3563	72.3325		NED
166.6	251.3537	72.3383		NED
166.9	251.2833	72.3689		NED
168.1	251.3083	72.3636	B=21.8, R=19.8	APM-N
168.4	251.2625	72.3725		NED
168.5	251.3087	72.3636		NED
170.4	251.3539	72.3426	B=21.8, R=19.8	APM-N
170.6	251.2783	72.3708		NED
170.9	251.3508	72.3458		NED
171.1	251.2204	72.2819		NED
171.5	251.0529	72.3167	B2=19.5, R1=19.4	USNO-B1
174.5	251.2538	72.2831		NED
174.8	251.0679	72.3547		NED
174.9	251.3638	72.3253	B2=21.0, I=18.5, R1=19.2	USNO-B1
175.4	251.2292	72.2811		NED
175.5	251.0775	72.2994		NED
175.6	251.0678	72.3549	B=21.8, R=19.7	APM-N
176.0	251.3650	72.3253		NED
176.2	251.3229	72.2961		NED
176.4	251.2541	72.2826	B1=15.5, B2=15.5, I=13.1, R1=13.3, R2=13.4	USNO-B1
176.5	251.0508	72.3444		NED
176.7	251.0617	72.3525		NED
176.8	251.1463	72.3750		NED
177.0	251.3502	72.3506	I=18.7, R2=19.8	USNO-B1
177.1	251.1721	72.2811		NED
177.5	251.3504	72.3506		NED
177.9	251.3510	72.3507	B2=20.7, I=19.3, R1=19.6, R2=20.4	USNO-B1
178.1	251.1097	72.2890	B2=21.7, R2=18.4	USNO-B1
178.4	251.1917	72.2797		NED
178.4	251.0525	72.3108		NED
178.7	251.2083	72.3789		NED
178.7	251.3642	72.3397		NED
179.2	251.0417	72.3356		NED
180.8	251.3563	72.3094		NED
181.3	251.1047	72.2889	B2=21.4, R2=20.0	USNO-B1
182.2	251.1617	72.3781		NED
182.2	251.3317	72.3619		NED
182.8	251.3604	72.3476	B=20.7, R=19.5	APM-N
183.2	251.3617	72.3117		NED
183.7	251.1821	72.3797		NED
183.8	251.0538	72.3519		NED
183.9	251.3622	72.3115	B=21.0, R=20.0	APM-N
184.9	251.3617	72.3481		NED
185.4	251.0440	72.3124	B=21.7, R=20.0	APM-N
185.8	251.1083	72.2867		NED
185.8	251.2033	72.2775		NED
186.8	251.1254	72.3753		NED
187.1	251.3004	72.2861		NED
187.1	251.3750	72.3322		NED
187.3	251.0342	72.3228		NED
188.2	251.3304	72.3647		NED
188.2	251.0971	72.2883		NED
188.6	251.3401	72.2969	B=19.8, R=17.3	APM-N
189.1	251.0488	72.3064		NED
189.3	251.0478	72.3067	B2=21.4, R1=19.3, R2=20.1	USNO-B1
189.6	251.0705	72.3628	B1=20.5, I=19.7, R2=20.1	USNO-B1
189.7	251.1887	72.3817		NED
189.7	251.3408	72.2967		NED
191.0	251.1563	72.3803		NED
191.2	251.0679	72.3625		NED
191.9	251.3575	72.3553		NED
192.0	251.3246	72.3681		NED
192.6	251.3290	72.2914	I=19.7, R1=19.6	USNO-B1
192.9	251.1400	72.2794		NED
193.1	251.2610	72.2784	B2=20.9, I=19.2	USNO-B1
193.3	251.0892	72.3700		NED
193.6	251.2354	72.3822		NED
193.8	251.0421	72.3511		NED
193.9	251.3808	72.3350		NED
194.2	251.2971	72.3753		NED
194.6	251.3767	72.3428		NED
195.1	251.3770	72.3430	B2=21.8, I=19.0, R1=19.3, R2=20.0	USNO-B1
195.4	251.0413	72.3516	B1=19.3, B2=19.4, I=18.9, R1=18.4, R2=19.1	USNO-B1
196.1	251.2733	72.2789		NED
196.2	251.2739	72.2790	B=21.1, R=18.3	APM-N
196.6	251.1008	72.3739		NED
197.0	251.2633	72.2775		NED
197.2	251.0504	72.3578		NED
197.2	251.0738	72.3672		NED
197.3	251.0997	72.3739	B=21.8, R=19.9	APM-N
197.4	251.1000	72.3740	B2=21.7, R2=20.1	USNO-B1
197.5	251.3354	72.2917		NED
197.5	251.0748	72.3675	B1=19.3, I=17.7	USNO-B1
197.8	251.0733	72.3671	B2=20.8, I=18.3	USNO-B1
197.8	251.0515	72.3587	B=19.1, R=16.4	APM-N
198.2	251.0854	72.2875		NED
198.4	251.3671	72.3536		NED
198.4	251.0739	72.3676	B=18.2, R=17.0	APM-N
198.5	251.1342	72.3800		NED
198.8	251.0517	72.3592		NED
198.8	251.3862	72.3286		NED
199.4	251.2700	72.3808		NED
199.5	251.3041	72.2828	B=21.8, R=19.7	APM-N

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