Swift Trigger: 1091527;

Presumed name: GRB 220101A

BAT	00^h 05^m 31.20^s, +31° 45′ 10.8″
position:	(1.380, +31.753 ± 180″)
XRT	00^h 05^m 25.46^s, +31° 46′ 12.7″
position:	(1.3561, 31.7702 ± 4.7″)
UVOT	00^h 05^m 24.79^s, +31° 46′ 08.4″
position:	(1.3533, +31.7690 ± 0.6″)
Galactic N_HI:	5.27×10²⁰ cm^-2
Galactic E(B-V):	0.054 mag

Best RA:	00^h 05^m 24.79^s	= 1.3533 d
Best Dec:	+31° 46′ 08.4″	= +31.7690 d

Gal Lat:	-30.09
Gal Long:	111.63

Sun angle:	94.02°, -5.3 hr East of Sun

Galaxies within 200 of UVOT position

	RA*	Dec*	Redshift		Catalogue
1.4	1.3533	31.7694			NED
24.2	1.3583	31.7742			NED
24.5	1.3588	31.7740		B=20.4, R=18.7	APM-N
24.5	1.3588	31.7740		B=20.1, R=18.5	APM-N
25.0	1.3608	31.7719			NED
31.4	1.3445	31.7645		B1=20.4, B2=21.1	USNO-B1
32.2	1.3446	31.7639			NED
38.8	1.3454	31.7775			NED
40.9	1.3400	31.7711			NED
47.0	1.3483	31.7567			NED
47.3	1.3485	31.7565		B=21.8, R=18.9	APM-N
49.8	1.3604	31.7814		B1=15.9, B2=16.6, I=14.7, R1=15.2, R2=14.7	USNO-B1
50.0	1.3604	31.7817			NED
51.0	1.3662	31.7778			NED
51.5	1.3371	31.7647			NED
51.7	1.3408	31.7786			NED
51.9	1.3665	31.7781		B1=20.9, R2=19.8	USNO-B1
52.8	1.3514	31.7836		B1=19.1, R1=18.5	USNO-B1
52.9	1.3513	31.7836		B=20.2, R=18.3	APM-N
53.0	1.3513	31.7836			NED
53.4	1.3412	31.7581			NED
53.4	1.3362	31.7719			NED
53.5	1.3513	31.7838		B1=19.8, B2=19.7, R1=18.9, R2=17.6	USNO-B1
53.8	1.3514	31.7839		B=20.8, R=18.1	APM-N
58.2	1.3492	31.7532		B1=20.7, B2=21.0	USNO-B1
60.3	1.3693	31.7592		B=20.7, R=19.4	APM-N
60.5	1.3692	31.7589			NED
61.1	1.3695	31.7591		B=20.7, R=18.7	APM-N
62.3	1.3375	31.7581			NED
63.5	1.3331	31.7730		B1=20.8, B2=20.9, R1=19.7	USNO-B1
65.3	1.3496	31.7869		B=21.1, R=19.2	APM-N
65.7	1.3495	31.7870		B=20.5, R=18.9	APM-N
67.5	1.3504	31.7876		B1=19.0, B2=20.4, R1=19.0	USNO-B1
68.2	1.3633	31.7858			NED
73.4	1.3462	31.7886			NED
74.2	1.3342	31.7817			NED
74.3	1.3513	31.7483			NED
75.6	1.3696	31.7533			NED
79.6	1.3667	31.7500			NED
79.9	1.3419	31.7490		B=15.4, R=14.0	APM-N
80.1	1.3421	31.7489			NED
80.2	1.3420	31.7489		B=16.0, R=14.5	APM-N
80.3	1.3317	31.7564			NED
81.4	1.3762	31.7575			NED
85.7	1.3667	31.7900			NED
86.0	1.3812	31.7683			NED
87.1	1.3346	31.7872			NED
88.5	1.3546	31.7444			NED
88.7	1.3547	31.7444		B=21.6, R=18.7	APM-N
90.0	1.3558	31.7939			NED
90.4	1.3250	31.7619			NED
90.5	1.3708	31.7489			NED
90.9	1.3483	31.7442			NED
91.9	1.3794	31.7564		B=21.6, R=19.7	APM-N
91.9	1.3667	31.7461			NED
91.9	1.3796	31.7566		I=18.7, R1=19.7, R2=20.0	USNO-B1
92.5	1.3796	31.7564			NED
93.5	1.3421	31.7932		B=21.4, R=18.9	APM-N
94.7	1.3654	31.7931			NED
95.2	1.3656	31.7933		B=21.6, R=18.8	APM-N
95.6	1.3838	31.7739			NED
97.1	1.3279	31.7528			NED
97.6	1.3417	31.7942			NED
99.4	1.3717	31.7464			NED
101.0	1.3796	31.7861			NED
101.1	1.3675	31.7944	0.571520		NED
106.9	1.3288	31.7478			NED
107.1	1.3183	31.7711			NED
107.4	1.3721	31.7942			NED
107.6	1.3183	31.7714		B=21.9, R=19.9	APM-N
107.7	1.3808	31.7503			NED
110.0	1.3179	31.7642			NED
110.9	1.3663	31.7978		B1=20.2, B2=21.2, I=18.7	USNO-B1
111.3	1.3458	31.7992			NED
111.5	1.3662	31.7981			NED
112.4	1.3871	31.7811			NED
112.8	1.3900	31.7714			NED
113.1	1.3312	31.7436			NED
114.3	1.3875	31.7818		I=18.5, R1=19.9	USNO-B1
114.4	1.3692	31.7978			NED
114.4	1.3425	31.7386			NED
114.6	1.3184	31.7576		B=19.0, R=17.4	APM-N
114.6	1.3183	31.7572			NED
114.7	1.3184	31.7574		B=19.4, R=17.8	APM-N
115.1	1.3883	31.7572			NED
115.8	1.3453	31.8004		B=15.4, R=13.5	APM-N
116.1	1.3453	31.8005		B=14.8, R=12.8	APM-N
116.8	1.3658	31.7997			NED
117.1	1.3571	31.7367			NED
117.2	1.3450	31.8008			NED
118.8	1.3146	31.7669			NED
118.8	1.3879	31.7542			NED
119.0	1.3800	31.7450			NED
122.0	1.3508	31.7353			NED
122.2	1.3138	31.7738		B=21.1, R=19.4	APM-N
122.4	1.3479	31.7353			NED
123.7	1.3160	31.7823		B=19.4, R=17.6	APM-N
124.3	1.3158	31.7823		B=18.8, R=17.0	APM-N
124.4	1.3159	31.7825		B1=18.9, R1=17.1	USNO-B1
124.6	1.3908	31.7561			NED
124.7	1.3854	31.7478			NED
125.1	1.3129	31.7739			NED
126.3	1.3121	31.7692			NED
126.8	1.3150	31.7825			NED
127.6	1.3236	31.7442		B=21.6, R=19.7	APM-N
128.3	1.3234	31.7440		I=18.6, R1=19.5	USNO-B1
128.6	1.3246	31.7950			NED
129.1	1.3950	31.7642			NED
130.3	1.3737	31.7372			NED
130.6	1.3929	31.7819			NED
132.1	1.3242	31.7417			NED
133.2	1.3891	31.7480		B=21.9, R=19.9	APM-N
133.5	1.3104	31.7625			NED
134.1	1.3102	31.7624		B1=20.2, B2=21.0, I=18.7, R1=19.6, R2=20.2	USNO-B1
134.3	1.3583	31.8061			NED
137.0	1.3604	31.8067			NED
137.6	1.3605	31.8067		B1=16.0, B2=16.5, I=14.3, R1=14.8, R2=14.3	USNO-B1
139.1	1.3838	31.7403			NED
139.5	1.3962	31.7814			NED
139.9	1.3966	31.7816		B=21.7, R=19.5	APM-N
141.0	1.3987	31.7750			NED
142.3	1.3100	31.7833			NED
142.7	1.3996	31.7639			NED
143.0	1.3158	31.7926		B=21.4, R=19.7	APM-N
143.5	1.3157	31.7928		B=21.6, R=19.5	APM-N
143.8	1.3154	31.7928			NED
146.8	1.3075	31.7572			NED
148.7	1.3067	31.7803			NED
152.3	1.3846	31.8019			NED
153.6	1.3808	31.8047			NED
153.7	1.3033	31.7656			NED
153.8	1.3379	31.7283			NED
155.1	1.3760	31.8075		B2=21.0, I=18.8	USNO-B1
156.3	1.3588	31.8122			NED
157.3	1.3687	31.7272			NED
157.4	1.3592	31.7256			NED
157.9	1.3079	31.7903			NED
158.5	1.3080	31.7903		B2=21.3, I=18.8	USNO-B1
159.9	1.3867	31.7348		B1=16.3, B2=17.0, I=15.4, R1=15.8, R2=15.1	USNO-B1
160.2	1.3279	31.8081			NED
160.3	1.3058	31.7503		B=19.5, R=16.9	APM-N
160.4	1.3057	31.7503		B=19.0, R=16.3	APM-N
160.4	1.3867	31.7347			NED
160.4	1.4037	31.7814			NED
160.6	1.3054	31.7503			NED
160.6	1.3057	31.7502		h=14.6, j=15.4, k=14.1	2MASS
161.5	1.3525	31.7242			NED
162.0	1.3737	31.7275			NED
163.7	1.3973	31.7431		B=21.9, R=19.8	APM-N
164.1	1.3028	31.7843		B=20.0, R=17.8	APM-N
164.4	1.3028	31.7845		B=19.7, R=17.2	APM-N
165.0	1.3629	31.8142			NED
165.2	1.4071	31.7739			NED
165.6	1.4008	31.7906			NED
165.8	1.4062	31.7600			NED
166.9	1.3100	31.7975			NED
168.1	1.3013	31.7844			NED
168.2	1.3282	31.8106		B2=21.3, I=18.7	USNO-B1
170.2	1.3393	31.8148		B=20.7, R=18.4	APM-N
170.5	1.4071	31.7567			NED
170.5	1.3387	31.8147			NED
170.9	1.3221	31.7294			NED
171.6	1.3393	31.8152		I=18.6, R1=19.1	USNO-B1
172.9	1.3275	31.7261			NED
173.3	1.3704	31.7231			NED
173.9	1.2979	31.7806			NED
174.2	1.4029	31.7453			NED
174.3	1.3121	31.8025			NED
174.7	1.3350	31.7231			NED
174.7	1.3133	31.8036			NED
174.9	1.3133	31.8037		B1=16.8, B2=17.2, I=14.5, R1=15.1, R2=14.6	USNO-B1
175.2	1.4096	31.7778			NED
175.8	1.2992	31.7528			NED
175.9	1.2990	31.7529		B=21.3, R=19.2	APM-N
176.8	1.3237	31.7267			NED
177.4	1.3475	31.8181			NED
177.7	1.3453	31.7201		B1=21.1, I=18.7	USNO-B1
178.9	1.3787	31.7242			NED
179.6	1.4117	31.7650			NED
180.5	1.3137	31.7319			NED
182.6	1.3292	31.7225			NED
183.7	1.3737	31.8169			NED
183.7	1.3045	31.7987		B2=21.3, I=18.7	USNO-B1
183.8	1.3613	31.8197			NED
183.8	1.3611	31.8196		I=18.7, R2=20.1	USNO-B1
184.8	1.4096	31.7503			NED
185.2	1.3171	31.7278			NED
185.7	1.3871	31.8117			NED
186.8	1.3033	31.7992			NED
187.4	1.3942	31.8078			NED
187.4	1.3104	31.7319			NED
188.3	1.2933	31.7578			NED
188.8	1.3100	31.7316		B2=21.1, R1=19.8	USNO-B1
189.4	1.3775	31.7206			NED
189.4	1.3075	31.7336			NED
190.1	1.3871	31.7247			NED
190.2	1.4150	31.7752		B=21.6, R=19.9	APM-N
191.0	1.2908	31.7706			NED
191.1	1.3025	31.7381			NED
191.1	1.3233	31.7222			NED
191.2	1.3017	31.7992			NED
191.3	1.4158	31.7719			NED
192.5	1.2962	31.7919			NED
193.4	1.4146	31.7558			NED
194.3	1.3267	31.7200			NED
194.7	1.2996	31.7397			NED
195.2	1.3129	31.7269			NED
195.6	1.3242	31.8175			NED
195.8	1.2995	31.7396		B2=21.3, R2=20.1	USNO-B1
196.0	1.3571	31.7147			NED
196.6	1.4138	31.7869			NED
197.3	1.2888	31.7683			NED
199.9	1.4062	31.8011			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