Swift Trigger: 1062150;

Presumed name: GRB 210730A

BAT	09^h 58^m 22.08^s, +69° 42′ 18.0″
position:	(149.592, 69.705 ± 180″)
XRT	09^h 58^m 21.96^s, +69° 41′ 32.2″
position:	(149.59149, 69.69227 ± 8.2″)
UVOT	No position available.
Galactic N_HI:	4.85×10²⁰ cm^-2
Galactic E(B-V):	0.081 mag

Best RA:	09^h 58^m 21.96^s	= 149.59149 d
Best Dec:	+69° 41′ 32.2″	= 69.69227 d

Gal Lat:	40.73
Gal Long:	141.23

Sun angle:	52.65°, -1.4 hr East of Sun

X-ray sources within 200 of XRT position

	RA*	Dec*		Source table²
70.2	149.6457	69.6871	0.00644808 +/- 0.00180204	XMM-NEWTON
70.4	149.6460	69.6874	0.0202481 +/- 0.00486192	XMM-NEWTON
70.5	149.6463	69.6877	0.00357287 +/- 0.00118962	XMM-NEWTON
70.9	149.6451	69.6858	0.0104111 +/- 0.00263514	XMM-NEWTON
71.5	149.6464	69.6866	0.0175607 +/- 0.00189229	XMM-NEWTON
71.5	149.6464	69.6867	0.0055976 +/- 0.00115283	XMM-NEWTON
71.9	149.6460	69.6859	0.0194846 +/- 0.00606857	XMM-NEWTON
73.8	149.6468	69.6851	0.00950367 +/- 0.00379712	XMM-NEWTON
75.4	149.6491	69.6861	0 +/- 0	CHANDRA
96.4	149.6437	69.6725	0.0045672 +/- 0.00124897	XMM-NEWTON
113.5	149.6454	69.6669	0.00221999990753829 +/- 0.000449999992270023	ROSAT
121.1	149.5915	69.6586	0.00609214 +/- 0.00173247	XMM-NEWTON
121.3	149.5895	69.6586	0.00351211 +/- 0.000988894	XMM-NEWTON
122.8	149.4970	69.6829	0.00580038 +/- 0.000557085	XMM-NEWTON
123.0	149.4967	69.6831	0.0155102 +/- 0.00211398	XMM-NEWTON
123.0	149.4967	69.6831	0.0112244 +/- 0.00186066	XMM-NEWTON
123.2	149.5906	69.6581	0.0100369 +/- 0.00329345	XMM-NEWTON
124.3	149.6586	69.6668	0.0284311 +/- 0.00704582	XMM-NEWTON
124.5	149.5907	69.6577	0.0240756 +/- 0.00507616	XMM-NEWTON
124.7	149.5904	69.6576	0.0125555 +/- 0.00155166	XMM-NEWTON
124.7	149.5911	69.6576	0.011345 +/- 0.00110501	XMM-NEWTON
126.2	149.6594	69.6664	0.0442447 +/- 0.00699789	XMM-NEWTON
127.1	149.4944	69.6817	0.00222123 +/- 0.000759096	XMM-NEWTON
131.0	149.5916	69.6559	0.0109684 +/- 0.00358887	XMM-NEWTON
135.6	149.6199	69.7286	0.0156052 +/- 0.00342125	XMM-NEWTON
157.5	149.5759	69.7357	0.00834462 +/- 0.00228022	XMM-NEWTON
159.5	149.5743	69.7362	0.00824781 +/- 0.00115108	XMM-NEWTON
160.3	149.5740	69.7364	0.00932552 +/- 0.00153894	XMM-NEWTON
169.4	149.4559	69.6922	0.193667 +/- 0.0291552	XMM-NEWTON
172.5	149.5465	69.6470	0.00266411432419 +/- 0.0007631573359	CHANDRA
172.6	149.5454	69.6471	0.0156224 +/- 0.00350149	XMM-NEWTON
175.0	149.5473	69.6461	0.0148088 +/- 0.00345222	XMM-NEWTON
176.6	149.5465	69.6458	0.0164671 +/- 0.00180431	XMM-NEWTON
176.8	149.5466	69.6457	0.017545 +/- 0.00159972	XMM-NEWTON
177.2	149.5442	69.6459	0.00852854 +/- 0.00239927	XMM-NEWTON
177.4	149.5475	69.6454	0 +/- 0	CHANDRA
177.4	149.5470	69.6455	0.00158386823091 +/- 0.00017388590423	CHANDRA
177.5	149.5468	69.6455	0 +/- 0	CHANDRA
177.7	149.5466	69.6454	0.0146513 +/- 0.000870549	XMM-NEWTON
178.9	149.5459	69.6452	0.0197553 +/- 0.0030092	XMM-NEWTON
179.5	149.5461	69.6450	0.00976522 +/- 0.00266544	XMM-NEWTON
185.0	149.5012	69.6516	0.00563000002875924 +/- 0.00120000005699694	ROSAT

* RA/Dec in equinox J2000

¹Energy band for count-rate is mission specific.