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Swift Trigger: 1308754;

Presumed name: GRB 250430A

Back to trigger list.

BAT 15h 33m 42.72s, -18° 04′ 58.8″
position:(233.428, -18.083 ± 180″)
XRT 15h 33m 32.67s, -18° 07′ 04.2″
position:(233.38611, -18.11784 ± 3.6″)
UVOT No position available.
Galactic NHI:6.92×1020 cm-2
Galactic E(B-V):0.105 mag
Best RA:15h 33m 32.67s= 233.38611 d
Best Dec:-18° 07′ 04.2″= -18.11784 d
Gal Lat:30.08
Gal Long:348.47
Sun angle:164.74°, 11.0 hr West

Galaxies within 200 of XRT position

RA*Dec*Redshift CatalogueQuery
5.3233.3850-18.1189NEDQuery vizier around this object
14.9233.3883-18.1211NEDQuery vizier around this object
20.5233.3800-18.1186NEDQuery vizier around this object
20.7233.3918-18.1159B=21.3SSSQuery vizier around this object
21.2233.3917-18.1203B=20.1SSSQuery vizier around this object
22.7233.3923-18.1155B2=20.0, R2=19.2USNO-B1Query vizier around this object
23.0233.3925-18.1156NEDQuery vizier around this object
30.8233.3921-18.1114NEDQuery vizier around this object
33.6233.3851-18.1271B=21.9SSSQuery vizier around this object
33.9233.3939-18.1237B=20.5SSSQuery vizier around this object
35.7233.3944-18.1118B=21.7, R2=19.6SSSQuery vizier around this object
36.8233.3767-18.1225NEDQuery vizier around this object
37.6233.3858-18.1283NEDQuery vizier around this object
42.2233.3936-18.1271B=22.3SSSQuery vizier around this object
42.3233.3804-18.1283NEDQuery vizier around this object
42.8233.3968-18.1240B=20.3SSSQuery vizier around this object
45.2233.3896-18.1058NEDQuery vizier around this object
47.8233.3992-18.1131NEDQuery vizier around this object
49.8233.3746-18.1092NEDQuery vizier around this object
51.8233.4008-18.1214NEDQuery vizier around this object
54.2233.3800-18.1317NEDQuery vizier around this object
55.5233.3913-18.1033NEDQuery vizier around this object
57.1233.3981-18.1068B2=17.1, I=16.3, R2=13.8USNO-B1Query vizier around this object
57.2233.3979-18.1067NEDQuery vizier around this object
58.7233.3804-18.1025NEDQuery vizier around this object
60.2233.3729-18.1292NEDQuery vizier around this object
60.3233.4038-18.1169NEDQuery vizier around this object
62.5233.4001-18.1067B2=21.0, I=18.5, R2=19.3USNO-B1Query vizier around this object
64.1233.4046-18.1214NEDQuery vizier around this object
66.1233.3696-18.1275NEDQuery vizier around this object
67.1233.4003-18.1050B1=19.6, B2=19.1, I=18.2, R1=18.3, R2=18.5USNO-B1Query vizier around this object
67.7233.4003-18.1048B1=19.5, B2=22.0, I=16.6, R1=18.6, R2=17.0USNO-B1Query vizier around this object
67.7233.3700-18.1067NEDQuery vizier around this object
67.7233.3700-18.1069NEDQuery vizier around this object
68.7233.3908-18.1364B=21.2SSSQuery vizier around this object
68.9233.3913-18.1364NEDQuery vizier around this object
69.4233.3858-18.0986NEDQuery vizier around this object
69.6233.4003-18.1040B=20.0, R2=18.3, i=17.6SSSQuery vizier around this object
70.0233.4004-18.1039NEDQuery vizier around this object
71.3233.3893-18.1374B2=20.2, R1=19.1, R2=19.3USNO-B1Query vizier around this object
72.4233.3821-18.0981NEDQuery vizier around this object
74.7233.3721-18.1339NEDQuery vizier around this object
75.6233.3696-18.1319NEDQuery vizier around this object
77.3233.3842-18.1392NEDQuery vizier around this object
77.6233.4054-18.1292NEDQuery vizier around this object
77.8233.3983-18.0997NEDQuery vizier around this object
77.8233.4086-18.1209B2=22.0, R2=19.2USNO-B1Query vizier around this object
78.0233.4087-18.1208NEDQuery vizier around this object
78.2233.4054-18.1294NEDQuery vizier around this object
79.2233.3904-18.0964NEDQuery vizier around this object
79.2233.4090-18.1209B2=20.2, I=18.6, R1=19.3, R2=19.9USNO-B1Query vizier around this object
80.5233.3629-18.1214NEDQuery vizier around this object
81.7233.3646-18.1281NEDQuery vizier around this object
82.5233.4087-18.1106NEDQuery vizier around this object
88.4233.4104-18.1261NEDQuery vizier around this object
90.4233.3892-18.0931NEDQuery vizier around this object
91.5233.4038-18.1369NEDQuery vizier around this object
92.5233.3742-18.1408NEDQuery vizier around this object
92.8233.4038-18.0983NEDQuery vizier around this object
93.2233.3992-18.0953NEDQuery vizier around this object
93.5233.3596-18.1250NEDQuery vizier around this object
94.1233.4051-18.1367R1=19.3, R2=20.2USNO-B1Query vizier around this object
94.4233.3596-18.1250R1=18.8, R2=18.7USNO-B1Query vizier around this object
94.6233.4087-18.1325NEDQuery vizier around this object
94.9233.4133-18.1133NEDQuery vizier around this object
94.9233.3596-18.1253NEDQuery vizier around this object
94.9233.3654-18.1003NEDQuery vizier around this object
96.6233.3591-18.1256B=21.1, R2=18.6, i=17.3SSSQuery vizier around this object
96.6233.3867-18.0911NEDQuery vizier around this object
97.0233.3768-18.0924B=21.8SSSQuery vizier around this object
97.4233.4004-18.1414NEDQuery vizier around this object
98.0233.3833-18.1450NEDQuery vizier around this object
98.7233.3946-18.1439NEDQuery vizier around this object
99.5233.3754-18.0922NEDQuery vizier around this object
100.1233.4150-18.1156NEDQuery vizier around this object
100.7233.4075-18.0986NEDQuery vizier around this object
102.5233.3842-18.1464NEDQuery vizier around this object
102.6233.4125-18.1311NEDQuery vizier around this object
102.6233.3697-18.0940B1=20.0, B2=22.0, R2=18.9USNO-B1Query vizier around this object
104.5233.3671-18.0953NEDQuery vizier around this object
104.6233.3800-18.0894NEDQuery vizier around this object
104.8233.3674-18.0948R1=19.7, R2=18.9USNO-B1Query vizier around this object
105.8233.3679-18.1416B2=19.7, R1=19.5, R2=20.6USNO-B1Query vizier around this object
105.8233.3592-18.1033NEDQuery vizier around this object
106.1233.3679-18.1417NEDQuery vizier around this object
108.6233.4050-18.1419NEDQuery vizier around this object
110.6233.4132-18.1346B=20.9, R2=19.4SSSQuery vizier around this object
110.6233.4138-18.1339NEDQuery vizier around this object
110.7233.4139-18.1335B2=20.1, I=18.9, R2=19.0USNO-B1Query vizier around this object
111.9233.3550-18.1078NEDQuery vizier around this object
111.9233.3553-18.1074B=21.6, R2=19.5, i=17.5SSSQuery vizier around this object
112.4233.3551-18.1075B2=19.4, I=18.0, R1=19.6, R2=19.3USNO-B1Query vizier around this object
112.4233.3837-18.0867NEDQuery vizier around this object
113.8233.4105-18.1393B=22.0SSSQuery vizier around this object
114.2233.3529-18.1200NEDQuery vizier around this object
115.2233.4033-18.0906NEDQuery vizier around this object
115.7233.4017-18.1464NEDQuery vizier around this object
115.8233.4005-18.0887B=22.4SSSQuery vizier around this object
116.1233.4200-18.1208NEDQuery vizier around this object
116.4233.3521-18.1208NEDQuery vizier around this object
116.6233.3783-18.0864NEDQuery vizier around this object
117.1233.3746-18.0872NEDQuery vizier around this object
117.1233.3604-18.1394NEDQuery vizier around this object
117.3233.3638-18.1425NEDQuery vizier around this object
118.6233.3517-18.1135B=21.6SSSQuery vizier around this object
119.6233.3788-18.1503NEDQuery vizier around this object
119.6233.4204-18.1125NEDQuery vizier around this object
120.6233.3646-18.0914NEDQuery vizier around this object
125.5233.3646-18.1461NEDQuery vizier around this object
125.6233.3504-18.1086NEDQuery vizier around this object
125.7233.3607-18.1431B=22.0, R2=19.8SSSQuery vizier around this object
125.7233.3608-18.1433NEDQuery vizier around this object
127.6233.4146-18.0953NEDQuery vizier around this object
127.7233.4223-18.1091B=20.8, R2=20.1SSSQuery vizier around this object
128.0233.3488-18.1147NEDQuery vizier around this object
128.4233.3517-18.1031NEDQuery vizier around this object
128.9233.4225-18.1272NEDQuery vizier around this object
129.1233.4224-18.1079B2=20.2, R1=19.3, R2=20.7USNO-B1Query vizier around this object
129.5233.3746-18.0836NEDQuery vizier around this object
129.9233.3492-18.1269NEDQuery vizier around this object
133.4233.4217-18.1330B2=20.8, I=18.4USNO-B1Query vizier around this object
133.5233.4192-18.1378NEDQuery vizier around this object
134.2233.4221-18.1325NEDQuery vizier around this object
135.2233.4166-18.1418I=19.3, R2=19.2USNO-B1Query vizier around this object
135.4233.3925-18.0806NEDQuery vizier around this object
135.5233.4167-18.1417NEDQuery vizier around this object
135.6233.4167-18.1418B=22.2, R2=20.2, i=19.3SSSQuery vizier around this object
136.1233.4245-18.1279B1=19.4, B2=21.7, I=16.2, R1=17.3, R2=16.3USNO-B1Query vizier around this object
136.2233.4258-18.1172NEDQuery vizier around this object
136.4233.3979-18.0817NEDQuery vizier around this object
137.3233.3488-18.1319NEDQuery vizier around this object
137.3233.4248-18.1281B=19.1, R2=17.8, i=17.3SSSQuery vizier around this object
137.7233.4204-18.1379B2=22.0, R2=20.7USNO-B1Query vizier around this object
137.7233.4250-18.1281NEDQuery vizier around this object
138.1233.3504-18.0997NEDQuery vizier around this object
138.1233.3967-18.1547NEDQuery vizier around this object
138.4233.3633-18.1497NEDQuery vizier around this object
138.7233.4072-18.0850B=21.9SSSQuery vizier around this object
138.9233.3833-18.1564NEDQuery vizier around this object
139.1233.3525-18.0958NEDQuery vizier around this object
139.4233.3862-18.1566B2=20.1, R1=19.6, R2=19.2USNO-B1Query vizier around this object
139.8233.3948-18.1558B2=19.6, R2=19.2USNO-B1Query vizier around this object
139.9233.4175-18.0933NEDQuery vizier around this object
140.9233.3908-18.1567NEDQuery vizier around this object
141.7233.3779-18.0792NEDQuery vizier around this object
141.8233.3650-18.1519NEDQuery vizier around this object
142.1233.4039-18.0822B=21.7, R2=20.1SSSQuery vizier around this object
142.4233.4040-18.0821I=19.3, R2=19.3USNO-B1Query vizier around this object
142.7233.4066-18.0833B2=19.8, I=18.8USNO-B1Query vizier around this object
142.7233.4067-18.0833NEDQuery vizier around this object
143.4233.4071-18.0833NEDQuery vizier around this object
143.9233.3464-18.1309I=18.1, R1=19.5, R2=19.5USNO-B1Query vizier around this object
144.3233.3995-18.1558B=22.0SSSQuery vizier around this object
144.4233.4267-18.1281NEDQuery vizier around this object
144.8233.3761-18.1569B=21.1, R2=20.3SSSQuery vizier around this object
145.0233.3638-18.0836NEDQuery vizier around this object
145.1233.4079-18.0833NEDQuery vizier around this object
145.3233.3554-18.1456NEDQuery vizier around this object
145.5233.3459-18.1309I=17.4, R2=19.3USNO-B1Query vizier around this object
146.4233.4276-18.1279B2=21.8, I=17.6, R2=18.3USNO-B1Query vizier around this object
147.6233.3430-18.1156B=21.9, R2=19.6, i=18.0SSSQuery vizier around this object
147.7233.3430-18.1154I=18.2, R2=19.3USNO-B1Query vizier around this object
147.9233.3429-18.1156NEDQuery vizier around this object
148.3233.4246-18.1369NEDQuery vizier around this object
148.3233.3725-18.0786NEDQuery vizier around this object
148.6233.3513-18.0933NEDQuery vizier around this object
149.2233.4158-18.1481NEDQuery vizier around this object
149.3233.3425-18.1155I=18.3, R1=19.3, R2=20.1USNO-B1Query vizier around this object
149.6233.4050-18.1553NEDQuery vizier around this object
150.2233.4053-18.1554B2=19.4, I=19.1USNO-B1Query vizier around this object
150.3233.4083-18.1539NEDQuery vizier around this object
150.5233.3533-18.0900NEDQuery vizier around this object
151.3233.3429-18.1081NEDQuery vizier around this object
151.4233.3533-18.0894NEDQuery vizier around this object
152.3233.3867-18.1600NEDQuery vizier around this object
152.5233.3671-18.0794NEDQuery vizier around this object
152.9233.3567-18.0858NEDQuery vizier around this object
154.6233.3464-18.1383B1=20.5, I=19.1USNO-B1Query vizier around this object
154.7233.3431-18.1309B1=14.4, B2=16.4, I=12.9, R1=13.3, R2=13.3USNO-B1Query vizier around this object
154.7233.3429-18.1308NEDQuery vizier around this object
154.8233.4304-18.1261NEDQuery vizier around this object
155.0233.3458-18.1381NEDQuery vizier around this object
155.4233.3667-18.1568I=19.0, R2=19.1USNO-B1Query vizier around this object
155.7233.3459-18.1380B=22.4, R2=20.0, i=19.0SSSQuery vizier around this object
155.8233.3796-18.1606NEDQuery vizier around this object
155.9233.3667-18.1569NEDQuery vizier around this object
156.1233.4309-18.1261B2=19.1, I=18.5, R2=19.3USNO-B1Query vizier around this object
156.4233.4246-18.0944NEDQuery vizier around this object
157.0233.3408-18.1097NEDQuery vizier around this object
157.0233.3754-18.1603NEDQuery vizier around this object
157.4233.3660-18.1572B1=20.0, B2=19.9, I=18.8, R2=19.3USNO-B1Query vizier around this object
157.4233.3816-18.1614I=18.7, R1=19.6, R2=18.6USNO-B1Query vizier around this object
158.0233.4050-18.1578NEDQuery vizier around this object
158.6233.4117-18.0811NEDQuery vizier around this object
159.4233.3996-18.1603NEDQuery vizier around this object
159.8233.3396-18.1236NEDQuery vizier around this object
160.8233.3955-18.1616I=18.1, R1=19.7USNO-B1Query vizier around this object
161.1233.4283-18.0979B2=22.0, R1=19.7USNO-B1Query vizier around this object
161.6233.4050-18.0767NEDQuery vizier around this object
161.8233.4333-18.1175NEDQuery vizier around this object
161.8233.4334-18.1168B=21.9SSSQuery vizier around this object
161.9233.3388-18.1133NEDQuery vizier around this object
163.1233.3388-18.1133NEDQuery vizier around this object
163.4233.3392-18.1264NEDQuery vizier around this object
163.8233.3413-18.1022NEDQuery vizier around this object
163.9233.4329-18.1278NEDQuery vizier around this object
164.2233.3549-18.0832B=20.9, R2=19.1, i=17.9SSSQuery vizier around this object
164.3233.4163-18.1531NEDQuery vizier around this object
164.4233.3541-18.0838B2=20.0, I=17.9, R1=19.5, R2=19.0USNO-B1Query vizier around this object
164.6233.3552-18.0828B2=20.1, I=18.1, R1=18.9, R2=19.3USNO-B1Query vizier around this object
164.8233.3462-18.0922NEDQuery vizier around this object
164.9233.3550-18.0828NEDQuery vizier around this object
165.6233.3500-18.1483NEDQuery vizier around this object
165.7233.3708-18.0742NEDQuery vizier around this object
165.7233.3779-18.1633NEDQuery vizier around this object
165.8233.3377-18.1156B1=20.7, I=19.0, R1=19.6, R2=19.1USNO-B1Query vizier around this object
165.8233.3381-18.1118B2=22.0, I=16.2, R2=18.8USNO-B1Query vizier around this object
166.7233.3375-18.1133NEDQuery vizier around this object
166.9233.4104-18.1581NEDQuery vizier around this object
168.0233.3913-18.0714NEDQuery vizier around this object
168.2233.4138-18.0792NEDQuery vizier around this object
168.6233.4217-18.0856NEDQuery vizier around this object
169.3233.3384-18.1053B2=21.9, I=18.4, R1=20.2USNO-B1Query vizier around this object
169.4233.3489-18.0868B1=20.9, I=19.0, R2=19.7USNO-B1Query vizier around this object
169.8233.3564-18.0800I=18.7, R2=19.3USNO-B1Query vizier around this object
169.9233.4092-18.0761NEDQuery vizier around this object
170.2233.3563-18.0800NEDQuery vizier around this object
170.3233.3671-18.1617NEDQuery vizier around this object
170.3233.3674-18.1617I=18.7, R1=19.8, R2=18.8USNO-B1Query vizier around this object
170.5233.4096-18.0761NEDQuery vizier around this object
170.9233.3596-18.1581NEDQuery vizier around this object
171.1233.4283-18.1431NEDQuery vizier around this object
171.3233.3605-18.1587B=22.1, R2=20.8SSSQuery vizier around this object
171.5233.3479-18.0869NEDQuery vizier around this object
171.5233.3894-18.1654B=22.0SSSQuery vizier around this object
171.6233.3480-18.0868B=21.8, R2=19.7SSSQuery vizier around this object
171.6233.3481-18.0868B2=21.0, I=19.2, R1=18.9, R2=19.6USNO-B1Query vizier around this object
171.9233.3440-18.0918B=21.6, R2=20.1SSSQuery vizier around this object
172.3233.3478-18.0868I=18.6, R2=19.3USNO-B1Query vizier around this object
172.8233.4346-18.1306NEDQuery vizier around this object
173.0233.3858-18.0697NEDQuery vizier around this object
173.5233.3859-18.0696I=19.0, R1=19.0USNO-B1Query vizier around this object
173.6233.3379-18.1331NEDQuery vizier around this object
173.9233.3942-18.1656NEDQuery vizier around this object
173.9233.4221-18.1519NEDQuery vizier around this object
174.2233.3671-18.0731NEDQuery vizier around this object
174.3233.4226-18.1516B2=22.0, I=18.6, R1=19.2, R2=19.9USNO-B1Query vizier around this object
174.3233.3808-18.0697NEDQuery vizier around this object
175.2233.3377-18.1337I=18.4, R1=19.9, R2=19.6USNO-B1Query vizier around this object
175.3233.3908-18.1664NEDQuery vizier around this object
176.2233.4112-18.1606NEDQuery vizier around this object
177.6233.3737-18.1657B2=20.1, R1=19.1, R2=19.3USNO-B1Query vizier around this object
178.6233.3429-18.1458NEDQuery vizier around this object
179.0233.3683-18.1647NEDQuery vizier around this object
179.3233.4150-18.1592NEDQuery vizier around this object
179.6233.4167-18.0772NEDQuery vizier around this object
181.6233.3748-18.1671B1=20.0, B2=21.4, I=19.1, R2=19.7USNO-B1Query vizier around this object
181.9233.4388-18.1231NEDQuery vizier around this object
182.6233.4379-18.1300NEDQuery vizier around this object
182.7233.3744-18.1673B=21.6, R2=19.4SSSQuery vizier around this object
183.2233.3783-18.1683NEDQuery vizier around this object
183.3233.3471-18.1528NEDQuery vizier around this object
183.7233.3932-18.1684B2=22.0, I=19.0USNO-B1Query vizier around this object
184.2233.3368-18.0972B1=20.0, B2=17.3, R1=19.8USNO-B1Query vizier around this object
184.2233.4100-18.0719NEDQuery vizier around this object
185.5233.3954-18.0672NEDQuery vizier around this object
186.6233.4374-18.1002B2=22.0, R2=19.7USNO-B1Query vizier around this object
187.3233.4275-18.0836NEDQuery vizier around this object
187.4233.3608-18.1642NEDQuery vizier around this object
187.9233.4092-18.1653NEDQuery vizier around this object
188.1233.4304-18.1486NEDQuery vizier around this object
188.8233.3383-18.0911NEDQuery vizier around this object
188.8233.3787-18.0659B=21.6SSSQuery vizier around this object
191.9233.4417-18.1103NEDQuery vizier around this object
192.8233.3600-18.1653B=21.7SSSQuery vizier around this object
193.8233.3738-18.0653NEDQuery vizier around this object
194.0233.3804-18.0642NEDQuery vizier around this object
194.2233.4425-18.1233NEDQuery vizier around this object
194.6233.3804-18.0641B2=21.4, I=18.6, R1=20.0, R2=19.1USNO-B1Query vizier around this object
194.6233.3292-18.1214NEDQuery vizier around this object
196.1233.4100-18.0683NEDQuery vizier around this object
196.4233.4332-18.0866B2=20.2, I=18.8USNO-B1Query vizier around this object
196.6233.3364-18.1452B2=22.0, R2=19.2USNO-B1Query vizier around this object
197.1233.4175-18.0719NEDQuery vizier around this object
197.1233.4428-18.1082B2=20.0, I=18.9, R1=19.6, R2=19.3USNO-B1Query vizier around this object
197.6233.4025-18.1706NEDQuery vizier around this object
197.7233.4430-18.1084B=20.2, R2=20.2SSSQuery vizier around this object
198.0233.4103-18.0679B2=20.9, I=18.6, R2=20.0USNO-B1Query vizier around this object
198.0233.4429-18.1081NEDQuery vizier around this object
198.7233.3281-18.1190B=20.8, R2=19.3SSSQuery vizier around this object
198.8233.4258-18.0778NEDQuery vizier around this object
198.8233.3279-18.1183NEDQuery vizier around this object
198.9233.3346-18.1433NEDQuery vizier around this object
199.1233.3279-18.1186B2=20.6, I=19.0, R1=19.6, R2=19.6USNO-B1Query vizier around this object

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