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GRB 260208B: Swift observation summary

Mission:Fermi/LAT
GRB RA:99.638°
GRB Dec:-13.838°
GRB Err:3.6 arcmin
T0:2026-02-08 09:52:44 UT
Galactic:223.91° -9.07°
Galactic NH:2.86× 1021 cm-2
Galactic E(B-V):0.4016443
Sun distance:129.36°
Sun angle:9.19 [hr](East of Sun)
Moon distance:107.09°
Visibility of this field.
Data analysed so far:
  • ObsID: 00021909001 with 1.9 ks exposure.

About ToO analysis.

Find an upper limit.

Sources found so far

So far 115 sources have been found in the XRT data. 4 sources match catalogued sources.

# RA (J2000) Dec (J2000) Err901 Detection
Flag2
Dist from
LAT pos
Exposure Notes Vizier
1
[details]
06h 38m 28.55s -13° 46′ 27.2″ 3.1′′ Good 4.0′ 1.9 ks Vizier logo
2
[details]
06h 39m 03.64s -13° 57′ 52.0″ 4.6′′ Reasonable 10.6′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
3
[details]
06h 39m 01.74s -13° 58′ 44.0″ 3.3′′ Poor 10.9′ 1.9 ks The source is 5.6-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
4
[details]
06h 39m 10.33s -13° 52′ 52.7″ 4.0′′ Poor 9.4′ 1.9 ks The source is 4.3-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
5
[details]
06h 38m 27.42s -13° 57′ 51.5″ 4.7′′ Poor 7.7′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
6
[details]
06h 39m 08.69s -13° 53′ 56.3″ 11.9′′ Poor 9.4′ 1.9 ks The source is 3.5-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
7
[details]
06h 39m 03.67s -13° 53′ 14.8″ 4.1′′ Poor 8.0′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
8
[details]
06h 38m 33.07s -13° 53′ 36.2″ 7.5′′ Poor 3.3′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
9
[details]
06h 38m 53.99s -13° 57′ 21.3″ 4.0′′ Poor 8.7′ 1.9 ks The source is 4.4-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
10
[details]
06h 38m 18.19s -13° 58′ 38.4″ 7.1′′ Poor 9.1′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
11
[details]
06h 38m 22.31s -13° 57′ 12.8″ 6.6′′ Poor 7.4′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
12
[details]
06h 39m 12.61s -13° 49′ 39.2″ 6.3′′ Poor 9.6′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
13
[details]
06h 39m 10.28s -13° 49′ 36.7″ 6.4′′ Poor 9.0′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
14
[details]
06h 38m 56.69s -13° 58′ 34.9″ 7.1′′ Poor 10.1′ 1.9 ks The source is 4.7-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
15
[details]
06h 38m 24.88s -13° 44′ 20.0″ 7.4′′ Poor 6.3′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
16
[details]
06h 39m 16.50s -13° 50′ 40.8″ 15.0′′ Poor 10.5′ 1.9 ks The source is 7.1-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
17
[details]
06h 39m 06.96s -13° 55′ 06.1″ 5.0′′ Reasonable 9.5′ 1.9 ks The source is 4.4-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
18
[details]
06h 38m 25.71s -13° 45′ 19.8″ 7.5′′ Poor 5.3′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
19
[details]
06h 38m 43.32s -13° 52′ 25.3″ 6.3′′ Poor 3.3′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
20
[details]
06h 38m 19.86s -13° 48′ 57.4″ 13.4′′ Poor 3.5′ 1.9 ks This source is extended or caused by diffuse emission.
Matches SIMBAD source: HD 47496, 23.5″ away.
Vizier logo
21
[details]
06h 38m 44.25s -13° 53′ 50.1″ 4.9′′ Poor 4.5′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
22
[details]
06h 39m 08.68s -13° 48′ 38.6″ 3.6′′ Poor 8.8′ 1.9 ks The source is 3.4-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
23
[details]
06h 39m 11.06s -13° 53′ 46.2″ 7.7′′ Poor 9.8′ 1.9 ks The source is 4.0-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
24
[details]
06h 38m 59.85s -13° 46′ 55.7″ 8.0′′ Poor 7.3′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
25
[details]
06h 38m 59.65s -13° 50′ 21.3″ 2.9′′ Poor 6.4′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
26
[details]
06h 38m 34.49s -14° 01′ 24.4″ 6.6′′ Poor 11.1′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
27
[details]
06h 39m 12.36s -13° 46′ 46.2″ 4.3′′ Poor 10.2′ 1.9 ks The source is 5.3-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
28
[details]
06h 38m 38.56s -13° 57′ 03.6″ 5.4′′ Poor 6.9′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
29
[details]
06h 38m 56.69s -13° 54′ 33.9″ 5.8′′ Poor 7.1′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
30
[details]
06h 38m 53.07s -13° 52′ 03.8″ 7.3′′ Poor 5.2′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
31
[details]
06h 39m 16.87s -13° 52′ 45.0″ 6.9′′ Poor 10.9′ 1.9 ks The source is 5.7-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
32
[details]
06h 39m 01.26s -13° 56′ 46.1″ 3.2′′ Poor 9.4′ 1.9 ks The source is 4.4-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
33
[details]
06h 38m 17.38s -13° 46′ 35.6″ 3.8′′ Poor 5.3′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
34
[details]
06h 38m 17.85s -13° 56′ 28.9″ 5.2′′ Poor 7.2′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
35
[details]
06h 37m 50.52s -13° 55′ 17.1″ 9.8′′ Poor 11.5′ 1.9 ks The source is 5.2-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
36
[details]
06h 38m 57.90s -13° 49′ 34.8″ 4.3′′ Poor 6.1′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
37
[details]
06h 39m 12.20s -13° 54′ 45.6″ 4.3′′ Poor 10.5′ 1.9 ks The source is 5.0-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
38
[details]
06h 39m 18.75s -13° 52′ 18.4″ 5.4′′ Poor 11.3′ 1.9 ks The source is 7.1-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
39
[details]
06h 39m 17.10s -13° 48′ 08.9″ 3.6′′ Poor 10.9′ 1.9 ks The source is 6.2-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
40
[details]
06h 39m 20.12s -13° 49′ 50.1″ 9.7′′ Poor 11.4′ 436 s The source is 4.2-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
41
[details]
06h 38m 24.94s -14° 00′ 18.8″ 5.9′′ Poor 10.2′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
42
[details]
06h 38m 58.53s -13° 41′ 35.0″ 21.9′′ Poor 10.7′ 1.9 ks The source is 5.2-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
43
[details]
06h 38m 38.70s -14° 01′ 42.6″ 28.8′′ Poor 11.5′ 483 s The source is fading with 3.8-σ significance.
The source is 6.0-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
44
[details]
06h 38m 14.90s -13° 48′ 33.5″ 7.9′′ Poor 4.7′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
45
[details]
06h 38m 48.22s -13° 56′ 08.2″ 8.0′′ Poor 6.9′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
46
[details]
06h 39m 14.15s -13° 48′ 41.7″ 4.4′′ Poor 10.1′ 1.9 ks The source is 5.2-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
47
[details]
06h 39m 06.90s -13° 50′ 10.3″ 5.2′′ Poor 8.2′ 1.9 ks The source is 3.1-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
48
[details]
06h 38m 56.82s -13° 55′ 31.4″ 6.6′′ Poor 7.8′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
49
[details]
06h 37m 59.04s -13° 44′ 43.1″ 4.4′′ Poor 10.0′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
50
[details]
06h 38m 08.44s -13° 55′ 38.4″ 5.4′′ Poor 8.0′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
51
[details]
06h 38m 19.55s -13° 40′ 11.9″ 15.0′′ Poor 10.6′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
52
[details]
06h 38m 48.05s -13° 59′ 25.7″ 6.8′′ Poor 9.8′ 1.9 ks The source is 6.7-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
53
[details]
06h 39m 19.57s -13° 48′ 37.7″ 5.3′′ Poor 11.4′ 1.8 ks The source is 4.1-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
54
[details]
06h 38m 50.28s -13° 57′ 20.8″ 3.3′′ Poor 8.2′ 1.9 ks The source is fading with 3.1-σ significance.
This source is extended or caused by diffuse emission.
Vizier logo
55
[details]
06h 38m 08.65s -13° 58′ 38.9″ 7.1′′ Poor 10.3′ 1.9 ks The source is 4.2-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
56
[details]
06h 38m 02.10s -13° 46′ 30.8″ 5.0′′ Poor 8.4′ 1.9 ks This source is extended or caused by diffuse emission.
Matches known X-ray source: 1RXS J063801.3-134635 (from ROSAT/RASSFSC), 17.7″ away.
Matches SIMBAD source: 1RXS J063801.3-134635, 17.7″ away.
Vizier logo
57
[details]
06h 38m 23.92s -13° 57′ 38.7″ 5.5′′ Poor 7.7′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
58
[details]
06h 38m 54.78s -13° 46′ 44.1″ 4.5′′ Poor 6.3′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
59
[details]
06h 39m 08.25s -13° 56′ 49.6″ 8.8′′ Poor 10.8′ 1.9 ks The source is 5.5-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
60
[details]
06h 38m 25.45s -13° 58′ 48.2″ 7.6′′ Poor 8.7′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
61
[details]
06h 38m 45.11s -13° 56′ 41.6″ 5.4′′ Poor 7.0′ 1.9 ks The source is 4.4-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
62
[details]
06h 39m 05.74s -13° 55′ 54.1″ 6.8′′ Poor 9.7′ 1.9 ks The source is 4.9-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
63
[details]
06h 39m 09.22s -13° 56′ 15.7″ 7.7′′ Poor 10.6′ 1.9 ks The source is 4.9-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
64
[details]
06h 38m 51.61s -14° 00′ 48.0″ 5.3′′ Poor 11.4′ 483 s The source is fading with 3.7-σ significance.
The source is 5.5-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
65
[details]
06h 37m 55.70s -13° 55′ 49.6″ 7.2′′ Poor 10.6′ 1.9 ks The source is 5.6-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
66
[details]
06h 38m 06.48s -13° 49′ 20.2″ 8.6′′ Poor 6.5′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
67
[details]
06h 38m 41.99s -13° 57′ 52.2″ 5.0′′ Poor 7.9′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
68
[details]
06h 38m 45.43s -14° 00′ 29.5″ 7.6′′ Poor 10.6′ 1.9 ks The source is 5.9-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
69
[details]
06h 39m 10.61s -13° 51′ 50.6″ 7.6′′ Poor 9.2′ 1.9 ks The source is 3.6-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
70
[details]
06h 38m 35.15s -13° 45′ 16.1″ 9.3′′ Poor 5.0′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
71
[details]
06h 38m 52.25s -13° 54′ 39.0″ 12.0′′ Poor 6.4′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
72
[details]
06h 39m 14.52s -13° 49′ 25.9″ 3.4′′ Poor 10.1′ 1.9 ks The source is 4.7-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
73
[details]
06h 38m 41.39s -13° 58′ 57.0″ 4.6′′ Poor 8.9′ 1.9 ks The source is 5.1-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
74
[details]
06h 38m 53.41s -13° 58′ 52.8″ 6.6′′ Poor 9.9′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
75
[details]
06h 38m 52.28s -13° 58′ 10.2″ 9.1′′ Poor 9.2′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
76
[details]
06h 38m 49.69s -13° 57′ 24.7″ 4.2′′ Poor 8.2′ 1.9 ks The source is 4.0-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
77
[details]
06h 38m 44.32s -13° 55′ 45.1″ 10.5′′ Poor 6.1′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
78
[details]
06h 38m 59.61s -13° 58′ 13.9″ 4.8′′ Poor 10.2′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
79
[details]
06h 39m 13.26s -13° 53′ 25.8″ 4.8′′ Poor 10.2′ 1.9 ks The source is 4.8-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
80
[details]
06h 39m 02.26s -13° 51′ 24.0″ 7.6′′ Poor 7.2′ 1.9 ks This source is extended or caused by diffuse emission.
Matches SIMBAD source: Gaia DR3 2950925175561784832, 15.4″ away.
Vizier logo
81
[details]
06h 38m 27.85s -13° 56′ 10.5″ 17.4′′ Poor 6.0′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
82
[details]
06h 39m 02.45s -13° 42′ 16.5″ 10.1′′ Poor 10.7′ 1.9 ks The source is 7.3-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
83
[details]
06h 38m 54.40s -13° 59′ 45.0″ 4.2′′ Poor 10.8′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
84
[details]
06h 38m 58.74s -13° 57′ 33.9″ 4.9′′ Poor 9.6′ 1.9 ks The source is 4.7-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
85
[details]
06h 38m 55.54s -13° 48′ 50.6″ 8.5′′ Poor 5.6′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
86
[details]
06h 39m 05.60s -13° 48′ 53.5″ 4.7′′ Poor 8.0′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
87
[details]
06h 39m 11.79s -13° 51′ 34.1″ 6.0′′ Poor 9.5′ 1.9 ks The source is 4.7-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
88
[details]
06h 38m 43.93s -13° 59′ 29.4″ 3.9′′ Poor 9.6′ 1.9 ks The source is 5.7-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
89
[details]
06h 38m 57.35s -13° 57′ 58.4″ 5.7′′ Poor 9.7′ 1.9 ks The source is 4.7-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
90
[details]
06h 38m 36.61s -13° 57′ 50.4″ 4.8′′ Poor 7.6′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
91
[details]
06h 38m 45.96s -13° 45′ 34.3″ 6.7′′ Poor 5.6′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
92
[details]
06h 38m 39.80s -14° 01′ 08.7″ 6.2′′ Poor 11.0′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
93
[details]
06h 38m 48.86s -13° 49′ 06.7″ 20.0′′ Poor 4.0′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
94
[details]
06h 39m 08.22s -13° 47′ 47.6″ 8.5′′ Poor 8.9′ 1.9 ks The source is 4.5-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
95
[details]
06h 39m 12.61s -13° 49′ 39.2″ 6.3′′ Poor 9.6′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
96
[details]
06h 38m 21.77s -13° 55′ 18.9″ 5.4′′ Poor 5.7′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
97
[details]
06h 39m 05.67s -13° 55′ 28.9″ 6.9′′ Poor 9.5′ 1.9 ks The source is 3.6-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
98
[details]
06h 39m 12.03s -13° 52′ 31.7″ 13.9′′ Poor 9.7′ 1.9 ks The source is 4.9-σ above the RASS limit.
This source is extended or caused by diffuse emission.
Vizier logo
99
[details]
06h 38m 04.55s -13° 50′ 58.0″ 8.9′′ Poor 7.0′ 1.9 ks This source is extended or caused by diffuse emission. Vizier logo
100
[details]
06h 39m 05.42s -13° 45′ 16.7″ 6.5′′ Poor 9.3′ 1.9 ks The source is 4.4-σ above the RASS limit. Vizier logo
101
[details]
06h 38m 21.20s -13° 47′ 34.8″ 3.8′′ Poor 4.0′ 1.9 ks Vizier logo
102
[details]
06h 38m 49.84s -13° 59′ 33.8″ 3.5′′ Poor 10.1′ 1.9 ks The source is 6.3-σ above the RASS limit.
This source may be affected by extended emission
Vizier logo
103
[details]
06h 39m 14.47s -13° 46′ 41.1″ 4.2′′ Poor 10.7′ 1.9 ks The source is 5.2-σ above the RASS limit.
This source may be affected by extended emission
Vizier logo
104
[details]
06h 38m 31.94s -13° 54′ 42.4″ 17.7′′ Poor 4.4′ 1.9 ks Vizier logo
105
[details]
06h 37m 52.60s -13° 53′ 13.7″ 5.4′′ Poor 10.3′ 1.9 ks The source is 3.9-σ above the RASS limit. Vizier logo
106
[details]
06h 38m 47.58s -13° 58′ 36.2″ 6.4′′ Poor 9.0′ 1.9 ks Vizier logo
107
[details]
06h 38m 55.79s -13° 58′ 59.6″ 4.7′′ Poor 10.3′ 1.9 ks This source may be affected by extended emission Vizier logo
108
[details]
06h 38m 26.59s -13° 55′ 03.9″ 10.6′′ Poor 5.0′ 1.9 ks Vizier logo
109
[details]
06h 39m 01.74s -13° 57′ 41.8″ 5.3′′ Poor 10.2′ 1.9 ks The source is 3.2-σ above the RASS limit.
This source may be affected by extended emission
Matches SIMBAD source: UCAC4 381-016727, 29.8″ away.
Vizier logo
110
[details]
06h 38m 48.54s -13° 42′ 35.2″ 6.6′′ Poor 8.6′ 1.9 ks Vizier logo
111
[details]
06h 38m 45.88s -13° 59′ 56.7″ 11.8′′ Poor 10.1′ 1.9 ks This source may be affected by extended emission Vizier logo
112
[details]
06h 38m 45.79s -13° 55′ 05.2″ 6.3′′ Poor 5.7′ 1.9 ks This source may be affected by extended emission Vizier logo
113
[details]
06h 38m 58.84s -13° 58′ 39.9″ 6.8′′ Poor 10.5′ 1.9 ks This source may be affected by extended emission Vizier logo
114
[details]
06h 38m 27.24s -14° 00′ 04.9″ 6.7′′ Poor 9.9′ 1.9 ks This source may be affected by extended emission Vizier logo
115
[details]
06h 38m 19.76s -14° 00′ 06.7″ 8.3′′ Poor 10.4′ 1.9 ks Vizier logo

1 Radius, 90% confidence.
2 Indicates how likely the source is to be real. See the 1SXPS documentation.
* The position was enhanced using astrometry derived from the Swift UVOT.
The position was astrometrically corrected using the XRT sources and the 2MASS catalogue.


Image

Select image style: Draggable PNG | JS9.

FITS image.

Image of all observations processed so far

Exposure map

FITS exposure map.

Exposure map of all observations processed so far