FLASH REPORTS -- NOVA ID=0772725493

NOVA ID=0772725493

XTE J1855-026

Alert Mail

[Ground Trigger ID]
ID          :  0772725493

[Count Weighted Position]
RA,Dec: (283.757,  -3.489)
Galac.: ( 30.240,  -2.397)
Eclip.: (284.562,  19.258)

[Triggered Criteria]
S  :  4orb
M  :  4orb, 1d

[Highest Significance]
DPTC  : 1428097467
UT    : 2025/04/07 21:45:32
on    : 4orb (S-band)
sigma : -0.1

[Observed flux]
S :     -1 +-    13 mCrab ( 3-10keV)
L :     -2 +-    12 mCrab ( 2- 4keV)
M :      5 +-    24 mCrab ( 4-10keV)
H :     -0 +-    90 mCrab (10-20keV)

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.89      4.9 (283.88,  -2.60)  XTE J1855-026
1.50      6.1 (282.32,  -3.06)  EXO 1846-031
1.71     -2.9 (282.07,  -3.17)  IGR J18483-0311
1.87  unknown (281.91,  -3.79)  V1723 Aql
1.99     -0.1 (282.07,  -2.42)  GS 1843-02,4U 1850-03
2.21  unknown (281.60,  -2.97)  AX J1846.4-0258,PSR J1846-0258
2.45  unknown (281.57,  -2.39)  IGRJ18462-0223
2.52      2.9 (282.21,  -1.50)  MAXI J1848-015,AX J1848.8-0129
2.59  unknown (281.22,  -2.93)  AX J1844.8-0258,AX J1845-0258
2.71  unknown (281.26,  -4.57)  IGR J18450-0435,AX J1845.0-0433
2.84  unknown (282.51,  -0.94)  Swift J185003.2-005627
2.86      8.5 (280.90,  -3.73)  Swift J1843.5-0343
3.63      1.0 (281.48,  -0.66)  Swift J1845.7-0037
3.71     19.9 (280.33,  -4.94)  1E 1841-045,PSR J1841-0456,Kes 73
4.08     17.9 (280.25,  -5.60)  IGR J18410-0535,AX1841.0-0536
4.35  unknown (282.23,   0.58)  V603 Aql
4.45      5.2 (287.58,  -5.79)  MAXI J1910-057,Swift J1910.2-0546
4.83     -3.3 (284.64,  -8.24)  Swift J1858.6-0814
4.87      3.2 (279.04,  -2.29)  MAXI J1834-021
4.97     15.4 (281.41,   0.89)  GS 1843+00,b 336
4.99  unknown (280.94,  -7.61)  V496 Sct

[Sun/Moon (RA, Dec)]
Sun :  (16.578, 7.054)
Sun dist:  93.2
Moon:  (144.828, 17.263)
age: 9.76 day

[Latitude/Longitude]
(4.42S, 128.83E)

Images

Lightcurve

Image

ALL	LOW (2 - 4 keV)	MED (4 - 10 keV)	HIGH (10 - 20 keV)

Spectrum

Past Variability

No	maxitime (ut)		Image	lc
No	Start	End	Image	lc
1	797293543.181 (2025-04-06T22:25:38)	797293973.827 (2025-04-06T22:32:48)		link to lc
2	797299119.427 (2025-04-06T23:58:34)	797299545.469 (2025-04-07T00:05:40)		link to lc
3	797304695.720 (2025-04-07T01:31:30)	797305132.506 (2025-04-07T01:38:47)		link to lc
4	797310270.373 (2025-04-07T03:04:25)	797310702.157 (2025-04-07T03:11:37)		link to lc
5	797315906.616 (2025-04-07T04:38:21)	797316281.984 (2025-04-07T04:44:36)		link to lc
6	797321556.774 (2025-04-07T06:12:31)	797321855.008 (2025-04-07T06:17:30)		link to lc
7	797327238.701 (2025-04-07T07:47:13)	797327418.328 (2025-04-07T07:50:13)		link to lc
8	797343730.343 (2025-04-07T12:22:05)	797344148.385 (2025-04-07T12:29:03)		link to lc
9	797349302.875 (2025-04-07T13:54:57)	797349733.889 (2025-04-07T14:02:08)		link to lc
10	797354881.129 (2025-04-07T15:27:56)	797355303.736 (2025-04-07T15:34:58)		link to lc
11	797360449.151 (2025-04-07T17:00:44)	797360877.164 (2025-04-07T17:07:52)		link to lc
12	797365877.531 (2025-04-07T18:31:12)	797366434.636 (2025-04-07T18:40:29)		link to lc
13	797371751.168 (2025-04-07T20:09:06)	797372183.819 (2025-04-07T20:16:18)		link to lc
14	797377329.567 (2025-04-07T21:42:04)	797377595.078 (2025-04-07T21:46:30)		link to lc

Localization Error Box