FLASH REPORTS -- NOVA ID=9500898442

NOVA ID=9500898442

X-ray burst from GS 1826-238

Alert Mail

[Ground Trigger ID]
ID          :  9500898442

[Count Weighted Position]
RA,Dec: (277.368, -23.797)
Galac.: (  9.278,  -6.098)
Eclip.: (276.739,  -0.530)

[Triggered Criteria]

[Highest Significance]
DPTC  : 1318191329
UT    : 2021/10/13 20:15:43
on    : 3s (S-band)
sigma : 15.9

[Observed flux]
S :    460 +-    29 mCrab ( 3-10keV)
L :    465 +-    40 mCrab ( 2- 4keV)
M :    668 +-    49 mCrab ( 4-10keV)
H :    502 +-   119 mCrab (10-20keV)

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.00    209.7 (277.37, -23.80)  GS 1826-238,V4634 Sgr
1.24      0.7 (277.24, -25.03)  MAXI J1828-249
1.55      9.6 (276.12, -24.85)  AX J1824.5-2451
1.55      9.6 (276.14, -24.87)  M 28,IGR J18245-2452
2.63      3.9 (274.60, -24.54)  XTE J1818-245
2.81     29.8 (274.84, -25.41)  V4641 Sgr,SAX J1819.3-2525
2.90  unknown (278.42, -21.06)  PKS 1830-21,PKS 1830-211
3.07  unknown (274.34, -25.14)  IGR J18173-2509
3.81  unknown (273.22, -23.53)  PSR J1809-2332,0FGL J1809.5-2331
4.17     -3.1 (273.12, -22.33)  MAXI J1810-222
4.44  unknown (272.59, -23.09)  V5588 Sgr
4.65  unknown (282.46, -23.84)  Ross 154
4.71      4.4 (278.93, -19.32)  MAXI J1836-194
4.85      7.8 (272.69, -26.15)  SAX J1810.8-2609,V4722 Sgr

[Sun/Moon (RA, Dec)]
Sun :  (198.852, -7.978)
Sun dist:  76.3
Moon:  (302.529, -24.535)
age: 7.52 day

[Latitude/Longitude]
(1.20N, 31.46W)

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	687387485.594 (2021-10-12T20:58:00)	687387850.034 (2021-10-12T21:04:05)		link to lc
2	687393066.010 (2021-10-12T22:31:01)	687393352.974 (2021-10-12T22:35:47)		link to lc
3	687398644.356 (2021-10-13T00:03:59)	687399009.736 (2021-10-13T00:10:04)		link to lc
4	687404225.055 (2021-10-13T01:37:00)	687404589.888 (2021-10-13T01:43:04)		link to lc
5	687409800.973 (2021-10-13T03:09:55)	687410166.846 (2021-10-13T03:16:01)		link to lc
6	687415382.473 (2021-10-13T04:42:57)	687415742.381 (2021-10-13T04:48:57)		link to lc
7	687420959.094 (2021-10-13T06:15:54)	687421323.489 (2021-10-13T06:21:58)		link to lc
8	687426541.660 (2021-10-13T07:48:56)	687426898.093 (2021-10-13T07:54:53)		link to lc
9	687432119.631 (2021-10-13T09:21:54)	687432481.078 (2021-10-13T09:27:56)		link to lc
10	687437696.125 (2021-10-13T10:54:51)	687438052.976 (2021-10-13T11:00:47)		link to lc
11	687443275.313 (2021-10-13T12:27:50)	687443633.756 (2021-10-13T12:33:48)		link to lc
12	687448853.619 (2021-10-13T14:00:48)	687449208.095 (2021-10-13T14:06:43)		link to lc
13	687454433.108 (2021-10-13T15:33:48)	687454791.521 (2021-10-13T15:39:46)		link to lc
14	687460014.900 (2021-10-13T17:06:49)	687460370.248 (2021-10-13T17:12:45)		link to lc
15	687465594.436 (2021-10-13T18:39:49)	687465950.575 (2021-10-13T18:45:45)		link to lc
16	687471172.481 (2021-10-13T20:12:47)	687471527.029 (2021-10-13T20:18:42)		link to lc
17	687476752.649 (2021-10-13T21:45:47)	687476982.911 (2021-10-13T21:49:37)		link to lc

Localization Error Box

Follow-up Obs.