FLASH REPORTS -- NOVA ID=9449894776

NOVA ID=9449894776

X-ray burst from H 1820-303

Alert Mail

[Ground Trigger ID]
ID          :  9449894776

[Count Weighted Position]
RA,Dec: (275.920, -30.361)
Galac.: (  2.795,  -7.924)
Eclip.: (275.145,  -7.027)

[Triggered Criteria]

[Highest Significance]
DPTC  : 1313753258
UT    : 2021/08/23 11:27:46
on    : 3s (S-band)
sigma : 24.0

[Observed flux]
S :   1274 +-    53 mCrab ( 3-10keV)
L :    442 +-    46 mCrab ( 2- 4keV)
M :   2196 +-    98 mCrab ( 4-10keV)
H :   2781 +-   230 mCrab (10-20keV)

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.00    224.0 (275.92, -30.36)  NGC 6624,H 1820-303
2.94     10.3 (274.43, -33.02)  XTE J1817-330 with XTE J1814-338
3.67     -1.2 (278.93, -32.99)  RX J1832-33,XB 1832-330
3.74     16.5 (271.75, -29.41)  XTE J1807-294
3.77  unknown (271.86, -29.01)  V5585 Sgr
3.89  unknown (273.99, -33.89)  IGR J18159-3353
4.02  unknown (273.41, -33.77)  XTE J1814-338 with XTE J1817-330
4.49     10.1 (270.76, -29.83)  MAXI J1803-298
4.89  unknown (271.78, -33.78)  V5583 Sgr

[Sun/Moon (RA, Dec)]
Sun :  (152.343, 11.381)
Sun dist: 124.6
Moon:  (345.781, -11.483)
age: 15.21 day

[Latitude/Longitude]
(5.13N, 41.98E)

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	682949456.978 (2021-08-22T12:10:51)	682949788.650 (2021-08-22T12:16:23)		link to lc
2	682955037.211 (2021-08-22T13:43:52)	682955371.917 (2021-08-22T13:49:26)		link to lc
3	682960625.616 (2021-08-22T15:17:00)	682960958.279 (2021-08-22T15:22:33)		link to lc
4	682966209.566 (2021-08-22T16:50:04)	682966540.822 (2021-08-22T16:55:35)		link to lc
5	682971787.777 (2021-08-22T18:23:02)	682972067.025 (2021-08-22T18:27:42)		link to lc
6	682977364.938 (2021-08-22T19:55:59)	682977697.372 (2021-08-22T20:01:32)		link to lc
7	682982936.978 (2021-08-22T21:28:51)	682983268.695 (2021-08-22T21:34:23)		link to lc
8	682988514.603 (2021-08-22T23:01:49)	682988847.208 (2021-08-22T23:07:22)		link to lc
9	682994102.565 (2021-08-23T00:34:57)	682994433.894 (2021-08-23T00:40:28)		link to lc
10	682999682.677 (2021-08-23T02:07:57)	683000014.017 (2021-08-23T02:13:29)		link to lc
11	683005262.768 (2021-08-23T03:40:57)	683005596.379 (2021-08-23T03:46:31)		link to lc
12	683010842.470 (2021-08-23T05:13:57)	683011176.151 (2021-08-23T05:19:31)		link to lc
13	683016422.553 (2021-08-23T06:46:57)	683016757.298 (2021-08-23T06:52:32)		link to lc
14	683022002.623 (2021-08-23T08:19:57)	683022337.900 (2021-08-23T08:25:32)		link to lc
15	683027586.317 (2021-08-23T09:53:01)	683027913.593 (2021-08-23T09:58:28)		link to lc
16	683033164.657 (2021-08-23T11:25:59)	683033478.816 (2021-08-23T11:31:13)		link to lc
17	683038742.650 (2021-08-23T12:58:57)	683039076.978 (2021-08-23T13:04:31)		link to lc
18	683044325.190 (2021-08-23T14:32:00)	683044657.591 (2021-08-23T14:37:32)		link to lc
19	683049905.473 (2021-08-23T16:05:00)	683050236.819 (2021-08-23T16:10:31)		link to lc
20	683055484.416 (2021-08-23T17:37:59)	683055706.909 (2021-08-23T17:41:41)		link to lc
21	683061064.737 (2021-08-23T19:10:59)	683061338.500 (2021-08-23T19:15:33)		link to lc
22	683066651.303 (2021-08-23T20:44:06)	683066980.722 (2021-08-23T20:49:35)		link to lc
23	683072227.150 (2021-08-23T22:17:02)	683072560.006 (2021-08-23T22:22:35)		link to lc
24	683077809.139 (2021-08-23T23:50:04)	683078142.719 (2021-08-23T23:55:37)		link to lc
25	683083390.551 (2021-08-24T01:23:05)	683083720.959 (2021-08-24T01:28:35)		link to lc

Localization Error Box

Follow-up Obs.