NOVA ID=9128890016

X-ray burst from 4U 1820-303 (H 1820-303)

Alert Mail
[Ground Trigger ID]
ID          :  9128890016

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

[Triggered Criteria]

[Highest Significance]
DPTC  : 1285977742
UT    : 2020/10/06 00:02:20
on    : 3s (S-band)
sigma : 6.8

[Observed flux]
S :    116 +-    17 mCrab ( 3-10keV)
L :    132 +-    24 mCrab ( 2- 4keV)
M :    180 +-    29 mCrab ( 4-10keV)
H :     35 +-    80 mCrab (10-20keV)

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.00    315.1 (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     13.5 (278.93, -32.99)  RX J1832-33,XB 1832-330
3.74     -0.4 (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
4.89  unknown (271.78, -33.78)  V5583 Sgr

[Sun/Moon (RA, Dec)]
Sun :  (191.883, -5.104)
Sun dist:  82.3
Moon:  (55.946, 17.621)
age: 18.57 day

[Latitude/Longitude]
(9.86N, 43.42W)


Images
Lightcurve
lc
Image
ALL LOW (2 - 4 keV) MED (4 - 10 keV) HIGH (10 - 20 keV)
image image image image
Spectrum
spectrum
Past Variability
Nomaxitime (ut)Imagelc
StartEnd
1 655172184.375
(2020-10-05T00:16:19)
655172426.322
(2020-10-05T00:20:21)
link to img link to lc
2 655173720.688
(2020-10-05T00:41:55)
655174297.059
(2020-10-05T00:51:32)
link to img link to lc
3 655177762.446
(2020-10-05T01:49:17)
655178076.151
(2020-10-05T01:54:31)
link to img link to lc
4 655179401.033
(2020-10-05T02:16:36)
655179879.143
(2020-10-05T02:24:34)
link to img link to lc
5 655183353.398
(2020-10-05T03:22:28)
655183645.219
(2020-10-05T03:27:20)
link to img link to lc
6 655184921.109
(2020-10-05T03:48:36)
655185458.669
(2020-10-05T03:57:33)
link to img link to lc
7 655188939.539
(2020-10-05T04:55:34)
655189225.394
(2020-10-05T05:00:20)
link to img link to lc
8 655190314.980
(2020-10-05T05:18:29)
655191033.408
(2020-10-05T05:30:28)
link to img link to lc
9 655194529.450
(2020-10-05T06:28:44)
655194726.607
(2020-10-05T06:32:01)
link to img link to lc
10 655195764.900
(2020-10-05T06:49:19)
655196611.221
(2020-10-05T07:03:26)
link to img link to lc
11 655200083.956
(2020-10-05T08:01:18)
655200296.289
(2020-10-05T08:04:51)
link to img link to lc
12 655201272.919
(2020-10-05T08:21:07)
655202208.259
(2020-10-05T08:36:43)
link to img link to lc
13 655205691.684
(2020-10-05T09:34:46)
655205875.211
(2020-10-05T09:37:50)
link to img link to lc
14 655206861.180
(2020-10-05T09:54:16)
655207765.329
(2020-10-05T10:09:20)
link to img link to lc
15 655211292.502
(2020-10-05T11:08:07)
655211446.428
(2020-10-05T11:10:41)
link to img link to lc
16 655212425.845
(2020-10-05T11:27:00)
655213357.515
(2020-10-05T11:42:32)
link to img link to lc
17 655216886.466
(2020-10-05T12:41:21)
655217026.927
(2020-10-05T12:43:41)
link to img link to lc
18 655218111.173
(2020-10-05T13:01:46)
655218913.165
(2020-10-05T13:15:08)
link to img link to lc
19 655222462.466
(2020-10-05T14:14:17)
655222596.310
(2020-10-05T14:16:31)
link to img link to lc
20 655223651.088
(2020-10-05T14:34:06)
655224493.161
(2020-10-05T14:48:08)
link to img link to lc
21 655229220.404
(2020-10-05T16:06:55)
655230077.480
(2020-10-05T16:21:12)
link to img link to lc
22 655234800.559
(2020-10-05T17:39:55)
655235653.602
(2020-10-05T17:54:08)
link to img link to lc
23 655240370.622
(2020-10-05T19:12:45)
655241226.890
(2020-10-05T19:27:01)
link to img link to lc
24 655245953.879
(2020-10-05T20:45:48)
655246801.265
(2020-10-05T20:59:56)
link to img link to lc
25 655251644.988
(2020-10-05T22:20:39)
655252384.986
(2020-10-05T22:32:59)
link to img link to lc
26 655255971.931
(2020-10-05T23:32:46)
655255985.830
(2020-10-05T23:33:00)
link to img link to lc
27 655257334.263
(2020-10-05T23:55:29)
655257964.911
(2020-10-06T00:05:59)
link to img link to lc
28 655261555.456
(2020-10-06T01:05:50)
655261665.404
(2020-10-06T01:07:40)
link to img link to lc
29 655263015.200
(2020-10-06T01:30:10)
655263536.461
(2020-10-06T01:38:51)
link to img link to lc
30 655267140.312
(2020-10-06T02:38:55)
655267269.445
(2020-10-06T02:41:04)
link to img link to lc
31 655268535.594
(2020-10-06T03:02:10)
655269116.042
(2020-10-06T03:11:51)
link to img link to lc
32 655272722.769
(2020-10-06T04:11:57)
655272846.345
(2020-10-06T04:14:01)
link to img link to lc
Localization Error Box
loc error box

Follow-up Obs.