[X-ray-star:835] X-ray burst from H 1820-303

[maxiweb at maxi.riken.jp]

An type-I X-ray burst from 4U 1820-303.(W.Iwakiri)

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MAXI transient alert
2021-08-23 11:27:46 UT
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[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
L :    442 +-    46 mCrab
M :   2196 +-    98 mCrab
H :   2781 +-   230 mCrab

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.00    259.5 (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      4.7 (278.93, -32.99)  RX J1832-33,XB 1832-330
3.74     16.7 (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     -4.5 (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)
Moon:  (345.781, -11.483)
age: 15.21 day

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


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For more information:
 http://maxi.riken.jp/alert/novae/9449894776/9449894776.htm

About MAXI data:
 http://maxi.riken.jp/