[X-ray-star:798] H 1553-542

[maxiweb at maxi.riken.jp]

H 1553-542 is in outburst (K. Asakura, H. Negoro).

=====================
MAXI transient alert
2021-01-01 00:20:41 UT
=====================

[Ground Trigger ID]
ID          :  9215024937

[Count Weighted Position]
RA,Dec: (239.370, -54.149)
Galac.: (328.084,  -0.630)
Eclip.: (249.182, -32.901)

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

[Highest Significance]
DPTC  : 1293495631
UT    : 2021/01/01 00:20:41
on    : 4d (S-band)
sigma : 3.0

[Observed flux]
S :     30 +-    10 mCrab
L :     17 +-    12 mCrab
M :     52 +-    18 mCrab
H :     73 +-    73 mCrab

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.27     16.8 (239.45, -54.41)  H 1553-542,2S 1553-542
0.97     33.5 (237.72, -54.31)  1E 1547.0-5408
2.50    -12.8 (237.75, -56.48)  XTE J1550-564,V381 Nor
2.86     -4.3 (243.18, -52.42)  4U 1608-52,H 1608-522,QX Nor
2.86     57.3 (235.60, -52.39)  4U 1538-52,QV Nor
3.03    -19.9 (235.82, -56.41)  MAXI J1543-564
3.19    -10.4 (236.01, -56.71)  XTE J1543-568
4.38    -20.2 (233.83, -57.23)  MAXI J1535-571
4.40  unknown (234.74, -57.71)  V343 Nor
4.40  unknown (245.19, -51.51)  IGR J16207-5129
4.73  unknown (234.01, -57.81)  IGR J15360-5750
4.90      1.4 (246.65, -51.94)  Swift J1626.6-5156

[Sun/Moon (RA, Dec)]
Sun :  (281.434, -23.029)
Moon:  (125.785, 23.062)
age: 16.99 day

[Latitude/Longitude]
(34.07N, 131.22E)


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For more information:
 http://maxi.riken.jp/alert/novae/9215024937/9215024937.htm

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