[X-ray-star:962] 4U 1630-472

[maxiweb at maxi.riken.jp]

A probale new outburst from 4U 1630-472 is detected (H. Negoro).

=====================
MAXI transient alert
2025-04-04 15:41:17 UT
=====================

[Ground Trigger ID]
ID          :  0769524687

[Count Weighted Position]
RA,Dec: (248.235, -47.680)
Galac.: (336.582,   0.181)
Eclip.: (253.950, -25.446)

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

[Highest Significance]
DPTC  : 1427816412
UT    : 2025/04/04 15:41:17
on    : 1d (S-band)
sigma : 7.2

[Observed flux]
S :    101 +-    14 mCrab
L :     62 +-    16 mCrab
M :    164 +-    26 mCrab
H :    116 +-    99 mCrab

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.25  unknown (248.01, -47.87)  AX J1631.9-4752
0.25  unknown (248.19, -47.44)  IGR J16328-4726
0.31     20.9 (247.81, -47.80)  MAXI J1631-479
0.34     39.2 (248.50, -47.39)  4U 1630-472,Nor X-1,GX 337+00
0.50  unknown (248.97, -47.59)  SGR 1627-41,SGR1627-41
0.56  unknown (248.98, -47.43)  IGR J16358-4726,IGR16358-4726
1.14  unknown (247.97, -48.81)  IGR J16318-4848
1.25  unknown (247.04, -48.65)  IGR J16283-4838
1.43  unknown (249.78, -46.71)  IGR J16393-4643,AX J1639.0-4642
1.72     50.8 (247.01, -49.20)  4U 1624-490,1RXS J162804.7-491150
1.72  unknown (247.31, -46.08)  IGR J16293-4603
2.28  unknown (249.26, -49.86)  XTE J1637-498
2.63  unknown (250.46, -45.54)  IGR J16418-4532
3.02    418.0 (251.45, -45.61)  GX 340+0,1RXS J164547.8-453642
3.02  unknown (244.88, -49.74)  IGR J16195-4945,AX J1619.4-4945
3.03  unknown (251.79, -45.87)  CXOU J164710.2-455216
3.12      9.0 (245.09, -50.02)  MAXI J1621-501
3.12  unknown (249.31, -50.72)  IGR J16374-5043
3.48  unknown (251.65, -45.12)  IGR J16465-4507
3.54  unknown (244.16, -49.98)  IGR J16167-4957
3.58  unknown (251.99, -45.20)  IGR J16479-4514
3.62      7.7 (252.50, -49.96)  XTE J1650-500,GHJ2008 3
4.07  unknown (253.09, -45.34)  XTE J1652-453
4.31  unknown (245.19, -51.51)  IGR J16207-5129
4.38      2.8 (246.65, -51.94)  Swift J1626.6-5156
4.81  unknown (252.36, -43.82)  IGR J16493-4348

[Sun/Moon (RA, Dec)]
Sun :  (13.603, 5.825)
Moon:  (100.469, 28.248)
age: 6.51 day

[Latitude/Longitude]
(15.15S, 75.08E)


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For more information:
 http://maxi.riken.jp/alert/novae/0769524687/0769524687.htm

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