[X-ray-star:831] GRS 1915+105 (rebrightening)

[maxiweb at maxi.riken.jp]

GRS 1915+105 is rapidly brightening again (H. Negoro).

=====================
MAXI transient alert
2021-07-07 23:59:59 UT
=====================

[Ground Trigger ID]
ID          :  9402849999

[Count Weighted Position]
RA,Dec: (288.798,  10.946)
Galac.: ( 45.372,  -0.226)
Eclip.: (292.149,  32.951)

[Triggered Criteria]

[Highest Significance]
DPTC  : 1309737596
UT    : 2021/07/07 23:59:59
on    : 1d (S-band)
sigma : 9.4

[Observed flux]
S :     94 +-    10 mCrab
L :     70 +-    12 mCrab
M :    141 +-    19 mCrab
H :     58 +-    63 mCrab

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.00    116.6 (288.80,  10.95)  GRS 1915+105,V1487 Aql
1.10      3.3 (288.52,   9.88)  IGR J19140+0951
1.76     40.4 (287.41,   9.83)  4U 1907+09,H 1907+097
2.20     20.7 (287.22,   9.38)  XTE J1908+094
2.54  unknown (286.81,   9.32)  SGR 1900+14,SGR1900+14
3.19  unknown (286.20,   9.04)  XTE J1906+090
3.19  unknown (287.80,  13.98)  IGR J19112+1358
3.52      4.2 (287.70,   7.60)  4U 1909+07,4U 1908+075
4.15     -4.8 (292.79,   9.62)  2FGL J1931.1+0938
4.34  unknown (288.54,  15.28)  V1722 Aql
4.76      7.5 (293.29,   9.19)  MAXI J1932+091
4.82     -3.9 (284.76,   8.23)  XTE J1859+083

[Sun/Moon (RA, Dec)]
Sun :  (107.121, 22.512)
Moon:  (82.031, 24.373)
age: 27.80 day

[Latitude/Longitude]
(37.92N, 8.24W)


We will report more detailed information on this event to ATel and/or GCN.

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For more information:
 http://maxi.riken.jp/alert/novae/9402849999/9402849999.htm

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