[X-ray-star:750] GRS 1915+105

[maxiweb at maxi.riken.jp]

MAXI detected a very bright hard X-ray flare from GRS 1915+105 (H.
Negoro).

=====================
MAXI transient alert
2020-02-13 11:35:35 UT
=====================

[Ground Trigger ID]
ID          :  8892849995

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

[Triggered Criteria]

[Highest Significance]
DPTC  : 1265628869
UT    : 2020/02/13 11:35:35
on    : 1s (S-band)
sigma : 3.6

[Observed flux]
S :     29 +-     8 mCrab
L :     10 +-     6 mCrab
M :     52 +-    15 mCrab
H :    187 +-    73 mCrab

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.00     16.4 (288.80,  10.95)  GRS 1915+105,V1487 Aql
1.10      3.3 (288.52,   9.88)  IGR J19140+0951
1.76     12.1 (287.41,   9.83)  4U 1907+09,H 1907+097
2.20      6.6 (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     11.7 (287.70,   7.60)  4U 1909+07,4U 1908+075
4.15     -3.9 (292.79,   9.62)  2FGL J1931.1+0938
4.34  unknown (288.54,  15.28)  V1722 Aql
4.76     -4.7 (293.29,   9.19)  MAXI J1932+091
4.82      2.2 (284.76,   8.23)  XTE J1859+083

[Sun/Moon (RA, Dec)]
Sun :  (326.263, -13.542)
Moon:  (202.038, -3.895)
age: 19.30 day

[Latitude/Longitude]
(23.46N, 88.54E)


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

---

For more information:
 http://maxi.riken.jp/alert/novae/8892849995/8892849995.htm

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