[X-ray-star:591] V4641 Sgr

[maxiweb at maxi.riken.jp]

A possible weak, renewed activity of V4641 Sgr (H. Negoro).

=====================
MAXI transient alert
2018-04-09 06:24:08 UT
=====================

[Ground Trigger ID]
ID          :  8217849997

[Count Weighted Position]
RA,Dec: (274.840, -25.410)
Galac.: (  6.777,  -4.800)
Eclip.: (274.374,  -2.044)

[Triggered Criteria]

[Highest Significance]
DPTC  : 1207290241
UT    : 2018/04/09 06:24:08
on    : 4orb (S-band)
sigma : -9.5

[Observed flux]
S :   -105 +-    11 mCrab
L :    -83 +-    14 mCrab
M :   -157 +-    20 mCrab
H :   -113 +-    70 mCrab

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.00     19.3 (274.84, -25.41)  V4641 Sgr,SAX J1819.3-2525
0.52  unknown (274.34, -25.14)  IGR J18173-2509
0.90      3.9 (274.60, -24.54)  XTE J1818-245
1.29      7.2 (276.12, -24.85)  AX J1824.5-2451
1.29      7.2 (276.14, -24.87)  M 28,IGR J18245-2452
2.08    -18.0 (272.69, -26.15)  SAX J1810.8-2609,V4722 Sgr
2.21      0.4 (277.24, -25.03)  MAXI J1828-249
2.39  unknown (273.22, -23.53)  PSR J1809-2332,0FGL J1809.5-2331
2.81    141.0 (277.37, -23.80)  GS 1826-238,V4634 Sgr
2.95      7.8 (271.71, -24.58)  2S 1803-245,SAXWFC J1806.9-2434.7
3.10  unknown (272.59, -23.09)  V5588 Sgr
3.70  unknown (271.96, -22.80)  MAXI J1807-228
4.11     21.2 (270.30, -25.74)  GRS 1758-258,1RXS J180112.6-254435
4.13   1049.8 (270.28, -25.08)  GX 5-1,1RXS J180108.7-250444
4.32  unknown (271.62, -22.25)  SAX J1806.5-2215
4.47  unknown (271.86, -29.01)  V5585 Sgr
4.85     -7.4 (271.75, -29.41)  XTE J1807-294
4.86  unknown (270.25, -22.95)  SGR 1801-23,SGR1801-23

[Sun/Moon (RA, Dec)]
Sun :  (17.636, 7.486)
Moon:  (301.425, -19.141)
age: 23.29 day

[Latitude/Longitude]
(11.78S, 59.32E)


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For more information:
 http://maxi.riken.jp/alert/novae/8217849997/8217849997.htm

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