[X-ray-star:594] SAX J1810.8-2609 in outburst

[maxiweb at maxi.riken.jp]

A bright outburst from SAX J1810.8-2609 is on-going (H. Negoro).

=====================
MAXI transient alert
2018-04-27 10:11:51 UT
=====================

[Ground Trigger ID]
ID          :  8235849998

[Count Weighted Position]
RA,Dec: (272.685, -26.150)
Galac.: (  5.203,  -3.441)
Eclip.: (272.413,  -2.733)

[Triggered Criteria]

[Highest Significance]
DPTC  : 1208859102
UT    : 2018/04/27 10:11:51
on    : 4orb (S-band)
sigma : 14.4

[Observed flux]
S :    476 +-    33 mCrab
L :    445 +-    43 mCrab
M :    682 +-    56 mCrab
H :    350 +-   121 mCrab

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.00     20.1 (272.69, -26.15)  SAX J1810.8-2609,V4722 Sgr
1.80      7.8 (271.71, -24.58)  2S 1803-245,SAXWFC J1806.9-2434.7
1.80  unknown (274.34, -25.14)  IGR J18173-2509
2.08     21.1 (274.84, -25.41)  V4641 Sgr,SAX J1819.3-2525
2.18     21.2 (270.30, -25.74)  GRS 1758-258,1RXS J180112.6-254435
2.37      3.9 (274.60, -24.54)  XTE J1818-245
2.42   1091.7 (270.28, -25.08)  GX 5-1,1RXS J180108.7-250444
2.67  unknown (273.22, -23.53)  PSR J1809-2332,0FGL J1809.5-2331
2.95  unknown (271.86, -29.01)  V5585 Sgr
3.06  unknown (272.59, -23.09)  V5588 Sgr
3.28      4.2 (269.24, -25.11)  Swift J1756.9-2508
3.36     10.8 (271.75, -29.41)  XTE J1807-294
3.37      5.1 (276.12, -24.85)  AX J1824.5-2451
3.37      5.1 (276.14, -24.87)  M 28,IGR J18245-2452
3.41  unknown (271.96, -22.80)  MAXI J1807-228
3.66  unknown (268.61, -26.33)  IGR J17544-2619
3.85  unknown (268.43, -25.74)  Swift J1753.7-2544
3.90  unknown (270.25, -22.95)  SGR 1801-23,SGR1801-23
4.02  unknown (271.62, -22.25)  SAX J1806.5-2215
4.07  unknown (268.56, -27.91)  AX J1754.2-2754
4.26      3.2 (277.24, -25.03)  MAXI J1828-249
4.44  unknown (268.26, -28.21)  V5586 Sgr
4.55      4.2 (268.38, -23.82)  SAX J1753.5-2349
4.83      4.2 (269.94, -22.02)  XTE J1759-220,KRL2007b 297
4.85    171.3 (277.37, -23.80)  GS 1826-238,V4634 Sgr
4.87      3.6 (267.27, -26.65)  GRO J1750-27,AX J1749.1-2639

[Sun/Moon (RA, Dec)]
Sun :  (34.524, 13.810)
Moon:  (186.002, 1.833)
age: 11.91 day

[Latitude/Longitude]
(37.35N, 46.29E)


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/8235849998/8235849998.htm

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