[X-ray-star:339] X-ray burst from un identified source

Sun Jan 11 23:09:58 JST 2015

An X-ray burst was detected from an identified source, tentatively MAXI
J1740-304 (H. Negoro).

=====================
MAXI transient alert
2015-01-11 04:08:15 UT
=====================

[Ground Trigger ID]
ID          :  7033849998

[Count Weighted Position]
RA,Dec: (265.100, -30.400)
Galac.: (358.164,   0.185)
Eclip.: (265.743,  -7.033)

[Triggered Criteria]

[Highest Significance]
DPTC  : 1104984505
UT    : 2015/01/11 04:08:15
on    : 1scan (S-band)
sigma : -5.1

[Observed flux]
S :   -138 +-    27 mCrab
L :   -169 +-    32 mCrab
M :   -187 +-    49 mCrab
H :    223 +-   117 mCrab

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.27  unknown (264.80, -30.34)  IGR J17391-3021,XTE J1739-302
0.54  unknown (265.27, -29.88)  EXS 1737.9-2952
0.61  unknown (264.39, -30.38)  IGR J17375-3022
0.64  unknown (265.04, -31.04)  AX J1740.1-3102,GRS 1737-31
0.99     22.6 (263.95, -30.47)  Terzan 1,XB 1732-304
1.01      8.7 (265.98, -29.74)  1E 1740.7-2942,SAXWFC J1743.8-2945.1
1.09  unknown (266.19, -29.85)  Swift J174444.9-295042
1.28     47.4 (263.61, -30.45)  MAXI J1735-304
1.33  unknown (266.58, -30.79)  IGR J17460-3047,IGR17460-3047
1.42  unknown (266.21, -29.35)  KS 1741-293,AX J1744.8-2921
1.52    174.3 (266.52, -29.52)  2E 1742.9-2929,GC X-1
1.56     14.3 (266.86, -30.04)  1RXS J174725.6-300241,SLX 1744-300
1.57  unknown (266.86, -30.00)  SLX 1744-299
1.69  unknown (263.38, -31.22)  GRS 1730-312,KS 1730-312
1.80     96.9 (266.42, -29.01)  Galactic Center Region
1.80  unknown (266.26, -28.91)  CXOGCS J174502.2-285449
1.91  unknown (264.98, -28.50)  XTE J1739-285
1.94  unknown (267.35, -30.50)  IGR J17494-3030
1.96      9.6 (266.50, -28.87)  GRO J1744-28,SAXWFC J1744.5-2844.6
1.96  unknown (264.64, -28.48)  GX 359+2,4U 1735-28
2.09    183.6 (266.76, -28.88)  SAX J1747.0-2853,1A 1743-288
2.10  unknown (265.18, -28.30)  SLX 1737-282,2E 1737.5-2817
2.11  unknown (266.59, -28.73)  1E 1743.1-2843,2E 1743.1-2842
2.22     21.2 (266.56, -32.23)  H 1743-322,XTE J17464-3213
2.25      4.5 (265.17, -28.15)  IGR J17407-2808
2.29  unknown (267.45, -29.35)  IGR J17498-2921
2.33  unknown (267.79, -30.63)  XTE J1751-305,SAXWFC J1751.2-3037.7
2.37  unknown (267.77, -30.95)  IGR J17511-3057
2.40     -2.0 (267.69, -31.29)  GRS 1747-312,SAXWFC J1750.8-3116.5
2.54      3.6 (267.02, -28.48)  XTE J1748-288,AXJ 1748.0-2829
2.56  unknown (267.60, -29.04)  SAX J1750.8-2900
2.70     69.6 (265.67, -27.75)  GRS 1739-278,SAXWFC J1742.7-2744.9
2.76      3.0 (263.84, -32.94)  IGR J17354-3255
2.78  unknown (262.12, -29.37)  IGR J17285-2922
2.79    128.8 (261.89, -30.80)  Terzan 2,4U 1724-307,ESO 454-SC 029
2.85  unknown (268.10, -31.63)  SAX J1752.3-3138,INTREF 865
2.87  unknown (267.41, -28.35)  IGR J17497-2821
3.02  unknown (267.38, -28.13)  Swift J1749.4-2807
3.31  unknown (264.12, -27.20)  IGR J17364-2711
3.34    118.9 (263.35, -33.39)  H 1730-333,Rapid Burster
3.40     28.4 (261.63, -28.83)  V2674 Oph,Nova Oph 2010 No. 2
3.41      5.8 (266.82, -27.34)  IGR J17473-2721
3.43  unknown (267.28, -27.54)  AX J1749.1-2733
3.44     -6.4 (267.45, -33.20)  SLX 1746-331,RX J1749.8-3312
3.44    170.3 (264.57, -26.99)  SLX 1735-269,1RXS J173817.0-265940
3.52  unknown (268.26, -28.21)  V5586 Sgr
3.83  unknown (268.87, -32.48)  XTE J1755-324
3.87     73.2 (262.99, -33.83)  GX 354-0,4U 1728-34,Slow Burster
3.92  unknown (268.56, -27.91)  AX J1754.2-2754
4.08  unknown (261.36, -32.95)  IGR J17254-3257
4.13  unknown (266.29, -26.40)  Swift J1745.1-2624
4.18    196.0 (266.98, -26.56)  GX 3+1,1RXS J174755.8-263352
4.21      3.6 (267.27, -26.65)  GRO J1750-27,AX J1749.1-2639
4.38  unknown (266.04, -26.10)  V5581 Sgr
4.45  unknown (260.02, -31.28)  IGR J17200-3116
4.52     43.2 (263.56, -26.09)  1RXS J173413.0-260527,KS 1731-260
4.57  unknown (260.00, -31.75)  XTE J1720-318,V1228 Sco
4.77  unknown (259.82, -29.07)  XTE J1719-291
4.77  unknown (262.50, -34.64)  SWIFT J1729.9-3437
4.95  unknown (259.70, -32.18)  1H 1715-321

[Sun/Moon (RA, Dec)]
Sun :  (292.061, -21.897)
Moon:  (175.657, 0.217)
age: 20.41 day

[Latitude/Longitude]
(20.82N, 137.88E)

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

---

For more information:
 http://maxi.riken.jp/alert/novae/7033849998/7033849998.htm

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