[X-ray-star:254] Granat 1741.9-2853 or unknown

Wed Jan 22 00:17:26 JST 2014

MAXI has detected hard X-ray enhancement from the Galactic center
region, possibly Granat 1741.9-2853. (H. Negoro)

=====================
MAXI transient alert
2014-01-21 07:38:10 UT
=====================

[Ground Trigger ID]
ID          :  6678899998

[Count Weighted Position]
RA,Dec: (266.417, -29.008)
Galac.: (359.950,  -0.056)
Eclip.: (266.852,  -5.608)

[Triggered Criteria]

[Highest Significance]
DPTC  : 1074325102
UT    : 2014/01/21 07:38:10
on    : 4d (S-band)
sigma : -4.2

[Observed flux]
S :   -127 +-    30 mCrab
L :   -169 +-    37 mCrab
M :   -141 +-    53 mCrab
H :    194 +-   121 mCrab

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.00  unknown (266.42, -29.01)  Galactic Center Region
0.16      9.6 (266.50, -28.87)  GRO J1744-28,SAXWFC J1744.5-2844.6
0.17  unknown (266.26, -28.91)  CXOGCS J174502.2-285449,Granat 1741.9-2853
0.32  unknown (266.59, -28.73)  1E 1743.1-2843,2E 1743.1-2842
0.33  unknown (266.76, -28.88)  SAX J1747.0-2853,1A 1743-288
0.39  unknown (266.21, -29.35)  KS 1741-293,AX J1744.8-2921,M1741-293
0.52     15.9 (266.52, -29.52)  2E 1742.9-2929,GC X-1
0.75      3.6 (267.02, -28.48)  XTE J1748-288,AXJ 1748.0-2829
0.83      8.7 (265.98, -29.74)  1E 1740.7-2942,SAXWFC J1743.8-2945.1
0.86  unknown (266.19, -29.85)  Swift J174444.9-295042
0.96  unknown (267.45, -29.35)  IGR J17498-2921
1.03  unknown (267.60, -29.04)  SAX J1750.8-2900
1.06  unknown (266.86, -30.00)  SLX 1744-299
1.09  unknown (267.41, -28.35)  IGR J17497-2821
1.10     14.3 (266.86, -30.04)  1RXS J174725.6-300241,SLX 1744-300
1.22  unknown (267.38, -28.13)  Swift J1749.4-2807
1.30  unknown (265.18, -28.30)  SLX 1737-282,2E 1737.5-2817
1.32  unknown (265.27, -29.88)  EXS 1737.9-2952
1.36  unknown (264.98, -28.50)  XTE J1739-285
1.39      4.5 (265.17, -28.15)  IGR J17407-2808
1.42     16.2 (265.67, -27.75)  GRS 1739-278,SAXWFC J1742.7-2744.9
1.64  unknown (264.64, -28.48)  GX 359+2,4U 1735-28
1.65  unknown (267.28, -27.54)  AX J1749.1-2733
1.70      5.8 (266.82, -27.34)  IGR J17473-2721
1.70  unknown (267.35, -30.50)  IGR J17494-3030
1.79  unknown (266.58, -30.79)  IGR J17460-3047,IGR17460-3047
1.81  unknown (268.26, -28.21)  V5586 Sgr
1.94  unknown (264.80, -30.34)  IGR J17391-3021,XTE J1739-302
2.01  unknown (267.79, -30.63)  XTE J1751-305,SAXWFC J1751.2-3037.7
2.18  unknown (268.56, -27.91)  AX J1754.2-2754
2.23  unknown (264.39, -30.38)  IGR J17375-3022
2.27  unknown (267.77, -30.95)  IGR J17511-3057
2.36  unknown (265.04, -31.04)  AX J1740.1-3102,GRS 1737-31
2.48      3.6 (267.27, -26.65)  GRO J1750-27,AX J1749.1-2639
2.50    284.9 (266.98, -26.56)  GX 3+1,1RXS J174755.8-263352
2.54      5.1 (267.69, -31.29)  GRS 1747-312,SAXWFC J1750.8-3116.5
2.59     10.6 (264.57, -26.99)  SLX 1735-269, 1RXS J173817.0-265940
2.59  unknown (263.95, -30.47)  Terzan 1,XB 1732-304
2.61  unknown (266.29, -26.40)  Swift J1745.1-2624
2.71  unknown (264.12, -27.20)  IGR J17364-2711
2.83  unknown (263.61, -30.45)  MAXI J1735-304
2.93  unknown (266.04, -26.10)  V5581 Sgr
3.00  unknown (268.10, -31.63)  SAX J1752.3-3138,INTREF 865
3.23     29.8 (266.56, -32.23)  H 1743-322,XTE J17464-3213
3.30  unknown (268.61, -26.33)  IGR J17544-2619,1RXS J175428.3-262035
3.43  unknown (263.38, -31.22)  GRS 1730-312,KS 1730-312
3.72  unknown (268.43, -25.74)  Swift J1753.7-2544
3.76  unknown (262.12, -29.37)  IGR J17285-2922
3.87     43.2 (263.56, -26.09)  1RXS J173413.0-260527,KS 1731-260
4.06  unknown (268.87, -32.48)  XTE J1755-324
4.18      3.9 (267.23, -24.89)  Terzan 5, EXO 1745-248, IGR J17480-2446
4.19  unknown (261.63, -28.83)  V2674 Oph,Nova Oph 2010 No. 2
4.29      5.8 (267.45, -33.20)  SLX 1746-331,RX J1749.8-3312
4.32     23.4 (261.89, -30.80)  Terzan 2,4U 1724-307,ESO 454-SC 029,4U 1722-30
4.51      3.0 (263.84, -32.94)  IGR J17354-3255
4.64      4.2 (269.24, -25.11)  Swift J1756.9-2508
4.67  unknown (271.75, -29.41)  XTE J1807-294
4.75     21.2 (270.30, -25.74)  GRS 1758-258,1RXS J180112.6-254435
4.76  unknown (271.86, -29.01)  V5585 Sgr

[Sun/Moon (RA, Dec)]
Sun :  (303.210, -19.943)
Moon:  (176.252, -1.561)
age: 19.93 day

[Latitude/Longitude]
(28.50S, 153.01W)

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

---

For more information:
 http://maxi.riken.jp/alert/novae/6678899998/6678899998.htm

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