[X-ray-star:725] GRS 1747-312 or a new transient MAXI J1749-310

Wed Oct 2 09:49:12 JST 2019

A new outburst from GRS 1747-312 or a new transient MAXI J1749-310 was
detected (H. Negoro).

=====================
MAXI transient alert
2019-09-30 11:47:11 UT
=====================

[Ground Trigger ID]
ID          :  8756849998

[Count Weighted Position]
RA,Dec: (267.690, -31.290)
Galac.: (358.563,  -2.177)
Eclip.: (268.007,  -7.867)

[Triggered Criteria]

[Highest Significance]
DPTC  : 1253879183
UT    : 2019/09/30 11:47:11
on    : 1d (S-band)
sigma : 4.7

[Observed flux]
S :     61 +-    13 mCrab
L :     43 +-    15 mCrab
M :    105 +-    25 mCrab
H :    108 +-    78 mCrab

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.00     -1.0 (267.69, -31.29)  GRS 1747-312,SAXWFC J1750.8-3116.5
0.35  unknown (267.77, -30.95)  IGR J17511-3057
0.49  unknown (268.10, -31.63)  SAX J1752.3-3138,INTREF 865
0.67  unknown (267.79, -30.63)  XTE J1751-305,SAXWFC J1751.2-3037.7
0.84  unknown (267.35, -30.50)  IGR J17494-3030
1.07  unknown (266.58, -30.79)  IGR J17460-3047,IGR17460-3047
1.34      8.3 (266.56, -32.23)  H 1743-322,XTE J17464-3213
1.44     14.3 (266.86, -30.04)  1RXS J174725.6-300241,SLX 1744-300
1.48  unknown (266.86, -30.00)  SLX 1744-299
1.55  unknown (268.87, -32.48)  XTE J1755-324
1.92      0.4 (267.45, -33.20)  SLX 1746-331,RX J1749.8-3312
1.94  unknown (266.19, -29.85)  Swift J174444.9-295042
1.95  unknown (267.45, -29.35)  IGR J17498-2921
2.04    151.5 (266.52, -29.52)  2E 1742.9-2929,GC X-1
2.14      8.7 (265.98, -29.74)  1E 1740.7-2942,SAXWFC J1743.8-2945.1
2.25  unknown (267.60, -29.04)  SAX J1750.8-2900
2.28  unknown (265.04, -31.04)  AX J1740.1-3102,GRS 1737-31
2.32  unknown (266.21, -29.35)  KS 1741-293,AX J1744.8-2921
2.51  unknown (265.27, -29.88)  EXS 1737.9-2952
2.53    171.2 (266.42, -29.01)  Galactic Center Region
2.54    154.4 (266.76, -28.88)  SAX J1747.0-2853,1A 1743-288
2.63      9.6 (266.50, -28.87)  GRO J1744-28,SAXWFC J1744.5-2844.6
2.66  unknown (264.80, -30.34)  IGR J17391-3021,XTE J1739-302
2.68  unknown (266.26, -28.91)  CXOGCS J174502.2-285449
2.73  unknown (266.59, -28.73)  1E 1743.1-2843,2E 1743.1-2842
2.87      3.6 (267.02, -28.48)  XTE J1748-288,AXJ 1748.0-2829
2.95  unknown (267.41, -28.35)  IGR J17497-2821
2.97  unknown (264.39, -30.38)  IGR J17375-3022
3.02  unknown (269.67, -33.81)  H 1755-338,Ginga 1755-338
3.12  unknown (268.26, -28.21)  V5586 Sgr
3.17  unknown (267.38, -28.13)  Swift J1749.4-2807
3.31     12.1 (263.95, -30.47)  Terzan 1,XB 1732-304
3.46  unknown (268.56, -27.91)  AX J1754.2-2754
3.60     30.5 (263.61, -30.45)  MAXI J1735-304
3.65  unknown (264.98, -28.50)  XTE J1739-285
3.66      3.0 (263.84, -32.94)  IGR J17354-3255
3.68  unknown (263.38, -31.22)  GRS 1730-312,KS 1730-312
3.70  unknown (265.18, -28.30)  SLX 1737-282,2E 1737.5-2817
3.77  unknown (267.28, -27.54)  AX J1749.1-2733
3.83      4.5 (265.17, -28.15)  IGR J17407-2808
3.86  unknown (264.64, -28.48)  GX 359+2,4U 1735-28
3.96     75.4 (265.67, -27.75)  GRS 1739-278,SAXWFC J1742.7-2744.9
3.98     -0.3 (271.75, -29.41)  XTE J1807-294
4.02      5.8 (266.82, -27.34)  IGR J17473-2721
4.16      4.1 (271.04, -34.35)  1RXS J180408.9-342058
4.22     89.2 (263.35, -33.39)  H 1730-333,Rapid Burster
4.25  unknown (271.78, -33.78)  V5583 Sgr
4.27  unknown (271.86, -29.01)  V5585 Sgr
4.65      3.6 (267.27, -26.65)  GRO J1750-27,AX J1749.1-2639
4.71     85.8 (262.99, -33.83)  GX 354-0,4U 1728-34,Slow Burster
4.77    245.0 (266.98, -26.56)  GX 3+1,1RXS J174755.8-263352
4.87  unknown (267.06, -36.13)  1A 1744-361
4.99     25.2 (261.89, -30.80)  Terzan 2,4U 1724-307,ESO 454-SC 029

[Sun/Moon (RA, Dec)]
Sun :  (186.208, -2.686)
Moon:  (210.538, -7.335)
age: 1.43 day

[Latitude/Longitude]
(41.41N, 149.04E)

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

---

For more information:
 http://maxi.riken.jp/alert/novae/8756849998/8756849998.htm

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