[X-ray-star:917] Terzan 1

[maxiweb at maxi.riken.jp]

Terzan 1 is in the brightest state in 13 years (H. Negoro).

=====================
MAXI transient alert
2023-07-07 17:49:15 UT
=====================

[Ground Trigger ID]
ID          :  0132574446

[Count Weighted Position]
RA,Dec: (263.911, -30.623)
Galac.: (357.428,   0.931)
Eclip.: (264.720,  -7.295)

[Triggered Criteria]
S  :  4d
M  :  4d
L  :  4d

[Highest Significance]
DPTC  : 1372787341
UT    : 2023/07/07 17:49:15
on    : 4d (Low-band)
sigma : 4.2

[Observed flux]
S :    104 +-    24 mCrab
L :    173 +-    41 mCrab
M :    148 +-    42 mCrab
H :    380 +-   141 mCrab

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.16     64.2 (263.95, -30.47)  Terzan 1,XB 1732-304
0.31     64.7 (263.61, -30.45)  MAXI J1735-304
0.48  unknown (264.39, -30.38)  IGR J17375-3022
0.75  unknown (263.38, -31.22)  GRS 1730-312,KS 1730-312
0.81  unknown (264.80, -30.34)  XTE J1739-302,IGR J17391-3021
1.05  unknown (265.04, -31.04)  AX J1740.1-3102,GRS 1737-31
1.24  unknown (264.88, -29.70)  GRS 1736-297,RX J1739.4-2942
1.39  unknown (265.27, -29.88)  EXS 1737.9-2952
1.75     57.7 (261.89, -30.80)  Terzan 2,4U 1724-307,ESO 454-SC 029
1.99  unknown (262.12, -29.37)  IGR J17285-2922
1.99  unknown (265.98, -29.74)  1E 1740.7-2942,SAXWFC J1743.8-2945.1
2.11  unknown (266.19, -29.85)  Swift J174444.9-295042
2.24  unknown (264.64, -28.48)  GX 359+2,4U 1735-28
2.30  unknown (266.58, -30.79)  IGR J17460-3047,IGR17460-3047
2.31  unknown (263.84, -32.94)  IGR J17354-3255
2.32     24.3 (264.98, -28.50)  XTE J1739-285
2.36  unknown (266.21, -29.35)  KS 1741-293,AX J1744.8-2921
2.52     90.7 (266.52, -29.52)  2E 1742.9-2929,GC X-1
2.57  unknown (265.18, -28.30)  SLX 1737-282,2E 1737.5-2817
2.61  unknown (266.86, -30.04)  1RXS J174725.6-300241,SLX 1744-300
2.62  unknown (266.86, -30.00)  SLX 1744-299
2.66  unknown (266.26, -28.91)  CXOGCS J174502.2-285449
2.67      5.7 (261.63, -28.83)  V2674 Oph,Nova Oph 2010 No. 2
2.71     96.9 (266.42, -29.01)  Galactic Center Region
2.71  unknown (265.17, -28.15)  IGR J17407-2808
2.78      6.1 (266.56, -32.23)  H 1743-322,XTE J17464-3213
2.81     -2.4 (263.35, -33.39)  H 1730-333,Rapid Burster
2.85  unknown (266.50, -28.87)  GRO J1744-28,SAXWFC J1744.5-2844.6
2.96  unknown (267.35, -30.50)  IGR J17494-3030
3.00  unknown (266.59, -28.73)  1E 1743.1-2843,2E 1743.1-2842
3.02     96.5 (266.76, -28.88)  SAX J1747.0-2853,1A 1743-288
3.18  unknown (263.21, -27.50)  IGR J17329-2731
3.19  unknown (261.36, -32.95)  IGR J17254-3257
3.26     22.4 (265.67, -27.75)  GRS 1739-278,SAXWFC J1742.7-2744.9
3.30     75.6 (262.99, -33.83)  GX 354-0,4U 1728-34,Slow Burster
3.31     19.8 (267.69, -31.29)  GRS 1747-312,SAXWFC J1750.8-3116.5
3.32  unknown (267.45, -29.35)  IGR J17498-2921
3.34  unknown (267.77, -30.95)  IGR J17511-3057
3.34  unknown (267.79, -30.63)  XTE J1751-305,SAXWFC J1751.2-3037.7
3.40  unknown (260.02, -31.28)  IGR J17200-3116
3.45  unknown (267.02, -28.48)  XTE J1748-288,AXJ 1748.0-2829
3.53  unknown (260.00, -31.75)  XTE J1720-318,V1228 Sco
3.57  unknown (267.60, -29.04)  SAX J1750.8-2900
3.67      7.7 (264.57, -26.99)  SLX 1735-269,1RXS J173817.0-265940
3.72  unknown (268.10, -31.63)  SAX J1752.3-3138,INTREF 865
3.80  unknown (267.41, -28.35)  IGR J17497-2821
3.87  unknown (259.82, -29.07)  XTE J1719-291
3.92  unknown (259.70, -32.18)  1H 1715-321
3.92  unknown (267.38, -28.13)  Swift J1749.4-2807
3.96     -3.0 (267.45, -33.20)  SLX 1746-331,RX J1749.8-3312
4.15  unknown (266.82, -27.34)  IGR J17473-2721
4.19  unknown (262.50, -34.64)  SWIFT J1729.9-3437
4.25     -6.7 (259.81, -28.33)  IGR J17191-2821
4.26  unknown (267.28, -27.54)  AX J1749.1-2733
4.49  unknown (268.26, -28.21)  V5586 Sgr
4.55  unknown (263.56, -26.09)  1RXS J173413.0-260527,KS 1731-260
4.61  unknown (268.87, -32.48)  XTE J1755-324
4.71  unknown (266.29, -26.40)  Swift J1745.1-2624
4.87    198.0 (266.98, -26.56)  GX 3+1,1RXS J174755.8-263352
4.88  unknown (268.56, -27.91)  AX J1754.2-2754
4.90  unknown (266.04, -26.10)  V5581 Sgr
4.95  unknown (267.27, -26.65)  GRO J1750-27,AX J1749.1-2639

[Sun/Moon (RA, Dec)]
Sun :  (106.331, 22.596)
Moon:  (347.119, -9.471)
age: 19.27 day

[Latitude/Longitude]
(14.31S, 22.26E)


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/0132574446/0132574446.htm

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