[X-ray-star:928] 4U 1954+319

[maxiweb at maxi.riken.jp]

MAXI detects possible X-ray outburst from 4U 1954+319. (W.Iwakiri)

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MAXI transient alert
2023-11-26 14:50:53 UT
=====================

[Ground Trigger ID]
ID          :  0274473472

[Count Weighted Position]
RA,Dec: (298.426,  31.757)
Galac.: ( 67.887,   2.112)
Eclip.: (310.333,  51.291)

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

[Highest Significance]
DPTC  : 1385045429
UT    : 2023/11/26 14:50:53
on    : 4d (S-band)
sigma : 1.8

[Observed flux]
S :     27 +-    15 mCrab
L :      2 +-    15 mCrab
M :     51 +-    27 mCrab
H :    -57 +-   103 mCrab

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.54     18.6 (298.93,  32.10)  4U 1954+319,1RXS J195541.5+320546
1.48  unknown (300.09,  32.19)  Swift J2000.6+3210
1.78     -0.5 (297.40,  30.21)  KS 1947+300,b 367
3.52  unknown (299.87,  35.06)  swift-#1197507!GCN
3.55  unknown (299.83,  35.10)  swift-#1197506!GCN
3.58    551.1 (299.59,  35.20)  Cyg X-1,V1357 Cyg
4.73     -6.3 (296.42,  27.36)  XTE J1946+274,SAXWFC J1945.7+2721.4

[Sun/Moon (RA, Dec)]
Sun :  (241.740, -20.907)
Moon:  (51.017, 21.290)
age: 13.50 day

[Latitude/Longitude]
(38.49N, 4.93W)


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For more information:
 http://maxi.riken.jp/alert/novae/0274473472/0274473472.htm

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