NOVA ID=9250523913

An intensive pulse (or burst) from 4U 1538-52

Alert Mail
[Ground Trigger ID]
ID          :  9250523913

[Count Weighted Position]
RA,Dec: (236.278, -52.538)
Galac.: (327.662,   1.783)
Eclip.: (246.589, -31.805)

[Triggered Criteria]
S  :  3s, 10s, 30s, 1scan, 4orb
M  :  3s, 10s, 30s, 1scan, 4orb

[Highest Significance]
DPTC  : 1296573534
UT    : 2021/02/05 15:18:38
on    : 30s (S-band)
sigma : 7.9

[Observed flux]
S :    127 +-    16 mCrab ( 3-10keV)
L :     57 +-    15 mCrab ( 2- 4keV)
M :    203 +-    29 mCrab ( 4-10keV)
H :    169 +-   119 mCrab (10-20keV)

nearby(r<5deg) object
=====================
dist  flux  (RA, Dec)        name
[deg][mCrab]  [deg]
=====================
0.44     12.6 (235.60, -52.39)  4U 1538-52,QV Nor
1.97     21.4 (237.72, -54.31)  1E 1547.0-5408
2.66     20.1 (239.45, -54.41)  H 1553-542,2S 1553-542
3.88     -1.2 (235.82, -56.41)  MAXI J1543-564
4.03      0.6 (237.75, -56.48)  XTE J1550-564,V381 Nor
4.18    -11.8 (236.01, -56.71)  XTE J1543-568
4.20     -2.0 (243.18, -52.42)  4U 1608-52,H 1608-522,QX Nor
4.88     -9.1 (236.79, -47.67)  4U 1543-475,IL Lup
4.90     -5.4 (233.83, -57.23)  MAXI J1535-571

[Sun/Moon (RA, Dec)]
Sun :  (319.213, -15.817)
Sun dist:  73.2
Moon:  (236.701, -18.172)
age: 23.09 day

[Latitude/Longitude]
(25.11S, 109.54E)


Images
Lightcurve
lc
Image
ALL LOW (2 - 4 keV) MED (4 - 10 keV) HIGH (10 - 20 keV)
image image image image
Spectrum
spectrum
Past Variability
Nomaxitime (ut)Imagelc
StartEnd
1 665847800.957
(2021-02-05T13:43:15)
665848032.329
(2021-02-05T13:47:07)
link to img link to lc
2 665853359.014
(2021-02-05T15:15:54)
665853612.884
(2021-02-05T15:20:07)
link to img link to lc
3 665858943.257
(2021-02-05T16:48:58)
665859182.231
(2021-02-05T16:52:57)
link to img link to lc
4 665864516.506
(2021-02-05T18:21:51)
665864752.751
(2021-02-05T18:25:47)
link to img link to lc
5 665870093.303
(2021-02-05T19:54:48)
665870272.432
(2021-02-05T19:57:47)
link to img link to lc
6 665875670.015
(2021-02-05T21:27:45)
665875802.187
(2021-02-05T21:29:57)
link to img link to lc
7 665881247.398
(2021-02-05T23:00:42)
665881322.351
(2021-02-05T23:01:57)
link to img link to lc
Localization Error Box
loc error box