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Swift J025424.5-613546

Classification: Confirmed transient

Total | Soft | Medium | Hard | Exposure

Postage stamp image of Swift J025424.5-613546

This image is 160 pixels (=6.3′ to a side).
Swift J025424.5-613546 is indicated by the cross-hairs.

Detection flag:: Good
RA (J2000):: 02^h 54^m 25.06^s=43.6044°
Dec (J2000):: -61° 35′ 47.7″=-61.5966°
Err₉₀:: 6.7′′
l:: +280° 45′ 02.1″=280.7506°
b:: -49° 54′ 05.5″=-49.9015°
LSXPS_ID:: LSXPS J025425.1-613546.
First detected:: 2024-07-05 01:26:23
(Obs 03112529115: not yet in LSXPS)
Discovery time: 2024-07-05 15:38:39
Peak rate: 4.9 (+3.8, -2.5) ×10^-3 (0.3 — 10 keV)
Historical upper limits: 1.77 ×10^-3 (0.3 — 10 keV; 3-σ)
(from LSXPS [10000029340]) [Show all limits].
LSXPS:: 1.77 ×10^-3 ct/sec (0.3—10 keV)
(10000029340)
XMM:
Canned: 5.52 ×10^-2 ct/sec (0.3—10 keV)
Disc spec: 6.26 ×10^-2 ct/sec (0.3—10 keV)
Full spec: 6.01 ×10^-2 ct/sec (0.3—10 keV)
Native: 0.86 ct/sec (native, 0.2—12 keV)
Mode / filter: SLEW, pn, Medium
ROSAT:
Canned: 3.46 ×10^-2 ct/sec (0.3—2 keV)
0.00 ×10^-1 ct/sec (0.3—10 keV)
Disc spec: 3.93 ×10^-2 ct/sec (0.3—2 keV)
4.65 ×10^-2 ct/sec (0.3—10 keV)
Full spec: 4.13 ×10^-2 ct/sec (0.3—2 keV)
5.61 ×10^-2 ct/sec (0.3—10 keV)
Native: 7.52 ×10^-2 ct/sec (native, 0.2—2 keV)
Outburst significance: 1.23 σ
Search 5-σ radius: SIMBAD |Vizier.
XRT Team comments:: None

Light curve (0.3 — 10 keV)

GRB binning | ObsID binning | Snapshot binning.

Show plot axis controls or click to zoom [more].

Spectrum - discovery observation only

Download tar file

Discovery spectrum of Swift J025424.5-613546

N_H	5.6 (+21.4, -5.6) × 10²¹ cm^-2
z of absorber	0
Photon index	3.8 (+13.5, -3.8)
Flux (0.3-10 keV) (Observed)	3.2 (+19.4, -2.2) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.0 (+117.9, -2.7) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	2.51 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.30 × 10^-10 erg cm^-2 ct^-1
W-stat What's this?(dof)	0.87 (3)
Spectrum exposure	5.5 ks

Spectrum - all available data

Download tar file

Discovery spectrum of Swift J025424.5-613546

N_H	1.6 (+3.2, -1.6) × 10²¹ cm^-2
z of absorber	0
Photon index	2.25 (+1.13, -0.83)
Flux (0.3-10 keV) (Observed)	3.5 (+2.2, -1.3) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.2 (+7.9, -1.6) × 10^-14 erg cm^-2 s^-1
Counts to flux (obs)	3.13 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.60 × 10^-11 erg cm^-2 ct^-1
W-stat What's this?(dof)	31.27 (50)
Spectrum exposure	63.0 ks

Data for your light curve

Swift J025424.5-613546 — binning.