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Swift J001159.1+522440

Classification: Confirmed transient

Total | Soft | Medium | Hard | Exposure

Postage stamp image of Swift J001159.1+522440

This image is 160 pixels (=6.3′ to a side).
Swift J001159.1+522440 is indicated by the cross-hairs.

Detection flag:: Good
RA (J2000):: 00^h 11^m 58.36^s=2.9932°
Dec (J2000):: +52° 24′ 44.0″=+52.4122°
Err₉₀:: 4.2′′
l:: +116° 50′ 22.9″=116.8397°
b:: -09° 59′ 31.4″=-9.9921°
LSXPS_ID:: LSXPS J001158.3+522444.
First detected:: 2025-03-28 00:02:45
Obs 00046868005
Discovery time: 2025-03-28 14:26:52
Peak rate: 8.6 (+3.1, -2.5) ×10^-3 (0.3 — 10 keV)
Historical upper limits: 5.80 ×10^-3 (0.3 — 10 keV; 3-σ)
(from LSXPS [10000015770]) [Show all limits].
LSXPS:: 5.80 ×10^-3 ct/sec (0.3—10 keV)
(10000015770)
XMM:
Canned: 0.13 ct/sec (0.3—10 keV)
Disc spec: 0.14 ct/sec (0.3—10 keV)
Full spec: 0.17 ct/sec (0.3—10 keV)
Native: 2.03 ct/sec (native, 0.2—12 keV)
Mode / filter: SLEW, pn, Medium
ROSAT:
Canned: 1.30 ×10^-2 ct/sec (0.3—2 keV)
1.65 ×10^-2 ct/sec (0.3—10 keV)
Disc spec: 1.45 ×10^-2 ct/sec (0.3—2 keV)
2.50 ×10^-2 ct/sec (0.3—10 keV)
Full spec: 1.60 ×10^-2 ct/sec (0.3—2 keV)
2.88 ×10^-2 ct/sec (0.3—10 keV)
Native: 2.82 ×10^-2 ct/sec (native, 0.2—2 keV)
Outburst significance: 1.09 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 J001159.1+522440

N_H	3 (+57, -3) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.3 (+0.7, -0.4)
Flux (0.3-10 keV) (Observed)	3.1 (+1.4, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.22 (+1.38, -0.91) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.76 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.90 × 10^-11 erg cm^-2 ct^-1
W-stat What's this?(dof)	52.46 (56)
Spectrum exposure	14.2 ks

Spectrum - all available data

Download tar file

Discovery spectrum of Swift J001159.1+522440

N_H	5 (+8, -5) × 10²¹ cm^-2
z of absorber	0
Photon index	1.9 (+0.9, -0.8)
Flux (0.3-10 keV) (Observed)	2.76 (+1.22, -0.80) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.4 (+5.9, -1.3) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.12 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.60 × 10^-11 erg cm^-2 ct^-1
W-stat What's this?(dof)	84.92 (90)
Spectrum exposure	21.2 ks

Data for your light curve

Swift J001159.1+522440 — binning.