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LSXPS J201756.6+404254

[Spectral/flux information | Temporal information | External catalogue matches | Detections | Non-detections ]

Total | Soft | Medium | Hard | Exposure

Postage stamp image of LSXPS J201756.6+404254

This image is 160 pixels (=6.3′ to a side).
LSXPS J201756.6+404254 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 36″ away.

Detection flag:
Poor
Total exposure:
80 ks
RA (J2000):
20h 17m 56.60s=304.4859°
Dec (J2000):
+40° 42′ 54.2″=+40.7151°
Err90:
4.6′′(XRT+2MASS)
l:
+78° 03′ 58.0″=78.0661°
b:
+02° 47′ 53.8″=+2.7983°
Mean count rate
2.8 (+1.9, -1.8) ×10-4 ct s-1
Galactic NH
1.1×1022 cm-2
HRs
HR1=-0.20 (+0.27, -0.28)
HR2=-0.42 (+0.15, -0.58)
Observed between:
2006-03-26 08:38 and 2025-02-24 15:37
Present in:
25 datasets (total)
1 datasets (with blind detections)
1 datasets (count-rate detections)
External catalogue matches:
5
Search Vizier | Simbad.
LSXPS ID
1030500
Nearest neighbour
LSXPS J201756.3+404218 — 36″ away
Nearest 'OK' neighbour
LSXPS J201756.3+404218 — 36″ away


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Spectral / Flux information

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Fluxes:

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All fluxes are in erg cm-2 s-1 over the 0.3—10 keV band.

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Temporal Information

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Band Total
(0.3—10 keV)		Soft
(0.3—1 keV)		Medium
(1—2 keV)		Hard
(2—10 keV)
Mean rate
(ct s-1)		2.8 (+1.9, -1.8) ×10-41.9 (+1.4, -1.2) ×10-41.48 (+1.11, -0.99) ×10-42.7 (+8.5, -2.7) ×10-5
Peak rate
(ct s-1)		2.8 (+1.9, -1.8) ×10-45.4 (+3.2, -2.4) ×10-31.48 (+1.11, -0.99) ×10-42.7 (+8.5, -2.7) ×10-5
Detected?Blind: No
Retrospective: No		YesBlind: No
Retrospective: No		Blind: No
Retrospective: No
3 σ UL
(ct s-1)		< 9.06× 10-4N/A< 5.34× 10-4< 3.46× 10-4
Counts
detected		96483117
BG
counts		82.1938.8023.7815.69
Corr
fact		1.651.651.651.65
Pconst,χ3.15×10-2 (obs)
0.40 (snapshot)		3.15×10-2 (obs)
0.51 (snapshot)		3.15×10-2 (obs)
0.22 (snapshot)		3.15×10-2 (obs)
0.52 (snapshot)

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One bin per snapshot

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External Catalogue matches

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Detections

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Non-detections

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LSXPS J201756.6+404254 — , per- binning.