Discovery of two promising isolated neutron star candidates in the SRG/eROSITA All-Sky Survey

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Volume 674 (June 2023)

A&A, 674 (2023) A155

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Table 1.

X-ray and optical observations of J0657 and J1317.

Target	Telescope	Date of	Cts ^(a)	T_exp^(b)
		Observation		[s]
J0657	eROSITA	2020-04-11	21	126
J0657	eROSITA	2020-10-14/15	19	130
J0657	eROSITA	2021-04-10/11	30	157
J0657	eROSITA	2021-10-12/13	26	185

J1317	eROSITA	2020-01-19/20/21	107	353
J1317	eROSITA	2020-07-21/22/23	104	345
J1317	eROSITA	2021-01-15/16	75	222
J1317	eROSITA	2021-07-23/24	70	230
J1317	eROSITA	2022-01-21/22	62	247

J0657	LBT	2021-12-05		400
J0657	LBT	2022-04-01		400

J1317	SALT	2022-05-26		2400

Notes. During the observations eROSITA was operated in SURVEY mode.

^(a)

Number of detected counts in the 0.2–5.0 keV band.

^(b)

The given X-ray exposure times do not account for vignetting, but state the CCD live time only.

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