2021ApJ...909..154T

Query : 2021ApJ...909..154T

2021ApJ...909..154T - Astrophys. J., 909, 154-154 (2021/March-2)

X-ray pulsar XTE J1858+034 discovery of the cyclotron line and the revised optical identification.

TSYGANKOV S.S., LUTOVINOV A.A., MOLKOV S.V., DJUPVIK A.A., KARASEV D.I., DOROSHENKO V., MUSHTUKOV A.A., MALACARIA C., KRETSCHMAR P. and POUTANEN J.

Abstract (from CDS):

We present the results of a detailed investigation of the poorly studied X-ray pulsar (XRP) XTE J1858+034 based on the data obtained with the NuSTAR observatory during the outburst of the source in 2019. The spectral analysis resulted in the discovery of a cyclotron absorption feature in the source spectrum at ∼48 keV in both the pulse phase-averaged and resolved spectra. Accurate X-ray localization of the source using the NuSTAR and Chandra observatories allowed us to accurately determine the position of the X-ray source and identify the optical companion of the pulsar. The analysis of the counterpart properties suggested that the system is likely a symbiotic binary hosting an XRP and a late-type companion star of the K-M classes rather than a Be X-ray binary as previously suggested.

Journal keyword(s): Accretion - Stellar accretion disks - Magnetic fields - Binary pulsars - Neutron stars - High mass x-ray binary stars - X-ray binary stars

Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	XTE J1858+034	HXB	18 58 35.6252850353	+03 26 10.535956648						B?e	94	0

Query : 2021ApJ...909..154T

Basic data :

XTE J1858+034 -- High Mass X-ray Binary

X (2022MNRAS,PBC,...), HXB (2013ApJS), Psr (2007ApJS), Be* (2007ApJS), * (Gaia), gam (INTREF), NIR (2MASS)

18 58 35.6252850353 +03 26 10.535956648 (Optical) [ 0.0542 0.0548 90 ] A 2020yCat.1350....0G

18 56 05.6311218052 +03 22 02.550783570 [ 0.0542 0.0548 90 ]

036.8054111059142 -00.0230932132427 [ 0.0542 0.0548 90 ]

18.123 -3.751 [0.063 0.058 90] A 2020yCat.1350....0G

4.8731 [0.0616] A 2020yCat.1350....0G

B?e E 2005A&A...440..637R

G 16.706043 [0.003050] C 2022yCat.1355....0G

J 13.890 [0.024] C 2003yCat.2246....0C

H 13.246 [0.022] C 2003yCat.2246....0C

K 13.026 [0.030] C 2003yCat.2246....0C

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`2MASS J18583562+0326105`	`PBC J1858.6+0324`	`SWIFT J1858.8+0322`	`[KRL2007b] 348`
`INTREF 953`	`SWIFT J1858.9+0329`	`XTE J1858+034`	`Gaia DR3 4280844279597417984`

References (94 between 1850 and 2026) (Total 94)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : XTE J1858+034

Link by name to the catalogue in VizieR :

2MASS J18583562+0326105 Gaia DR3 4280844279597417984

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