2016MNRAS.458L.114M

Query : 2016MNRAS.458L.114M

2016MNRAS.458L.114M - Mon. Not. R. Astron. Soc., 458, L114-L117 (2016/May-1)

The featureless and non-variable optical spectral energy distribution of AXP 4U 0142+61.

MUNOZ-DARIAS T., DE UGARTE POSTIGO A. and CASARES J.

Abstract (from CDS):

We present GTC-10.4 m spectroscopy and multiband photometry of the faint (r ∼ 26) optical counterpart of the anomalous X-ray pulsar 4U 0142+61. The 5000-9000 Å spectrum - the first obtained for a magnetar - is featureless, allowing us to set an equivalent width upper limit EWg, r, i, z Sloan Digital Sky Survey (SDSS) bands obtained at different epochs over 12 yr shows no significant variability from minutes-to-years time-scales. The photometry has been calibrated, for the first time, against the SDSS itself, resulting in solid upper limits to variability ranging from ∼0.2 mag in i (over 12 yr) to 0.05 mag in z (over 1.5 yr). The shape of the optical + near-infrared (literature values) spectral energy distribution is not well constrained due to the high extinction along the line of sight. Using a Markov Chain Monte Carlo analysis, we find that it can be described by a power law with a spectral index β=-0.7±0.5 and E(B - V)=1.5±0.4. We also discuss on the implications of adding hard X-ray flux values from literature to the spectral fitting.

Journal keyword(s): stars: magnetars - stars: neutron - pulsars: individual: 4U 0142+61

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	PSR J0146+6145	Psr	01 46 22.21	+61 45 03.8		28.100	25.620			~	613	0

Query : 2016MNRAS.458L.114M

Basic data :

PSR J0146+6145 -- Pulsar

X (2022MNRAS,3A,...), Psr (2010A&A,PSR), Rad (MITG)

01 46 22.21 +61 45 03.8 (X-ray) [ 700 700 90 ] C 2012ApJ...756...27L

01 42 53.92 +61 30 04.5 [ 700 700 90 ]

129.38357 -00.43066 [ 700 700 90 ]

B 28.100 [~] E ~

V 25.620 [~] E ~

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`PSR J0146+6145`	`PBC J0146.3+6144`	`SWIFT J0146.5+6144`	`4U 0142+61`
`3A 0142+614`	`PSR J0146+61`	`2U 0143+61`	`2XMM J014622.2+614503`
`1ES 0142+61.4`	`1RXS J014621.5+614509`	`3U 0143+61`	`1XRS 01429+614`
`EXO 0142+614`	`2S 0142+614`	`4U 0142+62`	`[BM83] X0142+614`
`1H 0132+607`	`SRGA J014622.4+614501`	`4U 0142+615`	`[HVK2000] A`
`MITG J0146+6145`	`SWIFT J0146.0+6143`	`4U 0142+614`	`[KRL2007b] 17`

References (613 between 1850 and 2026) (Total 613)
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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Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : PSR J0146+6145

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MITG J0146+6145 1RXS J014621.5+614509

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