No Pulsar Companion Around the Nearest Low Mass White Dwarf | Zendy

Tilemachos M. Athanasiadis | Zendy; N. K. Porayko | Zendy; John Antoniadis | Zendy; D. J. Champion | Zendy; O. Wucknitz | Zendy; B. Ciardi | Zendy; M. Hoeft | Zendy; M. Krämer | Zendy

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No Pulsar Companion Around the Nearest Low Mass White Dwarf

Author(s) -

Tilemachos M. Athanasiadis,

N. K. Porayko,

John Antoniadis,

D. J. Champion,

O. Wucknitz,

B. Ciardi,

M. Hoeft,

M. Krämer

Publication year - 2021

Publication title -

research notes of the aas

Language(s) - English

Resource type - Journals

ISSN - 2515-5172

DOI - 10.3847/2515-5172/ac4010

Subject(s) - pulsar , white dwarf , physics , astrophysics , astronomy , helium , stars , atomic physics

2MASS J050051.85−093054.9 is the closest known low-mass helium-core white dwarf in a binary system. We used three high-band international Low-Frequency Array stations to perform a targeted search for a pulsar companion, reaching sensitivities of ∼3 mJy for a 10 ms pulsar at a DM = 1 pc cm −3 . No pulsed signal was detected, confidently excluding the presence of a detectable radio pulsar in the system.

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