The thousand-pulsar-Array programme on MeerKAT VII : polarisation properties of pulsars in the Magellanic Clouds

S. Johnston; A. Parthasarathy; R. A. Main; J. P. Ridley; B. S. Koribalski; M. Bailes; S. J. Buchner; M. Geyer; A. Karastergiou; M .J. Keith; M. Kramer; M. Serylak; R. M. Shannon; R. Spiewak; V. V. Krishnan

doi:10.1093/mnras/stab3360

The thousand-pulsar-Array programme on MeerKAT VII : polarisation properties of pulsars in the Magellanic Clouds

S. Johnston, A. Parthasarathy, R. A. Main, J. P. Ridley, B. S. Koribalski, M. Bailes, S. J. Buchner, M. Geyer, A. Karastergiou, M .J. Keith, M. Kramer, M. Serylak, R. M. Shannon, R. Spiewak, V. V. Krishnan

Western Sydney University

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

The Magellanic Clouds are the only external galaxies known to host radio pulsars. The dispersion and rotation measures of pulsars in the Clouds can aid in understanding their structure, and studies of the pulsars themselves can point to potential differences between them and their Galactic counterparts. We use the high sensitivity of the MeerKAT telescope to observe 17 pulsars in the Small and Large Magellanic Clouds in addition to five foreground (Galactic) pulsars. We provide polarisation profiles for 18 of these pulsars, improved measurements of their dispersion and rotation measures, and derive the mean parallel magnetic field along the lines of sight. The results are broadly in agreement with expectations for the structure and strength of the magnetic field in the Large and Small Magellanic Clouds. The Magellanic Cloud pulsars have profiles which are narrower than expected from the period-width relationship and we show this is due to selection effects in pulsar surveys rather than any intrinsic difference between the population of Galactic and Magellanic objects.

Original language	English
Pages (from-to)	5209-5217
Number of pages	9
Journal	Monthly Notices of the Royal Astronomical Society
Volume	509
Issue number	4
DOIs	https://doi.org/10.1093/mnras/stab3360
Publication status	Published - 2022

Access to Document

10.1093/mnras/stab3360

Cite this

Johnston, S., Parthasarathy, A., Main, R. A., Ridley, J. P., Koribalski, B. S., Bailes, M., Buchner, S. J., Geyer, M., Karastergiou, A., Keith, M. . J., Kramer, M., Serylak, M., Shannon, R. M., Spiewak, R., & Krishnan, V. V. (2022). The thousand-pulsar-Array programme on MeerKAT VII : polarisation properties of pulsars in the Magellanic Clouds. Monthly Notices of the Royal Astronomical Society, 509(4), 5209-5217. https://doi.org/10.1093/mnras/stab3360

@article{7f2198fd44af47ea9c35a4c00e55b764,

title = "The thousand-pulsar-Array programme on MeerKAT VII : polarisation properties of pulsars in the Magellanic Clouds",

abstract = "The Magellanic Clouds are the only external galaxies known to host radio pulsars. The dispersion and rotation measures of pulsars in the Clouds can aid in understanding their structure, and studies of the pulsars themselves can point to potential differences between them and their Galactic counterparts. We use the high sensitivity of the MeerKAT telescope to observe 17 pulsars in the Small and Large Magellanic Clouds in addition to five foreground (Galactic) pulsars. We provide polarisation profiles for 18 of these pulsars, improved measurements of their dispersion and rotation measures, and derive the mean parallel magnetic field along the lines of sight. The results are broadly in agreement with expectations for the structure and strength of the magnetic field in the Large and Small Magellanic Clouds. The Magellanic Cloud pulsars have profiles which are narrower than expected from the period-width relationship and we show this is due to selection effects in pulsar surveys rather than any intrinsic difference between the population of Galactic and Magellanic objects.",

author = "S. Johnston and A. Parthasarathy and Main, {R. A.} and Ridley, {J. P.} and Koribalski, {B. S.} and M. Bailes and Buchner, {S. J.} and M. Geyer and A. Karastergiou and Keith, {M .J.} and M. Kramer and M. Serylak and Shannon, {R. M.} and R. Spiewak and Krishnan, {V. V.}",

year = "2022",

doi = "10.1093/mnras/stab3360",

language = "English",

volume = "509",

pages = "5209--5217",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "0035-8711",

publisher = "Oxford University Press",

number = "4",

}

Johnston, S, Parthasarathy, A, Main, RA, Ridley, JP, Koribalski, BS, Bailes, M, Buchner, SJ, Geyer, M, Karastergiou, A, Keith, MJ, Kramer, M, Serylak, M, Shannon, RM, Spiewak, R & Krishnan, VV 2022, 'The thousand-pulsar-Array programme on MeerKAT VII : polarisation properties of pulsars in the Magellanic Clouds', Monthly Notices of the Royal Astronomical Society, vol. 509, no. 4, pp. 5209-5217. https://doi.org/10.1093/mnras/stab3360

TY - JOUR

T1 - The thousand-pulsar-Array programme on MeerKAT VII : polarisation properties of pulsars in the Magellanic Clouds

AU - Johnston, S.

AU - Parthasarathy, A.

AU - Main, R. A.

AU - Ridley, J. P.

AU - Koribalski, B. S.

AU - Bailes, M.

AU - Buchner, S. J.

AU - Geyer, M.

AU - Karastergiou, A.

AU - Keith, M .J.

AU - Kramer, M.

AU - Serylak, M.

AU - Shannon, R. M.

AU - Spiewak, R.

AU - Krishnan, V. V.

PY - 2022

Y1 - 2022

N2 - The Magellanic Clouds are the only external galaxies known to host radio pulsars. The dispersion and rotation measures of pulsars in the Clouds can aid in understanding their structure, and studies of the pulsars themselves can point to potential differences between them and their Galactic counterparts. We use the high sensitivity of the MeerKAT telescope to observe 17 pulsars in the Small and Large Magellanic Clouds in addition to five foreground (Galactic) pulsars. We provide polarisation profiles for 18 of these pulsars, improved measurements of their dispersion and rotation measures, and derive the mean parallel magnetic field along the lines of sight. The results are broadly in agreement with expectations for the structure and strength of the magnetic field in the Large and Small Magellanic Clouds. The Magellanic Cloud pulsars have profiles which are narrower than expected from the period-width relationship and we show this is due to selection effects in pulsar surveys rather than any intrinsic difference between the population of Galactic and Magellanic objects.

AB - The Magellanic Clouds are the only external galaxies known to host radio pulsars. The dispersion and rotation measures of pulsars in the Clouds can aid in understanding their structure, and studies of the pulsars themselves can point to potential differences between them and their Galactic counterparts. We use the high sensitivity of the MeerKAT telescope to observe 17 pulsars in the Small and Large Magellanic Clouds in addition to five foreground (Galactic) pulsars. We provide polarisation profiles for 18 of these pulsars, improved measurements of their dispersion and rotation measures, and derive the mean parallel magnetic field along the lines of sight. The results are broadly in agreement with expectations for the structure and strength of the magnetic field in the Large and Small Magellanic Clouds. The Magellanic Cloud pulsars have profiles which are narrower than expected from the period-width relationship and we show this is due to selection effects in pulsar surveys rather than any intrinsic difference between the population of Galactic and Magellanic objects.

UR - https://hdl.handle.net/1959.7/uws:78548

U2 - 10.1093/mnras/stab3360

DO - 10.1093/mnras/stab3360

M3 - Article

SN - 0035-8711

VL - 509

SP - 5209

EP - 5217

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 4

ER -

The thousand-pulsar-Array programme on MeerKAT VII : polarisation properties of pulsars in the Magellanic Clouds

Abstract

Access to Document

Other files and links

Fingerprint

Cite this