2MTF - II. new parkes 21-cm observations of 303 southern galaxies

Tao Hong; Lister Staveley-Smith; Karen L. Masters; Christopher M. Springob; Lucas M. Macri; Bärbel S. Koribalski; D. Heath Jones; Tom H. Jarrett; Aidan C. Crook

doi:10.1093/mnras/stt555

2MTF - II. new parkes 21-cm observations of 303 southern galaxies

Tao Hong^*, Lister Staveley-Smith, Karen L. Masters, Christopher M. Springob, Lucas M. Macri, Bärbel S. Koribalski, D. Heath Jones, Tom H. Jarrett, Aidan C. Crook

^*Corresponding author for this work

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

21 Citations (Scopus)

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Abstract

We present new 21-cm neutral hydrogen (H I) observations of spiral galaxies for the 2MASS Tully-Fisher (2MTF) survey. Using the 64-m Parkes radio telescope multibeam system we obtain 152 high signal-to-noise ratio H I spectra from which we extract 148 high-accuracy (<5 per cent error) velocity widths and derive reliable rotation velocities. The observed sample consists of 303 southern (δ < -40°) galaxies selected from the 2MASS Redshift Survey with K_s < 11.25 mag, cz<10 000 km s^-1 and axis ratio b/a<0.5. The H _I observations reported in this paper will be combined with new H I spectra from the Green Bank and Arecibo telescopes, together producing the most uniform Tully-Fisher survey ever constructed (in terms of sky coverage). In particular, due to its near-infrared selection, 2MTF will be significantly more complete at low Galactic latitude (|b| < 15° and will provide a more reliable map of peculiar velocities in the local Universe.

Original language	English
Pages (from-to)	1178-1188
Number of pages	11
Journal	Monthly Notices of the Royal Astronomical Society
Volume	432
Issue number	2
DOIs	https://doi.org/10.1093/mnras/stt555
Publication status	Published - Jun 2013
Externally published	Yes

Bibliographical note

Copyright 2013 The Authors. First published in Monthly Notices of the Royal Astronomical Society, 432(2), pp.1178-1188. The original publication is available at http://doi.org/10.1093/mnras/stt555, published by Oxford University Press on behalf of the Royal Astronomical Society. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

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@article{04f28b476b8d43aabcd68f3aec70bfc5,

title = "2MTF - II. new parkes 21-cm observations of 303 southern galaxies",

abstract = "We present new 21-cm neutral hydrogen (H I) observations of spiral galaxies for the 2MASS Tully-Fisher (2MTF) survey. Using the 64-m Parkes radio telescope multibeam system we obtain 152 high signal-to-noise ratio H I spectra from which we extract 148 high-accuracy (<5 per cent error) velocity widths and derive reliable rotation velocities. The observed sample consists of 303 southern (δ < -40°) galaxies selected from the 2MASS Redshift Survey with Ks < 11.25 mag, cz<10 000 km s-1 and axis ratio b/a<0.5. The H I observations reported in this paper will be combined with new H I spectra from the Green Bank and Arecibo telescopes, together producing the most uniform Tully-Fisher survey ever constructed (in terms of sky coverage). In particular, due to its near-infrared selection, 2MTF will be significantly more complete at low Galactic latitude (|b| < 15° and will provide a more reliable map of peculiar velocities in the local Universe.",

author = "Tao Hong and Lister Staveley-Smith and Masters, {Karen L.} and Springob, {Christopher M.} and Macri, {Lucas M.} and Koribalski, {B{\"a}rbel S.} and Jones, {D. Heath} and Jarrett, {Tom H.} and Crook, {Aidan C.}",

note = "Copyright 2013 The Authors. First published in Monthly Notices of the Royal Astronomical Society, 432(2), pp.1178-1188. The original publication is available at http://doi.org/10.1093/mnras/stt555, published by Oxford University Press on behalf of the Royal Astronomical Society. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.",

year = "2013",

month = jun,

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volume = "432",

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2MTF - II. new parkes 21-cm observations of 303 southern galaxies. / Hong, Tao; Staveley-Smith, Lister; Masters, Karen L.; Springob, Christopher M.; Macri, Lucas M.; Koribalski, Bärbel S.; Jones, D. Heath; Jarrett, Tom H.; Crook, Aidan C.

In: Monthly Notices of the Royal Astronomical Society, Vol. 432, No. 2, 06.2013, p. 1178-1188.

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

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AU - Hong, Tao

AU - Staveley-Smith, Lister

AU - Masters, Karen L.

AU - Springob, Christopher M.

AU - Macri, Lucas M.

AU - Koribalski, Bärbel S.

AU - Jones, D. Heath

AU - Jarrett, Tom H.

AU - Crook, Aidan C.

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N2 - We present new 21-cm neutral hydrogen (H I) observations of spiral galaxies for the 2MASS Tully-Fisher (2MTF) survey. Using the 64-m Parkes radio telescope multibeam system we obtain 152 high signal-to-noise ratio H I spectra from which we extract 148 high-accuracy (<5 per cent error) velocity widths and derive reliable rotation velocities. The observed sample consists of 303 southern (δ < -40°) galaxies selected from the 2MASS Redshift Survey with Ks < 11.25 mag, cz<10 000 km s-1 and axis ratio b/a<0.5. The H I observations reported in this paper will be combined with new H I spectra from the Green Bank and Arecibo telescopes, together producing the most uniform Tully-Fisher survey ever constructed (in terms of sky coverage). In particular, due to its near-infrared selection, 2MTF will be significantly more complete at low Galactic latitude (|b| < 15° and will provide a more reliable map of peculiar velocities in the local Universe.

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