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  • 1810.07202v1

    Rights statement: This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Monthly Notices of the Royal Astronomical Society following peer review. The definitive publisher-authenticated versionA L Tiley, M Bureau, L Cortese, C M Harrison, H L Johnson, J P Stott, A M Swinbank, I Smail, D Sobral, A J Bunker, K Glazebrook, R G Bower, D Obreschkow, J J Bryant, M J Jarvis, J Bland-Hawthorn, G Magdis, A M Medling, S M Sweet, C Tonini, O J Turner, R M Sharples, S M Croom, M Goodwin, I S Konstantopoulos, N P F Lorente, J S Lawrence, J Mould, M S Owers, S N Richards; KROSS–SAMI: a direct IFS comparison of the Tully–Fisher relation across 8 Gyr since z ≈ 1, Monthly Notices of the Royal Astronomical Society, Volume 482, Issue 2, 11 January 2019, Pages 2166–2188, https://doi.org/10.1093/mnras/sty2794 is available online at: https://academic.oup.com/mnras/article/482/2/2166/5134162

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KROSS-SAMI: a direct IFS comparison of the Tully–Fisher relation across 8 Gyr since z ≈ 1

Research output: Contribution to journalJournal article

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  • A. L. Tiley
  • M. Bureau
  • L. Cortese
  • C. M. Harrison
  • H. L. Johnson
  • A. M. Swinbank
  • I. Smail
  • A. J. Bunker
  • K. Glazebrook
  • R. G. Bower
  • D. Obreschkow
  • J. J. Bryant
  • M. J. Jarvis
  • J. Bland-Hawthorn
  • G. Magdis
  • A. M. Medling
  • S. M. Sweet
  • C. Tonini
  • O. J. Turner
  • R. M. Sharples
  • S. M. Croom
  • M. Goodwin
  • I. S. Konstantopoulos
  • N. P. F. Lorente
  • J. S. Lawrence
  • J. Mould
  • M. S. Owers
  • S. N. Richards
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<mark>Journal publication date</mark>11/01/2019
<mark>Journal</mark>Monthly Notices of the Royal Astronomical Society
Issue number2
Volume482
Number of pages23
Pages (from-to)2166–2188
Publication statusPublished
Early online date17/10/18
Original languageEnglish

Abstract

We construct Tully–Fisher relations (TFRs), from large samples of galaxies with spatially resolved H α emission maps from the K-band Multi-Object Spectrograph (KMOS) Redshift One Spectroscopic Survey (KROSS) at z ≈ 1. We compare these to data from the Sydney-Australian-Astronomical-Observatory Multi-object Integral-Field Spectrograph (SAMI) Galaxy Survey at z ≈ 0. We stringently match the data quality of the latter to the former, and apply identical analysis methods and sub-sample selection criteria to both to conduct a direct comparison of the absolute K-band magnitude and stellar mass TFRs at z ≈ 1 and 0. We find that matching the quality of the SAMI data to that of KROSS results in TFRs that differ significantly in slope, zero-point, and (sometimes) scatter in comparison to the corresponding original SAMI relations. These differences are in every case as large as or larger than the differences between the KROSS z ≈ 1 and matched SAMI z ≈ 0 relations. Accounting for these differences, we compare the TFRs at z ≈ 1 and 0. For disc-like, star-forming galaxies we find no significant difference in the TFR zero-points between the two epochs. This suggests the growth of stellar mass and dark matter in these types of galaxies is intimately linked over this ≈8 Gyr period.

Bibliographic note

This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Monthly Notices of the Royal Astronomical Society following peer review. The definitive publisher-authenticated versionA L Tiley, M Bureau, L Cortese, C M Harrison, H L Johnson, J P Stott, A M Swinbank, I Smail, D Sobral, A J Bunker, K Glazebrook, R G Bower, D Obreschkow, J J Bryant, M J Jarvis, J Bland-Hawthorn, G Magdis, A M Medling, S M Sweet, C Tonini, O J Turner, R M Sharples, S M Croom, M Goodwin, I S Konstantopoulos, N P F Lorente, J S Lawrence, J Mould, M S Owers, S N Richards; KROSS–SAMI: a direct IFS comparison of the Tully–Fisher relation across 8 Gyr since z ≈ 1, Monthly Notices of the Royal Astronomical Society, Volume 482, Issue 2, 11 January 2019, Pages 2166–2188, https://doi.org/10.1093/mnras/sty2794 is available online at: https://academic.oup.com/mnras/article/482/2/2166/5134162