The Spectroscopy and H-band Imaging of Virgo Cluster Galaxies (SHIVir) Survey: Scaling Relations and the Stellar-to-total Mass Relation
We present parameter distributions and fundamental scaling relations for 190 Virgo cluster galaxies in the SHIVir survey. The distribution of galaxy velocities is bimodal about V[subscript circ ]∼ 125 km s[superscript -1] , hinting at the existence of dynamically unstable modes in the inner regions...
| Main Authors: | , , , , , , , , , , , , |
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| Other Authors: | |
| Format: | Article |
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IOP Publishing
2017
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| Online Access: | http://hdl.handle.net/1721.1/112149 https://orcid.org/0000-0001-5226-8349 |
| _version_ | 1811088478189912064 |
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| author | Ouellette, Nathalie N.-Q. Courteau, Stéphane Holtzman, Jon A. Dutton, Aaron A. Cappellari, Michele Dalcanton, Julianne J. Roediger, Joel C. Taylor, James E. Tully, R. Brent Côté, Patrick Ferrarese, Laura Peng, Eric W. McDonald, Michael A. |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics Ouellette, Nathalie N.-Q. Courteau, Stéphane Holtzman, Jon A. Dutton, Aaron A. Cappellari, Michele Dalcanton, Julianne J. Roediger, Joel C. Taylor, James E. Tully, R. Brent Côté, Patrick Ferrarese, Laura Peng, Eric W. McDonald, Michael A. |
| author_sort | Ouellette, Nathalie N.-Q. |
| collection | MIT |
| description | We present parameter distributions and fundamental scaling relations for 190 Virgo cluster galaxies in the SHIVir survey. The distribution of galaxy velocities is bimodal about V[subscript circ ]∼ 125 km s[superscript -1] , hinting at the existence of dynamically unstable modes in the inner regions of galaxies. An analysis of the Tully-Fisher relation (TFR) of late-type galaxies (LTGs) and the fundamental plane (FP) of early-type galaxies (ETGs) is presented, yielding a compendium of galaxy scaling relations. The slope and zero-point of the Virgo TFR match those of field galaxies, while scatter differences likely reflect distinct evolutionary histories. The velocities minimizing scatter for the TFR and FP are measured at large apertures where the baryonic fraction becomes subdominant. While TFR residuals remain independent of any galaxy parameters, FP residuals (i.e., the FP "tilt") correlate strongly with the dynamical-to-stellar mass ratio, yielding stringent galaxy formation constraints. We construct a stellar-to-total mass relation (STMR) for ETGs and LTGs and find linear but distinct trends over the range M[subscript ∗] = 10[superscript 8-11] M[subscript circle with dot in center]. Stellar-to-halo mass relations (SHMRs), which probe the extended dark matter halo, can be scaled down to masses estimated within the optical radius, showing a tight match with the Virgo STMR at low masses; possibly inadequate halo abundance matching prescriptions and broad radial scalings complicate this comparison at all masses. While ETGs appear to be more compact than LTGs of the same stellar mass in projected space, their mass-size relations in physical space are identical. The trends reported here may soon be validated through well-resolved numerical simulations. |
| first_indexed | 2024-09-23T14:02:47Z |
| format | Article |
| id | mit-1721.1/112149 |
| institution | Massachusetts Institute of Technology |
| last_indexed | 2024-09-23T14:02:47Z |
| publishDate | 2017 |
| publisher | IOP Publishing |
| record_format | dspace |
| spelling | mit-1721.1/1121492022-10-01T18:47:56Z The Spectroscopy and H-band Imaging of Virgo Cluster Galaxies (SHIVir) Survey: Scaling Relations and the Stellar-to-total Mass Relation Ouellette, Nathalie N.-Q. Courteau, Stéphane Holtzman, Jon A. Dutton, Aaron A. Cappellari, Michele Dalcanton, Julianne J. Roediger, Joel C. Taylor, James E. Tully, R. Brent Côté, Patrick Ferrarese, Laura Peng, Eric W. McDonald, Michael A. Massachusetts Institute of Technology. Department of Physics MIT Kavli Institute for Astrophysics and Space Research McDonald, Michael A. We present parameter distributions and fundamental scaling relations for 190 Virgo cluster galaxies in the SHIVir survey. The distribution of galaxy velocities is bimodal about V[subscript circ ]∼ 125 km s[superscript -1] , hinting at the existence of dynamically unstable modes in the inner regions of galaxies. An analysis of the Tully-Fisher relation (TFR) of late-type galaxies (LTGs) and the fundamental plane (FP) of early-type galaxies (ETGs) is presented, yielding a compendium of galaxy scaling relations. The slope and zero-point of the Virgo TFR match those of field galaxies, while scatter differences likely reflect distinct evolutionary histories. The velocities minimizing scatter for the TFR and FP are measured at large apertures where the baryonic fraction becomes subdominant. While TFR residuals remain independent of any galaxy parameters, FP residuals (i.e., the FP "tilt") correlate strongly with the dynamical-to-stellar mass ratio, yielding stringent galaxy formation constraints. We construct a stellar-to-total mass relation (STMR) for ETGs and LTGs and find linear but distinct trends over the range M[subscript ∗] = 10[superscript 8-11] M[subscript circle with dot in center]. Stellar-to-halo mass relations (SHMRs), which probe the extended dark matter halo, can be scaled down to masses estimated within the optical radius, showing a tight match with the Virgo STMR at low masses; possibly inadequate halo abundance matching prescriptions and broad radial scalings complicate this comparison at all masses. While ETGs appear to be more compact than LTGs of the same stellar mass in projected space, their mass-size relations in physical space are identical. The trends reported here may soon be validated through well-resolved numerical simulations. 2017-11-08T18:48:01Z 2017-11-08T18:48:01Z 2017-07 2017-04 2017-11-08T13:49:33Z Article http://purl.org/eprint/type/JournalArticle 1538-4357 0004-637X http://hdl.handle.net/1721.1/112149 Ouellette, Nathalie N.-Q. et al. “The Spectroscopy and H-Band Imaging of Virgo Cluster Galaxies (SHIVir) Survey: Scaling Relations and the Stellar-to-Total Mass Relation.” The Astrophysical Journal 843, 1 (July 2017): 74 © 2017 The American Astronomical Society https://orcid.org/0000-0001-5226-8349 http://dx.doi.org/10.3847/1538-4357/aa74b1 Astrophysical Journal Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf IOP Publishing IOP Publishing |
| spellingShingle | Ouellette, Nathalie N.-Q. Courteau, Stéphane Holtzman, Jon A. Dutton, Aaron A. Cappellari, Michele Dalcanton, Julianne J. Roediger, Joel C. Taylor, James E. Tully, R. Brent Côté, Patrick Ferrarese, Laura Peng, Eric W. McDonald, Michael A. The Spectroscopy and H-band Imaging of Virgo Cluster Galaxies (SHIVir) Survey: Scaling Relations and the Stellar-to-total Mass Relation |
| title | The Spectroscopy and H-band Imaging of Virgo Cluster Galaxies (SHIVir) Survey: Scaling Relations and the Stellar-to-total Mass Relation |
| title_full | The Spectroscopy and H-band Imaging of Virgo Cluster Galaxies (SHIVir) Survey: Scaling Relations and the Stellar-to-total Mass Relation |
| title_fullStr | The Spectroscopy and H-band Imaging of Virgo Cluster Galaxies (SHIVir) Survey: Scaling Relations and the Stellar-to-total Mass Relation |
| title_full_unstemmed | The Spectroscopy and H-band Imaging of Virgo Cluster Galaxies (SHIVir) Survey: Scaling Relations and the Stellar-to-total Mass Relation |
| title_short | The Spectroscopy and H-band Imaging of Virgo Cluster Galaxies (SHIVir) Survey: Scaling Relations and the Stellar-to-total Mass Relation |
| title_sort | spectroscopy and h band imaging of virgo cluster galaxies shivir survey scaling relations and the stellar to total mass relation |
| url | http://hdl.handle.net/1721.1/112149 https://orcid.org/0000-0001-5226-8349 |
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