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Title: The Origin of Faint Tidal Features around Galaxies in the RESOLVE Survey

Abstract

We study tidal features around galaxies in the REsolved Spectroscopy Of a Local VolumE (RESOLVE) survey. Our sample consists of 1048 RESOLVE galaxies that overlap with the DECam Legacy Survey, which reaches an $$r$$-band 3$$σ$$ depth of ~27.9 mag arcsec-2 for a 100 arcsec2 feature. Images were masked, smoothed, and inspected for tidal features such as streams, shells, or tails/arms. We find tidal features in 17±2% of our galaxies, setting a lower limit on the true frequency. The frequency of tidal features in the gas-poor (gas-to-stellar mass ratio <0.1) subsample is lower than in the gas-rich subsample (13±3% versus 19±2%). Within the gas-poor subsample, galaxies with tidal features have higher stellar and halo masses, ~3× closer distances to nearest neighbors (in the same group), and possibly fewer group members at fixed halo mass than galaxies without tidal features, but similar specific star formation rates. These results suggest tidal features in gas-poor galaxies are typically streams/shells from dry mergers or satellite disruption. In contrast, the presence of tidal features around gas-rich galaxies does not correlate with stellar or halo mass, suggesting these tidal features are often tails/arms from resonant interactions. Similar to tidal features in gas-poor galaxies, tidal features in gas-rich galaxies imply 1.7× closer nearest neighbors in the same group; however, they are associated with diskier morphologies, higher star formation rates, and higher gas content. In addition to interactions with known neighbors, we suggest that tidal features in gas-rich galaxies may arise from accretion of cosmic gas and/or gas-rich satellites below the survey limit.

Authors:
ORCiD logo [1];  [1]; ORCiD logo [2];  [3];  [1]; ORCiD logo [1];  [4];  [5]
  1. Univ. of North Carolina, Chapel Hill, NC (United States). Dept. of Physics and Astronomy
  2. Univ. of North Carolina, Chapel Hill, NC (United States). Dept. of Physics and Astronomy; Univ. of Tokyo (Japan)
  3. Brown Univ., Providence, RI (United States). Dept. of Physics
  4. Univ. of Central Lancashire, Lancashire (England)
  5. Columbia Univ., New York, NY (United States). Dept. of Physics
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Org.:
USDOE
OSTI Identifier:
1544057
Resource Type:
Accepted Manuscript
Journal Name:
The Astrophysical Journal (Online)
Additional Journal Information:
Journal Name: The Astrophysical Journal (Online); Journal Volume: 857; Journal Issue: 2; Journal ID: ISSN 1538-4357
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; Astronomy & Astrophysics

Citation Formats

Hood, Callie E., Kannappan, Sheila J., Stark, David V., Dell’Antonio, Ian P., Moffett, Amanda J., Eckert, Kathleen D., Norris, Mark A., and Hendel, David. The Origin of Faint Tidal Features around Galaxies in the RESOLVE Survey. United States: N. p., 2018. Web. doi:10.3847/1538-4357/aab719.
Hood, Callie E., Kannappan, Sheila J., Stark, David V., Dell’Antonio, Ian P., Moffett, Amanda J., Eckert, Kathleen D., Norris, Mark A., & Hendel, David. The Origin of Faint Tidal Features around Galaxies in the RESOLVE Survey. United States. https://doi.org/10.3847/1538-4357/aab719
Hood, Callie E., Kannappan, Sheila J., Stark, David V., Dell’Antonio, Ian P., Moffett, Amanda J., Eckert, Kathleen D., Norris, Mark A., and Hendel, David. Fri . "The Origin of Faint Tidal Features around Galaxies in the RESOLVE Survey". United States. https://doi.org/10.3847/1538-4357/aab719. https://www.osti.gov/servlets/purl/1544057.
@article{osti_1544057,
title = {The Origin of Faint Tidal Features around Galaxies in the RESOLVE Survey},
author = {Hood, Callie E. and Kannappan, Sheila J. and Stark, David V. and Dell’Antonio, Ian P. and Moffett, Amanda J. and Eckert, Kathleen D. and Norris, Mark A. and Hendel, David},
abstractNote = {We study tidal features around galaxies in the REsolved Spectroscopy Of a Local VolumE (RESOLVE) survey. Our sample consists of 1048 RESOLVE galaxies that overlap with the DECam Legacy Survey, which reaches an $r$-band 3$σ$ depth of ~27.9 mag arcsec-2 for a 100 arcsec2 feature. Images were masked, smoothed, and inspected for tidal features such as streams, shells, or tails/arms. We find tidal features in 17±2% of our galaxies, setting a lower limit on the true frequency. The frequency of tidal features in the gas-poor (gas-to-stellar mass ratio <0.1) subsample is lower than in the gas-rich subsample (13±3% versus 19±2%). Within the gas-poor subsample, galaxies with tidal features have higher stellar and halo masses, ~3× closer distances to nearest neighbors (in the same group), and possibly fewer group members at fixed halo mass than galaxies without tidal features, but similar specific star formation rates. These results suggest tidal features in gas-poor galaxies are typically streams/shells from dry mergers or satellite disruption. In contrast, the presence of tidal features around gas-rich galaxies does not correlate with stellar or halo mass, suggesting these tidal features are often tails/arms from resonant interactions. Similar to tidal features in gas-poor galaxies, tidal features in gas-rich galaxies imply 1.7× closer nearest neighbors in the same group; however, they are associated with diskier morphologies, higher star formation rates, and higher gas content. In addition to interactions with known neighbors, we suggest that tidal features in gas-rich galaxies may arise from accretion of cosmic gas and/or gas-rich satellites below the survey limit.},
doi = {10.3847/1538-4357/aab719},
journal = {The Astrophysical Journal (Online)},
number = 2,
volume = 857,
place = {United States},
year = {Fri Apr 20 00:00:00 EDT 2018},
month = {Fri Apr 20 00:00:00 EDT 2018}
}

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Cited by: 39 works
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Figures / Tables:

Figure 1 Figure 1: A comparison of the SDSS (left), DECaLS (middle), and IAC (right) images of the galaxy rf0358. The deeper DECaLS and IAC images reveal the faint extension on the left side of the galaxy.

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text, January 2008


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text, January 2008


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text, January 2008


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text, January 2008


Lopsided Spiral Galaxies
text, January 2008


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text, January 2010


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text, January 2010


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text, January 2011


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text, January 2011


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text, January 2016


Surface density effects in quenching: cause or effect?
text, January 2016


Molecular and atomic gas along and across the main sequence of star-forming galaxies
text, January 2016


Quantifying the impact of mergers on the angular momentum of simulated galaxies
text, January 2017


Lopsided spiral galaxies: evidence for gas accretion
text, January 2005


Precision Determination of the Mass Function of Dark Matter Halos
text, January 2005


The influence of gas on the structure of merger remnants
text, January 2006


The Updated Zwicky Catalog (UZC)
text, January 1999


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journal, September 2018


Identification of low surface brightness tidal features in galaxies using convolutional neural networks
journal, November 2018

  • Walmsley, Mike; Ferguson, Annette M. N.; Mann, Robert G.
  • Monthly Notices of the Royal Astronomical Society, Vol. 483, Issue 3
  • DOI: 10.1093/mnras/sty3232

A machine-vision method for automatic classification of stellar halo substructure
journal, April 2019

  • Hendel, David; Johnston, Kathryn V.; Patra, Rohit K.
  • Monthly Notices of the Royal Astronomical Society, Vol. 486, Issue 3
  • DOI: 10.1093/mnras/stz1107

The haloes and environments of nearby galaxies (HERON) – I. Imaging, sample characteristics, and envelope diameters
journal, August 2019

  • Rich, R. Michael; Mosenkov, Aleksandr; Lee-Saunders, Henry
  • Monthly Notices of the Royal Astronomical Society, Vol. 490, Issue 2
  • DOI: 10.1093/mnras/stz2106

Overview of the DESI Legacy Imaging Surveys
journal, April 2019

  • Dey, Arjun; Schlegel, David J.; Lang, Dustin
  • The Astronomical Journal, Vol. 157, Issue 5
  • DOI: 10.3847/1538-3881/ab089d

Tidal Features at 0.05 < z < 0.45 in the Hyper Suprime-Cam Subaru Strategic Program: Properties and Formation Channels
journal, October 2018


The Effect of Minor and Major Mergers on the Evolution of Low-excitation Radio Galaxies
journal, June 2019

  • Gordon, Yjan A.; Pimbblet, Kevin A.; Kaviraj, Sugata
  • The Astrophysical Journal, Vol. 878, Issue 2
  • DOI: 10.3847/1538-4357/ab203f

Overview of the DESI Legacy Imaging Surveys
text, January 2018


Identification of Low Surface Brightness Tidal Features in Galaxies Using Convolutional Neural Networks
text, January 2018


The Halos and Environments of Nearby Galaxies (HERON) I: Imaging, Sample Characteristics, and Envelope Diameters
text, January 2019