Main sequence of star formation and colour bimodality considering galaxy environment

Abstract

This study involves the use of friend-of-friend method on the volume limited samples constructed from the Sloan Digital Sky Survey Data Release 12 (SDSS DR12) to classify the galaxies into isolated and non-isolated environments hence to investigate the influence of the galaxy environment on the main sequence of star formation, and colour bimodality. We classified the galaxies into the luminous volume-limited sample with $-22.5\le M_r\le -20.5$ (mag), and the faint volume-limited sample with $-20.5\le M_r\le -18.5$ (mag). Using the WHAN diagnostic diagram we assignedthe samples into star-forming, strong AGN, weak AGN, and retired galaxies based on their environment (isolated and non-isolated). The friend-of-friend method was successful in producing consistent results regarding the stellar mass-SFR and stellar mass-colour known relations. Apart from that the decrease in the slope of the main sequence for star-forming galaxies by $0.04$ dex and intercept by $0.39$ dex for the luminous sample was observed while the faint sample a decrease of $0.08$ dex in slope and $0.74$ dex in intercept was observed between isolated and non-isolated galaxies. A significant difference on the number of galaxies between isolated and non-isolated galaxies within, above and below the main sequence by $7.47\%$, $28.51\%$, $14.59\%$ for the luminous sample while for the faint sample by $16.15\%$, $32.60\%$, $35.23\%$ on average, respectively are observed. A significant difference in the number of galaxies in the blue cloud, green valley, and red sequence by $10.30\%$, $20.61\%$, $5.74\%$ for luminous sample while for faint sample by $28.46\%$, $41.36\%$, $8.95\%$ on average, respectively was observed. The study concludes that the galaxy environment influences the shaping and positioning of galaxies along the star formation main sequence and colour bimodality.

arXiv comment14 pages, 3 figures

References in corpus (76)

• Maps of Dust IR Emission for Use in Estimation of Reddening and CMBR Foregrounds
• Star Formation in Galaxies Along the Hubble Sequence
• The Seventh Data Release of the Sloan Digital Sky Survey
• The Host Galaxies of AGN
• The many lives of active galactic nuclei: cooling flows, black holes and the luminosities and colours of galaxies
• The Origin of the Mass--Metallicity Relation: Insights from 53,000 Star-Forming Galaxies in the SDSS
• The physical properties of star forming galaxies in the low redshift universe
• Theoretical Modeling of Starburst Galaxies
• The Eleventh and Twelfth Data Releases of the Sloan Digital Sky Survey: Final Data from SDSS-III
• SDSS-III: Massive Spectroscopic Surveys of the Distant Universe, the Milky Way Galaxy, and Extra-Solar Planetary Systems
• The Host Galaxies and Classification of Active Galactic Nuclei
• The Average Star Formation Histories of Galaxies in Dark Matter Halos from z=0-8
• Mass and environment as drivers of galaxy evolution in SDSS and zCOSMOS and the origin of the Schechter function
• Star Formation in AEGIS Field Galaxies since z=1.1 : The Dominance of Gradually Declining Star Formation, and the Main Sequence of Star-Forming Galaxies
• Spectroscopic Target Selection in the Sloan Digital Sky Survey: The Main Galaxy Sample
• K-corrections and filter transformations in the ultraviolet, optical, and near infrared
• The reversal of the star formation-density relation in the distant universe
• Multiwavelength study of massive galaxies at z~2. I. Star formation and galaxy growth
• A Highly Consistent Framework for the Evolution of the Star-Forming "Main Sequence" from z~0-6
• The Environmental Dependence of the Relations between Stellar Mass, Structure, Star Formation and Nuclear Activity in Galaxies
• CALIFA, the Calar Alto Legacy Integral Field Area survey: I. Survey presentation
• The Galaxy Luminosity Function and Luminosity Density at Redshift z=0.1
• Galaxy Luminosity Functions to z~1: DEEP2 vs. COMBO-17 and Implications for Red Galaxy Formation
• 3D-HST WFC3-selected Photometric Catalogs in the Five CANDELS/3D-HST Fields: Photometry, Photometric Redshifts and Stellar Masses
• The Star-formation Mass Sequence out to z=2.5
• Constraining the Low-Mass Slope of the Star Formation Sequence at 0.5<z<2.5
• The lesser role of starbursts for star formation at z=2
• Morphological quenching of star formation: making early-type galaxies red
• Galaxy Star-Formation as a Function of Environment in the Early Data Release of the Sloan Digital Sky Survey
• Observational evidence for AGN feedback in early-type galaxies
• The 2dF Galaxy Redshift Survey: The environmental dependence of galaxy star formation rates near clusters
• The Green Valley is a Red Herring: Galaxy Zoo reveals two evolutionary pathways towards quenching of star formation in early- and late-type galaxies
• A comprehensive classification of galaxies in the SDSS: How to tell true from fake AGN?
• PRIMUS: Constraints on Star Formation Quenching and Galaxy Merging, and the Evolution of the Stellar Mass Function From z=0-1
• The Evolving Interstellar Medium of Star Forming Galaxies Since z=2 as Probed by Their Infrared Spectral Energy Distributions
• An Objective Definition for the Main Sequence of Star-Forming Galaxies
• Black hole variability and the star formation-AGN connection: Do all star-forming galaxies host an AGN?
• Bulge Growth and Quenching since z = 2.5 in CANDELS/3D-HST
• The Relation Between SFR and Stellar Mass for Galaxies at 3.5 $\le z\le$ 6.5 in CANDELS
• The nature of LINER galaxies: Ubiquitous hot old stars and rare accreting black holes
• The Characteristic Star Formation Histories of Galaxies at Redshifts z~2-7
• The Mean Star Formation Rate of X-ray selected Active Galaxies and its Evolution from z=2.5: Results from PEP-Herschel
• The SFR-M* Relation and Empirical Star-Formation Histories from ZFOURGE at 0.5 < z < 4
• The DEEP2 Galaxy Redshift Survey: The Role of Galaxy Environment in the Cosmic Star-Formation History
• AEGIS: The color-magnitude relation for X-ray selected AGN
• CALIFA, the Calar Alto Legacy Integral Field Area survey. III. Second public data release
• Flux- and volume-limited groups/clusters for the SDSS galaxies: catalogues and mass estimation
• Spatially-Resolved Spectroscopic Properties of Low-Redshift Star-Forming Galaxies
• The Role of Starburst-AGN composites in Luminous Infrared Galaxy Mergers: Insights from the New Optical Classification Scheme
• The Environmental Dependence of Galaxy Properties in the Local Universe: Dependence on Luminosity, Local Density, and System Richness
• The Star Formation Main Sequence in the Hubble Space Telescope Frontier Fields
• SDSS IV MaNGA - sSFR profiles and the slow quenching of discs in green valley galaxies
• Groups and clusters of galaxies in the SDSS DR8. Value-added catalogues
• Merging groups and clusters of galaxies from the SDSS data. The catalogue of groups and potentially merging systems
• Planck 2015 results. XXIII. The thermal Sunyaev-Zeldovich effect--cosmic infrared background correlation
• The VLA-COSMOS 3 GHz Large Project: Evolution of specific star formation rates out to $z\sim 5$
• Are galactic star formation and quenching governed by local, global or environmental phenomena?
• A New Census of the 0.2< z <3.0 Universe, Part II: The Star-Forming Sequence
• The Dependence of Star Formation Rates on Stellar Mass and Environment at z~0.8
• The main sequence of star forming galaxies I. The local relation and its bending
• Deep Extragalactic VIsible Legacy Survey (DEVILS): SED Fitting in the D10-COSMOS Field and the Evolution of the Stellar Mass Function and SFR-$M_{\star }$ relation
• Decreased Specific Star Formation Rates in AGN Host Galaxies
• The MUSE Hubble Ultra Deep Field Survey XI. Constraining the low-mass end of the stellar mass - star formation rate relation at $z<1$
• Galaxies hosting an AGN: a view from the CALIFA survey
• Quenching star formation: insights from the local main sequence
• On the Mass-Metallicity-Star Formation Rate Relation for Galaxies at $z\sim 2$
• Quenching star formation at intermediate redshifts: downsizing of the mass flux density in the green valley
• Non-linearity and environmental dependence of the star forming galaxies Main Sequence
• From global to spatially resolved in low-redshift galaxies
• Bivariate Galaxy Luminosity Functions in the Sloan Digital Sky Survey
• SSDSS IV MaNGA - Properties of AGN host galaxies
• The main sequence of star forming galaxies II. A non evolving slope at the high mass end
• The Star Formation Histories of Disk Galaxies: the Live, the Dead, and the Undead
• The relation of cosmic environment and morphology with the star formation and stellar populations of AGN and non-AGN galaxies
• Radio AGN Selection and Characterization in Three Deep-Drilling Fields of the Vera C. Rubin Observatory Legacy Survey of Space and Time
• Probing star formation rates and histories in AGN and non-AGN galaxies across diverse cosmic environments and extensive X-ray luminosity ranges

Cited by in corpus (1)

• Galaxy Evolution in the Local Universe: Group Richness Effects on Mergers and Non-Mergers