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J/ApJ/789/23         Properties of SN host galaxies               (Kelly+, 2014)

The host galaxies of fast-ejecta core-collapse supernovae. Kelly P.L., Filippenko A.V., Modjaz M., Kocevski D. <Astrophys. J., 789, 23 (2014)> =2014ApJ...789...23K (SIMBAD/NED BibCode)
ADC_Keywords: Galaxy catalogs ; Supernovae ; Gamma rays ; Redshifts Keywords: galaxies: abundances - galaxies: star formation - gamma-ray burst: general - supernovae: general Abstract: Spectra of broad-lined Type Ic supernovae (SNe Ic-BL), the only kind of SN observed at the locations of long-duration gamma-ray bursts (LGRBs), exhibit wide features indicative of high ejecta velocities (∼0.1c). We study the host galaxies of a sample of 245 low-redshift (z < 0.2) core-collapse SNe, including 17 SNe Ic-BL, discovered by galaxy-untargeted searches, and 15 optically luminous and dust-obscured z < 1.2 LGRBs. We show that, in comparison with Sloan Digital Sky Survey galaxies having similar stellar masses, the hosts of low-redshift SNe Ic-BL and z < 1.2 LGRBs have high stellar mass and star formation rate densities. Core-collapse SNe having typical ejecta velocities, in contrast, show no preference for such galaxies. Moreover, we find that the hosts of SNe Ic-BL, unlike those of SNe Ib/Ic and SNe II, exhibit high gas velocity dispersions for their stellar masses. The patterns likely reflect variations among star-forming environments and suggest that LGRBs can be used as probes of conditions in high-redshift galaxies. They may be caused by efficient formation of massive binary progenitor systems in densely star-forming regions, or, less probably, a higher fraction of stars created with the initial masses required for an SN Ic-BL or LGRB. Finally, we show that the preference of SNe Ic-BL and LGRBs for galaxies with high stellar mass and star formation rate densities cannot be attributed to a preference for low metal abundances but must reflect the influence of a separate environmental factor. Description: We study the host galaxies of both nearby (z<0.2) core-collapse SNe discovered by "galaxy-untargeted" transient searches (e.g., the Palomar Transient Factory (PTF); Rau et al., 2009PASP..121.1334R; Law et al., 2009PASP..121.1395L), which do not target specific potential hosts or z<1.2 LGRBs detected by gamma-ray satellites. We use the SDSS spectroscopic sample to build a control sample of low-redshift star-forming galaxies and SDSS photometry and spectroscopy to measure properties of both the sample of low-redshift star-forming galaxies and the host galaxies of the nearby SNe. For the host galaxies of z<1.2 LGRBs, we estimate host properties using published photometry and HST imaging. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 79 345 Properties of Host Galaxies from Photometry and Imaging table3.dat 69 82 Properties of Host Galaxies with SDSS Spectra
See also: B/sn : Asiago Supernova Catalogue (Barbon et al., 1999-) J/ApJ/673/999 : Supernova and host galaxies metallicities (Prieto+, 2008) J/ApJ/722/566 : Host galaxies of SNe Ia in SDSS-II SN survey (Lampeitl+, 2010) J/ApJ/740/92 : SN.Ia host galaxies properties (Gupta+, 2011) J/A+A/544/A81 : Supernovae and their hosts in the SDSS DR8 (Hakobyan+, 2012) J/ApJ/755/61 : SN Ia host galaxies SFR from SDSS-II (Smith+, 2012) J/ApJ/759/107 : Core-collapse SNe and host galaxies (Kelly+, 2012) J/MNRAS/424/2841 : Morphology of supernova host galaxies (Habergham+, 2012) J/ApJ/770/107 : Host galaxies of SNIa from SNfactory (Childress+, 2013) J/MNRAS/435/1680 : SN Ia host galaxy properties (Johansson+, 2013) J/MNRAS/438/1391 : Host galaxies of Type Ia SN from PTF (Pan+, 2014) J/MNRAS/444/2428 : Disturbance levels of SNe host galaxies (Hakobyan+, 2014) J/MNRAS/448/732 : Type Ia SN environment within host galaxies (Anderson+ 2015) J/ApJ/821/115 : SDSS-II SN Survey: host-galaxy spectral data (Wolf+, 2016) J/ApJ/830/13 : Host-galaxy NUV-NIR data of 32 superluminous SNe (Perley+, 2016) J/MNRAS/456/2848 : Properties of 500 SNe and their 419 hosts (Hakobyan+, 2016) Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 10 A10 --- Name Identifier 12- 16 F5.3 --- z Spectroscopic redshift 18- 23 A6 --- Type Spectroscopic classification 25- 29 F5.2 [Msun] logMass ? Log galaxy stellar mass (1) 31- 34 F4.2 [Msun] e_logMass ? Uncertainty in Mass 36- 40 F5.2 [Msun/yr] logSFR ? Log star formation rate (1) 42- 45 F4.2 [Msun/yr] e_logSFR ? Uncertainty in SFR 47- 51 F5.2 [Msun/kpc2] logSigmaM ? Log mass density 53- 56 F4.2 [Msun/kpc2] e_logSigmaM ? Uncertainty in SigmaM 58- 62 F5.2 [Msun/yr/kpc2] logSigmaSFR ? Log projected SFR surface density (2) 64- 67 F4.2 [Msun/yr/kpc2] e_logSigmaSFR ? Uncertainty in SigmaSFR 69- 73 F5.2 kpc r50 Weighted average of half-light radii (3) 75- 79 F5.2 kpc e_r50 Uncertainty in r50
Note (1): Estimated by fitting broadband photometry with PEGASE2 (Fioc & Rocca-Volmerange 1999, arXiv:astro-ph/9912179) stellar population synthesis models. Note (2): SigmaSFR = log10(SFR/2/(πA*B)) where SFR is the value estimated from photometry in the adjacent column, while A and B are the semimajor and semiminor axes (in kpc) of the isophotal ellipse that contains half of the galaxy r-band flux. Note (3): Of the de Vaucouleurs and exponential components fit to the galaxy light distribution by the SDSS photo pipeline.
Byte-by-byte Description of file: table3.dat
Bytes Format Units Label Explanations
1- 9 A9 --- Name Identifier 11- 15 F5.3 --- z Spectroscopic redshift 17- 22 A6 --- Type Spectroscopic classification 24- 28 F5.2 [Msun] logMass ? Log galaxy stellar mass (1) 30- 33 F4.2 [Msun] e_logMass ? Uncertainty in Mass 35- 39 F5.1 km/s sigmaV Gas velocity dispersion estimate (2) 41- 43 F3.1 km/s e_sigmaV Uncertainty in sigmaV 45- 49 F5.2 [Msun/yr] logSFR ? Log star formation rate (2) 51- 54 F4.2 [Msun/yr] e_logSFR ? Uncertainty in SFR 56- 60 F5.2 [Msun/yr/kpc2] logSigmaSFR ? Log projected SFR surface density (3) 62- 65 F4.2 [Msun/yr/kpc2] e_logSigmaSFR ? Uncertainty in SigmaSFR 67- 69 F3.1 --- Frac Fraction of total galaxy light (4)
Note (1): Estimated by fitting broadband photometry with PEGASE2 (Fioc & Rocca-Volmerange 1999, arXiv:astro-ph/9912179) stellar population synthesis models. Note (2): From the Hα emission-line profile by the Portsmouth group (Thomas et al., 2013MNRAS.431.1383T) using the Penalized PiXel Fitting (Cappellari & Emsellem 2004PASP..116..138C) (pPXF) and the Gas and Absorption Line Fitting (Sarzi et al. 2006MNRAS.366.1151S) (GANDALF v1.5) codes. Note (3): SigmaSFR = log10(SFR/2/(πA*B)) where SFR is the value estimated from photometry in the adjacent column, while A and B are the semimajor and semiminor axes (in kpc) of the isophotal ellipse that contains half of the galaxy r-band flux. Note (4): Attributed to the de Vaucouleurs r1/4 component from a simultaneous fit by the SDSS photo pipeline of a de Vaucouleurs and an exponential profile to the galaxy light distribution.
History: From electronic version of the journal
(End) Prepared by [AAS], Tiphaine Pouvreau [CDS] 02-Mar-2017
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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