An efficient approach to obtaining large numbers of distant supernova host galaxy redshifts

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An efficient approach to obtaining large numbers of distant supernova host galaxy redshifts. / Lidman, C.; Ruhlmann-Kleider, V.; Sullivan, M. et al.
In: Publications of the Astronomical Society of Australia, Vol. 30, 001, 18.01.2013.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Lidman, C, Ruhlmann-Kleider, V, Sullivan, M, Myzska, J, Dobbie, P, Glazebrook, K, Mould, J, Astier, P, Balland, C, Betoule, M, Carlberg, R, Conley, A, Fouchez, D, Guy, J, Hardin, D, Hook, I, Howell, DA, Pain, R, Palanque-Delabrouille, N, Perrett, K, Pritchet, C, Regnault, N & Rich, J 2013, 'An efficient approach to obtaining large numbers of distant supernova host galaxy redshifts', Publications of the Astronomical Society of Australia, vol. 30, 001. https://doi.org/10.1017/pasa.2012.001

APA

Lidman, C., Ruhlmann-Kleider, V., Sullivan, M., Myzska, J., Dobbie, P., Glazebrook, K., Mould, J., Astier, P., Balland, C., Betoule, M., Carlberg, R., Conley, A., Fouchez, D., Guy, J., Hardin, D., Hook, I., Howell, D. A., Pain, R., Palanque-Delabrouille, N., ... Rich, J. (2013). An efficient approach to obtaining large numbers of distant supernova host galaxy redshifts. Publications of the Astronomical Society of Australia, 30, Article 001. https://doi.org/10.1017/pasa.2012.001

Vancouver

Lidman C, Ruhlmann-Kleider V, Sullivan M, Myzska J, Dobbie P, Glazebrook K et al. An efficient approach to obtaining large numbers of distant supernova host galaxy redshifts. Publications of the Astronomical Society of Australia. 2013 Jan 18;30:001. doi: 10.1017/pasa.2012.001

Author

Lidman, C. ; Ruhlmann-Kleider, V. ; Sullivan, M. et al. / An efficient approach to obtaining large numbers of distant supernova host galaxy redshifts. In: Publications of the Astronomical Society of Australia. 2013 ; Vol. 30.

Bibtex

@article{a3c869cd0ea4439ab79db5affcf28ac3,

title = "An efficient approach to obtaining large numbers of distant supernova host galaxy redshifts",

abstract = "We use the wide-field capabilities of the 2 degree field fibre positioner and the AAOmega spectrograph on the Anglo-Australian Telescope (AAT) to obtain redshifts of galaxies that hosted supernovae during the first 3 years of the Supernova Legacy Survey (SNLS). With exposure times ranging from 10 to 60 ks per galaxy, we were able to obtain redshifts for 400 host galaxies in two SNLS fields, thereby substantially increasing the total number of SNLS supernovae with host galaxy redshifts. The median redshift of the galaxies in our sample that hosted photometrically classified Type Ia supernovae (SNe Ia) is z similar to 0.77, which is 25% higher than the median redshift of spectroscopically confirmed SNe Ia in the 3-year sample of the SNLS. Our results demonstrate that one can use wide-field fibre-fed multi-object spectrographs on 4-m telescopes to efficiently obtain redshifts for large numbers of supernova host galaxies over the large areas of the sky that will be covered by future high-redshift supernova surveys, such as the Dark Energy Survey.",

keywords = "cosmology: observations, galaxies: clusters: general, galaxies: general, supernovae: general, white dwarfs, DARK ENERGY SURVEY, IA SUPERNOVAE, LEGACY SURVEY, WHITE-DWARFS, SKY SURVEY, SPECTROSCOPY, CONSTRAINTS, SELECTION, TELESCOPE, STANDARDS",

author = "C. Lidman and V. Ruhlmann-Kleider and M. Sullivan and J. Myzska and P. Dobbie and K. Glazebrook and J. Mould and P. Astier and C. Balland and M. Betoule and R. Carlberg and A. Conley and D. Fouchez and J. Guy and D. Hardin and I. Hook and Howell, {D. A.} and R. Pain and N. Palanque-Delabrouille and K. Perrett and C. Pritchet and N. Regnault and J. Rich",

year = "2013",

month = jan,

day = "18",

doi = "10.1017/pasa.2012.001",

language = "English",

volume = "30",

journal = "Publications of the Astronomical Society of Australia",

issn = "1323-3580",

publisher = "Cambridge University Press",

}

RIS

TY - JOUR

T1 - An efficient approach to obtaining large numbers of distant supernova host galaxy redshifts

AU - Lidman, C.

AU - Ruhlmann-Kleider, V.

AU - Sullivan, M.

AU - Myzska, J.

AU - Dobbie, P.

AU - Glazebrook, K.

AU - Mould, J.

AU - Astier, P.

AU - Balland, C.

AU - Betoule, M.

AU - Carlberg, R.

AU - Conley, A.

AU - Fouchez, D.

AU - Guy, J.

AU - Hardin, D.

AU - Hook, I.

AU - Howell, D. A.

AU - Pain, R.

AU - Palanque-Delabrouille, N.

AU - Perrett, K.

AU - Pritchet, C.

AU - Regnault, N.

AU - Rich, J.

PY - 2013/1/18

Y1 - 2013/1/18

N2 - We use the wide-field capabilities of the 2 degree field fibre positioner and the AAOmega spectrograph on the Anglo-Australian Telescope (AAT) to obtain redshifts of galaxies that hosted supernovae during the first 3 years of the Supernova Legacy Survey (SNLS). With exposure times ranging from 10 to 60 ks per galaxy, we were able to obtain redshifts for 400 host galaxies in two SNLS fields, thereby substantially increasing the total number of SNLS supernovae with host galaxy redshifts. The median redshift of the galaxies in our sample that hosted photometrically classified Type Ia supernovae (SNe Ia) is z similar to 0.77, which is 25% higher than the median redshift of spectroscopically confirmed SNe Ia in the 3-year sample of the SNLS. Our results demonstrate that one can use wide-field fibre-fed multi-object spectrographs on 4-m telescopes to efficiently obtain redshifts for large numbers of supernova host galaxies over the large areas of the sky that will be covered by future high-redshift supernova surveys, such as the Dark Energy Survey.

AB - We use the wide-field capabilities of the 2 degree field fibre positioner and the AAOmega spectrograph on the Anglo-Australian Telescope (AAT) to obtain redshifts of galaxies that hosted supernovae during the first 3 years of the Supernova Legacy Survey (SNLS). With exposure times ranging from 10 to 60 ks per galaxy, we were able to obtain redshifts for 400 host galaxies in two SNLS fields, thereby substantially increasing the total number of SNLS supernovae with host galaxy redshifts. The median redshift of the galaxies in our sample that hosted photometrically classified Type Ia supernovae (SNe Ia) is z similar to 0.77, which is 25% higher than the median redshift of spectroscopically confirmed SNe Ia in the 3-year sample of the SNLS. Our results demonstrate that one can use wide-field fibre-fed multi-object spectrographs on 4-m telescopes to efficiently obtain redshifts for large numbers of supernova host galaxies over the large areas of the sky that will be covered by future high-redshift supernova surveys, such as the Dark Energy Survey.

KW - cosmology: observations

KW - galaxies: clusters: general

KW - galaxies: general

KW - supernovae: general

KW - white dwarfs

KW - DARK ENERGY SURVEY

KW - IA SUPERNOVAE

KW - LEGACY SURVEY

KW - WHITE-DWARFS

KW - SKY SURVEY

KW - SPECTROSCOPY

KW - CONSTRAINTS

KW - SELECTION

KW - TELESCOPE

KW - STANDARDS

U2 - 10.1017/pasa.2012.001

DO - 10.1017/pasa.2012.001

M3 - Journal article

VL - 30

JO - Publications of the Astronomical Society of Australia

JF - Publications of the Astronomical Society of Australia

SN - 1323-3580

M1 - 001

ER -

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