The distances to five type II supernovae using the expanding photosphere method, and the value of H0

Brian P. Schmidt; Robert P. Kirshner; Ronald G. Eastman; Mark M. Phillips; Nicholas B. Suntzeff; Mario Hamuy; José Maza; Roberto Avilés

doi:10.1086/174546

The distances to five type II supernovae using the expanding photosphere method, and the value of H₀

Brian P. Schmidt^*, Robert P. Kirshner, Ronald G. Eastman, Mark M. Phillips, Nicholas B. Suntzeff, Mario Hamuy, José Maza, Roberto Avilés

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

We have used observations gathered at CTIO to measure distances by the expanding photosphere method (EPM) to five Type II supernovae. These supernovae lie at redshifts from cz = 1100 km s^-1 to cz = 5500 km s^-1, and increase to 18 the number of distances measured using EPM. We compare distances derived to 11 Type II supernovae with distances to their host galaxies measured using the Tully-Fisher method. We find that the Tully-Fisher distances average 11% ± 7% smaller. The comparison shows no significant evidence of any large distance-dependent bias in the Tully-Fisher distances. We employ the sample of EPM distances from 4.5 Mpc to 180 Mpc to derive a value for the Hubble constant. We find H₀ = 73 ± 6(statistical) ± 7(systematic) km s^-1 Mpc^-1.

Original language	English
Pages (from-to)	42-48
Number of pages	7
Journal	Astrophysical Journal
Volume	432
Issue number	1
DOIs	https://doi.org/10.1086/174546
Publication status	Published - 1 Sept 1994
Externally published	Yes

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@article{327b5e34429f438ba057619a70547319,

title = "The distances to five type II supernovae using the expanding photosphere method, and the value of H0",

abstract = "We have used observations gathered at CTIO to measure distances by the expanding photosphere method (EPM) to five Type II supernovae. These supernovae lie at redshifts from cz = 1100 km s-1 to cz = 5500 km s-1, and increase to 18 the number of distances measured using EPM. We compare distances derived to 11 Type II supernovae with distances to their host galaxies measured using the Tully-Fisher method. We find that the Tully-Fisher distances average 11% ± 7% smaller. The comparison shows no significant evidence of any large distance-dependent bias in the Tully-Fisher distances. We employ the sample of EPM distances from 4.5 Mpc to 180 Mpc to derive a value for the Hubble constant. We find H0 = 73 ± 6(statistical) ± 7(systematic) km s-1 Mpc-1.",

keywords = "Distance scale, Supernovae: general",

author = "Schmidt, {Brian P.} and Kirshner, {Robert P.} and Eastman, {Ronald G.} and Phillips, {Mark M.} and Suntzeff, {Nicholas B.} and Mario Hamuy and Jos{\'e} Maza and Roberto Avil{\'e}s",

year = "1994",

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doi = "10.1086/174546",

language = "English",

volume = "432",

pages = "42--48",

journal = "Astrophysical Journal",

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TY - JOUR

T1 - The distances to five type II supernovae using the expanding photosphere method, and the value of H0

AU - Schmidt, Brian P.

AU - Kirshner, Robert P.

AU - Eastman, Ronald G.

AU - Phillips, Mark M.

AU - Suntzeff, Nicholas B.

AU - Hamuy, Mario

AU - Maza, José

AU - Avilés, Roberto

PY - 1994/9/1

Y1 - 1994/9/1

N2 - We have used observations gathered at CTIO to measure distances by the expanding photosphere method (EPM) to five Type II supernovae. These supernovae lie at redshifts from cz = 1100 km s-1 to cz = 5500 km s-1, and increase to 18 the number of distances measured using EPM. We compare distances derived to 11 Type II supernovae with distances to their host galaxies measured using the Tully-Fisher method. We find that the Tully-Fisher distances average 11% ± 7% smaller. The comparison shows no significant evidence of any large distance-dependent bias in the Tully-Fisher distances. We employ the sample of EPM distances from 4.5 Mpc to 180 Mpc to derive a value for the Hubble constant. We find H0 = 73 ± 6(statistical) ± 7(systematic) km s-1 Mpc-1.

AB - We have used observations gathered at CTIO to measure distances by the expanding photosphere method (EPM) to five Type II supernovae. These supernovae lie at redshifts from cz = 1100 km s-1 to cz = 5500 km s-1, and increase to 18 the number of distances measured using EPM. We compare distances derived to 11 Type II supernovae with distances to their host galaxies measured using the Tully-Fisher method. We find that the Tully-Fisher distances average 11% ± 7% smaller. The comparison shows no significant evidence of any large distance-dependent bias in the Tully-Fisher distances. We employ the sample of EPM distances from 4.5 Mpc to 180 Mpc to derive a value for the Hubble constant. We find H0 = 73 ± 6(statistical) ± 7(systematic) km s-1 Mpc-1.

KW - Distance scale

KW - Supernovae: general

UR - http://www.scopus.com/inward/record.url?scp=12044249279&partnerID=8YFLogxK

U2 - 10.1086/174546

DO - 10.1086/174546

M3 - Article

SN - 0004-637X

VL - 432

SP - 42

EP - 48

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 1

ER -

The distances to five type II supernovae using the expanding photosphere method, and the value of H₀

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