2005A&A...431..423S


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.03CET04:53:05

2005A&A...431..423S - Astronomy and Astrophysics, volume 431, 423-431 (2005/2-4)

Lower limits on the Hubble constant from models of type Ia supernovae.

STRITZINGER M. and LEIBUNDGUT B.

Abstract (from CDS):

By coupling observations of type Ia supernovae with results obtained from the best available numerical models we constrain the Hubble constant, independently of any external calibrators. We find an absolute lower limit of H0>50km/s/Mpc. In addition, we construct a Hubble diagram with UVOIR light curves of 12 type Ia supernovae located in the Hubble flow, and when adopting the most likely values (obtained from 1-D and 3-D deflagration simulations) of the amount of 56Ni produced in a typical event, we find values of H0≥66±8 and ≥78±9km/s/Mpc, respectively. Our result may be difficult to reconcile with recent discussions in the literature as it seems that an Einstein-de Sitter universe requires H0≃46km/s/Mpc in order to fit the temperature power spectrum of the cosmic microwave background and maintain the age constraints of the oldest stars.

Abstract Copyright:

Journal keyword(s): cosmology: cosmological parameters - stars: supernovae: general

Simbad objects: 14

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Number of rows : 14

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 SN 1992bo SN* 01 21 58.44 -34 12 43.5   15.85 15.76     SNIa 108 1
2 SN 1996bo SN* 01 48 22.86 +11 31 15.1   16.17       SNIa 68 1
3 SN 1999gp SN* 02 31 39.15 +39 22 52.3   16.04       SNIa 84 1
4 SN 1999dq SN* 02 33 59.68 +20 58 30.4   14.68       SNIapec 94 1
5 SN 1992bc SN* 03 05 16.05 -39 33 34.6   15.15 15.17     SNIa 122 1
6 SN 1992A SN* 03 36 27.41 -34 57 31.4   12.56 12.50     SNIa 385 1
7 SN 1995bd SN* 04 45 21.24 +11 04 02.5   17.29       SNIapec 61 1
8 SN 1995E SN* 07 51 56.75 +73 00 34.6   16.81 15.9     SNIa 108 1
9 SN 1999aa SN* 08 27 42.03 +21 29 14.8           SNIap 233 1
10 SN 1999aw SN* 11 01 36.37 -06 06 31.6   16.88       SNIa 67 1
11 SN 1994D SN* 12 34 02.395 +07 42 05.70   11.75 12.03     SNIa 522 1
12 SN 1993H SN* 13 52 50.34 -30 42 23.3   16.99       SNIa 83 1
13 SN 1999ee SN* 22 16 09.40 -36 50 31.5   14.85       SNIa 173 1
14 SN 1995ac SN* 22 45 34.14 -08 45 04.7   17.23 17.10     SNIapec 74 2

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2021.03.03-04:53:05

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