The intrinsic colors of supernovae of type IA

Details The intrinsic colors of supernovae of type IA The intrinsic colors of supernovae of type IA

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasp..104..408v&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 104, no. 676, June 1992, p. 408-412.

Astronomy and Astrophysics

Astronomy

15

Spiral Galaxies, Stellar Color, Stellar Magnitude, Supernovae, Hubble Diagram, Interstellar Extinction, Red Shift

Scientific paper

The effects that adopted intrinsic colors have on the luminosity calibration of SN Ia are investigated. It is shown that SN Ia are good standard candles only if (B-V)max is about 0.0 in which case they are relatively faint at M(B)(max) about -20.0 in spirals and M(B)(max) = -19.0 in E and S0 galaxies. The Hubble diagram for the absorption-corrected maximum magnitudes of SN Ia is found to have marginally smaller dispersion for a Virgocentric infall model than it does for a model without such infall.

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