K corrections for Type Ia supernovae and a test for spatial variation of the Hubble Constant

Kim, A.; Deustua, S.; Gabi, S.; Goldhaber, G.; Groom, Donald E.; Hook, I.; Kim, M.; Lee, J.; Pain, R.; Pennypacker, C.

K corrections for Type Ia supernovae and a test for spatial variation of the Hubble Constant

A. Kim
(
- LBL, Berkeley and
- UC, Berkeley, CfPA
)
,
S. Deustua
(
- LBL, Berkeley and
- UC, Berkeley, CfPA
)
,
S. Gabi
(
- LBL, Berkeley and
- UC, Berkeley, CfPA
)
,
G. Goldhaber
(
- LBL, Berkeley and
- UC, Berkeley, CfPA
)
,
Donald E. Groom
(
- LBL, Berkeley and
- UC, Berkeley, CfPA
)

Feb, 1996

6 pages

Contribution to:

NATO Advanced Study Institute Thermonuclear Supernovae Conference

e-Print:

astro-ph/9602123 [astro-ph]

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Abstract: (arXiv)

Cross-filter K corrections for a sample of normal Type Ia supernovae (SNe) have been calculated for a range of epochs. With appropriate filter choices, the combined statistical and systematic K correction dispersion of the full sample lies within 0.05 mag for redshifts z<0.7. This narrow dispersion of the calculated K correction allows the Type Ia to be used as a cosmological probe. We use the K corrections with observations of seven SNe at redshifts 0.3 < z <0.5 to bound the possible difference between the locally measured Hubble constant (H_L) and the true cosmological Hubble constant (H_0).

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