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SCALA: Towards a physical calibration of CALSPEC standard stars based on a NIST-traceable reference for SNIFS

Published online by Cambridge University Press:  03 March 2020

D. Küsters ,
S. Lombardo ,
M. Kowalski ,
G. Aldering ,
K. Boone ,
Y. Copin ,
J. Nordin  and
D. Rubin
D. Küsters
Affiliation:
Deutsches Elektronen-Synchrotron, D-15735Zeuthen, Germany Institut fur Physik, Humboldt-Universitat zu Berlin, Newtonstr. 15, 12489Berlin email: kuesters@physik.hu-berlin.de
S. Lombardo
Affiliation:
Institut fur Physik, Humboldt-Universitat zu Berlin, Newtonstr. 15, 12489Berlin email: kuesters@physik.hu-berlin.de Aix Marseille Univ, CNRS, CNES, LAM, Marseille, France
M. Kowalski
Affiliation:
Deutsches Elektronen-Synchrotron, D-15735Zeuthen, Germany Institut fur Physik, Humboldt-Universitat zu Berlin, Newtonstr. 15, 12489Berlin email: kuesters@physik.hu-berlin.de
G. Aldering
Affiliation:
Physics Division, Lawrence Berkeley National Laboratory, Berkeley, CA
K. Boone
Affiliation:
Physics Division, Lawrence Berkeley National Laboratory, Berkeley, CA
Y. Copin
Affiliation:
Universit de Lyon, Institut de Physique Nuclaire de Lyon
J. Nordin
Affiliation:
Institut fur Physik, Humboldt-Universitat zu Berlin, Newtonstr. 15, 12489Berlin email: kuesters@physik.hu-berlin.de
D. Rubin
Affiliation:
Space Telescope Science Institute, Baltimore, MD
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SCALA is a physical calibration device for the SuperNova Integral Field Spectrograph (SNIFS), mounted to the University Hawaii 2.2m telescope on Mauna Kea. For type Ia supernova (SN Ia) cosmology programs, an improved fundamental calibration directly translates into improved cosmological constraints. The aim of SCALA is to perform a fundamental calibration of the CALSPEC (Bohlin 2014) standard stars, which are currently calibrated relative to white dwarf model atmospheres.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium A30: Astronomy in Focus XXX , August 2018 , pp. 494
Copyright
© International Astronomical Union 2020

References

Bohlin, R. C. 2014, The Astronomical Journal, 147.6, 127CrossRefGoogle Scholar
Lombardo, S. et al 2017, Astronomy and Astrophysics, 607, A113 CrossRefGoogle Scholar
Küsters, D. 2018, Humboldt Universität zu Berlin, Phd Thesis Google Scholar
Hayes, D. S. 1985, Symposium-International Astronomical Union, 111, 225–252 CrossRefGoogle Scholar