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Carnegie Supernova Project-II: Extending the Near-infrared Hubble Diagram for Type Ia Supernovae to z ~ 0.1

Phillips, M. M. and Kasliwal, Mansi (2019) Carnegie Supernova Project-II: Extending the Near-infrared Hubble Diagram for Type Ia Supernovae to z ~ 0.1. Publications of the Astronomical Society of the Pacific, 131 (995). Art. No. 014001. ISSN 0004-6280. doi:10.1088/1538-3873/aae8bd.

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The Carnegie Supernova Project-II (CSP-II) was an NSF-funded, four-year program to obtain optical and near-infrared observations of a "Cosmology" sample of ~100 Type Ia supernovae located in the smooth Hubble flow (0.03 ≾ z ≾ 0.10). Light curves were also obtained of a "Physics" sample composed of 90 nearby Type Ia supernovae at z ≤ 0.04 selected for near-infrared spectroscopic timeseries observations. The primary emphasis of the CSP-II is to use the combination of optical and near-infrared photometry to achieve a distance precision of better than 5%. In this paper, details of the supernova sample, the observational strategy, and the characteristics of the photometric data are provided. In a companion paper, the near-infrared spectroscopy component of the project is presented.

Item Type:Article
Related URLs:
URLURL TypeDescription Paper
Phillips, M. M.0000-0003-2734-0796
Kasliwal, Mansi0000-0002-5619-4938
Additional Information:© 2018 The Astronomical Society of the Pacific. Received 2018 September 19; accepted 2018 October 7; published 2018 November 27. This paper includes data gathered with the 6.5 meter Magellan telescopes at Las Campanas Observatory, Chile. The work of the CSP-II has been generously supported by the National Science Foundation under grants AST-1008343, AST-1613426, AST-1613455, and AST-1613472. The CSP-II was also supported in part by the Danish Agency for Science and Technology and Innovation through a Sapere Aude Level 2 grant. M. Stritzinger acknowledges funding by a research grant (13261) from VILLUM FONDEN. T. D. is supported by an appointment to the NASA Postdoctoral Program at the Goddard Space Flight Center, administered by Universities Space Research Association under contract with NASA. Facilities: Magellan:Baade (IMACS imaging spectrograph - , FourStar wide-field near-infrared camera - , FIRE near-infrared echellette) - , Magellan:Clay (LDSS3 imaging spectrograph) - , Swope (SITe3 CCD imager - , e2v 4 K × 4 K CCD imager) - , du Pont (Tek5 CCD imager - , WFCCD imaging spectrograph - , RetroCam near-infrared imager) - , Gemini:North (GNIRS near-infrared spectrograph) - , Gemini:South (FLAMINGOS2) - , VLT (ISAAC - , MUSE) - , IRTF (SpeX near-infrared spectrograph) - , NOT (ALFOSC) - , Calar Alto 3.5 m (PMAS/PPak) - , La Silla-QUEST - , CRTS - , PTF - , iPTF - , OGLE - , ASAS-SN - , PS1 - , KISS - , ISSP - , MASTER - , SMT). - Software: SNID (Blondin & Tonry 2007), SUPERFIT (Howell et al. 2005), GELATO (Harutyunyan et al. 2008), SNooPy (Burns et al. 2011).
Group:Astronomy Department
Funding AgencyGrant Number
Danish Agency for Science and Technology and InnovationUNSPECIFIED
NASA Postdoctoral ProgramUNSPECIFIED
Subject Keywords:cosmology: observations – galaxies: distances and redshifts – (stars:) supernovae: general
Issue or Number:995
Record Number:CaltechAUTHORS:20181127-130240698
Persistent URL:
Official Citation:M. M. Phillips et al 2019 PASP 131 014001
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:91229
Deposited By: Tony Diaz
Deposited On:27 Nov 2018 21:40
Last Modified:16 Nov 2021 03:39

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