THE CARNEGIE SUPERNOVA PROJECT: SECOND PHOTOMETRY DATA RELEASE OF LOW-REDSHIFT TYPE Ia SUPERNOVAE

By M. Stritzinger, M. Phillips, S. LuisBoldt, C. Burns, A. Campillay, C. Contreras, S. González, G. Folatelli, N. Morrell, W. Krzemiński and 13 more. 2010

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The Carnegie Supernova Project (CSP) was a five-year observational survey conducted at Las Campanas Observatory that obtained, among other things, high-quality light curves of ∼100 low-redshift Type Ia supernovae (SNe Ia). Presented here is the second data release of nearby SN Ia photometry consisting of 50 objects, with a subset of 45 having near-infrared follow-up observations. Thirty-three objects have optical pre-maximum coverage with a subset of 15 beginning at least five days before maximum light. In the near-infrared, 27 objects have coverage beginning before the epoch of B-band maximum, with a subset of 13 beginning at least five days before maximum. In addition, we present results of a photometric calibration program to measure the CSP optical (uBgVri) bandpasses with an accuracy of ∼1%. Finally, we report the discovery of a second SN Ia, SN 2006ot, similar in its characteristics to the peculiar SN 2006bt.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/8d261e6dfa499996d9e45072ad46682f8b7cba2a

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Citations in the corpus

Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Cosmological implications from two decades of spectroscopic surveys at the Apache Point Observatory (2020, background): “…by SNe Ia observed at low redshift (Riess et al. 1999; Jha et al. 2006; Hicken et al. 2009; Contreras et al. 2010; Folatelli et al. 2010; Stritzinger et al. 2011), the SDSS and SNLS samples, and with HST (Suzuki et al. 2012; Riess et al. 2007; Rodney et al. 2014; Graur et al. 2014;…”
The Carnegie Supernova Project. I. Third Photometry Data Release of Low-redshift Type Ia Supernovae and Other White Dwarf Explosions (2017, methodology): “We refer the reader to Stritzinger et al. (2010), which contains premaximum, maximum-light, and post-maximum photometry of this SN obtained with the CTIO 1.3m telescope using its dual optical/NIR imager ANDICAM.”
ON THE SOURCE OF THE DUST EXTINCTION IN TYPE Ia SUPERNOVAE AND THE DISCOVERY OF ANOMALOUSLY STRONG Na i ABSORPTION (2013, background): “Three other SNe in our sample—2002ha, 2007fb, and 2007kk—share this characteristic, and low-dispersion spectra have identified similar cases—e.g., SNe 2006dd and 2006mr in NGC 1316 (Stritzinger et al. 2010).”
The Complete Light-curve Sample of Spectroscopically Confirmed SNe Ia from Pan-STARRS1 and Cosmological Constraints from the Combined Pantheon Sample (2017, background): “Many groups have worked on assembling large sets of low-redshift (0.01<z<0.1) SNe (e.g., CfA1-CfA4, Riess et al. 1999; Jha et al. 2006; Hicken et al. 2009a, 2009b, 2012; CSP, Contreras et al. 2010; Folatelli et al. 2010; Stritzinger et al. 2011; LOSS, Ganeshalingam et al. 2013).”
TYPE Iax SUPERNOVAE: A NEW CLASS OF STELLAR EXPLOSION (2012, methodology): “Using additional data, Stritzinger et al. (2010b) determined that SN 2010ae was most similar to SN 2008ha.”