A HUBBLE DIAGRAM FROM TYPE II SUPERNOVAE BASED SOLELY ON PHOTOMETRY:THE PHOTOMETRIC COLOR METHOD
| Autor: | Wendy L. Freedman, Maximilian Stritzinger, Nicholas B. Suntzeff, Wojtek Krzeminski, Christopher R. Burns, S. E. Persson, Mario Hamuy, Mark M. Phillips, G. Folatelli, T. de Jaeger, Eric Hsiao, Santiago González-Gaitán, Lluís Galbany, Joseph P. Anderson, Hanindyo Kuncarayakti, S. Castellon, Luis Bolt, Abdo Campillay, Kevin Krisciunas, Carlos Contreras, Nidia Morrell, Claudia P. Gutiérrez |
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| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: |
Ciencias Astronómicas
Ciencias Físicas FOS: Physical sciences P SUPERNOVAE Astrophysics Astrophysics::Cosmology and Extragalactic Astrophysics distance scale LIGHT-CURVES Cosmology EXPANDING PHOTOSPHERE METHOD Photometry (optics) Apparent magnitude supernovae: general Astrophysics::Solar and Stellar Astrophysics Solar and Stellar Astrophysics (astro-ph.SR) Astrophysics::Galaxy Astrophysics QUANTITATIVE SPECTROSCOPIC ANALYSIS High Energy Astrophysical Phenomena (astro-ph.HE) Physics IA SUPERNOVAE Astronomy and Astrophysics Redshift SDSS-II Galaxy STANDARDIZED CANDLE METHOD Distances Astronomía Stars Supernova Supernovae Orders of magnitude (time) Astrophysics - Solar and Stellar Astrophysics Space and Planetary Science PROBE WMAP OBSERVATIONS Galaxis distances and redshifts [galaxies] LARGE-MAGELLANIC-CLOUD Astrophysics::Earth and Planetary Astrophysics galaxies: distances and redshifts Astrophysics - High Energy Astrophysical Phenomena general [supernovae] CIENCIAS NATURALES Y EXACTAS PERIOD-LUMINOSITY RELATIONS |
| Zdroj: | de Jaeger, T, Gonzalez-Gaitan, S, Anderson, J P, Galbany, L, Hamuy, M, Phillips, M M, Stritzinger, M D, Gutierrez, C P, Bolt, L, Burns, C R, Campillay, A, Castellon, S, Contreras, C, Folatelli, G, Freedman, W L, Hsiao, Y C E, Krisciunas, K, Krzeminski, W, Kuncarayakti, H, Morrell, N, Olivares E, F, Persson, S E & Suntzeff, N 2015, ' A HUBBLE DIAGRAM FROM TYPE II SUPERNOVAE BASED SOLELY ON PHOTOMETRY : THE PHOTOMETRIC COLOR METHOD ', The Astrophysical Journal, vol. 815, no. 2, 121 . https://doi.org/10.1088/0004-637X/815/2/121 SEDICI (UNLP) Universidad Nacional de La Plata instacron:UNLP CIÊNCIAVITAE Astrophysical Journal Artículos CONICYT CONICYT Chile instacron:CONICYT NASA Astrophysics Data System |
| DOI: | 10.1088/0004-637X/815/2/121 |
| Popis: | We present a Hubble diagram of SNe II using corrected magnitudes derived only from photometry, with no input of spectral information. We use a data set from the Carnegie Supernovae Project I for which optical and near-infrared light curves were obtained. The apparent magnitude is corrected by two observables, one corresponding to the slope of the plateau in the V band and the second a color term. We obtain a dispersion of 0.44 mag using a combination of the (V - i) color and the r band and we are able to reduce the dispersion to 0.39 mag using our golden sample. A comparison of our photometric color method (PCM) with the standardized candle method (SCM) is also performed. The dispersion obtained for the SCM (which uses both photometric and spectroscopic information) is 0.29 mag, which compares with 0.43 mag from the PCM for the same SN sample. The construction of a photometric Hubble diagram is of high importance in the coming era of large photometric wide-field surveys, which will increase the detection rate of supernovae by orders of magnitude. Such numbers will prohibit spectroscopic follow up in the vast majority of cases, and hence methods must be deployed which can proceed using solely photometric data. La lista completa de autores que integran el documento puede consultarse en el archivo. Facultad de Ciencias Astronómicas y Geofísicas Instituto de Astrofísica de La Plata |
| Databáze: | OpenAIRE |
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