@article{19910f4efc7747cb9a5241031b5503d7,
title = "PTF10ops - a subluminous, normal-width light curve Type Ia supernova in the middle of nowhere",
abstract = "PTF10ops is a Type Ia supernova (SN Ia), whose light curve and spectral properties place it outside the current SN Ia subtype classifications. Its spectra display the characteristic lines of subluminous SNe Ia, but it has a normal-width light curve with a long rise time, typical of normal-luminosity SNe Ia. The early-time optical spectra of PTF10ops were modelled using a spectral fitting code and found to have all the lines typically seen in subluminous SNe Ia, without the need to invoke more uncommon elements. The host galaxy environment of PTF10ops is also unusual with no galaxy detected at the position of the SN down to an absolute limiting magnitude of r≥-12.0mag, but a very massive galaxy is present at a separation of ∼148kpc and at the same redshift as suggested by the SN spectral features. The progenitor of PTF10ops is most likely a very old star, possibly in a low-metallicity environment, which affects its explosion mechanism and observational characteristics. PTF10ops does not easily fit into any of the current models of either subluminous or normal SN Ia progenitor channels.",
keywords = "Supernovae: general, Supernovae: individual: PTF10ops",
author = "K. Maguire and M. Sullivan and Thomas, {R. C.} and P. Nugent and Howell, {D. A.} and A. Gal-Yam and I. Arcavi and S. Ben-Ami and S. Blake and J. Botyanszki and C. Buton and J. Cooke and Ellis, {R. S.} and Hook, {I. M.} and Kasliwal, {M. M.} and Pan, {Y. C.} and R. Pereira and P. Podsiadlowski and A. Sternberg and N. Suzuki and D. Xu and O. Yaron and Bloom, {J. S.} and Cenko, {S. B.} and Kulkarni, {S. R.} and N. Law and Ofek, {E. O.} and D. Poznanski and Quimby, {R. M.}",
note = "Royal Society; Weizmann-UK; Israeli Science Foundation (ISF); Binational Science Foundation (BSF); EU via Marie Curie IRG; Science and Technology Facilities Council; NASA [NAS 5-26555]; Einstein fellowships; Gary & Cynthia Bengier; Richard & Rhoda Goldman Fund; NASA/Swift [NNX10AI21G, GO-7100028]; TABASGO Foundation; NSF [AST-0908886]; UK Science and Technology Facilities Council; W. M. Keck FoundationMS acknowledges support from the Royal Society. AG-Y and MS acknowledge support from the Weizmann-UK 'making connection' programme. The Weizmann Institute-PTF partnership is funded in part by the Israeli Science Foundation (ISF) via a grant to AG-Y. The joint WIS-Caltech activity is funded by a Binational Science Foundation (BSF) grant to AG-Y and SRK. AG-Y further acknowledges support from the EU/FP7 via a Marie Curie IRG fellowship and an ARCHES prize from the German BMBF. This work was supported by the Science and Technology Facilities Council. EOO is supported by NASA grants. EOO and DP are both supported by Einstein fellowships. SBC acknowledges generous financial assistance from Gary & Cynthia Bengier, the Richard & Rhoda Goldman Fund, NASA/Swift grants NNX10AI21G and GO-7100028, the TABASGO Foundation, and NSF grant AST-0908886. This publication has been made possible by the participation of more than 10 000 volunteers in the Galaxy Zoo Supernovae project, http://supernova.galaxyzoo.org/authors.The WHT is operated on the island of La Palma by the Isaac Newton Group in the Spanish Observatorio del Roque de los Muchachos of the Instituto de Astrofisica de Canarias. The Liverpool Telescope is operated on the island of La Palma by Liverpool John Moores University in the Spanish Observatorio del Roque de los Muchachos of the Instituto de Astrofisica de Canarias with financial support from the UK Science and Technology Facilities Council. Observations were obtained with the Samuel Oschin Telescope at the Palomar Observatory as part of the Palomar Transient facto",
year = "2011",
month = dec,
doi = "https://doi.org/10.1111/j.1365-2966.2011.19526.x",
language = "الإنجليزيّة",
volume = "418",
pages = "747--758",
journal = "MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "2",
}