The origin of the possible massive black hole in the progenitor system of iPTF13bvn

Ryosuke Hirai

doi:10.1093/mnrasl/slx062

The origin of the possible massive black hole in the progenitor system of iPTF13bvn

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Abstract

This letter complements a formation scenario of the progenitor of the supernova iPTF13bvn proposed by Hirai. Although the scenario was successful in reproducing various observational features of the explosion and pre-explosion photometry by assuming that the progenitor had a relatively large black hole (BH) companion, it lacked an explanation for the origin of the BH itself. We now explore the possible evolutionary paths towards this binary with a relatively large BH companion. We found that the BH was probably produced by a very massive star that experienced common envelope evolution. According to our MESA stellar models, the primary mass should have been ≳70M⊙ to reproduce the required remnant mass and final separation. This indicates that iPTF13bvn was likely a rare case and normal Type Ib supernovae originate from different paths.

Original language	English
Pages (from-to)	L94–L98
Number of pages	5
Journal	Monthly Notices of the Royal Astronomical Society: Letters
Volume	469
Issue number	1
DOIs	https://doi.org/10.1093/mnrasl/slx062
Publication status	Published - Jul 2017
Externally published	Yes

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10.1093/mnrasl/slx062

Cite this

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title = "The origin of the possible massive black hole in the progenitor system of iPTF13bvn",

abstract = "This letter complements a formation scenario of the progenitor of the supernova iPTF13bvn proposed by Hirai. Although the scenario was successful in reproducing various observational features of the explosion and pre-explosion photometry by assuming that the progenitor had a relatively large black hole (BH) companion, it lacked an explanation for the origin of the BH itself. We now explore the possible evolutionary paths towards this binary with a relatively large BH companion. We found that the BH was probably produced by a very massive star that experienced common envelope evolution. According to our MESA stellar models, the primary mass should have been ≳70M⊙ to reproduce the required remnant mass and final separation. This indicates that iPTF13bvn was likely a rare case and normal Type Ib supernovae originate from different paths.",

author = "Ryosuke Hirai",

year = "2017",

month = jul,

doi = "10.1093/mnrasl/slx062",

language = "English",

volume = "469",

pages = "L94–L98",

journal = "Monthly Notices of the Royal Astronomical Society: Letters",

issn = "1745-3925",

publisher = "Oxford University Press",

number = "1",

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AB - This letter complements a formation scenario of the progenitor of the supernova iPTF13bvn proposed by Hirai. Although the scenario was successful in reproducing various observational features of the explosion and pre-explosion photometry by assuming that the progenitor had a relatively large black hole (BH) companion, it lacked an explanation for the origin of the BH itself. We now explore the possible evolutionary paths towards this binary with a relatively large BH companion. We found that the BH was probably produced by a very massive star that experienced common envelope evolution. According to our MESA stellar models, the primary mass should have been ≳70M⊙ to reproduce the required remnant mass and final separation. This indicates that iPTF13bvn was likely a rare case and normal Type Ib supernovae originate from different paths.

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DO - 10.1093/mnrasl/slx062

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SP - L94–L98

JO - Monthly Notices of the Royal Astronomical Society: Letters

JF - Monthly Notices of the Royal Astronomical Society: Letters

IS - 1

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