Circumbinary planet study around NSVS 14256825

Circumbinary planet study around NSVS 14256825

© Published under licence by IOP Publishing Ltd. The period variability of (O-C) diagram of an eclipsing binary, NSVS 14256825, which is composed of a hot subdwarf type OB star (sdOB) and a main-sequence low-mass type M star (dM) in close orbit with period P=0.110374 days, previously showed sinusoid...

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Main Authors: P. Sappankum, S. Komonjinda, S. Awiphan, R. Rattanamala, V. S. Dhillon, T. R. Marsh, S. Suphapolthaworn
Format: Conference Proceeding
Published: 2020
Subjects:
Physics and Astronomy
Online Access:https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85077810071&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/68080
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Institution: Chiang Mai University
id th-cmuir.6653943832-68080
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spelling th-cmuir.6653943832-680802020-04-02T15:18:14Z Circumbinary planet study around NSVS 14256825 P. Sappankum S. Komonjinda S. Awiphan R. Rattanamala V. S. Dhillon T. R. Marsh S. Suphapolthaworn Physics and Astronomy © Published under licence by IOP Publishing Ltd. The period variability of (O-C) diagram of an eclipsing binary, NSVS 14256825, which is composed of a hot subdwarf type OB star (sdOB) and a main-sequence low-mass type M star (dM) in close orbit with period P=0.110374 days, previously showed sinusoidal signal cause by the light travel time effects. This signal can be caused by the presence of third bodies. We re-examined (O-C) diagram of the system. We combined eclipse timings from published data and the data taken from ULTRASPEC at 2.4 m at Thai National Telescope on November 2018. From the fitting model, the parameters of the third body in NSVS 14256825 system are obtained. 2020-04-02T15:18:14Z 2020-04-02T15:18:14Z 2019-12-16 Conference Proceeding 17426596 17426588 2-s2.0-85077810071 10.1088/1742-6596/1380/1/012095 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85077810071&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/68080
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Physics and Astronomy
spellingShingle Physics and Astronomy
P. Sappankum
S. Komonjinda
S. Awiphan
R. Rattanamala
V. S. Dhillon
T. R. Marsh
S. Suphapolthaworn
Circumbinary planet study around NSVS 14256825
description © Published under licence by IOP Publishing Ltd. The period variability of (O-C) diagram of an eclipsing binary, NSVS 14256825, which is composed of a hot subdwarf type OB star (sdOB) and a main-sequence low-mass type M star (dM) in close orbit with period P=0.110374 days, previously showed sinusoidal signal cause by the light travel time effects. This signal can be caused by the presence of third bodies. We re-examined (O-C) diagram of the system. We combined eclipse timings from published data and the data taken from ULTRASPEC at 2.4 m at Thai National Telescope on November 2018. From the fitting model, the parameters of the third body in NSVS 14256825 system are obtained.
format Conference Proceeding
author P. Sappankum
S. Komonjinda
S. Awiphan
R. Rattanamala
V. S. Dhillon
T. R. Marsh
S. Suphapolthaworn
author_facet P. Sappankum
S. Komonjinda
S. Awiphan
R. Rattanamala
V. S. Dhillon
T. R. Marsh
S. Suphapolthaworn
author_sort P. Sappankum
title Circumbinary planet study around NSVS 14256825
title_short Circumbinary planet study around NSVS 14256825
title_full Circumbinary planet study around NSVS 14256825
title_fullStr Circumbinary planet study around NSVS 14256825
title_full_unstemmed Circumbinary planet study around NSVS 14256825
title_sort circumbinary planet study around nsvs 14256825
publishDate 2020
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85077810071&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/68080
_version_ 1681426754160295936

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