Discovering exoplanets in Pleiades with transiting exoplanet survey satellite

Research Article
Open access

Discovering exoplanets in Pleiades with transiting exoplanet survey satellite

Xinyue Huang 1* , Yuhan Yan 2 , Shuangyu Yang 3 , Meng Yuan 4
  • 1 Queen Mary University of London    
  • 2 China World Academy    
  • 3 BASIS International School    
  • 4 Chengdu Shishi High School    
  • *corresponding author hxycom99@icloud.com
TNS Vol.5
ISSN (Print): 2753-8826
ISSN (Online): 2753-8818
ISBN (Print): 978-1-915371-53-9
ISBN (Online): 978-1-915371-54-6

Abstract

No transiting exoplanets have previously been found in the Pleiades. The Pleiades is a relatively young star cluster near us, which makes it valuable for investigation. This study aims to determine the existence of exoplanets in Pleiades using the transit method. Specifically, it sought to determine if the listed 83 stars have exoplanets by inspecting on light-curves from data of Transiting Exoplanet Survey Satellite (TESS). The TESS mission, with a better resolution and observed sky area than the previous Kepler mission, aimed to find more exoplanets around stars. To test the hypothesis that exoplanets do exist in the 83 stars of the Pleiades, we downloaded their light-curves using Jupyter notebook and the Lightkurve package, then checked using BLS method and fitting if there were transits. The results showed no clear sign of transiting planets in those stars. These results suggest that the 83 stars checked likely don’t have a transiting exoplanet, but 83 stars cannot represent the whole Pleiades star cluster. Other methods should be used in analysis to gain more accurate results and more stars should be checked to investigate whether or not transiting exoplanets exist in the Pleiades star cluster.

Keywords:

exoplanet, TESS, transiting method

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References

[1]. George R. Ricker, Joshua N. Winn, Roland Vanderspek, et.al. Transiting Exoplanet Survey Satellite. Journal of Astronomical Telescopes, Instruments, and Systems, 1(1):1– 10, 2014.

[2]. Basri, G., Marcy, G. W., & Graham, J. R. (1996). Lithium in brown dwarf candidates: The mass and age of the faintest Pleiades Stars. The Astrophysical Journal, 458, 600. https://doi.org/10.1086/176842

[3]. Guillermo Torres, David W. Latham, and Samuel N. Quinn. Long-term spectroscopic survey of the pleiades cluster: The binary population. The Astrophysical Journal, 921(2):117, 2021.

[4]. Lightkurve Collaboration, J. V. d. M. Cardoso, C. Hedges, M. Gully-Santiago, N. Saunders, A. M. Cody, T. Barclay, O. Hall, S. Sagear, E. Turtelboom, J. Zhang, A. Tzanidakis, K. Mighell, J. Cough- lin, K. Bell, Z. Berta-Thompson, P. Williams, J. Dotson, and G. Barentsen. Lightkurve: Kepler and TESS time series analysis in Python. Astrophysics Source Code Library, December 2018.

[5]. Vizier. vizier.cds.unistra.fr. (n.d.). URL: https://vizier.cds.unistra.fr/

[6]. Ochsenbein F. et. al. The VizieR database of astronomical catalogues.

[7]. Heinrich Eichhorn, William D. Googe, Carl F. Lukac, and J. Kenneth Murphy. Accurate positions of 502 stars in the region of the Pleiades., 73:125, January 1970.

[8]. Abraham. Savitzky and M. J. E. Golay. Smoothing and differentiation of data by simplified least squares procedures. Analytical Chemistry, 36(8):1627–1639, 1964.

[9]. Geza Kovacs, Shay Zucker, and T. Mazeh. A box-fitting algorithm in the search for periodic transits. Astronomy and Astrophysics, 391, 06 2002.

[10]. NASA. (n.d.). Tess Science Support Center. NASA. URL: https://heasarc.gsfc.nasa.gov/docs/tess/Target-Pixel-File-Tutorial.html

Cite this article

Huang,X.;Yan,Y.;Yang,S.;Yuan,M. (2023). Discovering exoplanets in Pleiades with transiting exoplanet survey satellite. Theoretical and Natural Science,5,532-539.

Data availability

The datasets used and/or analyzed during the current study will be available from the authors upon reasonable request.

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About volume

Volume title: Proceedings of the 2nd International Conference on Computing Innovation and Applied Physics (CONF-CIAP 2023)

ISBN：978-1-915371-53-9(Print) / 978-1-915371-54-6(Online)
Editor：Marwan Omar, Roman Bauer
Conference website: https://www.confciap.org/
Conference date: 25 March 2023
Series: Theoretical and Natural Science
Volume number: Vol.5
ISSN：2753-8818(Print) / 2753-8826(Online)

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References

[1]. George R. Ricker, Joshua N. Winn, Roland Vanderspek, et.al. Transiting Exoplanet Survey Satellite. Journal of Astronomical Telescopes, Instruments, and Systems, 1(1):1– 10, 2014.

[2]. Basri, G., Marcy, G. W., & Graham, J. R. (1996). Lithium in brown dwarf candidates: The mass and age of the faintest Pleiades Stars. The Astrophysical Journal, 458, 600. https://doi.org/10.1086/176842

[3]. Guillermo Torres, David W. Latham, and Samuel N. Quinn. Long-term spectroscopic survey of the pleiades cluster: The binary population. The Astrophysical Journal, 921(2):117, 2021.

[4]. Lightkurve Collaboration, J. V. d. M. Cardoso, C. Hedges, M. Gully-Santiago, N. Saunders, A. M. Cody, T. Barclay, O. Hall, S. Sagear, E. Turtelboom, J. Zhang, A. Tzanidakis, K. Mighell, J. Cough- lin, K. Bell, Z. Berta-Thompson, P. Williams, J. Dotson, and G. Barentsen. Lightkurve: Kepler and TESS time series analysis in Python. Astrophysics Source Code Library, December 2018.

[5]. Vizier. vizier.cds.unistra.fr. (n.d.). URL: https://vizier.cds.unistra.fr/

[6]. Ochsenbein F. et. al. The VizieR database of astronomical catalogues.

[7]. Heinrich Eichhorn, William D. Googe, Carl F. Lukac, and J. Kenneth Murphy. Accurate positions of 502 stars in the region of the Pleiades., 73:125, January 1970.

[8]. Abraham. Savitzky and M. J. E. Golay. Smoothing and differentiation of data by simplified least squares procedures. Analytical Chemistry, 36(8):1627–1639, 1964.

[9]. Geza Kovacs, Shay Zucker, and T. Mazeh. A box-fitting algorithm in the search for periodic transits. Astronomy and Astrophysics, 391, 06 2002.

[10]. NASA. (n.d.). Tess Science Support Center. NASA. URL: https://heasarc.gsfc.nasa.gov/docs/tess/Target-Pixel-File-Tutorial.html

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