CCD Photometry, Light Curve Modeling and Period Analysis of the Overcontact Eclipsing Binary BN Ari

• Autorzy: Alton K. B. , Nelson R. H. , Boyd D. R. S.

Identyfikatory

DOI

10.32023/0001-5237/68.2.5

• Języki publikacji: EN

Abstrakty

EN

We present photometric and spectroscopic data of BN Ari, a totally eclipsing variable star. 15 new times-of-minimum have been determined. These along with other published eclipse timings were used to update the linear ephemeris and evaluate changes in orbital periodicity. Radial velocity data along with a definitive classification spectrum are reported for the first time. Simultaneous modeling of multicolor light curves and radial velocity data was accomplished using the Wilson-Devinney code with optimization by differential corrections. The weight of evidence from evaluating both the eclipse timing differences and light curve modeling indicates that BN Ari is most likely a triple system.

Słowa kluczowe

EN

binaries: eclipsing; binaries: close; stars: individual: BN Ari

• Wydawca: Copernicus Foundation for Polish Astronomy
• Czasopismo: Acta Astronomica
• Rocznik: 2018
• Tom: Vol. 68, No. 2
• Strony: 159--181
• Opis fizyczny: Bibliogr. 52 poz., rys., tab., wykr.

Twórcy

autor

Alton K. B.

• UnderOak Observatory, Cedar Knolls, NJ 07927, USA

autor

Nelson R. H.

• Mountain Ash Observatory, 1393 Garvin Street, Prince George, BC, V2M 3Z1, Canada
• Guest Investigator, Dominion Astrophysical Observatory, Herzberg Institute of Astrophysics, National Research Council of Canada

autor

Boyd D. R. S.

• British Astronomical Association Variable Star Section West Challow Observatory, 5 Silver Lane,, Wantage OX12 9TX, United Kingdom

Bibliografia

• Alton, K.B. 2016, JAAVSO, 44, 87.
• Amôres, E.B., and Lépine, J.R.D. 2005, AJ, 130, 659.
• Applegate, J.H. 1992, ApJ, 385, 621.
• Bradstreet, D.H., and Steelman, D.P. 2002, Bull. AAS, 34, 1224.
• Bradstreet, D.H. 2005, Society for Astronomical Sciences Annual Symposium, 24, 23.
• Brown, A.G.A., et al. 2018, arXiv:1804.09365.
• Diethelm, R. 2011, IBVS, 5960.
• Diethelm, R. 2012, IBVS, 6011.
• Eggleton, P.P. 1983, ApJ, 268, 368.
• Harris, A.W., et al. 1989, Icarus, 77, 171.
• Hoňková, K., et al. 2013, Open European Journal on Variable stars, 160. Hübscher, J. 2014, IBVS, 6118.
• Hübscher, J. 2015, IBVS, 6152.
• Hübscher, J., and Lehmann, P.B. 2013, IBVS, 6070.
• Irwin, J.B. 1959, AJ, 64, 149.
• Kallrath, J and Milone, E.F. 1999, in: “Eclipsing Binary Stars: Modeling and Analysis”, SpringerNew York.
• Kwee, K.K., and Woerden, H. van 1956, Bulletin of the Astronomical Institutes of the Netherlands, 12, 327.
• Kurucz, R.L. 2002, Baltic Astronomy, 11, 101.
• Lanza, A.F., and Rodonò, M. 1999, A&A, 349, 887.
• Lucy, L.B. 1967, Zeitschrift für Astrophysik, 65, 89.
• Mateo, N.M., and Ruciński, S.M. 2017, AJ, 154, 125.
• Michaels, E.J. 2015, JAAVSO, 43, 231.
• Nagai, K. 2012, VSOLJ Variable Star Bulletin, 53, 2.
• Nagai, K. 2013, VSOLJ Variable Star Bulletin, 55, 2.
• Nagai, K. 2014, VSOLJ Variable Star Bulletin, 56, 1.
• Nagai, K. 2016, VSOLJ Variable Star Bulletin, 61, 1.
• Nelson, R.H. 2010, in: ”Spectroscopy for Eclipsing Binary Analysis in The Alt-Az Initiative”, Collins Foundation Press, Santa Margarita, CA, Eds. R.M. Genet, J.M. Johnson and V. Wallen.
• Nelson, R.H. 2011, IBVS, 5966.
• Nelson, R.H. 2012, IBVS, 6018.
• Nelson, R.H. 2017, IBVS, 6195.
• Otero, S.A, Wils, P., and Dubovsky, P.A. 2004, IBVS, 5570.
• Paschke, A. 2009, Open European Journal on Variable Stars, 116.
• Paschke, A. 2011, Open European Journal on Variable Stars, 142.
• Paschke, A. 2013, Open European Journal on Variable Stars, 155.
• Pecaut, M.J., and Mamajek, E.E. 2013, ApJS, 208, 9.
• Pickles, A.J. 1998, PASP, 110, 863.
• Pojmański, G., Pilecki, B., and Szczygiel, D. 2005, Acta Astron., 55, 275.
• Pribulla, T., and Rucinski, S.M. 2006, AJ, 13, 2986.
• Prša, A., and Zwitter, T. 2005, ApJ, 628, 426.
• Prusti, T., et al. 2016, A&A, 595, A1.
• Ruciński, S.M. 1969, Acta Astron., 19, 245.
• Ruciński, S.M. 2004, IAU Symposium, 215, 17.
• Samolyk, G. 2016, JAAVSO, 44, 69.
• Sánchez-Blázquez, P., et al. 2006, MNRAS, 371, 703.
• Schwarzenberg-Czerny, A. 1996, ApJ, 460, L107.
• van Hamme, W. 1993, AJ, 106, 2096.
• Warner, B.D. 2007, Minor Planet Bulletin, 34, 113.
• Wilson, R.E. 1979, ApJ, 234, 1054.
• Wilson, R.E. 1990, ApJ, 356, 613.
• Wilson, R.E., and Devinney, E.J. 1971, ApJ, 166, 605.
• Woźniak, P.R., et al. 2004, AJ, 127, 2436.
• Yakut, K., and Eggleton, P.P. 2005, ApJ, 629, 1055.
• Zasche, P., Liakos, A., Niarchos, P., Wolf, M., Manimanis, V., and Gazeas, K. 2009, New Astronomy, 14, 121.

Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).