A “tsunami” in the protoplanetary disk of SV Cep

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A “tsunami” in the protoplanetary disk of SV Cep. / Shenavrin, V. I.; Grinin, V. P.; Rostopchina-Shakhovskaya, A. N.; Demidova, T. V.; Shakhovskoi, D. N.; Belan, S. P.

In: Astronomy Reports, Vol. 61, No. 1, 01.01.2017, p. 38-46.

Research output: Contribution to journal › Article › peer-review

Harvard

Shenavrin, VI, Grinin, VP, Rostopchina-Shakhovskaya, AN, Demidova, TV, Shakhovskoi, DN & Belan, SP 2017, 'A “tsunami” in the protoplanetary disk of SV Cep', Astronomy Reports, vol. 61, no. 1, pp. 38-46. https://doi.org/10.1134/S1063772916120040

APA

Shenavrin, V. I., Grinin, V. P., Rostopchina-Shakhovskaya, A. N., Demidova, T. V., Shakhovskoi, D. N., & Belan, S. P. (2017). A “tsunami” in the protoplanetary disk of SV Cep. Astronomy Reports, 61(1), 38-46. https://doi.org/10.1134/S1063772916120040

Vancouver

Shenavrin VI, Grinin VP, Rostopchina-Shakhovskaya AN, Demidova TV, Shakhovskoi DN, Belan SP. A “tsunami” in the protoplanetary disk of SV Cep. Astronomy Reports. 2017 Jan 1;61(1):38-46. https://doi.org/10.1134/S1063772916120040

Author

Shenavrin, V. I. ; Grinin, V. P. ; Rostopchina-Shakhovskaya, A. N. ; Demidova, T. V. ; Shakhovskoi, D. N. ; Belan, S. P. / A “tsunami” in the protoplanetary disk of SV Cep. In: Astronomy Reports. 2017 ; Vol. 61, No. 1. pp. 38-46.

BibTeX

@article{ad5de4861fd044f58d678bcaba801dae,

title = "A “tsunami” in the protoplanetary disk of SV Cep",

abstract = "The results of ~15 years of photometric observations of the UX Ori star SV Cep in the near-infrared (JHKL) are presented. They demonstrate the presence of a cyclic component with a period of ~7 years in the variations of the IR fluxes. This is clearly seen in all four IR bands, but is absent in the optical. The variation amplitude is highest in the K band: ΔK ≈ 0.68m. The shape of the variations differs slightly in the transition from J to L. However, it is reproduced with good accuracy during two cycles, suggesting a periodic process is observed. If the periodic perturbations in the circumstellar disk of SV Cep are due to a companion{\textquoteright}s orbitalmotion, the orbital semi-major axis should be ~5AU, foramass of SVCep of 2.6M⊙. The absence of a seven-year period in the optical light curve of SV Cep means that the observed period cannot be due to variations in the circumstellar extinction. The IR brightness variations could be due to the companion{\textquoteright}s motion along an eccentric orbit, resulting in a periodic modulation of the rate of accretion onto the star.",

author = "Shenavrin, {V. I.} and Grinin, {V. P.} and Rostopchina-Shakhovskaya, {A. N.} and Demidova, {T. V.} and Shakhovskoi, {D. N.} and Belan, {S. P.}",

note = "Publisher Copyright: {\textcopyright} 2017, Pleiades Publishing, Ltd.",

year = "2017",

month = jan,

day = "1",

doi = "10.1134/S1063772916120040",

language = "English",

volume = "61",

pages = "38--46",

journal = "Astronomy Reports",

issn = "1063-7729",

publisher = "МАИК {"}Наука/Интерпериодика{"}",

number = "1",

}

RIS

TY - JOUR

T1 - A “tsunami” in the protoplanetary disk of SV Cep

AU - Shenavrin, V. I.

AU - Grinin, V. P.

AU - Rostopchina-Shakhovskaya, A. N.

AU - Demidova, T. V.

AU - Shakhovskoi, D. N.

AU - Belan, S. P.

PY - 2017/1/1

Y1 - 2017/1/1

N2 - The results of ~15 years of photometric observations of the UX Ori star SV Cep in the near-infrared (JHKL) are presented. They demonstrate the presence of a cyclic component with a period of ~7 years in the variations of the IR fluxes. This is clearly seen in all four IR bands, but is absent in the optical. The variation amplitude is highest in the K band: ΔK ≈ 0.68m. The shape of the variations differs slightly in the transition from J to L. However, it is reproduced with good accuracy during two cycles, suggesting a periodic process is observed. If the periodic perturbations in the circumstellar disk of SV Cep are due to a companion’s orbitalmotion, the orbital semi-major axis should be ~5AU, foramass of SVCep of 2.6M⊙. The absence of a seven-year period in the optical light curve of SV Cep means that the observed period cannot be due to variations in the circumstellar extinction. The IR brightness variations could be due to the companion’s motion along an eccentric orbit, resulting in a periodic modulation of the rate of accretion onto the star.

AB - The results of ~15 years of photometric observations of the UX Ori star SV Cep in the near-infrared (JHKL) are presented. They demonstrate the presence of a cyclic component with a period of ~7 years in the variations of the IR fluxes. This is clearly seen in all four IR bands, but is absent in the optical. The variation amplitude is highest in the K band: ΔK ≈ 0.68m. The shape of the variations differs slightly in the transition from J to L. However, it is reproduced with good accuracy during two cycles, suggesting a periodic process is observed. If the periodic perturbations in the circumstellar disk of SV Cep are due to a companion’s orbitalmotion, the orbital semi-major axis should be ~5AU, foramass of SVCep of 2.6M⊙. The absence of a seven-year period in the optical light curve of SV Cep means that the observed period cannot be due to variations in the circumstellar extinction. The IR brightness variations could be due to the companion’s motion along an eccentric orbit, resulting in a periodic modulation of the rate of accretion onto the star.

UR - http://www.scopus.com/inward/record.url?scp=85013288094&partnerID=8YFLogxK

U2 - 10.1134/S1063772916120040

DO - 10.1134/S1063772916120040

M3 - Article

AN - SCOPUS:85013288094

VL - 61

SP - 38

EP - 46

JO - Astronomy Reports

JF - Astronomy Reports

SN - 1063-7729

IS - 1

ER -

ID: 94870836