Episodic accretion in focus: Revealing the environment of FU Orionis-type stars

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Standard

Episodic accretion in focus : Revealing the environment of FU Orionis-type stars. / Fehér, O.; Kóspál; Ábrahám, P.; Hogerheijde, M. R.; Brinch, Ch; Semenov, D.; Elmegreen, Bruce G.; Tóth, L. Viktor; Güdel, Manuel.

In: Proceedings of the International Astronomical Union, Vol. 359, 13.01.2020, p. 87-90.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Fehér, O, Kóspál, Ábrahám, P, Hogerheijde, MR, Brinch, C, Semenov, D, Elmegreen, BG, Tóth, LV & Güdel, M 2020, 'Episodic accretion in focus: Revealing the environment of FU Orionis-type stars', Proceedings of the International Astronomical Union, vol. 359, pp. 87-90. https://doi.org/10.1017/S1743921319002060

APA

Fehér, O., Kóspál, Ábrahám, P., Hogerheijde, M. R., Brinch, C., Semenov, D., Elmegreen, B. G., Tóth, L. V., & Güdel, M. (2020). Episodic accretion in focus: Revealing the environment of FU Orionis-type stars. Proceedings of the International Astronomical Union, 359, 87-90. https://doi.org/10.1017/S1743921319002060

Vancouver

Fehér O, Kóspál, Ábrahám P, Hogerheijde MR, Brinch C, Semenov D et al. Episodic accretion in focus: Revealing the environment of FU Orionis-type stars. Proceedings of the International Astronomical Union. 2020 Jan 13;359:87-90. https://doi.org/10.1017/S1743921319002060

Author

Fehér, O. ; Kóspál ; Ábrahám, P. ; Hogerheijde, M. R. ; Brinch, Ch ; Semenov, D. ; Elmegreen, Bruce G. ; Tóth, L. Viktor ; Güdel, Manuel. / Episodic accretion in focus : Revealing the environment of FU Orionis-type stars. In: Proceedings of the International Astronomical Union. 2020 ; Vol. 359. pp. 87-90.

Bibtex

@article{3bb98dfe78c4425eb8133a9eb06954dc,
title = "Episodic accretion in focus: Revealing the environment of FU Orionis-type stars",
abstract = "The earliest phases of star formation are characterised by intense mass accretion from the circumstellar disk to the central star. One group of young stellar objects, the FU Orionis-type stars exhibit accretion rate peaks accompanied by bright eruptions. The occurance of these outbursts might solve the luminosity problem of protostars, play a key role in accumulating the final star mass, and have a significant effect on the parameters of the envelope and the disk. In the framework of the Structured Accretion Disks ERC project, we are conducting a systematic investigation of these sources with millimeter interferometry to examine whether they represent normal young stars in exceptional times or they are unusual objects. Our results show that FU Orionis-type stars can be similar to both Class I and Class II systems and may be in a special evolutionary phase between the two classes with their infall-driven episodic eruptions being the main driving force of the transition.",
keywords = "circumstellar matter, molecular data, stars: Pre-main-sequence",
author = "O. Feh{\'e}r and K{\'o}sp{\'a}l and P. {\'A}brah{\'a}m and Hogerheijde, {M. R.} and Ch Brinch and D. Semenov and Elmegreen, {Bruce G.} and T{\'o}th, {L. Viktor} and Manuel G{\"u}del",
note = "Publisher Copyright: {\textcopyright} 2020 International Astronomical Union.",
year = "2020",
month = jan,
day = "13",
doi = "10.1017/S1743921319002060",
language = "English",
volume = "359",
pages = "87--90",
journal = "Proceedings of the International Astronomical Union",
issn = "1743-9213",
publisher = "Cambridge University Press",

}

RIS

TY - JOUR

T1 - Episodic accretion in focus

T2 - Revealing the environment of FU Orionis-type stars

AU - Fehér, O.

AU - Kóspál, null

AU - Ábrahám, P.

AU - Hogerheijde, M. R.

AU - Brinch, Ch

AU - Semenov, D.

AU - Elmegreen, Bruce G.

AU - Tóth, L. Viktor

AU - Güdel, Manuel

N1 - Publisher Copyright: © 2020 International Astronomical Union.

PY - 2020/1/13

Y1 - 2020/1/13

N2 - The earliest phases of star formation are characterised by intense mass accretion from the circumstellar disk to the central star. One group of young stellar objects, the FU Orionis-type stars exhibit accretion rate peaks accompanied by bright eruptions. The occurance of these outbursts might solve the luminosity problem of protostars, play a key role in accumulating the final star mass, and have a significant effect on the parameters of the envelope and the disk. In the framework of the Structured Accretion Disks ERC project, we are conducting a systematic investigation of these sources with millimeter interferometry to examine whether they represent normal young stars in exceptional times or they are unusual objects. Our results show that FU Orionis-type stars can be similar to both Class I and Class II systems and may be in a special evolutionary phase between the two classes with their infall-driven episodic eruptions being the main driving force of the transition.

AB - The earliest phases of star formation are characterised by intense mass accretion from the circumstellar disk to the central star. One group of young stellar objects, the FU Orionis-type stars exhibit accretion rate peaks accompanied by bright eruptions. The occurance of these outbursts might solve the luminosity problem of protostars, play a key role in accumulating the final star mass, and have a significant effect on the parameters of the envelope and the disk. In the framework of the Structured Accretion Disks ERC project, we are conducting a systematic investigation of these sources with millimeter interferometry to examine whether they represent normal young stars in exceptional times or they are unusual objects. Our results show that FU Orionis-type stars can be similar to both Class I and Class II systems and may be in a special evolutionary phase between the two classes with their infall-driven episodic eruptions being the main driving force of the transition.

KW - circumstellar matter

KW - molecular data

KW - stars: Pre-main-sequence

U2 - 10.1017/S1743921319002060

DO - 10.1017/S1743921319002060

M3 - Journal article

AN - SCOPUS:85077859319

VL - 359

SP - 87

EP - 90

JO - Proceedings of the International Astronomical Union

JF - Proceedings of the International Astronomical Union

SN - 1743-9213

ER -

ID: 269667994