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Journal Article

The Weakening Outburst of the Young Eruptive Star V582 Aur

MPS-Authors

Zsidi,  G.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Ábrahám,  P.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Acosta-Pulido,  J. A.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Kóspál,  Á.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Kun,  M.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Szabó,  Zs. M.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Bódi,  A.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Cseh,  B.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Castro Segura,  N.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Hanyecz,  O.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Ignácz,  B.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Kalup,  Cs.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Kriskovics,  L.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Mészáros,  L.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Ordasi,  A.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Pál,  A.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Sárneczky,  K.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Seli,  B.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Sódor,  Á.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Szakáts,  R.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

External Resource

https://ui.adsabs.harvard.edu/abs/2019ApJ...873..130Z
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Citation

Zsidi, G., Ábrahám, P., Acosta-Pulido, J. A., Kóspál, Á., Kun, M., Szabó, Z. M., et al. (2019). The Weakening Outburst of the Young Eruptive Star V582 Aur. The Astrophysical Journal, 873.


Cite as: https://hdl.handle.net/21.11116/0000-0005-D1FE-1
Abstract
V582 Aur is a pre-main-sequence FU Orionis type eruptive star, which entered a brightness minimum in 2016 March due to changes in the line- of-sight extinction. Here, we present and analyze new optical B, V, R C , and I C band multiepoch observations and new near-infrared J, H, and K S band photometric measurements from 2018 January-2019 February, as well as publicly available midinfrared Wide-field Infrared Survey Explorer (WISE) data. We found that the source shows a significant optical-near-infrared variability, and the current brightness minimum has not completely finished yet. If the present dimming originates from the same orbiting dust clump that caused a similar brightness variation in 2012, then our results suggest a viscous spreading of the dust particles along the orbit. Another scenario is that the current minimum is caused by a dust structure, that is entering and leaving the inner part of the system. The WISE measurements could be consistent with this scenario. Our long- term data, as well as an accretion disk modeling hint at a general fading of V582 Aur, suggesting that the source will reach the quiescent level in ~80 yr.