Repeating Outbursts from the Young Stellar Object Gaia23bab (= SPICY 97589)

Michael A. Kuhn; Robert A. Benjamin; Emille E. O. Ishida; Rafael S. de Souza; Julien Peloton; Michele Delli Veneri

Repeating Outbursts from the Young Stellar Object Gaia23bab (= SPICY 97589)

Solar and Stellar Astrophysics 2023-03-17 v1

Authors: Michael A. Kuhn , Robert A. Benjamin , Emille E. O. Ishida , Rafael S. de Souza , Julien Peloton , Michele Delli Veneri

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Abstract

The light curve of Gaia23bab (= SPICY 97589) shows two significant ( $\Delta G>2$ mag) brightening events, one in 2017 and an ongoing event starting in 2022. The source's quiescent spectral energy distribution indicates an embedded ( $A_V>5$ mag) pre-main-sequence star, with optical accretion emission and mid-infrared disk emission. This characterization is supported by the source's membership in an embedded cluster in the star-forming cloud DOBASHI 1604 at a distance of $900\pm45$ ~pc. Thus, the brightening events are probable accretion outbursts, likely of EX Lup-type.

Keywords

young stellar object accretion outburst light curve pre-main-sequence star embedded cluster

Cite

@article{arxiv.2303.09409,
  title  = {Repeating Outbursts from the Young Stellar Object Gaia23bab (= SPICY 97589)},
  author = {Michael A. Kuhn and Robert A. Benjamin and Emille E. O. Ishida and Rafael S. de Souza and Julien Peloton and Michele Delli Veneri},
  journal= {arXiv preprint arXiv:2303.09409},
  year   = {2023}
}

Comments

4 pages and 1 figure. Submitted to Research Notes of the AAS

Repeating Outbursts from the Young Stellar Object Gaia23bab (= SPICY 97589)

Abstract

Keywords

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