A Submillimeter Burst of S255IR~SMA1 - The Rise And Fall Of Its Luminosity

Abstract

Temporal photometric variations at near infrared to submillimeter wavelengths have been found in low-mass young stellar objects. These phenomena are generally interpreted as accretion events of star-disk systems with varying accretion rates. There is growing evidence suggesting that similar luminosity flaring also occurs in high-mass star/cluster-forming regions. We report in this Letter the rise and fall of the 900 $\mu$m continuum emission and the newly found 349.1 GHz methanol maser emission in the massive star forming region S255IR~SMA1 observed with the Submillimeter Array and the Atacama Large Millimeter/submillimeter Array. The level of flux variation at a factor of $\sim$ 2 at the submillimeter band and the relatively short 2-year duration of this burst suggest that the event is probably similar to those milder and more frequent minor bursts seen in 3D numerical simulations.

arXiv comment8 pages, 4 figures, Accepted for publication in The Astrophysical Journal Letter

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Cited by in corpus (25)

• Quantifying Variability of YSOs in the Mid-IR Over Six Years with NEOWISE
• Formation and Evolution of Disks around Young Stellar Objects
• Chronology of Episodic Accretion in Protostars -- an ALMA survey of the CO and H${}_2$O snowlines
• Sub-arcsecond (sub)millimeter imaging of the massive protocluster G358.93-0.03: Discovery of 14 new methanol maser lines associated with a hot core
• Detection of new methanol maser transitions associated with G358.93-0.03
• M17 MIR: A massive protostar with multiple accretion Outbursts
• ALMA View of the Infalling Envelope around a Massive Protostar in S255IR SMA1
• Radiative Transfer modeling of EC 53: An Episodically Accreting Class I Young Stellar Object
• Evolution of dust in protoplanetary disks of eruptive stars
• The Extraordinary Outburst in the Massive Protostellar System NGC6334I-MM1: Strong Increase in Mid-Infrared Continuum Emission
• The circumstellar environment around the embedded protostar EC 53
• Accretion bursts in high-mass protostars: a new testbed for models of episodic accretion
• Dense Cores, Filaments and Outflows in the S255IR Region of High Mass Star Formation
• Water maser variability in a high-mass YSO outburst -- VERA and ALMA observations of S255 NIRS 3
• Modeling snowline locations in protostars: The impact of the structure of protostellar cloud cores
• The burst mode of accretion in massive star formation with stellar inertia
• A Multi-Epoch Study of Radio Continuum Emission from MassiveProtostars
• Ammonia mapping observations toward the Galactic massive star-forming region Sh 2-255 and Sh 2-257
• The methanol emission in the $J_1-J_0$ A${}^{-+}$ line series as a tracer of specific physical conditions in high-mass star-forming regions
• K-band High-Resolution Spectroscopy of Embedded Massive Protostars
• Fine structure and kinematics of the ionized and molecular gas in the jet and disk around S255IR NIRS3 from high resolution ALMA observations
• Spectral survey of a Hot core with an Eruptive Accretion in S255IR NIRS3 (SHEA): The discovery of class I and class II millimeter methanol maser transitions
• Imaging Molecular Outflow in Massive Star-forming Regions with HNCO Lines
• Study of the high-mass star-forming region S255IR at various scales
• Infrared observations of the flaring maser source G358.93-0.03 -- SOFIA confirms an accretion burst from a massive young stellar object