A near-infrared spectroscopic survey of fu orionis objects
MS Connelley, B Reipurth - The Astrophysical Journal, 2018 - iopscience.iop.org
We have conducted a homogeneous near-infrared (near-IR) spectroscopic survey of 33
objects with varying degrees of similarity to FU Orionis. Common spectroscopic features that …
objects with varying degrees of similarity to FU Orionis. Common spectroscopic features that …
Gaia21bty: An EXor light curve exhibiting a FUor spectrum
Gaia21bty, a pre-main-sequence star that previously had shown aperiodic dips in its light
curve, underwent a considerable Δ G≈ 2.9 mag brightening that occurred over a few …
curve, underwent a considerable Δ G≈ 2.9 mag brightening that occurred over a few …
Gaia 17bpi: An FU Ori–type Outburst
LA Hillenbrand, CC Peña, S Morrell… - The Astrophysical …, 2018 - iopscience.iop.org
We report on the source Gaia 17bpi and identify it as a new, ongoing FU Ori–type outburst,
associated with a young stellar object. The optical light curve from Gaia exhibited a 3.5 mag …
associated with a young stellar object. The optical light curve from Gaia exhibited a 3.5 mag …
Distinguishing between different mechanisms of FU-Orionis-type luminosity outbursts
Aims. Accretion and luminosity bursts can be triggered by three distinct mechanisms: the
magnetorotational instability (MRI) in the inner disk regions, clump infall in gravitationally …
magnetorotational instability (MRI) in the inner disk regions, clump infall in gravitationally …
Determining the recurrence time-scale of long-lasting YSO outbursts
C Contreras Peña, T Naylor… - Monthly Notices of the …, 2019 - academic.oup.com
We have determined the rate of large accretion events in Class I and II young stellar objects
(YSOs) by comparing the all-sky digitized photographic plate surveys provided by …
(YSOs) by comparing the all-sky digitized photographic plate surveys provided by …
The outburst and nature of two young eruptive stars in the North America/Pelican Nebula Complex
Á Kóspál, P Ábrahám, JA Acosta-Pulido… - Astronomy & …, 2011 - aanda.org
Context. The sudden optical brightening of two young stellar objects, HBC 722 and VSX
J205126. 1+ 440523, located in the North America/Pelican Nebula Complex, was …
J205126. 1+ 440523, located in the North America/Pelican Nebula Complex, was …
Evidence for an FU Orionis-like outburst from a classical T Tauri star
AA Miller, LA Hillenbrand, KR Covey… - The Astrophysical …, 2011 - iopscience.iop.org
We present pre-and post-outburst observations of the new FU Orionis-like young stellar
object PTF 10qpf (also known as LkHα 188-G4 and HBC 722). Prior to this outburst, LkHα …
object PTF 10qpf (also known as LkHα 188-G4 and HBC 722). Prior to this outburst, LkHα …
Application of a Steady-state Accretion Disk Model to Spectrophotometry and High-resolution Spectra of Two Recent FU Ori Outbursts
AC Rodriguez, LA Hillenbrand - The Astrophysical Journal, 2022 - iopscience.iop.org
We apply a conventional accretion disk model to the FU Ori–type objects HBC 722 and Gaia
17bpi. Our base model is a steady-state, thin Keplerian disk featuring a modified Shakura …
17bpi. Our base model is a steady-state, thin Keplerian disk featuring a modified Shakura …
Global 3D radiation magnetohydrodynamic simulations for FU Ori's accretion disc and observational signatures of magnetic fields
ABSTRACT FU Ori is the prototype of FU Orionis systems that are outbursting protoplanetary
discs. Magnetic fields in FU Ori's accretion discs have previously been detected using …
discs. Magnetic fields in FU Ori's accretion discs have previously been detected using …
The First Extensive Spectroscopic Study of Young Stars in the North America and Pelican Nebulae
M Fang, LA Hillenbrand, JS Kim… - The Astrophysical …, 2020 - iopscience.iop.org
We present a spectroscopic survey of over 3400 potential members in the North America
and Pelican Nebulae (NAP) using several low-resolution (R≈ 1300–2000) spectrographs …
and Pelican Nebulae (NAP) using several low-resolution (R≈ 1300–2000) spectrographs …