NEW X-RAY-SELECTED PRE-MAIN-SEQUENCE MEMBERS OF THE SERPENS MOLECULAR CLOUD
نویسندگان
چکیده
منابع مشابه
Coronal abundances of X-ray bright pre-main sequence stars in the Taurus Molecular Cloud
Aims. We studied the thermal properties and chemical composition of the X-ray emitting plasma of a sample of bright members of the Taurus Molecular Cloud to investigate possible differences among classical and weak-lined T Tauri stars and possible dependences of the abundances on the stellar activity level and/or on the presence of accretion/circumstellar material. Methods. We used medium-resol...
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Context. This work is part of a systematic X-ray survey of the Taurus star forming complex with XMM-Newton. Aims. We study the time series of all X-ray sources associated with Taurus members, to statistically characterize their X-ray variability, and compare the results to those for pre-main sequence stars in the Orion Nebula Cluster and to expectations arising from a model where all the X-ray ...
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In this Letter we examine the idea that a subset of short-period black-hole low-mass X-ray binaries could be powered by the mass transfer from pre-main sequence donors. As the star contracts towards the main sequence, the strong magnetic fields operate the magnetic braking which dissipates the orbital angular momentum, driving the binary to contact. We show that the periods and apparent donor s...
متن کاملX-ray Properties of Low-mass Pre-main Sequence Stars in the Orion Trapezium Cluster
The Chandra HETG Orion Legacy Project (HOLP) is the first comprehensive set of observations of a very young massive stellar cluster that provides high-resolution X-ray spectra of very young stars over a wide mass range (0.7–2.3 M). In this paper, we focus on the six brightest X-ray sources with T Tauri stellar counterparts that are well-characterized at optical and infrared wavelengths. All st...
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ژورنال
عنوان ژورنال: The Astronomical Journal
سال: 2013
ISSN: 0004-6256,1538-3881
DOI: 10.1088/0004-6256/146/5/105