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Home The enigmatic young object: Walker 90/V590 Monocerotis

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The enigmatic young object: Walker 90/V590 Monocerotis

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Permanent URL	http://hdl.lib.byu.edu/1877/1385
Title	The enigmatic young object: Walker 90/V590 Monocerotis
BYU Creator	Joner, M. D.
Creator	Perez, M. R. McCollum, B. van dend Ancker, M. E.
Keywords	stars; pre-main sequence; evolution; emission-line; planetary systems; protoplanetary disks
Description/Abstract	Aims. We assess the evolutionary status of the intriguing object Walker 90/V590 Mon, which is located about 20 arcmin northwest of the Cone Nebula near the center of the open cluster NGC 2264. This object, according to its most recent optical spectral type determination (B7), which we confirmed, is at least 3 mag too faint in V for the cluster distance, but it shows the classical signs of a young pre-main sequence object, such as highly variable H emission, Mg II emission, IR excess, UV continuum, and optical variability. Methods. We analyzed a collection of archival and original data on Walker 90, covering 45 years including photometry, imaging, and spectroscopic data ranging from ultraviolet to near-infrared wavelengths.
Source	Astronomy & Astrophysics, 486 2 (2008) 533-544;
Publisher	EDP Sciences
Date Original	2008-05-17
Language	English eng en
Publication Type	Articles
Type	Text
Format	application/pdf
Owning Institution	Brigham Young University
BYU College	College of Physical and Mathematical Sciences
BYU Department	Physics and Astronomy
Copyright Status	(c) ESO 2008;
Copyright Use Information	http://www.lib.byu.edu/generic_copyright.html

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