Sign on

SAO/NASA ADS Astronomy Abstract Service


· Find Similar Abstracts (with default settings below)
· Electronic Refereed Journal Article (HTML)
· Full Refereed Journal Article (PDF/Postscript)
· arXiv e-print (arXiv:astro-ph/0602352)
· References in the article
· Citations to the Article (12) (Citation History)
· Refereed Citations to the Article
· SIMBAD Objects (3)
· Also-Read Articles (Reads History)
·
· Translate This Page
Title:
The Orbit and Occultations of KH 15D
Authors:
Winn, Joshua N.; Hamilton, Catrina M.; Herbst, William J.; Hoffman, Jennifer L.; Holman, Matthew J.; Johnson, John A.; Kuchner, Marc J.
Affiliation:
AA(Harvard-Smithsonian Center for Astrophysics, Mail Stop 51, 60 Garden Street, Cambridge, MA 02138.; Hubble Fellow.; Current address: Department of Physics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139.), AB(Astronomy Department, Mount Holyoke College, 50 College Street, South Hadley, MA 01075.; Five College Astronomy Department, University of Massachusetts, Amherst, MA 01003.), AC(Van Vleck Observatory, Wesleyan University, Middletown, CT 06459.), AD(Department of Astronomy, Mail Code 3411, University of California, Berkeley, CA 94720.), AE(Harvard-Smithsonian Center for Astrophysics, Mail Stop 51, 60 Garden Street, Cambridge, MA 02138.), AF(Department of Astronomy, Mail Code 3411, University of California, Berkeley, CA 94720.), AG(NASA Goddard Space Flight Center, Greenbelt, MD 20771.)
Publication:
The Astrophysical Journal, Volume 644, Issue 1, pp. 510-524. (ApJ Homepage)
Publication Date:
06/2006
Origin:
UCP
ApJ Keywords:
Stars: Circumstellar Matter, Galaxy: Open Clusters and Associations: Individual: NGC Number: NGC 2264, Stars: Individual: Alphanumeric: KH 15D, Stars: Pre-Main-Sequence
DOI:
10.1086/503417
Bibliographic Code:
2006ApJ...644..510W

Abstract

The unusual flux variations of the pre-main-sequence binary star KH 15D have been attributed to occultations by a circumbinary disk. We test whether or not this theory is compatible with newly available data, including recent radial velocity measurements, CCD photometry over the past decade, and photographic photometry over the past 50 years. We find the model to be successful, after two refinements: a more realistic motion of the occulting feature and a halo around each star that probably represents scattering by the disk. The occulting feature is exceptionally sharp edged, raising the possibility that the dust in the disk has settled into a thin layer and providing a tool for fine-scale mapping of the immediate environment of a T Tauri star. However, the window of opportunity is closing, as the currently visible star may be hidden at all orbital phases by as early as 2008.
Bibtex entry for this abstract   Preferred format for this abstract (see Preferences)

   

Find Similar Abstracts:

Use: Authors
Title
Keywords (in text query field)
Abstract Text
Return: Query Results Return    items starting with number
Query Form
Database: Astronomy
Physics
arXiv e-prints