SIMBAD references

2014ApJ...788...41D - Astrophys. J., 788, 41 (2014/June-2)

OGLE-LMC-ECL-11893: the discovery of a long-period eclipsing binary with a circumstellar disk.

DONG S., KATZ B., PRIETO J.L., UDALSKI A., KOZLOWSKI S., STREET R.A., BRAMICH D.M., TSAPRAS Y., HUNDERTMARK M., SNODGRASS C., HORNE K., DOMINIK M. and FIGUERA JAIMES R.

Abstract (from CDS):

We report the serendipitous discovery of a disk-eclipse system OGLE-LMC-ECL-11893. The eclipse occurs with a period of 468 days, a duration of about 15 days, and a deep (up to ΔmI~ 1.5), peculiar, and asymmetric profile. A possible origin of such an eclipse profile involves a circumstellar disk. The presence of the disk is confirmed by the H-α line profile from the follow-up spectroscopic observations, and the star is identified as Be/Ae type. Unlike the previously known disk-eclipse candidates, the eclipses of OGLE-LMC-ECL-11893 retain the same shape throughout the span of ∼17 yr (13 orbital periods), indicating no measurable orbital precession of the disk.

Abstract Copyright: ∼

Journal keyword(s): binaries: eclipsing - circumstellar matter - stars: individual: OGLE LMC-ECL-11893 - stars: variables: T Tauri, Herbig Ae/Be

VizieR on-line data: <Available at CDS (J/ApJ/788/41): table1.dat>

Simbad objects: 8

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