2004A&A...413..217S


C.D.S. - SIMBAD4 rel 1.7 - 2020.10.28CET21:48:26

2004A&A...413..217S - Astronomy and Astrophysics, volume 413, 217-223 (2004/1-1)

Speckle interferometry of the HAeBe star V376 Cas.

SMITH K.W., BALEGA Y.Y., HOFMANN K.-H., PREIBISCH T., SCHERTL D. and WEIGELT G.

Abstract (from CDS):

We report H- and K'-band speckle interferometric observations of the HAeBe star V376 Cas. Our observations show that the object is partially resolved. The visibility curves suggest three separate components: a large scattering envelope visible only in the H band, a component approximately 100mas in radius, and a component with a Gaussian HWHM of approximately 8±3mas, corresponding to approximately 5AU at 600pc distance, which contributes most of the flux. We compare the smallest structure to the radius of dust sublimation in the radiation field of the star and find that the radius is approximately six times larger than that expected. This may indicate that the inner regions of the system are in fact obscured by a flaring circumstellar disk or torus seen close to edge-on.

Abstract Copyright:

Journal keyword(s): stars: circumstellar matter - stars: formation - stars: individual: V376 Cas

Simbad objects: 8

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Number of rows : 8

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 LDN 1265 DNe 00 09.6 +58 52           ~ 12 0
2 V* V376 Cas Ae* 00 11 26.5610557523 +58 50 03.750169804           A3/F2e 95 1
3 EM* LkHA 101 Em* 04 30 14.438 +35 16 24.03   17.91 15.71 13.33   F 301 1
4 V* HV Tau Or* 04 38 35.2903493114 +26 10 38.646251388           M1Ve 116 0
5 V* FU Ori Or* 05 45 22.3650208559 +09 04 12.296285806   10.72 9.60     F0Iab 719 1
6 EM* MWC 349A * 20 32 45.5290328485 +40 39 36.647044678           ~ 147 0
7 NAME SH 2-140 IRS 1 Y*O 22 19 18.277 +63 18 45.82           ~ 192 0
8 NAME SH 2-140 IRS 3 IR 22 19 19.853 +63 18 48.07           ~ 47 0

    Equat.    Gal    SGal    Ecl

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2020.10.28-21:48:26

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