2003A&A...408.1047R


C.D.S. - SIMBAD4 rel 1.7 - 2019.07.17CEST05:24:43

2003A&A...408.1047R - Astronomy and Astrophysics, volume 408, 1047-1055 (2003/9-4)

Multisite observations of the PMS δ Scuti star V351 Ori.

RIPEPI V., MARCONI M., BERNABEI S., PALLA F., PINHEIRO F.J.G., FOLHA D.F.M., OSWALT T.D., TERRANEGRA L., ARELLANO FERRO A., JIANG X.J., ALCALA J.M., MARINONI S., MONTEIRO M.J.P.F.G., RUDKIN M. and JOHNSTON K.

Abstract (from CDS):

We present the results of multisite observations spanning two years on the pre-main-sequence (PMS) star V351 Ori. A total of around 180 hours of observations over 29 nights have been collected, allowing us to measure five different periodicities, most likely related to the δ Scuti variability of V351 Ori. Comparison with the predictions of linear nonadiabatic radial pulsation models put stringent constraints on the stellar parameters and indicate that the distance to V351 Ori is intermediate between the lower limit measured by Hipparcos (210pc) and that of the Orion Nebula (450pc). However, radial pulsation models are unable to reproduce all of the observed frequencies with a single choice of (M*, L*, and Teff), suggesting the presence of additional nonradial modes.

Abstract Copyright:

Journal keyword(s): stars: variables: δ Scuti - stars: oscillations - stars: pre-main sequence - stars: fundamental parameters - stars: individual: V351 Ori

Simbad objects: 5

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Number of rows : 5

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 HD 290826 * 05 44 00.3749985443 +00 15 33.454439126   10.76 10.35     F5 3 0
2 V* V351 Ori Ae* 05 44 18.7949420603 +00 08 40.411665342 9.44 9.22 8.87     A7V 96 0
3 HD 38248 Pu* 05 44 23.8000767227 +00 05 08.251245812   9.31 9.00     A9V 8 0
4 V* DX Cha Ae* 12 00 05.0870448691 -78 11 34.559255151   6.81 6.60     A0_sh 294 0
5 V* V856 Sco dS* 16 08 34.28684 -39 06 18.3278 7.66 7.41 7.05 6.92   A7 339 1

    Equat.    Gal    SGal    Ecl

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2019.07.17-05:24:43

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