SIMBAD references

2022MNRAS.517..356K - Mon. Not. R. Astron. Soc., 517, 356-373 (2022/November-3)

Detection of 2460 double-lined spectroscopic binary candidates in the LAMOST-MRS using projected rotational velocities and a binary spectral model.

KOVALEV M., CHEN X. and HAN Z.

Abstract (from CDS):

We present a new method for the detection of double-lined spectroscopic binaries (SB2s) using Vsin i values from spectral fits. The method is tested on synthetic and real spectra from the Large Sky Area Multi-Object fiber Spectroscopic Telescope Medium Resolution Survey. It can reliably detect SB2 candidates for double-lined binaries with $V \sin {i}_1+V \sin {i}_2\lt 300\, {\rm km}\, {\rm s}^{-1}$ if the radial velocity separation is large enough. Using this method, we detected 2460 SB2 candidates, 1410 of which are new discoveries. We confirmed the correlation between the radial velocity separation estimated by the binary model and Vsin i0 estimated by the single-star model using the selected sample. Additionally, our method found one new SB2 candidate in open cluster M11.

Abstract Copyright: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): binaries : spectroscopic

VizieR on-line data: <Available at CDS (J/MNRAS/517/356): tableb1.dat tablec1.dat tabled1.dat>

Status at CDS : Tables of objects will be appraised for possible ingestion in SIMBAD.

Simbad objects: 10

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