SIMBAD references

2013MNRAS.429..859J - Mon. Not. R. Astron. Soc., 429, 859-867 (2013/February-2)

New companions to nearby low-mass stars.

JODAR E., PEREZ-GARRIDO A., DIAZ-SANCHEZ A., VILLO I., REBOLO R. and PEREZ-PRIETO J.A.

Abstract (from CDS):

We present high-angular-resolution optical I-band imaging of 451 late K to mid-M nearby stars. These observations have been performed with Astralux and FastCam using the lucky imaging technique. We found 70 companions with separations between 0.1 and 3.5 arcsec, out of which 28 are new discoveries. We derive a total binary fraction of 20.3+ 6.9- 5.2 per cent. Follow-up observations have been carried out for 16 of these new binaries and all of them were confirmed as physically associated systems. Parallaxes are available for 70 per cent of the binary sample, providing reliable estimates of physical separations. We have measured separations and position angles as an initial stage for a systematic follow-up aimed to determine orbital parameters.

Abstract Copyright: © 2012 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2012)

Journal keyword(s): instrumentation: high angular resolution - binaries: general - brown dwarfs - stars: low-mass

VizieR on-line data: <Available at CDS (J/MNRAS/429/859): table1.dat table2.dat table3.dat>

Simbad objects: 451

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2020.10.28-16:57:04

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