SIMBAD references

2020MNRAS.492.1761L - Mon. Not. R. Astron. Soc., 492, 1761-1769 (2020/February-3)

TOI-222: a single-transit TESS candidate revealed to be a 34-d eclipsing binary with CORALIE, EulerCam, and NGTS.

LENDL M., BOUCHY F., GILL S., NIELSEN L.D., TURNER O., STASSUN K., ACTON J.S., ANDERSON D.R., ARMSTRONG D.J., BAYLISS D., BELARDI C., BRYANT E.M., BURLEIGH M.R., CHAUSHEV A., CASEWELL S.L., COOKE B.F., EIGMULLER P., GILLEN E., GOAD M.R., GUNTHER M.N., HAGELBERG J., JENKINS J.S., LOUDEN T., MARMIER M., McCORMAC J., MOYANO M., POLLACCO D., RAYNARD L., TILBROOK R.H., UDRY S., VINES J.I., WEST R.G., WHEATLEY P.J., RICKER G., VANDERSPEK R., LATHAM D.W., SEAGER S., WINN J., JENKINS J.M., ADDISON B., BRICENO C., BRAHM R., CALDWELL D.A., DOTY J., ESPINOZA N., GOEKE B., HENNING T., JORDAN A., KRISHNAMURTHY A., LAW N., MORRIS R., OKUMURA J., MANN A.W., RODRIGUEZ J.E., SARKIS P., SCHLIEDER J., TWICKEN J.D., VILLANUEVA S., WITTENMYER R.A., WRIGHT D.J. and ZIEGLER C.

Abstract (from CDS):

We report the period, eccentricity, and mass determination for the Transiting Exoplanet Survey Satellite (TESS) single-transit event candidate TOI-222, which displayed a single 3000 ppm transit in the TESS 2-min cadence data from Sector 2. We determine the orbital period via radial velocity measurements (P = 33.9 d), which allowed for ground-based photometric detection of two subsequent transits. Our data show that the companion to TOI-222 is a low-mass star, with a radius of 0.18–0.10+0.39 R☉ and a mass of 0.23 ± 0.01 M☉. This discovery showcases the ability to efficiently discover long-period systems from TESS single-transit events using a combination of radial velocity monitoring coupled with high-precision ground-based photometry.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): techniques: photometric - stars: individual: TOI-222 - planetary systems

VizieR on-line data: <Available at CDS (J/MNRAS/492/1761): table1.dat table2.dat table3.dat table4.dat table5.dat>

Simbad objects: 8

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