2018ApJ...868L..39H


C.D.S. - SIMBAD4 rel 1.7 - 2020.03.29CEST12:46:41

2018ApJ...868L..39H - Astrophys. J., 868, L39-L39 (2018/December-1)

TESS discovery of a transiting super-earth in the pi Mensae system.

HUANG C.X., BURT J., VANDERBURG A., GUNTHER M.N., SHPORER A., DITTMANN J.A., WINN J.N., WITTENMYER R., SHA L., KANE S.R., RICKER G.R., VANDERSPEK R.K., LATHAM D.W., SEAGER S., JENKINS J.M., CALDWELL D.A., COLLINS K.A., GUERRERO N., SMITH J.C., QUINN S.N., UDRY S., PEPE F., BOUCHY F., SEGRANSAN D., LOVIS C., EHRENREICH D., MARMIER M., MAYOR M., WOHLER B., HAWORTH K., MORGAN E.H., FAUSNAUGH M., CIARDI D.R., CHRISTIANSEN J., CHARBONNEAU D., DRAGOMIR D., DEMING D., GLIDDEN A., LEVINE A.M., McCULLOUGH P.R., YU L., NARITA N., NGUYEN T., MORTON T., PEPPER J., PAL A., RODRIGUEZ J.E., STASSUN K.G., TORRES G., SOZZETTI A., DOTY J.P., CHRISTENSEN-DALSGAARD J., LAUGHLIN G., CLAMPIN M., BEAN J.L., BUCHHAVE L.A., BAKOS G.A., SATO B., IDA S., KALTENEGGER L., PALLE E., SASSELOV D., BUTLER R.P., LISSAUER J., GE J. and RINEHART S.A.

Abstract (from CDS):

We report the detection of a transiting planet around π Men (HD 39091), using data from the Transiting Exoplanet Survey Satellite (TESS). The solar-type host star is unusually bright (V = 5.7) and was already known to host a Jovian planet on a highly eccentric, 5.7 yr orbit. The newly discovered planet has a size of 2.04 ± 0.05 R and an orbital period of 6.27 days. Radial-velocity data from the High-Accuracy Radial-velocity Planet Searcher and Anglo-Australian Telescope/University College London Echelle Spectrograph archives also displays a 6.27 day periodicity, confirming the existence of the planet and leading to a mass determination of 4.82 ± 0.85 M. The star's proximity and brightness will facilitate further investigations, such as atmospheric spectroscopy, asteroseismology, the Rossiter-McLaughlin effect, astrometry, and direct imaging.

Abstract Copyright: © 2018. The American Astronomical Society. All rights reserved.

Journal keyword(s): planetary systems - planets and satellites: detection - stars: individual: (HD 39091, TIC 261136679)

Status at CDS:  

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 - 2020
#notes
1 HD 39091c Pl? 05 37 09.8851202601 -80 28 08.831347245           ~ 13 0
2 * pi. Men PM* 05 37 09.8851202601 -80 28 08.831347245   6.25 5.67     G0V 224 1
3 * pi. Men b Pl 05 37 09.8880 -80 28 08.844           ~ 45 1
4 NAME SEP reg 06 00 00.000 -66 33 38.55           ~ 113 0
5 * 51 Peg b Pl 22 57 27.9804167474 +20 46 07.782240714           ~ 511 1

    Equat.    Gal    SGal    Ecl

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2020.03.29-12:46:41

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