SIMBAD references

2018MNRAS.481.4960R - Mon. Not. R. Astron. Soc., 481, 4960-4970 (2018/December-3)

NGTS-2b: an inflated hot-Jupiter transiting a bright F-dwarf.

RAYNARD L., GOAD M.R., GILLEN E., NIELSEN L.D., WATSON C.A., THOMPSON A.P.G., McCORMAC J., BAYLISS D., SOTO M., CSIZMADIA S., CHAUSHEV A., BURLEIGH M.R., ALEXANDER R., ARMSTRONG D.J., BOUCHY F., BRIEGAL J.T., CABRERA J., CASEWELL S.L., CHAZELAS B., COOKE B.F., EIGMULLER P., ERIKSON A., GANSICKE B.T., GRANGE A., GUNTHER M.N., HODGKIN S.T., HOOTON M.J., JENKINS J.S., LAMBERT G., LOUDEN T., METRAILLER L., MOYANO M., POLLACCO D., POPPENHAEGER K., QUELOZ D., RADDI R., RAUER H., READ A.M., SMALLEY B., SMITH A.M.S., TURNER O., UDRY S., WALKER S.R., WEST R.G. and WHEATLEY P.J.

Abstract (from CDS):

We report the discovery of NGTS-2b, an inflated hot-Jupiter transiting a bright F5V star (2MASS J14202949 - 3112074; Teff = 6478+94–89 K), discovered as part of the Next Generation Transit Survey (NGTS). The planet is in a P = 4.51 d orbit with mass 0.74+0.13–0.12MJ, radius 1.595+0.047–0.045RJ, and density 0.226+0.040–0.038 g cm–3; therefore one of the lowest density exoplanets currently known. With a relatively deep 1.0 per cent transit around a bright V = 10.96 host star, NGTS-2b is a prime target for probing giant planet composition via atmospheric transmission spectroscopy. The rapid rotation (v sin i = 15.2 ± 0.8 km s–1) also makes this system an excellent candidate for Rossiter-McLaughlin follow-up observations, to measure the sky-projected stellar obliquity. NGTS-2b was confirmed without the need for follow-up photometry, due to the high precision of the NGTS photometry.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): planets and satellites: detection - planets and satellites: fundamental parameters

Nomenclature: NGTS-NNNAa (Nos -2, -2b).

Simbad objects: 7

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