SIMBAD references

2020AJ....160..222J - Astron. J., 160, 222-222 (2020/November-0)

HATS-37Ab and HATS-38b: two transiting hot Neptunes in the desert.

JORDAN A., BAKOS G.A., BAYLISS D., BENTO J., BHATTI W., BRAHM R., CSUBRY Z., ESPINOZA N., HARTMAN J.D., HENNING T., MANCINI L., PENEV K., RABUS M., SARKIS P., SUC V., DE VAL-BORRO M., ZHOU G., BUTLER R.P., TESKE J., CRANE J., SHECTMAN S., TAN T.G., THOMPSON I., WALLACE J.J., LAZAR J., PAPP I. and SARI P.

Abstract (from CDS):

We report the discovery of two transiting Neptunes by the HATSouth survey. The planet HATS-37Ab has a mass of 0.099±0.042MJ (31.5 ± 13.4 M⊕) and a radius of 0.606±0.016RJ, and is on a P=4.3315 day orbit around a V=12.266±0.030 mag, 0.843–0.012+0.017M☉ star with a radius of 0.877–0.012+0.019R☉. We also present evidence that the star HATS-37A has an unresolved stellar companion HATS-37B, with a photometrically estimated mass of 0.654±0.033M☉. The planet HATS-38b has a mass of 0.074±0.011MJ (23.5 ± 3.5 M⊕) and a radius of 0.614±0.017RJ, and is on a P=4.3750 day orbit around a V=12.411±0.030 mag, 0.890–0.012+0.016M☉ star with a radius of 1.105±0.016R☉. Both systems appear to be old, with isochrone-based ages of 11.46–1.45+0.79 Gyr, and 11.89±0.60 Gyr, respectively. Both HATS-37Ab and HATS-38b lie in the Neptune desert and are thus examples of a population with a low occurrence rate. They are also among the lowest-mass planets found from ground-based wide-field surveys to date.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Exoplanets - Hot Neptunes

VizieR on-line data: <Available at CDS (J/AJ/160/222): table1.dat table2.dat table3.dat table4.dat>

Simbad objects: 8

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