2021RNAAS...5..238G

Query : 2021RNAAS...5..238G

2021RNAAS...5..238G - Research Notes of the AAS, 5, 238 (2021/October-0)

Zodiacal Exoplanets in Time (ZEIT). XIV. He I Transit Spectroscopy of the 650 Myr Hyades Planet K2-136c.

GAIDOS E., HIRANO T., OMIYA M., KUZUHARA M., KOTANI T., TAMURA M., HARAKAWA H. and KUDO T.

Abstract (from CDS):

We report the non-detection of excess absorption in the 1083.2 nm line of neutral triplet helium during a transit of K2-136c, a 2.9R⊕ planet on a 17.3 days orbit around a K-type dwarf in the 650 Myr old Hyades cluster. We limit the equivalent width of any transit-associated absorption in the He I line to <25 mÅ at 99% confidence.

Abstract Copyright: © 2021. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Exoplanet astronomy - Exoplanet atmospheres - Young star clusters

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 K2-25b Pl 04 13 05.6131374072 +15 14 52.018080576           ~ 79 0
2 K2-136c Pl 04 29 38.9939167752 +22 52 57.793533924           ~ 24 0
3 K2-136 PM* 04 29 38.9939167752 +22 52 57.793533924   12.48 11.20 10.90   K5.5V 54 0
4 Cl Melotte 25 OpC 04 29 47.3 +16 56 53           ~ 3083 0
5 HD 37439 * 05 39 27.1151480520 +21 45 46.627409556 6.540 6.500 6.430     A1Vn 28 0
6 K2-100b Pl 08 38 24.3002838928 +20 06 21.828057218           ~ 67 0
7 HD 197481 BY* 20 45 09.5324974119 -31 20 27.237889841   10.05 8.627 9.078 6.593 M1VeBa1 1160 0

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