HAT-P-16b: A 4 M J planet transiting a bright star on an eccentric orbit
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HAT-P-16b : A 4 M J planet transiting a bright star on an eccentric orbit. / Buchhave, Lars A.; Bakos, G. A.; Hartman, J. D.; Torres..[et al.], G.
In: Astrophysical Journal, Vol. 720, No. 2, 17.08.2010, p. 1118-1125.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - HAT-P-16b
T2 - A 4 M J planet transiting a bright star on an eccentric orbit
AU - Buchhave, Lars A.
AU - Bakos, G. A.
AU - Hartman, J. D.
AU - Torres..[et al.], G.
PY - 2010/8/17
Y1 - 2010/8/17
N2 - We report the discovery of HAT-P-16b, a transiting extrasolar planet orbiting the V = 10.8 mag F8 dwarf GSC 2792-01700, with a period P = 2.775960 ± 0.000003 days, transit epoch Tc = 2455027.59293 ± 0.00031 (BJD10), and transit duration 0.1276 ± 0.0013 days. The host star has a mass of 1.22 ± 0.04 M , radius of 1.24 ± 0.05 R , effective temperature 6158 ± 80 K, and metallicity [Fe/H] = +0.17 ± 0.08. The planetary companion has a mass of 4.193 ± 0.094 M J and radius of 1.289 ± 0.066 R J, yielding a mean density of 2.42 ± 0.35 g cm–3. Comparing these observed characteristics with recent theoretical models, we find that HAT-P-16b is consistent with a 1 Gyr H/He-dominated gas giant planet. HAT-P-16b resides in a sparsely populated region of the mass-radius diagram and has a non-zero eccentricity of e = 0.036 with a significance of 10s.
AB - We report the discovery of HAT-P-16b, a transiting extrasolar planet orbiting the V = 10.8 mag F8 dwarf GSC 2792-01700, with a period P = 2.775960 ± 0.000003 days, transit epoch Tc = 2455027.59293 ± 0.00031 (BJD10), and transit duration 0.1276 ± 0.0013 days. The host star has a mass of 1.22 ± 0.04 M , radius of 1.24 ± 0.05 R , effective temperature 6158 ± 80 K, and metallicity [Fe/H] = +0.17 ± 0.08. The planetary companion has a mass of 4.193 ± 0.094 M J and radius of 1.289 ± 0.066 R J, yielding a mean density of 2.42 ± 0.35 g cm–3. Comparing these observed characteristics with recent theoretical models, we find that HAT-P-16b is consistent with a 1 Gyr H/He-dominated gas giant planet. HAT-P-16b resides in a sparsely populated region of the mass-radius diagram and has a non-zero eccentricity of e = 0.036 with a significance of 10s.
U2 - 10.1088/0004-637X/720/2/1118
DO - 10.1088/0004-637X/720/2/1118
M3 - Journal article
VL - 720
SP - 1118
EP - 1125
JO - Astrophysical Journal
JF - Astrophysical Journal
SN - 0004-637X
IS - 2
ER -
ID: 32930028