![]() Size comparison of HAT-P-12b with Jupiter. | |
Discovery [1] | |
---|---|
Discovered by | Hartman et al. |
Discovery site | Cambridge, Massachusetts |
Discovery date | April 29, 2009 |
Transit | |
Designations | |
Puli [2] | |
Orbital characteristics | |
0.0384 ± 0.0003 AU (5,745,000 ± 45,000 km) [1] | |
Eccentricity | 0 (assumed) [1] |
3.2130598 ± 0.0000021 [1] d | |
Inclination | 89.0 ± 0.4 [1] |
Star | HAT-P-12 |
Physical characteristics | |
Mean radius | 0.959 ± 0.029 [1] RJ |
Mass | 0.211 ± 0.012 [1] MJ |
Mean
density | 295 ± 25 kg/m3 (497 ± 42 lb/cu yd) [1] |
HAT-P-12b, formally named Puli, [2] is an extrasolar planet approximately 468 light years away from Earth, orbiting the 13th magnitude K-type star HAT-P-12, which is located in Canes Venatici constellation. It is a transiting hot Jupiter that was discovered by the HATNet Project on April 29, 2009.
HAT-P-12b is a H/He-dominated gas giant planet with a core mass of 11.3+2.6
−2.1 M🜨 and is moderately irradiated by its low-metallicity host star.
[3] Therefore, HAT-P-12b is most likely an H/He-dominated planet with a core of perhaps ~10 M🜨, and a total metal fraction of ~15%. This makes HAT-P-12b the least massive H/He-dominated gas giant planet found to date; the previous record holder was
Saturn.
[1]
In 2020, the obtained transmission spectra have revealed that the atmosphere of HAT-P-12b is cloudy, [4] with haze above cloud tops. Water was detected. [5] The prevalence of clouds and hazes in planetary atmosphere was disputed in 2021 though. [6]
In August 2022, this planet and its host star were included among 20 systems to be named by the third NameExoWorlds project. [7] The approved names, proposed by a team from Hungary, were announced in June 2023. HAT-P-12b is named Puli and its host star is named Komondor, after the Hungarian Puli and Komondor dog breeds. [2]
Media related to
HAT-P-12b at Wikimedia Commons
![]() Size comparison of HAT-P-12b with Jupiter. | |
Discovery [1] | |
---|---|
Discovered by | Hartman et al. |
Discovery site | Cambridge, Massachusetts |
Discovery date | April 29, 2009 |
Transit | |
Designations | |
Puli [2] | |
Orbital characteristics | |
0.0384 ± 0.0003 AU (5,745,000 ± 45,000 km) [1] | |
Eccentricity | 0 (assumed) [1] |
3.2130598 ± 0.0000021 [1] d | |
Inclination | 89.0 ± 0.4 [1] |
Star | HAT-P-12 |
Physical characteristics | |
Mean radius | 0.959 ± 0.029 [1] RJ |
Mass | 0.211 ± 0.012 [1] MJ |
Mean
density | 295 ± 25 kg/m3 (497 ± 42 lb/cu yd) [1] |
HAT-P-12b, formally named Puli, [2] is an extrasolar planet approximately 468 light years away from Earth, orbiting the 13th magnitude K-type star HAT-P-12, which is located in Canes Venatici constellation. It is a transiting hot Jupiter that was discovered by the HATNet Project on April 29, 2009.
HAT-P-12b is a H/He-dominated gas giant planet with a core mass of 11.3+2.6
−2.1 M🜨 and is moderately irradiated by its low-metallicity host star.
[3] Therefore, HAT-P-12b is most likely an H/He-dominated planet with a core of perhaps ~10 M🜨, and a total metal fraction of ~15%. This makes HAT-P-12b the least massive H/He-dominated gas giant planet found to date; the previous record holder was
Saturn.
[1]
In 2020, the obtained transmission spectra have revealed that the atmosphere of HAT-P-12b is cloudy, [4] with haze above cloud tops. Water was detected. [5] The prevalence of clouds and hazes in planetary atmosphere was disputed in 2021 though. [6]
In August 2022, this planet and its host star were included among 20 systems to be named by the third NameExoWorlds project. [7] The approved names, proposed by a team from Hungary, were announced in June 2023. HAT-P-12b is named Puli and its host star is named Komondor, after the Hungarian Puli and Komondor dog breeds. [2]
Media related to
HAT-P-12b at Wikimedia Commons