exoplanet_descriptions/pr_her_b.txt Carcal (PR Her b) - Exoplanets
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Info for exoplanet "Carcal"


Scientific (actual) data
NamePR Her b
Planet statusConfirmed
Planet mass41
Orbital period0.0542
Semi major axis0.002
Discovered2016
Updated2025-09-24
PublicationPublished in a refereed paper
Detection typeTiming
Star namePR Her
Right ascension272.02°
Declination38.77°
Star distance787.64
Star mass0.34
Star radius0.01
Star sp typeDA
Star temperature9357.77
Wikipedia articlePR Her b

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Fictional info (?)
Suggested nameCarcal
Planet typeHuge hot gas giant
Having almost no atmosphere to retain heat, it has surface temperatures that vary diurnally more than on any other planet in its solar system, ranging from 170°K (-103°C) at night to 1190°K (917°C) during the day across the equatorial regions.

The atmospheric pressure at the planet's surface is 0.6 bar, or roughly the pressure found 1575 m under the oceans of Earth.

The outer atmosphere is visibly segregated into several bands at different latitudes, resulting in turbulence and storms along their interacting boundaries.
AtmosphereFormaldehyde44%
2H2O38%
Ammonium hydrosulfide (NH4SH)17%
Carbon monoxide0.39%
Helium0.19%
Xenon3.4E-5%
Oxygen0%
Atmospheric pressure0.6 bar
artist's rendition
No known satellites
Google search for Carcal


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