HD 121504 b

Summary

HD 121504 b is an exoplanet^[1]. It draws 2 Wikipedia views per month (exoplanet category, ranking #96 of 578).^[2]

Key Facts

• HD 121504 b is credited with the discovery of Michel Mayor^[3].
• HD 121504 b's instance of is recorded as exoplanet^[4].
• HD 121504 b's constellation is recorded as Centaurus^[5].
• HD 121504 b's site of astronomical discovery is recorded as La Silla Observatory^[6].
• HD 121504 b's parent astronomical body is recorded as HD 121504^[7].
• HD 121504 b's catalog code is recorded as HD 121504b^[8].
• HD 121504 b's catalog code is recorded as TIC 208844024b^[9].
• HD 121504 b's time of discovery or invention is recorded as +2003-00-00T00:00:00Z^[10].
• HD 121504 b's time of discovery or invention is recorded as +2004-02-00T00:00:00Z^[11].
• HD 121504 b's Freebase ID is recorded as /m/04y5nfl^[12].
• HD 121504 b's discovery method is recorded as Doppler spectroscopy^[13].
• HD 121504 b's orbital eccentricity is recorded as {'amount': '+0.03'}^[14].
• HD 121504 b's M sin i is recorded as {'unit': 'Jupiter mass', 'amount': '+1.51'}^[15].
• HD 121504 b's mass is recorded as {'unit': 'Jupiter mass', 'amount': '+1.22'}^[16].
• HD 121504 b's orbital period is recorded as {'unit': 'day', 'amount': '+63.33'}^[17].
• HD 121504 b's parallax is recorded as {'unit': 'milliarcsecond', 'amount': '+23.9754'}^[18].
• HD 121504 b's semi-major axis of an orbit is recorded as {'unit': 'astronomical unit', 'amount': '+0.33'}^[19].
• HD 121504 b's argument of periapsis is recorded as {'unit': 'degree', 'amount': '+265'}^[20].
• HD 121504 b's SIMBAD ID is recorded as HD 121504b^[21].
• HD 121504 b's Wolfram Language entity code is recorded as Entity["Exoplanet", "HD121504b"]^[22].
• HD 121504 b's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as hd_121504_ab--39^[23].
• HD 121504 b's NASA Exoplanet Archive ID is recorded as HD 121504 b^[24].
• HD 121504 b's right ascension is recorded as {'unit': 'degree', 'amount': '+209.32182670548875'}^[25].
• HD 121504 b's declination is recorded as {'unit': 'degree', 'amount': '-56.04004342030028'}^[26].
• HD 121504 b's epoch is recorded as J2000.0^[27].

Body

Designation and Status

HD 121504 b's instance of is recorded as exoplanet^[4].

History and Context

Catalog codes include HD 121504b^[8] and TIC 208844024b^[9].

Why It Matters

HD 121504 b draws 2 Wikipedia views per month (exoplanet category, ranking #96 of 578).^[2] It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.^[28] It is known by 3 alternative names across languages and contexts.^[29]