HD 154857 b

Summary

HD 154857 b is an exoplanet^[1]. It draws 1 Wikipedia views per month (exoplanet category, ranking #96 of 578).^[2]

Key Facts

• HD 154857 b's instance of is recorded as exoplanet^[3].
• HD 154857 b's constellation is recorded as Ara^[4].
• HD 154857 b's parent astronomical body is recorded as HD 154857^[5].
• HD 154857 b's catalog code is recorded as HD 154857b^[6].
• HD 154857 b's catalog code is recorded as TIC 173552927b^[7].
• HD 154857 b's time of discovery or invention is recorded as +2004-12-00T00:00:00Z^[8].
• HD 154857 b's Freebase ID is recorded as /m/04f7khb^[9].
• HD 154857 b's discovery method is recorded as Doppler spectroscopy^[10].
• HD 154857 b's orbital eccentricity is recorded as {'amount': '+0.46'}^[11].
• HD 154857 b's M sin i is recorded as {'unit': 'Q651336', 'amount': '+2.45'}^[12].
• HD 154857 b's mass is recorded as {'unit': 'Q651336', 'amount': '+2.24'}^[13].
• HD 154857 b's orbital period is recorded as {'unit': 'Q573', 'amount': '+408.60001'}^[14].
• HD 154857 b's angular distance is recorded as {'unit': 'Q829073', 'amount': '+0.017518'}^[15].
• HD 154857 b's parallax is recorded as {'unit': 'Q21500224', 'amount': '+15.7321'}^[16].
• HD 154857 b's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+1.29'}^[17].
• HD 154857 b's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+57'}^[18].
• HD 154857 b's SIMBAD ID is recorded as HD 154857b^[19].
• HD 154857 b's Wolfram Language entity code is recorded as Entity["Exoplanet", "HD154857b"]^[20].
• HD 154857 b's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as hd_154857_b--268^[21].
• HD 154857 b's NASA Exoplanet Archive ID is recorded as HD 154857 b^[22].
• HD 154857 b's right ascension is recorded as {'unit': 'Q28390', 'amount': '+257.81550748826960'}^[23].
• HD 154857 b's declination is recorded as {'unit': 'Q28390', 'amount': '-56.68079739924805'}^[24].
• HD 154857 b's epoch is recorded as J2000.0^[25].
• HD 154857 b's declination component of proper motion is recorded as {'unit': 'Q22137107', 'amount': '-55.891'}^[26].
• HD 154857 b's right ascension component of proper motion is recorded as {'unit': 'Q22137107', 'amount': '+87.585'}^[27].

Body

Designation and Status

HD 154857 b's instance of is recorded as exoplanet^[3].

History and Context

Catalog codes include HD 154857b^[6] and TIC 173552927b^[7].

Why It Matters

HD 154857 b draws 1 Wikipedia views per month (exoplanet category, ranking #96 of 578).^[2] It has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.^[28] It is known by 4 alternative names across languages and contexts.^[29]