HD 20781 c

Summary

HD 20781 c is an exoplanet^[1]. It draws 1 Wikipedia views per month (exoplanet category, ranking #96 of 578).^[2]

Key Facts

• HD 20781 c's instance of is recorded as exoplanet^[3].
• HD 20781 c's constellation is recorded as Fornax^[4].
• HD 20781 c's parent astronomical body is recorded as Q14405105^[5].
• HD 20781 c's catalog code is recorded as HD 20781c^[6].
• HD 20781 c's catalog code is recorded as TIC 144503312c^[7].
• HD 20781 c's time of discovery or invention is recorded as +2011-00-00T00:00:00Z^[8].
• HD 20781 c's time of discovery or invention is recorded as +2019-02-00T00:00:00Z^[9].
• HD 20781 c's Freebase ID is recorded as /m/0vpv9qr^[10].
• HD 20781 c's discovery method is recorded as Doppler spectroscopy^[11].
• HD 20781 c's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.09'}^[12].
• HD 20781 c's M sin i is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+0.01677'}^[13].
• HD 20781 c's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+0.01677'}^[14].
• HD 20781 c's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+13.8905'}^[15].
• HD 20781 c's angular distance is recorded as {'unit': 'http://www.wikidata.org/entity/Q829073', 'amount': '+0.009763'}^[16].
• HD 20781 c's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+27.8123'}^[17].
• HD 20781 c's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.1004'}^[18].
• HD 20781 c's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.44'}^[19].
• HD 20781 c's SIMBAD ID is recorded as HD 20781c^[20].
• HD 20781 c's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as hd_20781_c--946^[21].
• HD 20781 c's NASA Exoplanet Archive ID is recorded as HD 20781 c^[22].
• HD 20781 c's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+50.01226190937542'}^[23].
• HD 20781 c's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-28.78383068486973'}^[24].
• HD 20781 c's epoch is recorded as J2000.0^[25].
• HD 20781 c's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-66.614'}^[26].
• HD 20781 c's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+348.869'}^[27].

Body

Designation and Status

HD 20781 c's instance of is recorded as exoplanet^[3].

History and Context

Catalog codes include HD 20781c^[6] and TIC 144503312c^[7].

Why It Matters

HD 20781 c draws 1 Wikipedia views per month (exoplanet category, ranking #96 of 578).^[2]