HD18840

Summary

HD18840 is a star^[1].

Key Facts

• HD18840's instance of is recorded as star^[2].
• HD18840's constellation is recorded as Octans^[3].
• HD18840's spectral class is recorded as A0mA8-F2^[4].
• HD18840's catalog code is recorded as HD 18840^[5].
• HD18840's catalog code is recorded as GSC 09491-00494^[6].
• HD18840's catalog code is recorded as 2MASS J02470957-8354424^[7].
• HD18840's catalog code is recorded as SAO 258317^[8].
• HD18840's catalog code is recorded as CD-84 29^[9].
• HD18840's catalog code is recorded as CPC 22 330^[10].
• HD18840's catalog code is recorded as CPD-84 32^[11].
• HD18840's catalog code is recorded as PPM 376200^[12].
• HD18840's catalog code is recorded as RAVE J024709.6-835443^[13].
• HD18840's catalog code is recorded as TYC 9491-494-1^[14].
• HD18840's catalog code is recorded as Gaia DR1 4616961165979821312^[15].
• HD18840's catalog code is recorded as Gaia DR2 4616961170276264960^[16].
• HD18840's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.51'}^[17].
• HD18840's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.16'}^[18].
• HD18840's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.0900'}^[19].
• HD18840's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.510'}^[20].
• HD18840's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.441'}^[21].
• HD18840's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.348'}^[22].
• HD18840's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.0708'}^[23].
• HD18840's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-6.24'}^[24].
• HD18840's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-6.241'}^[25].
• HD18840's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+245.6520'}^[26].

Body

Definition and Type

HD18840's instance of is recorded as star^[2].