Associazione Romana Astrofili

157 FRASSO SABINO 42,22945555N 12,81150555E 465m s.l.m.

21420+1856

• Unique Name: 21420+1856LBU 2Aa,Ab
• RA: 21 41 59.91
• Dec: +18 56 19.7
• Discoverer: LBU
• Discoverer Number: 2
• Components: Aa,Ab
• First year: 1985
• Last year: 1985
• Observations: 1
• First position angle: 42
• Last position angle: 42
• First separation: 0.9
• Last separation: 0.9
• Mag first component: 8.0
• Mag second component: 9.5
• Spectral type: G7III
• Primary proper motion RA: -36
• Primary proper motion DEC: -47
• Secondary proper motion RA:
• Secondary proper motion DEC:
• Durchmusterung: +18 4841
• Notes: N