21210+0217 HEI 408 AB

 
 
21h 20m 57.65s +02° 17' 26.7" P.A. 258.00 sep 2.3 mag 10.98,11.18
 
 
Coord 2000 21210+0217 Discov num HEI 408 Comp AB Coord arcsec 2000 21 20 57.65 +02 17 26.7
Date first 1986 Date last 2016 Obs 10
Pa first 258 Pa last 257.8 P.A. Now (θ) 257.8°
Sep first 2.1 Sep last 2.302 Sep. Now (ρ) 2.302"
Mag pri 10.98 Mag sec 11.18 delta mag (ΔM) 0.2 Spectral class
Pri motion ra -008 Sec motion ra -014
Pri motion dec -002 Sec motion dec +000
Notes N (See Notes)
rPM=0.452
Nature of this double is uncertain.
 
 
21210+0217 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 20 58 +02 17 27 BAL 1586 Aa,Ab 1966 1 111 0.6 11.60 11.80 0.20
Show 21 20 58 +02 17 27 HEI 408 AB 2016 10 258 2.3 10.98 11.18 0.20 <===
Show 21 20 58 +02 17 27 HEI 408 AC 2015 9 273 55.5 10.96 11.70 0.74
Show 21 20 58 +02 17 27 HEI 408 AD 2015 9 111 95.2 10.96 11.92 0.96
Show 21 21 04 +02 16 52 HEI 408 DE 2015 12 106 54.5 11.92 11.16 0.76
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius Tycho2 0532-00766-1 Gaia DR2 2692210334358126208