21172-0414 BU 161 AE

 
 
21h 17m 10.66s -04° 14' 22.3" P.A. 327.00 sep 39.9 mag 8.18,13.10 Sp K0 dist. 414.94 pc (1353.53 l.y.)
 
 
Coord 2000 21172-0414 Discov num BU  161 Comp AE Coord arcsec 2000 21 17 10.66 -04 14 22.3
Date first 1899 Date last 2015 Obs 6
Pa first 332 Pa last 327.4 P.A. Now (θ) 327.4°
Sep first 40.6 Sep last 39.934 Sep. Now (ρ) 39.934"
Mag pri 8.18 Mag sec 13.10 delta mag (ΔM) 4.92 Spectral class K0 (yellow-orange)
Pri motion ra +010 Sec motion ra -019
Pri motion dec +002 Sec motion dec +028
Notes N (See Notes)
rPM=1.151
This double is not physical.
 
 
21172-0414 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 202632 145265 21 17 11 -04 14 22 BU 161 AB 2014 15 350 101.2 8.18 10.29 2.11
Show 145265 21 17 11 -04 14 22 BU 161 AD 2015 8 315 32.4 8.18 13.60 5.42
Show 145265 21 17 11 -04 14 22 BU 161 AE 2015 6 327 39.9 8.18 13.10 4.92 <===
Show 21 17 09 -04 12 43 BU 161 BC 2015 13 315 8.2 10.29 11.60 1.31
Show 21 17 09 -04 13 59 BU 161 DE 2015 6 8 10.8 13.70 13.70 0.00
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius SAO 145265 HIP 105075 Tycho2 5202-00262-1
Gaia DR2 6911816038238650368 HD 202632 BD BD-04 5404 Distance 414.94
Distance ly 1353.53