20154+6412 LDS5245AC

 
 
20h 15m 21.50s +64 11' 55.6" P.A. 122 sep 20 mag 8.46,17.03 Sp G5 dist. 68.97 pc (224.98 l.y.)
 
 
Coord 2000
20154+6412
Discov num
LDS5245
Comp
AC
Coord arcsec 2000
20 15 21.50 +64 11 55.6
Date first
1960
Date last
1960
Obs
1
Pa first
122
Pa last
122
P.A. Now (θ)
122°
Sep first
20.0
Sep last
20.0
Sep. Now (ρ)
20"
Mag pri
8.46
Mag sec
17.03
delta mag (ΔM)
8.57
Spectral class
G5 (yellow)
Pri motion ra
+178
Sec motion ra
+180
Pri motion dec
+232
Sec motion dec
+228
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.015 (< 0.3, Physical double)
This double is physical.
 
 
20154+6412 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20154+6412 MLR 60 AB 1970 2008 24 40 0.1 8.46 8.50 0.04 Y
Show 20154+6412 LDS5245 AC 1960 1960 1 122 20.0 8.46 17.03 8.57 <===
Show 20154+6412 SHY 772 AD 1991 1999 3 246 999.9 8.46 10.12 1.66
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
122
Precise sep
20
Constellation
Draco
SAO
18780
HIP
99832
Tycho2
4240-00516-1
Gaia DR2
34213430272
HD
193215
BD
BD+63 1608
Distance
68.97
Distance ly
224.98
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20154+6412 LDS5245 AC 1960 1 122 20.0 8.46 17.03 G5 V 201521.50+641155.5

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