20011+4816 STF2619AB

 
 
20h 01m 01.69s +48 15' 28.5" P.A. 242 sep 5.4 mag 8.91,8.92 Sp G5 dist. 60.02 pc (195.79 l.y.)
 
 
Coord 2000
20011+4816
Discov num
STF2619
Comp
AB
Coord arcsec 2000
20 01 01.69 +48 15 28.5
Date first
1828
Date last
2017
Obs
72
Pa first
247
Pa last
242
P.A. Now (θ)
242°
Sep first
3.7
Sep last
5.4
Sep. Now (ρ)
5.4"
Mag pri
8.91
Mag sec
8.92
delta mag (ΔM)
0.01
Spectral class
G5 (yellow)
Pri motion ra
-084
Sec motion ra
-111
Pri motion dec
-079
Sec motion dec
-101
Notes
rPM=0.232 (< 0.3, Physical double)
This double is physical.
 
 
20011+4816 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20011+4816 STF2619 AB 1828 2017 72 242 5.4 8.91 8.92 0.01 <===
Show 20011+4816 STF2619 AC 1828 2017 20 352 20.2 8.91 12.60 3.69
Show 20011+4816 STF2619 AD 2000 2017 7 352 14.8 8.91 13.90 4.99
Show 20011+4816 DEA 60 AE 2000 2017 3 6 61.8 10.00 18.80 8.80
Show 20011+4816 STF2619 BC 1878 2015 10 4 22.1 8.92 12.60 3.68
Show 20011+4816 STF2619 BD 1901 2015 6 6 16.9 8.92 13.90 4.98
Show 20011+4816 STF2619 CD 1854 2015 13 175 5.4 12.60 13.90 1.30
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
241.9
Precise sep
5.407
Constellation
Cygnus
SAO
49086
HIP
98535
Tycho2
3562-00517-1
Gaia DR2
76129332224
HD
190042
BD
BD+47 2982
Distance
60.02
Distance ly
195.79
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20011+4816 STF2619 AB 2008 49 239 4.1 8.91 8.92 G5 D 200101.69+481528.5
20011+4816 STF2619 AB 2011 56 239 4.2 8.91 8.92 G5 D 200101.69+481528.5
20011+4816 STF2619 AB 2013 57 241 4.1 8.91 8.92 G5 D 200101.69+481528.5
20011+4816 STF2619 AB 2015 66 237 4.2 8.91 8.92 G5 200101.69+481528.5
20011+4816 STF2619 AB 2016 69 239 4.2 8.91 8.92 G5 200101.69+481528.5
20011+4816 STF2619 AB 2017 72 242 5.4 8.91 8.92 G5 200101.69+481528.5

If you need more information about this double, apply for a data request form to the WDS.