20056+6342 STF2642AB

 
 
20h 05m 35.38s +63 42' 19.5" P.A. 190 sep 1.8 mag 9.34,9.41 Sp G0 dist. 68.26 pc (222.66 l.y.)
 
 
Coord 2000
20056+6342
Discov num
STF2642
Comp
AB
Coord arcsec 2000
20 05 35.38 +63 42 19.5
Date first
1832
Date last
2016
Obs
80
Pa first
165
Pa last
190
P.A. Now (θ)
190°
Sep first
2.5
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
9.34
Mag sec
9.41
delta mag (ΔM)
0.07
Spectral class
G0 (yellow)
Pri motion ra
+204
Sec motion ra
+204
Pri motion dec
+150
Sec motion dec
+150
Notes
Nature of this double is uncertain.
 
 
20056+6342 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20056+6342 STF2642 AB 1832 2016 80 190 1.8 9.34 9.41 0.07 <===
Show 20056+6342 STF2642 AC 1912 2003 4 34 68.6 9.34 12.59 3.25
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
189.8
Precise sep
1.782
Constellation
Draco
SAO
18703
HIP
98967
Tycho2
4236-02482-1
Gaia DR2
23859249536
HD
191310
BD
BD+63 1595
Distance
68.26
Distance ly
222.66
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20056+6342 STF2642 AB 1999 61 187 1.9 9.34 9.41 G0 D 200535.00+634217.7
20056+6342 STF2642 AB 2009 62 189 1.8 9.34 9.41 G0 D 200535.00+634217.7
20056+6342 STF2642 AB 2012 69 190 1.8 9.34 9.41 G0 D 200535.00+634217.7
20056+6342 STF2642 AB 2016 77 191 1.8 9.34 9.41 G0 200535.38+634219.5

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