19556+5226 STF2605AB (Psi Cyg)

 
 
19h 55m 37.82s +52 26' 20.5" P.A. 175.00 sep 2.9 mag 5.03,7.52 Sp A4Vn dist. 86.28 pc (281.45 l.y.)
 
 
Coord 2000
19556+5226
Discov num
STF2605
Comp
AB
Coord arcsec 2000
19 55 37.82 +52 26 20.5
Date first
1822
Date last
2017
Obs
131
Pa first
187
Pa last
175
P.A. Now (θ)
175°
Sep first
3.6
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
5.03
Mag sec
7.52
delta mag (ΔM)
2.49
Spectral class
A4Vn (white)
Pri motion ra
-034
Sec motion ra
Pri motion dec
-022
Sec motion dec
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
19556+5226 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 32114 19556+5226 YR 2 Aa,Ab 1996 2010 16 235 0.1 5.60 6.10 0.50 Y
Show Psi Cyg 32114 19556+5226 STF2605 AB 1822 2017 131 175 2.9 5.03 7.52 2.49 <===
Show 32114 19556+5226 STF2605 AC 1908 2003 5 53 23.9 5.03 13.80 8.77
Show 32114 19556+5226 STF2605 AD 1880 2003 8 60 169.8 5.03 11.31 6.28
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
175.1
Precise sep
2.86
Name
Psi Cyg
Constellation
Cygnus
SAO
32114
HIP
98055
Tycho2
3570-02426-1
Gaia DR2
84718210432
HD
189037
HR
7619
GC
27618
BD
BD+52 2572
Bayer
Psi Cygni
Bayer name
Psi Cyg
Flamsteed
24 Cygni
Flamsteed name
24 Cyg
Distance
86.28
Distance ly
281.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19556+5226 STF2605 AB 2006 111 174 3.0 5.03 7.52 A4Vn N D 195537.82+522620.5
19556+5226 STF2605 AB 2008 112 178 3.0 5.03 7.52 A4Vn N D 195537.82+522620.5
19556+5226 STF2605 AB 2010 122 176 2.9 5.03 7.52 A4Vn N D 195537.82+522620.5
19556+5226 STF2605 AB 2013 128 177 2.7 5.03 7.52 A4Vn N D 195537.82+522620.5
19556+5226 STF2605 AB 2014 129 177 2.8 5.03 7.52 A4Vn N D 195537.82+522620.5
19556+5226 STF2605 AB 2017 131 175 2.9 5.03 7.52 A4Vn N 195537.82+522620.5

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