21441+2845 FYM  25AG

 
 
21h 44m 08.57s +28 44' 33.4" P.A. 73 sep 168.1 mag 4.75,13.77 Sp F6V dist. 22.24 pc (72.55 l.y.)
 
 
Coord 2000
21441+2845
Discov num
FYM  25
Comp
AG
Coord arcsec 2000
21 44 08.57 +28 44 33.4
Date first
1999
Date last
2012
Obs
3
Pa first
73
Pa last
73
P.A. Now (θ)
73°
Sep first
170.3
Sep last
168.1
Sep. Now (ρ)
168.1"
Mag pri
4.75
Mag sec
13.77
delta mag (ΔM)
9.02
Spectral class
F6V (yellow-white)
Pri motion ra
+260
Sec motion ra
+004
Pri motion dec
-243
Sec motion dec
+002
Notes
N (See Notes)
rPM=0.996
This double is not physical.
 
 
21441+2845 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Mu1 Cyg 89940 21441+2845 STF2822 AB 1777 2016 720 323 1.5 4.75 6.18 1.43 Y
Show 89939 21441+2845 STF2822 AC 1878 2012 16 292 76.6 4.75 12.93 8.18
Show 89939 21441+2845 STF2822 AD 1800 2014 54 44 196.9 4.75 6.94 2.19
Show 89939 21441+2845 FYM 25 AF 1999 2012 3 72 111.5 4.75 12.64 7.89
Show 89939 21441+2845 FYM 25 AG 1999 2012 3 73 168.1 4.75 13.77 9.02 <===
Show 89939 21441+2845 STF2822 BD 1823 2012 24 45 196.7 6.18 6.94 0.76
Show 89944 21441+2845 ES 521 DE 1907 2015 6 286 17.5 6.94 13.13 6.19
Show 89944 21441+2845 FYM 25 DG 1999 2012 3 164 89.6 6.94 13.77 6.83
Septuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
72.6
Precise sep
168.12
Constellation
Cygnus
SAO
89939
HIP
107310
Tycho2
2201-02078-1
HD
206827
HR
8309
GC
30438
GL
Gl 836.6A
BD
BD+28 4169
Bayer
Mu 1 Cygni
Bayer name
Mu1 Cyg
Flamsteed
78 Cygni
Flamsteed name
78 Cyg
Distance
22.24
Distance ly
72.55
last precise pa
72.6
last precise sep
168.12
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21441+2845 FYM 25 AG 2012 3 73 168.1 4.75 13.77 F6V N 214408.57+284433.4

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