21129+3014 FYM 141AF

 
 
21h 12m 56.19s +30 13' 36.9" P.A. 267 sep 63.5 mag 3.30,14.00 Sp G8+III-a dist. 43.88 pc (143.14 l.y.)
 
 
Coord 2000
21129+3014
Discov num
FYM 141
Comp
AF
Coord arcsec 2000
21 12 56.19 +30 13 36.9
Date first
1998
Date last
2012
Obs
3
Pa first
266
Pa last
267
P.A. Now (θ)
267°
Sep first
63.7
Sep last
63.5
Sep. Now (ρ)
63.5"
Mag pri
3.30
Mag sec
14.00
delta mag (ΔM)
10.7
Spectral class
G8+III-a (yellow)
Pri motion ra
+007
Sec motion ra
Pri motion dec
-068
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
21129+3014 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 71070 21129+3014 BAS 7 Aa,Ab 2000 2000 1 246 0.0 3.20 13.20 10.00
Show Zet Cyg 71070 21129+3014 BUP 227 AB 1900 2012 7 206 64.8 3.30 11.70 8.40
Show 71070 21129+3014 BUP 227 AC 1907 2012 6 300 91.6 3.30 12.73 9.43
Show 71070 21129+3014 BUP 227 AD 1835 2012 7 63 104.5 3.30 12.70 9.40
Show 71070 21129+3014 FYM 141 AE 2002 2012 2 77 42.4 3.30 14.10 10.80
Show 71070 21129+3014 FYM 141 AF 1998 2012 3 267 63.5 3.30 14.00 10.70 <===
Show 71070 21129+3014 FYM 141 AG 1998 2012 3 98 70.0 3.30 15.10 11.80
Octuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
267.3
Precise sep
63.5
Constellation
Cygnus
SAO
71070
HIP
104732
Tycho2
2702-02764-1
HD
202109
HR
8115
GC
29661
BD
BD+29 4348
Bayer
Zeta Cygni
Bayer name
Zet Cyg
Flamsteed
64 Cygni
Flamsteed name
64 Cyg
Distance
43.88
Distance ly
143.14
last precise pa
267.3
last precise sep
63.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21129+3014 FYM 141 AF 2012 3 267 63.5 3.30 14.00 G8+III-a N 211256.19+301336.9

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