21129+3014 FYM 141AF

 
 
21h 12m 56.19s +30 13' 36.9" P.A. 267 sep 63.6 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
2015
Obs
4
Pa first
266
Pa last
267
P.A. Now (θ)
267°
Sep first
63.7
Sep last
63.6
Sep. Now (ρ)
63.6"
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 2015 8 205 65.2 3.30 11.70 8.40
Show 21129+3014 BUP 227 AC 1907 2015 7 300 91.5 3.30 12.73 9.43
Show 21129+3014 BUP 227 AD 1835 2015 8 63 105.3 3.30 12.70 9.40
Show 21129+3014 FYM 141 AE 2002 2015 3 76 42.8 3.30 14.10 10.80
Show 21129+3014 FYM 141 AF 1998 2015 4 267 63.6 3.30 14.00 10.70 <===
Show 21129+3014 FYM 141 AG 1998 2015 4 97 70.7 3.30 15.10 11.80
Octuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
266.5
Precise sep
63.557
Constellation
Cygnus
SAO
71070
HIP
104732
Tycho2
2702-02764-1
Gaia DR2
59347035520
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
 
 
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
21129+3014 FYM 141 AF 2015 4 267 63.6 3.30 14.00 G8+III-a N 211256.19+301336.9

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