21129+3014 FYM 141 AF

21h 12m 56.19s +30° 13' 36.9" P.A. 267.00 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 266.5 P.A. Now (θ) 266.5°
Sep first 63.7 Sep last 63.557 Sep. Now (ρ) 63.557"
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 wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 71070 21 12 56 +30 13 37 BAS 7 Aa,Ab 2000 1 246 0.0 3.20 13.20 10.00
Show Zet Cyg 71070 21 12 56 +30 13 37 BUP 227 AB 2015 8 205 65.2 3.30 11.70 8.40
Show 71070 21 12 56 +30 13 37 BUP 227 AC 2015 7 300 91.5 3.30 12.73 9.43
Show 71070 21 12 56 +30 13 37 BUP 227 AD 2015 8 63 105.3 3.30 12.70 9.40
Show 71070 21 12 56 +30 13 37 FYM 141 AE 2015 3 76 42.8 3.30 14.10 10.80
Show 71070 21 12 56 +30 13 37 FYM 141 AF 2015 4 267 63.6 3.30 14.00 10.70 <===
Show 71070 21 12 56 +30 13 37 FYM 141 AG 2015 4 97 70.7 3.30 15.10 11.80


Octuple system
7 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Cygnus SAO 71070 HIP 104732 Tycho2 2702-02764-1
Gaia DR2 1851924859347035520 HD 202109 HR 8115 GC 29661
BD BD+29 4348 Bayer Zeta Cygni Bayer name Zet Cyg Flamsteed 64 Cygni
Flamsteed name 64 Cyg FK5 797 Distance 43.88 Distance ly 143.14
Bayer greek ζ Cyg