19597+3359 FRT   2AD

 
 
19h 59m 42.57s +33 59' 27.8" P.A. 66 sep 6.7 mag 11.55,16.80 Sp C-Hd
 
 
Coord 2000
19597+3359
Discov num
FRT   2
Comp
AD
Coord arcsec 2000
19 59 42.57 +33 59 27.8
Date first
1984
Date last
1998
Obs
2
Pa first
63
Pa last
66
P.A. Now (θ)
66°
Sep first
6.2
Sep last
6.7
Sep. Now (ρ)
6.7"
Mag pri
11.55
Mag sec
16.80
delta mag (ΔM)
5.25
Spectral class
C-Hd (red carbon star)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19597+3359 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19597+3359 FRT 2 AB 1984 2002 3 237 6.9 11.55 13.20 1.65
Show 19597+3359 FRT 2 AC 1984 1984 1 312 2.9 11.55 15.20 3.65
Show 19597+3359 FRT 2 AD 1984 1998 2 66 6.7 11.55 16.80 5.25 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
66.1
Precise sep
6.66
Constellation
Cygnus
last precise pa
66.1
last precise sep
6.66
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19597+3359 FRT 2 AD 1984 1 63 6.2 11.00 16.80 195942.57+335927.9
19597+3359 FRT 2 AD 1998 2 66 6.7 11.55 16.80 D 195942.57+335927.8

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