21492+4702 COU2317AC

 
 
21h 49m 19.35s +47 02' 03.7" P.A. 143 sep 21.1 mag 12.00,11.60
 
 
Coord 2000
21492+4702
Discov num
COU2317
Comp
AC
Coord arcsec 2000
21 49 19.35 +47 02 03.7
Date first
1895
Date last
2003
Obs
7
Pa first
147
Pa last
143
P.A. Now (θ)
143°
Sep first
20.5
Sep last
21.1
Sep. Now (ρ)
21.1"
Mag pri
12.00
Mag sec
11.60
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-018
Sec motion ra
Pri motion dec
-015
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21492+4702 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21492+4702 COU2317 AB 1985 1985 1 107 0.4 12.00 12.30 0.30
Show 21492+4702 COU2317 AC 1895 2003 7 143 21.1 12.00 11.60 0.40 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
142.5
Precise sep
21.105
Cdsa2 id
COU 2317 AC
Constellation
Cygnus
Ra deg
21.822041666666667
De deg
47.03436111111111
last precise pa
142.5
last precise sep
21.105
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21492+4702 COU2317 AC 1985 2 144 21.0 12.00 11.60 214919.35+470203.7
21492+4702 COU2317 AC 2003 7 143 21.1 12.00 11.60 214919.35+470203.7

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