20027+3340 WAK  13CD

 
 
20h 02m 42.42s +33 40' 34.9" P.A. 6 sep 2.9 mag 12.20,14.50
 
 
Coord 2000
20027+3340
Discov num
WAK  13
Comp
CD
Coord arcsec 2000
20 02 42.42 +33 40 34.9
Date first
1971
Date last
2015
Obs
4
Pa first
7
Pa last
6
P.A. Now (θ)
Sep first
2.7
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
12.20
Mag sec
14.50
delta mag (ΔM)
2.3
Spectral class
Pri motion ra
+012
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20027+3340 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20027+3340 HO 118 AB 1883 2002 12 28 3.0 10.00 11.90 1.90
Show 20027+3340 DAM 7 AC 1934 2015 5 308 60.7 9.59 12.21 2.62
Show 20027+3340 WAK 13 CD 1971 2015 4 6 2.9 12.20 14.50 2.30 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
6.3
Precise sep
2.876
Constellation
Cygnus
SAO
69306
Gaia DR2
01151978240
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20027+3340 WAK 13 CD 1971 1 7 2.7 10.00 11.40 200242.42+334034.9
20027+3340 WAK 13 CD 2005 2 5 2.8 12.20 14.50 200242.42+334034.9
20027+3340 WAK 13 CD 2015 4 6 2.9 12.20 14.50 200242.42+334034.9

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