19501+3158 ES 2427AB

 
 
19h 50m 01.93s +31 57' 57.5" P.A. 50 sep 15.6 mag 10.70,12.40 Sp F8
 
 
Coord 2000
19501+3158
Discov num
ES 2427
Comp
AB
Coord arcsec 2000
19 50 01.93 +31 57 57.5
Date first
1930
Date last
2011
Obs
5
Pa first
64
Pa last
50
P.A. Now (θ)
50°
Sep first
4.0
Sep last
15.6
Sep. Now (ρ)
15.6"
Mag pri
10.70
Mag sec
12.40
delta mag (ΔM)
1.7
Spectral class
F8 (yellow-white)
Pri motion ra
-119
Sec motion ra
+026
Pri motion dec
-121
Sec motion dec
-001
Notes
rPM=1.109
This double is not physical.
 
 
19501+3158 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19501+3158 HDS2823 Aa,Ab 1991 1991 1 91 0.7 10.33 13.79 3.46
Show 19501+3158 ES 2427 AB 1930 2011 5 50 15.6 10.70 12.40 1.70 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
50.4
Precise sep
15.56
Constellation
Cygnus
last precise pa
50.4
last precise sep
15.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19501+3158 ES 2427 AB 1933 2 74 4.3 10.70 12.40 F8 195001.93+315757.5
19501+3158 ES 2427 AB 2011 3 50 15.6 10.70 12.40 F8 195001.93+315757.5

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