20069+3115 ES 2690AC

 
 
20h 06m 52.25s +31 15' 02.2" P.A. 250 sep 33.6 mag 8.86,10.55 Sp F7V
 
 
Coord 2000
20069+3115
Discov num
ES 2690
Comp
AC
Coord arcsec 2000
20 06 52.25 +31 15 02.2
Date first
1893
Date last
2015
Obs
16
Pa first
253
Pa last
250
P.A. Now (θ)
250°
Sep first
33.5
Sep last
33.6
Sep. Now (ρ)
33.6"
Mag pri
8.86
Mag sec
10.55
delta mag (ΔM)
1.69
Spectral class
F7V (yellow-white)
Pri motion ra
-039
Sec motion ra
-040
Pri motion dec
-030
Sec motion dec
-031
Notes
rPM=0.028 (< 0.3, Physical double)
This double is physical.
 
 
20069+3115 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20069+3115 SEI 882 AB 1893 2015 21 60 33.9 8.86 10.58 1.72
Show 20069+3115 ES 2690 AC 1893 2015 16 250 33.6 8.86 10.55 1.69 <===
Show 20069+3115 ABH 130 AD 1987 2015 8 208 61.2 8.86 13.42 4.56
Show 20069+3115 ABH 130 AE 1987 2015 8 222 65.0 8.86 13.36 4.50
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
250.3
Precise sep
33.604
Constellation
Cygnus
SAO
69428
Tycho2
2671-01412-1
Gaia DR2
69597882624
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20069+3115 ES 2690 AC 2004 9 251 32.6 8.86 10.80 F7V D 200652.25+311502.2
20069+3115 ES 2690 AC 2012 11 250 32.6 8.86 10.80 F7V D 200652.25+311502.2
20069+3115 ES 2690 AC 2015 12 250 33.6 8.86 10.55 F7V 200652.25+311502.2

If you need more information about this double, apply for a data request form to the WDS.