20426+1335 HEI 279AB

 
 
20h 42m 35.12s +13 35' 10.4" P.A. 115 sep 25.5 mag 9.02,11.70 Sp F8 dist. 116.69 pc (380.64 l.y.)
 
 
Coord 2000
20426+1335
Discov num
HEI 279
Comp
AB
Coord arcsec 2000
20 42 35.12 +13 35 10.4
Date first
1984
Date last
2012
Obs
4
Pa first
111
Pa last
115
P.A. Now (θ)
115°
Sep first
24.0
Sep last
25.5
Sep. Now (ρ)
25.5"
Mag pri
9.02
Mag sec
11.70
delta mag (ΔM)
2.68
Spectral class
F8 (yellow-white)
Pri motion ra
+022
Sec motion ra
+043
Pri motion dec
+032
Sec motion dec
+075
Notes
rPM=0.554
Nature of this double is uncertain.
 
 
20426+1335 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 106411 20426+1335 HEI 279 AB 1984 2012 4 115 25.5 9.02 11.70 2.68 <===
Show 106411 20426+1335 HEI 279 BC 1984 2001 2 210 4.0 11.70 12.20 0.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
114.6
Precise sep
25.53
Constellation
Delphinus
SAO
106411
HIP
102209
Tycho2
1101-00440-1
BD
BD+13 4494
Distance
116.69
Distance ly
380.64
last precise pa
114.6
last precise sep
25.53
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20426+1335 HEI 279 AB 1997 2 113 25.2 9.02 11.70 F8 D 204235.12+133510.4
20426+1335 HEI 279 AB 2001 3 113 25.2 9.02 11.70 F8 D 204235.12+133510.4
20426+1335 HEI 279 AB 2012 4 115 25.5 9.02 11.70 F8 D 204235.12+133510.4

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