20426+1335 HEI 279BC

 
 
20h 42m 36.68s +13 35' 00.1" P.A. 211 sep 4.1 mag 11.70,12.20 dist. 116.69 pc (380.64 l.y.)
 
 
Coord 2000
20426+1335
Discov num
HEI 279
Comp
BC
Coord arcsec 2000
20 42 36.68 +13 35 00.1
Date first
1984
Date last
2016
Obs
4
Pa first
213
Pa last
211
P.A. Now (θ)
211°
Sep first
3.6
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
11.70
Mag sec
12.20
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+043
Sec motion ra
-016
Pri motion dec
+075
Sec motion dec
-026
Notes
rPM=1.353
This double is not physical.
 
 
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 2016 6 115 25.1 9.02 11.70 2.68
Show 106411 20426+1335 HEI 279 BC 1984 2016 4 211 4.1 11.70 12.20 0.50 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
211.1
Precise sep
4.12
Spectr
F8
Constellation
Delphinus
SAO
106411
HIP
102209
Tycho2
1101-00440-1
Gaia DR2
1762054760327477760
BD
BD+13 4494
Distance
116.69
Distance ly
380.64
 
 
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 BC 1984 1 213 3.6 11.70 12.20 204236.68+133500.1
20426+1335 HEI 279 BC 2001 2 210 4.0 11.70 12.20 204236.68+133500.1
20426+1335 HEI 279 BC 2016 4 211 4.1 11.70 12.20 204236.68+133500.1

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