20196+2154 COU 220

 
 
20h 19m 36.37s +21 53' 53.7" P.A. 118 sep 1.8 mag 9.52,12.32 Sp K0 dist. 3030.3 pc (9884.84 l.y.)
 
 
Coord 2000
20196+2154
Discov num
COU 220
Comp
Coord arcsec 2000
20 19 36.37 +21 53 53.7
Date first
1967
Date last
2007
Obs
5
Pa first
122
Pa last
118
P.A. Now (θ)
118°
Sep first
1.6
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
9.52
Mag sec
12.32
delta mag (ΔM)
2.8
Spectral class
K0 (yellow-orange)
Pri motion ra
-009
Sec motion ra
-008
Pri motion dec
-013
Sec motion dec
-010
Notes
rPM=0.2 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
118.3
Precise sep
1.793
Constellation
Vulpecula
HIP
100220
Tycho2
1643-01210-1
Gaia DR2
16775200768
HD
346429
BD
BD+21 4156
Distance
3030.3
Distance ly
9884.84
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20196+2154 COU 220 1996 4 119 1.9 9.52 12.32 K0 201936.37+215353.7
20196+2154 COU 220 2007 5 118 1.8 9.52 12.32 K0 201936.37+215353.7

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