20088-2242 WHC  18

 
 
20h 08m 49.83s -22 41' 37.3" P.A. 312 sep 20.8 mag 8.84,10.33 Sp F6/7V
 
 
Coord 2000
20088-2242
Discov num
WHC  18
Comp
Coord arcsec 2000
20 08 49.83 -22 41 37.3
Date first
1883
Date last
2016
Obs
15
Pa first
315
Pa last
312
P.A. Now (θ)
312°
Sep first
21.0
Sep last
20.8
Sep. Now (ρ)
20.8"
Mag pri
8.84
Mag sec
10.33
delta mag (ΔM)
1.49
Spectral class
F6/7V (yellow-white)
Pri motion ra
+041
Sec motion ra
+042
Pri motion dec
-018
Sec motion dec
-018
Notes
rPM=0.022 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
312.2
Precise sep
20.8
Constellation
Capricornus
SAO
188952
Tycho2
6905-00175-1
Gaia DR2
00621138688
HD
191071
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20088-2242 WHC 18 1998 11 313 21.0 8.84 10.33 F6/7V D 200849.83-224137.3
20088-2242 WHC 18 1999 12 313 20.7 8.84 10.33 F6/7V D 200849.83-224137.3
20088-2242 WHC 18 2010 13 313 20.9 8.84 10.33 F6/7V 200849.83-224137.3
20088-2242 WHC 18 2016 14 312 20.8 8.84 10.33 F6/7V 200849.83-224137.3

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