20144+3801 SLE 971

 
 
20h 14m 23.59s +38 01' 02.5" P.A. 228 sep 18.9 mag 9.57,13.20 Sp F2III
 
 
Coord 2000
20144+3801
Discov num
SLE 971
Comp
Coord arcsec 2000
20 14 23.59 +38 01 02.5
Date first
1985
Date last
2015
Obs
8
Pa first
243
Pa last
228
P.A. Now (θ)
228°
Sep first
15.6
Sep last
18.9
Sep. Now (ρ)
18.9"
Mag pri
9.57
Mag sec
13.20
delta mag (ΔM)
3.63
Spectral class
F2III (yellow-white)
Pri motion ra
-005
Sec motion ra
-005
Pri motion dec
-012
Sec motion dec
-010
Notes
rPM=0.154 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
228.2
Precise sep
18.878
Constellation
Cygnus
Tycho2
3151-03113-1
Gaia DR2
67195442048
HD
228491
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20144+3801 SLE 971 1985 1 243 15.6 10.00 12.90 201423.53+380057.3
20144+3801 SLE 971 1999 2 229 18.8 9.57 13.20 201423.59+380102.5
20144+3801 SLE 971 2002 3 228 18.8 9.57 13.20 201423.59+380102.5
20144+3801 SLE 971 2010 4 229 18.8 9.57 13.20 F2III 201423.59+380102.5
20144+3801 SLE 971 2015 5 228 18.9 9.57 13.20 F2III 201423.59+380102.5

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