20012+4821 A   720

 
 
20h 01m 12.24s +48 20' 30.2" P.A. 96 sep 0.5 mag 10.42,10.49 Sp F8
 
 
Coord 2000
20012+4821
Discov num
A   720
Comp
Coord arcsec 2000
20 01 12.24 +48 20 30.2
Date first
1904
Date last
2008
Obs
10
Pa first
64
Pa last
96
P.A. Now (θ)
96°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.42
Mag sec
10.49
delta mag (ΔM)
0.07
Spectral class
F8 (yellow-white)
Pri motion ra
+020
Sec motion ra
+020
Pri motion dec
+033
Sec motion dec
+033
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
96.3
Precise sep
0.472
Constellation
Cygnus
SAO
49093
Tycho2
3562-00724-1
last precise pa
96.3
last precise sep
0.472
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20012+4821 A 720 1991 8 88 0.5 10.42 10.49 F8 200112.24+482030.2
20012+4821 A 720 2008 10 96 0.5 10.42 10.49 F8 200112.24+482030.2

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