20003+4621 A   719

 
 
20h 00m 16.61s +46 20' 19.0" P.A. 109 sep 2.9 mag 9.90,10.43 Sp A0
 
 
Coord 2000
20003+4621
Discov num
A   719
Comp
Coord arcsec 2000
20 00 16.61 +46 20 19.0
Date first
1904
Date last
2003
Obs
10
Pa first
107
Pa last
109
P.A. Now (θ)
109°
Sep first
2.7
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
9.90
Mag sec
10.43
delta mag (ΔM)
0.53
Spectral class
A0 (white)
Pri motion ra
-005
Sec motion ra
-002
Pri motion dec
+006
Sec motion dec
+001
Notes
rPM=0.747
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
108.5
Precise sep
2.93
Constellation
Cygnus
Tycho2
3558-01435-1
HD
189881
last precise pa
108.5
last precise sep
2.93
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20003+4621 A 719 2001 9 110 2.9 9.90 10.43 A0 200016.61+462019.0
20003+4621 A 719 2003 10 109 2.9 9.90 10.43 A0 200016.61+462019.0

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