20008-0749 RST4647

 
 
20h 00m 49.81s -07 49' 17.8" P.A. 90 sep 0.5 mag 10.90,10.90 Sp F8
 
 
Coord 2000
20008-0749
Discov num
RST4647
Comp
Coord arcsec 2000
20 00 49.81 -07 49 17.8
Date first
1938
Date last
1997
Obs
4
Pa first
88
Pa last
90
P.A. Now (θ)
90°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.90
Mag sec
10.90
delta mag (ΔM)
0
Spectral class
F8 (yellow-white)
Pri motion ra
+016
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
89.7
Precise sep
0.47
Constellation
Aquila
Tycho2
5738-00445-1
HD
189535
last precise pa
89.7
last precise sep
0.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20008-0749 RST4647 1997 4 90 0.5 10.90 10.90 F8 200049.81-074917.8

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