20217-0745 HO  277

 
 
20h 21m 41.96s -07 45' 19.1" P.A. 68.00 sep 3.0 mag 8.91,13.30 Sp F8
 
 
Coord 2000
20217-0745
Discov num
HO  277
Comp
Coord arcsec 2000
20 21 41.96 -07 45 19.1
Date first
1888
Date last
2016
Obs
7
Pa first
70
Pa last
68
P.A. Now (θ)
68°
Sep first
2.8
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
8.91
Mag sec
13.30
delta mag (ΔM)
4.39
Spectral class
F8 (yellow-white)
Pri motion ra
+060
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
67.5
Precise sep
3.008
Constellation
Aquila
Tycho2
5741-00079-1
Gaia DR2
33398838272
HD
193653
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20217-0745 HO 277 1939 5 68 3.6 8.91 13.30 F8 202141.96-074519.1
20217-0745 HO 277 2016 6 68 3.0 8.91 13.30 F8 202141.96-074519.1

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