18377+6342 HU  933

 
 
18h 37m 43.03s +63 41' 48.7" P.A. 2 sep 0.9 mag 9.10,13.60 Sp F2
 
 
Coord 2000
18377+6342
Discov num
HU  933
Comp
Coord arcsec 2000
18 37 43.03 +63 41 48.7
Date first
1904
Date last
2008
Obs
6
Pa first
17
Pa last
2
P.A. Now (θ)
Sep first
1.0
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
9.10
Mag sec
13.60
delta mag (ΔM)
4.5
Spectral class
F2 (yellow-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
+019
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
2.4
Precise sep
0.929
Constellation
Draco
SAO
17959
Tycho2
4219-01635-1
last precise pa
2.4
last precise sep
0.929
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18377+6342 HU 933 1984 5 8 0.9 9.10 13.60 F2 183743.03+634148.7
18377+6342 HU 933 2008 6 2 0.9 9.10 13.60 F2 183743.03+634148.7

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