18000+5316 A  1886

 
 
17h 59m 58.93s +53 16' 16.3" P.A. 341 sep 4.7 mag 9.40,10.50 Sp G0
 
 
Coord 2000
18000+5316
Discov num
A  1886
Comp
Coord arcsec 2000
17 59 58.93 +53 16 16.3
Date first
1902
Date last
2015
Obs
12
Pa first
336
Pa last
341
P.A. Now (θ)
341°
Sep first
4.3
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
9.40
Mag sec
10.50
delta mag (ΔM)
1.1
Spectral class
G0 (yellow)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-030
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
340.5
Precise sep
4.709
Constellation
Draco
SAO
30681
Tycho2
3902-01062-1
HD
234533
last precise pa
340.5
last precise sep
4.709
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18000+5316 A 1886 2003 9 341 4.7 9.40 10.50 G0 D 175958.93+531616.3
18000+5316 A 1886 2015 12 341 4.7 9.40 10.50 G0 175958.93+531616.3

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