18093-2809 ALD  67

 
 
18h 09m 17.21s -28 08' 25.6" P.A. 17 sep 1.9 mag 11.50,11.70
 
 
Coord 2000
18093-2809
Discov num
ALD  67
Comp
Coord arcsec 2000
18 09 17.21 -28 08 25.6
Date first
1929
Date last
2015
Obs
3
Pa first
20
Pa last
17
P.A. Now (θ)
17°
Sep first
2.0
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
11.50
Mag sec
11.70
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-015
Sec motion ra
Pri motion dec
-027
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
17
Precise sep
1.906
Constellation
Sagittarius
Gaia DR2
4050923066670806400
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18093-2809 ALD 67 1929 1 20 2.0 11.00 11.00 180920.00-280900.0
18093-2809 ALD 67 2015 2 17 1.9 11.50 11.70 180917.21-280825.6

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