18211+8416 LDS1887

 
 
18h 21m 34.70s +84 16' 20.1" P.A. 273 sep 98.9 mag 18.40,19.70
 
 
Coord 2000
18211+8416
Discov num
LDS1887
Comp
Coord arcsec 2000
18 21 34.70 +84 16 20.1
Date first
1965
Date last
2010
Obs
3
Pa first
276
Pa last
273
P.A. Now (θ)
273°
Sep first
98.0
Sep last
98.9
Sep. Now (ρ)
98.9"
Mag pri
18.40
Mag sec
19.70
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
-326
Sec motion ra
Pri motion dec
+207
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
273.1
Precise sep
98.85
Constellation
Draco
last precise pa
273.1
last precise sep
98.85
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18211+8416 LDS1887 1999 2 273 97.3 18.40 19.70 D 182134.70+841620.1
18211+8416 LDS1887 2010 3 274 98.8 18.40 19.70 182134.70+841620.1

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