18215+3016 UC 3558

 
 
18h 21m 32.51s +30 16' 09.3" P.A. 268 sep 45.1 mag 15.40,15.60
 
 
Coord 2000
18215+3016
Discov num
UC 3558
Comp
Coord arcsec 2000
18 21 32.51 +30 16 09.3
Date first
1998
Date last
2015
Obs
3
Pa first
269
Pa last
268
P.A. Now (θ)
268°
Sep first
44.7
Sep last
45.1
Sep. Now (ρ)
45.1"
Mag pri
15.40
Mag sec
15.60
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-045
Sec motion ra
-030
Pri motion dec
-044
Sec motion dec
-049
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.251 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
268.2
Precise sep
45.105
Constellation
Lyra
last precise pa
268.2
last precise sep
45.105
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18215+3016 UC 3558 2000 2 269 44.8 15.40 15.60 V 182132.51+301609.3
18215+3016 UC 3558 2002 2 269 44.8 15.40 15.60 V 182132.51+301609.3
18215+3016 UC 3558 2015 3 268 45.1 15.40 15.60 V R 182132.51+301609.3

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