20214+8523 LOC 457

 
 
20h 21m 22.79s +85 23' 00.3" P.A. 271.00 sep 1.9 mag 14.50,15.00
 
 
Coord 2000
20214+8523
Discov num
LOC 457
Comp
Coord arcsec 2000
20 21 22.79 +85 23 00.3
Date first
2015
Date last
2015
Obs
1
Pa first
271
Pa last
271
P.A. Now (θ)
271°
Sep first
1.9
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
14.50
Mag sec
15.00
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+068
Sec motion ra
+063
Pri motion dec
+055
Sec motion dec
+051
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.073 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
271
Precise sep
1.925
Constellation
Draco
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20214+8523 LOC 457 2015 1 271 1.9 14.50 15.00 V 202122.79+852300.3

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