20200+8306 LOC 454

 
 
20h 20m 00.35s +83 05' 35.8" P.A. 145.00 sep 7.8 mag 11.90,18.10
 
 
Coord 2000
20200+8306
Discov num
LOC 454
Comp
Coord arcsec 2000
20 20 00.35 +83 05 35.8
Date first
1999
Date last
2015
Obs
4
Pa first
146
Pa last
145
P.A. Now (θ)
145°
Sep first
7.8
Sep last
7.8
Sep. Now (ρ)
7.8"
Mag pri
11.90
Mag sec
18.10
delta mag (ΔM)
6.2
Spectral class
Pri motion ra
+097
Sec motion ra
+097
Pri motion dec
+194
Sec motion dec
+195
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.005 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
145.3
Precise sep
7.811
Constellation
Draco
Tycho2
4649-03358-1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20200+8306 LOC 454 2015 4 145 7.8 11.90 18.10 V 202000.35+830535.8

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