20167+8156 LOC 441

 
 
20h 16m 43.68s +81 56' 12.5" P.A. 139.00 sep 1.0 mag 17.10,17.30
 
 
Coord 2000
20167+8156
Discov num
LOC 441
Comp
Coord arcsec 2000
20 16 43.68 +81 56 12.5
Date first
2015
Date last
2015
Obs
1
Pa first
139
Pa last
139
P.A. Now (θ)
139°
Sep first
1.0
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
17.10
Mag sec
17.30
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+016
Sec motion ra
+017
Pri motion dec
+041
Sec motion dec
+040
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.032 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
138.6
Precise sep
1.034
Constellation
Draco
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20167+8156 LOC 441 2015 1 139 1.0 17.10 17.30 V 201643.68+815612.5

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