20178+8314 LOC 442

 
 
20h 17m 46.61s +83 14' 05.8" P.A. 74.00 sep 1.5 mag 15.40,15.60
 
 
Coord 2000
20178+8314
Discov num
LOC 442
Comp
Coord arcsec 2000
20 17 46.61 +83 14 05.8
Date first
2015
Date last
2015
Obs
1
Pa first
74
Pa last
74
P.A. Now (θ)
74°
Sep first
1.5
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
15.40
Mag sec
15.60
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+048
Sec motion ra
+047
Pri motion dec
+030
Sec motion dec
+030
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.018 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
73.5
Precise sep
1.466
Constellation
Draco
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20178+8314 LOC 442 2015 1 74 1.5 15.40 15.60 V 201746.61+831405.8

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