20156+0615 HJL 277

 
 
20h 15m 37.23s +06 14' 40.0" P.A. 251.00 sep 114.8 mag 9.30,10.54 Sp K2
 
 
Coord 2000
20156+0615
Discov num
HJL 277
Comp
Coord arcsec 2000
20 15 37.23 +06 14 40.0
Date first
1897
Date last
2015
Obs
18
Pa first
251
Pa last
251
P.A. Now (θ)
251°
Sep first
116.6
Sep last
114.8
Sep. Now (ρ)
114.8"
Mag pri
9.30
Mag sec
10.54
delta mag (ΔM)
1.24
Spectral class
K2 (yellow-orange)
Pri motion ra
-137
Sec motion ra
-120
Pri motion dec
-084
Sec motion dec
-075
Notes
U V (Proper motion indicates non-physical, Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.12 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
250.9
Precise sep
114.775
Constellation
Aquila
Tycho2
0508-02099-1
Gaia DR2
88504905600
HD
192623
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20156+0615 HJL 277 2000 9 251 115.1 9.30 10.54 K2 VD 201537.23+061440.0
20156+0615 HJL 277 2013 15 251 114.8 9.30 10.54 K2 U V 201537.23+061440.0
20156+0615 HJL 277 2015 16 251 114.7 9.30 10.54 K2 U V 201537.23+061440.0

If you need more information about this double, apply for a data request form to the WDS.