20179+1520 SMA 116

 
 
20h 17m 53.73s +15 19' 43.8" P.A. 159.00 sep 9.7 mag 11.53,14.22
 
 
Coord 2000
20179+1520
Discov num
SMA 116
Comp
Coord arcsec 2000
20 17 53.73 +15 19 43.8
Date first
1921
Date last
2015
Obs
10
Pa first
150
Pa last
159
P.A. Now (θ)
159°
Sep first
8.9
Sep last
9.7
Sep. Now (ρ)
9.7"
Mag pri
11.53
Mag sec
14.22
delta mag (ΔM)
2.69
Spectral class
Pri motion ra
-010
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
159.1
Precise sep
9.657
Constellation
Delphinus
SAO
105936
Gaia DR2
16962945152
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20179+1520 SMA 116 2008 4 160 9.8 11.53 14.22 N D 201753.73+151943.8
20179+1520 SMA 116 2010 6 160 9.2 11.53 14.22 N 201753.73+151943.8
20179+1520 SMA 116 2015 6 159 9.7 11.53 14.22 N 201753.73+151943.8

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