20160+3856 ALI 926

 
 
20h 16m 02.23s +38 56' 10.3" P.A. 282 sep 8.6 mag 12.20,12.90
 
 
Coord 2000
20160+3856
Discov num
ALI 926
Comp
Coord arcsec 2000
20 16 02.23 +38 56 10.3
Date first
1929
Date last
2015
Obs
9
Pa first
286
Pa last
282
P.A. Now (θ)
282°
Sep first
9.0
Sep last
8.6
Sep. Now (ρ)
8.6"
Mag pri
12.20
Mag sec
12.90
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
-007
Sec motion ra
-008
Pri motion dec
-008
Sec motion dec
-012
Notes
rPM=0.286 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
282.1
Precise sep
8.576
Constellation
Cygnus
SAO
69720
Gaia DR2
75426978176
HD
192934
HR
7752
DM
BD+38 3977
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20160+3856 ALI 926 1929 1 286 9.0 12.70 12.90 201600.00+385600.0
20160+3856 ALI 926 1998 2 283 8.6 12.20 12.90 D 201602.23+385610.3
20160+3856 ALI 926 2002 3 282 8.7 12.20 12.90 D 201602.23+385610.3
20160+3856 ALI 926 2010 4 283 8.5 12.20 12.90 201602.23+385610.3
20160+3856 ALI 926 2015 5 282 8.6 12.20 12.90 201602.23+385610.3

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