20181+1605 BKO 561

 
 
20h 18m 04.15s +16 04' 52.2" P.A. 91 sep 5.8 mag 10.80,12.00
 
 
Coord 2000
20181+1605
Discov num
BKO 561
Comp
Coord arcsec 2000
20 18 04.15 +16 04 52.2
Date first
1998
Date last
2015
Obs
8
Pa first
91
Pa last
91
P.A. Now (θ)
91°
Sep first
5.8
Sep last
5.8
Sep. Now (ρ)
5.8"
Mag pri
10.80
Mag sec
12.00
delta mag (ΔM)
1.2
Spectral class
Pri motion ra
+005
Sec motion ra
+048
Pri motion dec
-006
Sec motion dec
-017
Notes
N (See Notes)
rPM=0.872
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
90.9
Precise sep
5.798
Constellation
Delphinus
SAO
105935
Tycho2
1631-00349-1
Gaia DR2
17693629440
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20181+1605 BKO 561 2008 1 91 5.8 10.80 12.00 N 201804.15+160452.2
20181+1605 BKO 561 2010 4 91 5.7 10.80 12.00 N 201804.15+160452.2
20181+1605 BKO 561 2015 5 91 5.8 10.80 12.00 N 201804.15+160452.2

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