20151+1555 CHE 241

 
 
20h 15m 06.45s +15 55' 38.0" P.A. 49 sep 21.3 mag 12.60,13.50
 
 
Coord 2000
20151+1555
Discov num
CHE 241
Comp
Coord arcsec 2000
20 15 06.45 +15 55 38.0
Date first
1910
Date last
2015
Obs
11
Pa first
50
Pa last
49
P.A. Now (θ)
49°
Sep first
22.0
Sep last
21.3
Sep. Now (ρ)
21.3"
Mag pri
12.60
Mag sec
13.50
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
+001
Sec motion ra
+004
Pri motion dec
-015
Sec motion dec
-014
Notes
rPM=0.21 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
48.8
Precise sep
21.303
Constellation
Delphinus
Gaia DR2
82705059072
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20151+1555 CHE 241 1910 1 50 22.0 10.18 11.00 201506.44+155538.7
20151+1555 CHE 241 2008 2 49 21.4 10.18 11.00 201506.44+155538.7
20151+1555 CHE 241 2010 6 49 21.3 12.60 13.50 201506.45+155538.0
20151+1555 CHE 241 2015 7 49 21.3 12.60 13.50 201506.45+155538.0

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