20181+1552 CHE 289

 
 
20h 18m 07.22s +15 51' 56.0" P.A. 39 sep 32.5 mag 11.56,13.34
 
 
Coord 2000
20181+1552
Discov num
CHE 289
Comp
Coord arcsec 2000
20 18 07.22 +15 51 56.0
Date first
1910
Date last
2015
Obs
13
Pa first
40
Pa last
39
P.A. Now (θ)
39°
Sep first
33.5
Sep last
32.5
Sep. Now (ρ)
32.5"
Mag pri
11.56
Mag sec
13.34
delta mag (ΔM)
1.78
Spectral class
Pri motion ra
+004
Sec motion ra
-014
Pri motion dec
+002
Sec motion dec
-010
Notes
rPM=1.257
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
39
Precise sep
32.534
Constellation
Delphinus
Tycho2
1631-00091-1
Gaia DR2
11332440576
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20181+1552 CHE 289 1998 3 39 32.7 9.76 11.00 D 201807.22+155156.0
20181+1552 CHE 289 2008 4 39 32.7 9.76 11.00 D 201807.22+155156.0
20181+1552 CHE 289 2013 7 40 32.5 11.56 13.34 201807.22+155156.0
20181+1552 CHE 289 2015 9 39 32.5 11.56 13.34 201807.22+155156.0

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