20180+1543 CHE 285

 
 
20h 18m 00.07s +15 42' 18.9" P.A. 18 sep 7.1 mag 10.21,10.33
 
 
Coord 2000
20180+1543
Discov num
CHE 285
Comp
Coord arcsec 2000
20 18 00.07 +15 42 18.9
Date first
1910
Date last
2018
Obs
11
Pa first
15
Pa last
18
P.A. Now (θ)
18°
Sep first
7.7
Sep last
7.1
Sep. Now (ρ)
7.1"
Mag pri
10.21
Mag sec
10.33
delta mag (ΔM)
0.12
Spectral class
Pri motion ra
-001
Sec motion ra
+004
Pri motion dec
+008
Sec motion dec
-006
Notes
rPM=1.844
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
17.6
Precise sep
7.105
Constellation
Delphinus
Gaia DR2
69376800384
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20180+1543 CHE 285 1998 2 17 7.2 10.21 10.33 D 201800.07+154218.9
20180+1543 CHE 285 2008 3 17 7.1 10.21 10.33 D 201800.07+154218.9
20180+1543 CHE 285 2010 5 17 6.3 10.21 10.33 201800.07+154218.9
20180+1543 CHE 285 2017 5 17 7.1 10.21 10.33 201800.07+154218.9
20180+1543 CHE 285 2018 7 18 7.1 10.21 10.33 201800.07+154218.9

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