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Doubles in session


Current system
20186+1548
CHE 295


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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20186+1548 CHE 295

 
 
20h 18m 36.96s +15° 47' 45.5" P.A. 260.00 sep 13.6 mag 13.00,13.30
 
 
Coord 2000
20186+1548
 Discov num
CHE 295
 Comp
Coord arcsec 2000
20 18 36.96 +15 47 45.5
Date first
1910
 Date last
2019
 Obs
11
Pa first
272
 Pa last
260
 P.A. Now (θ)
260°
Sep first
15.2
 Sep last
13.6
 Sep. Now (ρ)
13.6"
Mag pri
13.00
 Mag sec
13.30
 delta mag (ΔM)
0.3
 Spectral class
Pri motion ra
-001
 Sec motion ra
-003
Pri motion dec
+001
 Sec motion dec
-025
Notes
rPM=1.036
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
259.7
 Precise sep
13.6
 Constellation
Delphinus
 Gaia DR2
1808396293522215552
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20186+1548 CHE 295 1984 2 263 16.1 10.18 10.30 201836.97+154745.3
20186+1548 CHE 295 2008 3 260 13.7 10.18 10.30 201836.97+154745.3
20186+1548 CHE 295 2010 6 260 13.5 13.00 13.30 201836.96+154745.5
20186+1548 CHE 295 2015 7 259 13.6 13.00 13.30 201836.96+154745.5
20186+1548 CHE 295 2019 11 260 13.6 13.00 13.30 201836.96+154745.5

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