20187+1551 CHE 297AB

 
 
20h 18m 44.52s +15 50' 10.4" P.A. 6 sep 35.1 mag 11.30,11.50
 
 
Coord 2000
20187+1551
Discov num
CHE 297
Comp
AB
Coord arcsec 2000
20 18 44.52 +15 50 10.4
Date first
1910
Date last
2016
Obs
11
Pa first
353
Pa last
6
P.A. Now (θ)
Sep first
29.4
Sep last
35.1
Sep. Now (ρ)
35.1"
Mag pri
11.30
Mag sec
11.50
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-004
Sec motion ra
+220
Pri motion dec
-002
Sec motion dec
-071
Notes
rPM=1.014
This double is not physical.
 
 
20187+1551 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20187+1551 CHE 297 AB 1910 2016 11 6 35.1 11.30 11.50 0.20 <===
Show 20187+1551 CHE 298 AC 1910 2016 12 318 16.8 11.30 12.30 1.00
Show 20187+1551 CHE 298 BC 1998 2016 5 214 27.0 11.50 12.30 0.80
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
6.4
Precise sep
35.05
Constellation
Delphinus
Gaia DR2
06476198144
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20187+1551 CHE 297 AB 2002 3 2 35.7 9.86 9.98 201843.72+155023.0
20187+1551 CHE 297 AB 2008 4 30 26.7 9.86 9.98 201843.72+155023.0
20187+1551 CHE 297 AB 2016 6 6 35.1 11.30 11.50 201844.52+155010.4

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