20172+1515 CHE 274AB

 
 
20h 17m 14.35s +15 14' 49.4" P.A. 148 sep 27.5 mag 12.75,12.86
 
 
Coord 2000
20172+1515
Discov num
CHE 274
Comp
AB
Coord arcsec 2000
20 17 14.35 +15 14 49.4
Date first
1910
Date last
2014
Obs
8
Pa first
149
Pa last
148
P.A. Now (θ)
148°
Sep first
27.0
Sep last
27.5
Sep. Now (ρ)
27.5"
Mag pri
12.75
Mag sec
12.86
delta mag (ΔM)
0.11
Spectral class
Pri motion ra
-013
Sec motion ra
+040
Pri motion dec
-011
Sec motion dec
-032
Notes
rPM=1.113
This double is not physical.
 
 
20172+1515 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20172+1515 CHE 274 AB 1910 2014 8 148 27.5 12.75 12.86 0.11 <===
Show 20172+1515 DAM 360 AC 1998 2015 7 21 5.9 12.30 15.00 2.70
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
147.9
Precise sep
27.504
Constellation
Delphinus
Gaia DR2
94678431616
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20172+1515 CHE 274 AB 2008 5 148 27.6 12.30 12.60 D 201714.35+151449.4
20172+1515 CHE 274 AB 2014 8 148 27.5 12.75 12.86 201714.35+151449.4

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