20172+1515 DAM 360AC

 
 
20h 17m 14.35s +15 14' 49.4" P.A. 21.00 sep 5.9 mag 12.30,15.00
 
 
Coord 2000
20172+1515
Discov num
DAM 360
Comp
AC
Coord arcsec 2000
20 17 14.35 +15 14 49.4
Date first
1998
Date last
2015
Obs
7
Pa first
21
Pa last
21
P.A. Now (θ)
21°
Sep first
5.6
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
12.30
Mag sec
15.00
delta mag (ΔM)
2.7
Spectral class
Pri motion ra
-013
Sec motion ra
Pri motion dec
-011
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
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
21.3
Precise sep
5.898
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 DAM 360 AC 2000 1 21 5.6 12.30 15.00 201714.35+151449.4
20172+1515 DAM 360 AC 2001 3 22 5.8 12.30 15.00 201714.35+151449.4
20172+1515 DAM 360 AC 2015 3 22 5.9 12.30 15.00 201714.35+151449.4

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