20247+1443 VLM   4AC

 
 
20h 24m 40.27s +14 42' 52.5" P.A. 153 sep 17.4 mag 11.10,13.80
 
 
Coord 2000
20247+1443
Discov num
VLM   4
Comp
AC
Coord arcsec 2000
20 24 40.27 +14 42 52.5
Date first
1997
Date last
2016
Obs
9
Pa first
153
Pa last
153
P.A. Now (θ)
153°
Sep first
17.6
Sep last
17.4
Sep. Now (ρ)
17.4"
Mag pri
11.10
Mag sec
13.80
delta mag (ΔM)
2.7
Spectral class
Pri motion ra
-003
Sec motion ra
+007
Pri motion dec
-014
Sec motion dec
-004
Notes
rPM=0.988
This double is not physical.
 
 
20247+1443 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20247+1443 HJ 1508 AB 1828 2016 13 59 13.8 11.10 13.50 2.40
Show 20247+1443 VLM 4 AC 1997 2016 9 153 17.4 11.10 13.80 2.70 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
153.1
Precise sep
17.426
Constellation
Delphinus
Tycho2
1086-00887-1
Gaia DR2
74006493184
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20247+1443 VLM 4 AC 2006 2 153 17.6 11.13 13.60 D 202440.27+144252.5
20247+1443 VLM 4 AC 2016 4 153 17.4 11.10 13.80 202440.27+144252.5

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