20584+1050 ENG  78AB (18 Del)

 
 
20h 58m 25.93s +10 50' 21.4" P.A. 162 sep 197.5 mag 5.61,9.88 Sp G6III:
 
 
Coord 2000
20584+1050
Discov num
ENG  78
Comp
AB
Coord arcsec 2000
20 58 25.93 +10 50 21.4
Date first
1886
Date last
2003
Obs
19
Pa first
163
Pa last
162
P.A. Now (θ)
162°
Sep first
197.5
Sep last
197.5
Sep. Now (ρ)
197.5"
Mag pri
5.61
Mag sec
9.88
delta mag (ΔM)
4.27
Spectral class
G6III: (yellow)
Pri motion ra
-049
Sec motion ra
+008
Pri motion dec
-034
Sec motion dec
-012
Notes
N (See Notes)
rPM=1.024
This double is not physical.
 
 
20584+1050 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18 Del 106712 20584+1050 ENG 78 AB 1886 2003 19 162 197.5 5.61 9.88 4.27 <===
Show 20584+1050 BUP 220 AC 1910 2000 4 337 128.6 5.61 12.77 7.16
Show 20584+1050 MUG 16 AE 2000 2011 4 194 29.2 5.61 16.60 10.99
Show 20584+1050 BUP 220 BC 1921 2000 3 339 326.5 9.88 12.77 2.89
Show 20584+1050 BUP 220 BD 1907 2000 6 224 68.3 9.88 12.01 2.13
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
161.6
Precise sep
197.5
Name
18 Del
Constellation
Delphinus
SAO
106712
Tycho2
1107-02709-1
HD
199665
HR
8030
Flamsteed
18 Delphini
Flamsteed name
18 Del
last precise pa
161.6
last precise sep
197.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20584+1050 ENG 78 AB 2003 18 162 197.5 5.61 9.88 G6III: N D 205825.93+105021.4

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