20009+1815 J   502AB

 
 
20h 00m 56.25s +18 14' 51.4" P.A. 63 sep 3.9 mag 11.52,11.70 Sp G5
 
 
Coord 2000
20009+1815
Discov num
J   502
Comp
AB
Coord arcsec 2000
20 00 56.25 +18 14 51.4
Date first
1904
Date last
2001
Obs
10
Pa first
66
Pa last
63
P.A. Now (θ)
63°
Sep first
3.6
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
11.52
Mag sec
11.70
delta mag (ΔM)
0.18
Spectral class
G5 (yellow)
Pri motion ra
-030
Sec motion ra
+033
Pri motion dec
+000
Sec motion dec
+021
Notes
rPM=1.698
This double is not physical.
 
 
20009+1815 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20009+1815 J 502 AB 1904 2001 10 63 3.9 11.52 11.70 0.18 <===
Show 20009+1815 J 502 AC 1946 2001 3 311 19.4 11.52 13.90 2.38
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
63.4
Precise sep
3.892
Constellation
Sagitta
Tycho2
1621-00770-1
HD
351237
last precise pa
63.4
last precise sep
3.892
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20009+1815 J 502 AB 1999 9 63 3.9 11.52 11.70 G5 D 200056.25+181451.4
20009+1815 J 502 AB 2001 10 63 3.9 11.52 11.70 G5 D 200056.25+181451.4

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