20009+1815 J   502AC

 
 
20h 00m 56.25s +18 14' 51.4" P.A. 311 sep 19.4 mag 11.52,13.90 Sp G5
 
 
Coord 2000
20009+1815
Discov num
J   502
Comp
AC
Coord arcsec 2000
20 00 56.25 +18 14 51.4
Date first
1946
Date last
2001
Obs
3
Pa first
309
Pa last
311
P.A. Now (θ)
311°
Sep first
22.5
Sep last
19.4
Sep. Now (ρ)
19.4"
Mag pri
11.52
Mag sec
13.90
delta mag (ΔM)
2.38
Spectral class
G5 (yellow)
Pri motion ra
-030
Sec motion ra
+010
Pri motion dec
+000
Sec motion dec
-005
Notes
rPM=1.344
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
311.4
Precise sep
19.372
Constellation
Sagitta
Tycho2
1621-00770-1
HD
351237
last precise pa
311.4
last precise sep
19.372
 
 
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 AC 1946 1 309 22.5 11.52 13.90 200056.25+181451.4
20009+1815 J 502 AC 1999 2 311 19.4 11.52 13.90 200056.25+181451.4
20009+1815 J 502 AC 2001 3 302 21.1 11.52 13.90 200056.25+181451.4

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