20064+1802 HJ 2931AB

 
 
20h 06m 24.26s +18 02' 39.2" P.A. 312.00 sep 6.6 mag 11.54,13.00
 
 
Coord 2000
20064+1802
Discov num
HJ 2931
Comp
AB
Coord arcsec 2000
20 06 24.26 +18 02 39.2
Date first
1831
Date last
2015
Obs
12
Pa first
316
Pa last
312
P.A. Now (θ)
312°
Sep first
3.0
Sep last
6.6
Sep. Now (ρ)
6.6"
Mag pri
11.54
Mag sec
13.00
delta mag (ΔM)
1.46
Spectral class
Pri motion ra
-007
Sec motion ra
-009
Pri motion dec
-002
Sec motion dec
+002
Notes
rPM=0.485
Nature of this double is uncertain.
 
 
20064+1802 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20064+1802 HJ 2931 AB 1831 2015 12 312 6.6 11.54 13.00 1.46 <===
Show 20064+1802 DOO 80 AC 1907 2015 8 207 14.5 11.54 14.20 2.66
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
311.8
Precise sep
6.586
Constellation
Sagitta
Tycho2
1621-01884-1
Gaia DR2
30233310208
HD
351504
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20064+1802 HJ 2931 AB 1999 6 312 6.7 11.54 13.00 D 200624.26+180239.2
20064+1802 HJ 2931 AB 2001 7 312 6.6 11.54 13.00 D 200624.26+180239.2
20064+1802 HJ 2931 AB 2015 8 312 6.6 11.54 13.00 200624.26+180239.2

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