18425+0439 HJ  866AC

 
 
18h 42m 33.40s +04 39' 08.6" P.A. 321 sep 12.7 mag 11.61,15.60
 
 
Coord 2000
18425+0439
Discov num
HJ  866
Comp
AC
Coord arcsec 2000
18 42 33.40 +04 39 08.6
Date first
1950
Date last
2003
Obs
5
Pa first
313
Pa last
321
P.A. Now (θ)
321°
Sep first
11.7
Sep last
12.7
Sep. Now (ρ)
12.7"
Mag pri
11.61
Mag sec
15.60
delta mag (ΔM)
3.99
Spectral class
Pri motion ra
-022
Sec motion ra
-004
Pri motion dec
-016
Sec motion dec
+000
Notes
U (Proper motion indicates non-physical)
rPM=0.885
This double is not physical.
 
 
18425+0439 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18425+0439 HJ 866 AB 1950 2003 5 84 17.5 11.61 12.60 0.99
Show 18425+0439 HJ 866 AC 1950 2003 5 321 12.7 11.61 15.60 3.99 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
321.1
Precise sep
12.65
Constellation
Serpens
Tycho2
0455-01027-1
last precise pa
321.1
last precise sep
12.65
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18425+0439 HJ 866 AC 2003 6 321 12.7 11.61 15.60 DU 184233.40+043908.6
18425+0439 HJ 866 AC 2010 6 320 12.2 11.61 15.60 U 184233.40+043908.6

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