18300+0113 HCH   9AB

 
 
18H 29M 57.80S +01 12' 52.0" P.A. 354 SEP 5.2 MAG 9.80,10.40
 
 
Coord 2000
18300+0113
Discov num
HCH   9
Comp
AB
Coord arcsec 2000
18 29 57.80 +01 12 52.0
Date first
2000
Date last
2005
Obs
4
Pa first
354
Pa last
354
P.A. Now (θ)
354°
Sep first
5.2
Sep last
5.2
Sep. Now (ρ)
5.2"
Mag pri
9.80
Mag sec
10.40
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
-020
Sec motion ra
Pri motion dec
+055
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
18300+0113 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18300+0113 DCH 100 Aa,Ab 2005 2005 1 227 0.2 11.80 10.60 1.20
Show 18300+0113 HCH 9 AB 2000 2005 4 354 5.2 9.80 10.40 0.60 <===
Show 18300+0113 DCH 100 Ba,Bb 2005 2005 1 109 2.5 10.40 17.70 7.30
Show 18300+0113 DCH 98 AC 2000 2005 2 12 4.4 9.80 8.50 1.30
Show 18300+0113 DCH 98 Ca,Cb 2005 2005 1 92 0.1 8.70 10.30 1.60
Sextuple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
last precise pa
353.6
last precise sep
5.19