18300+0113 DCH 100Ba,Bb

 
 
18h 29m 57.75s +01 12' 57.0" P.A. 109 sep 2.5 mag 10.40,17.70
 
 
Coord 2000
18300+0113
Discov num
DCH 100
Comp
Ba,Bb
Coord arcsec 2000
18 29 57.75 +01 12 57.0
Date first
2005
Date last
2005
Obs
1
Pa first
109
Pa last
109
P.A. Now (θ)
109°
Sep first
2.5
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
10.40
Mag sec
17.70
delta mag (ΔM)
7.3
Spectral class
Pri motion ra
Sec motion ra
Pri motion dec
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
 
 
Precise pa
109.2
Precise sep
2.48
Constellation
Serpens
last precise pa
109.2
last precise sep
2.48
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18300+0113 DCH 100 Ba,Bb 2005 1 109 2.5 14.70 22.00 DK 182957.75+011257.0

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