18300+0113 DCH  98AC

 
 
18h 29m 57.80s +01 12' 52.0" P.A. 12 sep 4.4 mag 9.80,8.50
 
 
Coord 2000
18300+0113
Discov num
DCH  98
Comp
AC
Coord arcsec 2000
18 29 57.80 +01 12 52.0
Date first
2000
Date last
2005
Obs
2
Pa first
12
Pa last
12
P.A. Now (θ)
12°
Sep first
4.2
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
9.80
Mag sec
8.50
delta mag (ΔM)
1.3
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
 
 
Precise pa
11.7
Precise sep
4.36
Cdsa2 id
DCH 98 AC
Constellation
Serpens
Ra deg
18.49938888888889
De deg
1.2144444444444444
last precise pa
11.7
last precise sep
4.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18300+0113 DCH 98 AC 2005 1 12 4.4 9.80 8.50 DK 182957.60+011300.4

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