19393-2539 CVN 105AB

 
 
19h 39m 18.66s -25 39' 01.3" P.A. 230 sep 3.3 mag 7.81,19.00 Sp K2V
 
 
Coord 2000
19393-2539
Discov num
CVN 105
Comp
AB
Coord arcsec 2000
19 39 18.66 -25 39 01.3
Date first
2011
Date last
2011
Obs
1
Pa first
230
Pa last
230
P.A. Now (θ)
230°
Sep first
3.3
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
7.81
Mag sec
19.00
delta mag (ΔM)
11.19
Spectral class
K2V (yellow-orange)
Pri motion ra
+044
Sec motion ra
Pri motion dec
-123
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
19393-2539 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19393-2539 CVN 105 AB 2011 2011 1 230 3.3 7.81 19.00 11.19 <===
Show 19393-2539 CVN 105 AC 2011 2011 1 257 3.4 7.81 19.60 11.79
Show 19393-2539 CVN 105 AD 1998 2011 2 225 5.8 7.81 14.60 6.79
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
229.6
Precise sep
3.289
Constellation
Sagittarius
last precise pa
229.6
last precise sep
3.289
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19393-2539 CVN 105 AB 2011 1 230 3.3 7.81 19.00 K2V K 193918.66-253901.3

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