16274-2430 ALO   9CD

 
 
16h 27m 24.64s -24 29' 35.4" P.A. 313 sep 8.5 mag 14.70,15.00 Sp YSO
 
 
Coord 2000
16274-2430
Discov num
ALO   9
Comp
CD
Coord arcsec 2000
16 27 24.64 -24 29 35.4
Date first
1998
Date last
1999
Obs
3
Pa first
314
Pa last
313
P.A. Now (θ)
313°
Sep first
9.5
Sep last
8.5
Sep. Now (ρ)
8.5"
Mag pri
14.70
Mag sec
15.00
delta mag (ΔM)
0.3
Spectral class
YSO
Pri motion ra
Sec motion ra
Pri motion dec
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
16274-2430 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 16274-2430 ALO 8 AB 1998 1998 1 84 6.0 15.40 19.90 4.50
Show 16274-2430 ALO 9 CD 1998 1999 3 313 8.5 14.70 15.00 0.30 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
313
Precise sep
8.47
Constellation
Ophiuchus
last precise pa
313
last precise sep
8.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16274-2430 ALO 9 CD 1998 1 314 9.5 14.70 15.00 162724.64-242935.4
16274-2430 ALO 9 CD 1999 2 315 8.4 14.70 15.00 YSO 162724.64-242935.4

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