16270-2436 YLW   4BC

 
 
16h 26m 57.33s -24 35' 38.8" P.A. 32 sep 47.2 mag 12.81,15.13
 
 
Coord 2000
16270-2436
Discov num
YLW   4
Comp
BC
Coord arcsec 2000
16 26 57.33 -24 35 38.8
Date first
1985
Date last
1999
Obs
2
Pa first
31
Pa last
32
P.A. Now (θ)
32°
Sep first
48.0
Sep last
47.2
Sep. Now (ρ)
47.2"
Mag pri
12.81
Mag sec
15.13
delta mag (ΔM)
2.32
Spectral class
Pri motion ra
Sec motion ra
Pri motion dec
Sec motion dec
Notes
N K (See Notes, K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
16270-2436 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 16270-2436 YLW 4 AB 1985 1999 2 308 29.6 11.82 12.81 0.99
Show 16270-2436 YLW 4 AC 1985 1999 2 2 58.1 11.82 15.13 3.31
Show 16270-2436 YLW 4 BC 1985 1999 2 32 47.2 12.81 15.13 2.32 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
32.1
Precise sep
47.2
Cdsa2 id
YLW 4 BC
Constellation
Ophiuchus
Ra deg
16.449258333333333
De deg
-24.59411111111111
last precise pa
32.1
last precise sep
47.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16270-2436 YLW 4 BC 1985 1 31 48.0 12.81 15.13 N DK 162657.33-243538.8
16270-2436 YLW 4 BC 1999 2 32 47.2 12.81 15.13 N K 162657.33-243538.8

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