16475-4819 DUN 211BC

 
 
16h 47m 36.85s -48 20' 11.3" P.A. 193 sep 45.3 mag 8.14,8.21 Sp F2/3IV/V
 
 
Coord 2000
16475-4819
Discov num
DUN 211
Comp
BC
Coord arcsec 2000
16 47 36.85 -48 20 11.3
Date first
1834
Date last
2015
Obs
17
Pa first
197
Pa last
193
P.A. Now (θ)
193°
Sep first
30.0
Sep last
45.3
Sep. Now (ρ)
45.3"
Mag pri
8.14
Mag sec
8.21
delta mag (ΔM)
0.07
Spectral class
F2/3IV/V (yellow-white)
Pri motion ra
-008
Sec motion ra
+010
Pri motion dec
-038
Sec motion dec
-026
Notes
N (See Notes)
rPM=0.557
Nature of this double is uncertain.
 
 
16475-4819 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 16475-4819 DUN 211 AB 1904 2015 15 125 106.5 7.40 8.14 0.74
Show 16475-4819 DAW 212 AC 1904 2015 15 144 130.4 7.40 8.21 0.81
Show 16475-4819 DUN 211 BC 1834 2015 17 193 45.3 8.14 8.21 0.07 <===
Show 16475-4819 HJ 4885 CD 1834 2015 13 239 3.8 8.21 9.50 1.29
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
193.2
Precise sep
45.264
Constellation
Ara
SAO
227213
Tycho2
8330-04739-1
Gaia DR2
75994517376
HD
151115
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16475-4819 DUN 211 BC 1999 14 193 45.3 8.14 8.21 F2/3IV/V N D 164736.85-482011.3
16475-4819 DUN 211 BC 2013 16 193 45.2 8.14 8.21 F2/3IV/V N 164736.85-482011.3
16475-4819 DUN 211 BC 2015 17 193 45.3 8.14 8.21 F2/3IV/V N 164736.85-482011.3

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