17387-5428 BVD 121

 
 
17h 38m 40.32s -54 28' 09.7" P.A. 185 sep 39.7 mag 9.14,10.00 Sp F6V+F7V dist. 136.05 pc (443.8 l.y.)
 
 
Coord 2000
17387-5428
Discov num
BVD 121
Comp
Coord arcsec 2000
17 38 40.32 -54 28 09.7
Date first
1892
Date last
2015
Obs
10
Pa first
186
Pa last
185
P.A. Now (θ)
185°
Sep first
39.1
Sep last
39.7
Sep. Now (ρ)
39.7"
Mag pri
9.14
Mag sec
10.00
delta mag (ΔM)
0.86
Spectral class
F6V+F7V (yellow-white/yellow-white)
Pri motion ra
+083
Sec motion ra
+085
Pri motion dec
-003
Sec motion dec
-002
Notes
V (Proper motion indicates physical)
rPM=0.026 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
184.8
Precise sep
39.705
Constellation
Ara
SAO
244900
HIP
86347
Tycho2
8733-00308-1
HD
159622
CP
CP-54 8408
Distance
136.05
Distance ly
443.8
last precise pa
184.8
last precise sep
39.705
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17387-5428 BVD 121 1992 2 185 39.7 9.14 10.00 F6V F7V V 173840.32-542809.7
17387-5428 BVD 121 1999 8 185 39.6 9.14 10.00 F6V F7V VD 173840.32-542809.7
17387-5428 BVD 121 2010 9 185 39.7 9.14 10.00 F6V+F7V V 173840.32-542809.7
17387-5428 BVD 121 2015 10 185 39.7 9.14 10.00 F6V+F7V V 173840.32-542809.7

If you need more information about this double, apply for a data request form to the WDS.