17286-5510 HDO 273

 
 
17h 28m 38.91s -55 10' 10.8" P.A. 147 sep 38.2 mag 5.94,12.50 Sp G8II-III dist. 302.11 pc (985.48 l.y.)
 
 
Coord 2000
17286-5510
Discov num
HDO 273
Comp
Coord arcsec 2000
17 28 38.91 -55 10 10.8
Date first
1891
Date last
2010
Obs
5
Pa first
140
Pa last
147
P.A. Now (θ)
147°
Sep first
25.0
Sep last
38.2
Sep. Now (ρ)
38.2"
Mag pri
5.94
Mag sec
12.50
delta mag (ΔM)
6.56
Spectral class
G8II-III (yellow)
Pri motion ra
+003
Sec motion ra
+008
Pri motion dec
-009
Sec motion dec
-015
Notes
rPM=0.459
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
147
Precise sep
38.21
Constellation
Ara
SAO
244770
HIP
85520
Tycho2
8732-01958-1
HD
157819
HR
6487
CP
CP-55 8144
Distance
302.11
Distance ly
985.48
last precise pa
147
last precise sep
38.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17286-5510 HDO 273 2000 3 148 37.5 5.94 12.50 G8II-III D 172838.91-551010.8
17286-5510 HDO 273 2010 5 146 37.5 5.94 12.50 G8II-III 172838.91-551010.8

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