17238-2138 HDS2456

 
 
17h 23m 48.27s -21 38' 27.4" P.A. 205 sep 0.1 mag 9.15,11.21 Sp K2III dist. 253.16 pc (825.81 l.y.)
 
 
Coord 2000
17238-2138
Discov num
HDS2456
Comp
Coord arcsec 2000
17 23 48.27 -21 38 27.4
Date first
1991
Date last
1991
Obs
1
Pa first
205
Pa last
205
P.A. Now (θ)
205°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
9.15
Mag sec
11.21
delta mag (ΔM)
2.06
Spectral class
K2III (yellow-orange)
Pri motion ra
-002
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
205
Precise sep
0.142
Constellation
Ophiuchus
SAO
185355
HIP
85121
Tycho2
6246-00390-1
HD
157380
BD
BD-21 4595
Distance
253.16
Distance ly
825.81
last precise pa
205
last precise sep
0.142
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17238-2138 HDS2456 1991 1 205 0.1 9.15 11.21 K2III 172348.27-213827.4

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