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
Cdsa2 id
HDS 2456
Constellation
Ophiuchus
SAO
185355
HIP
85121
Tycho2
6246-00390-1
HD
157380
BD
BD-21 4595
Ra deg
17.396741666666667
De deg
-21.640944444444443
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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