17287-2235 B  2837

 
 
17h 28m 41.56s -22 34' 52.9" P.A. 224 sep 13.4 mag 9.61,12.10 Sp K0/1III dist. 2500 pc (8155 l.y.)
 
 
Coord 2000
17287-2235
Discov num
B  2837
Comp
Coord arcsec 2000
17 28 41.56 -22 34 52.9
Date first
1921
Date last
1999
Obs
7
Pa first
225
Pa last
224
P.A. Now (θ)
224°
Sep first
13.5
Sep last
13.4
Sep. Now (ρ)
13.4"
Mag pri
9.61
Mag sec
12.10
delta mag (ΔM)
2.49
Spectral class
K0/1III (yellow-orange)
Pri motion ra
-004
Sec motion ra
+000
Pri motion dec
-009
Sec motion dec
-002
Notes
rPM=0.819
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
224.2
Precise sep
13.436
Constellation
Ophiuchus
SAO
185437
HIP
85526
Tycho2
6826-00048-1
HD
158172
BD
BD-22 4349
CD
CD-2212048
Distance
2500
Distance ly
8155
last precise pa
224.2
last precise sep
13.436
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17287-2235 B 2837 1998 6 225 13.3 9.61 12.10 K0/1III D 172841.56-223452.9
17287-2235 B 2837 1999 7 224 13.4 9.61 12.10 K0/1III D 172841.56-223452.9

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