17321+1024 CLL  11

 
 
17h 32m 05.49s +10 23' 30.9" P.A. 209.00 sep 56.7 mag 8.61,10.26 Sp K2
 
 
Coord 2000
17321+1024
Discov num
CLL  11
Comp
Coord arcsec 2000
17 32 05.49 +10 23 30.9
Date first
1911
Date last
2015
Obs
12
Pa first
210
Pa last
209
P.A. Now (θ)
209°
Sep first
54.2
Sep last
56.7
Sep. Now (ρ)
56.7"
Mag pri
8.61
Mag sec
10.26
delta mag (ΔM)
1.65
Spectral class
K2 (yellow-orange)
Pri motion ra
+005
Sec motion ra
+003
Pri motion dec
-006
Sec motion dec
-032
Notes
V (Proper motion indicates physical)
rPM=0.811
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
208.8
Precise sep
56.709
Constellation
Ophiuchus
SAO
102894
Tycho2
0996-00346-1
Gaia DR2
4491183740210885248
HD
159050
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17321+1024 CLL 11 2010 5 209 56.5 8.61 10.26 V 173205.49+102330.9
17321+1024 CLL 11 2013 6 208 56.2 8.61 10.26 V 173205.49+102330.9
17321+1024 CLL 11 2015 9 209 56.7 8.61 10.26 K2 V 173205.49+102330.9

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