17209-3535 B   907

 
 
17h 20m 55.72s -35 34' 47.4" P.A. 253 sep 3.5 mag 10.85,11.05 Sp K2
 
 
Coord 2000
17209-3535
Discov num
B   907
Comp
Coord arcsec 2000
17 20 55.72 -35 34 47.4
Date first
1912
Date last
1999
Obs
7
Pa first
259
Pa last
253
P.A. Now (θ)
253°
Sep first
3.0
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
10.85
Mag sec
11.05
delta mag (ΔM)
0.2
Spectral class
K2 (yellow-orange)
Pri motion ra
+046
Sec motion ra
-048
Pri motion dec
+007
Sec motion dec
-027
Notes
rPM=1.815
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
252.9
Precise sep
3.487
Constellation
Scorpius
Tycho2
7370-00149-1
HD
319664
last precise pa
252.9
last precise sep
3.487
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17209-3535 B 907 1991 6 253 3.6 10.85 11.05 K2 172055.72-353447.4
17209-3535 B 907 1999 7 253 3.5 10.85 11.05 K2 172055.72-353447.4

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