17187+2146 STTA152

 
 
17h 18m 40.24s +21 46' 18.7" P.A. 47 sep 52.8 mag 7.66,9.78 Sp K0
 
 
Coord 2000
17187+2146
Discov num
STTA152
Comp
Coord arcsec 2000
17 18 40.24 +21 46 18.7
Date first
1874
Date last
2010
Obs
19
Pa first
50
Pa last
47
P.A. Now (θ)
47°
Sep first
51.7
Sep last
52.8
Sep. Now (ρ)
52.8"
Mag pri
7.66
Mag sec
9.78
delta mag (ΔM)
2.12
Spectral class
K0 (yellow-orange)
Pri motion ra
+004
Sec motion ra
-002
Pri motion dec
-021
Sec motion dec
-002
Notes
N (See Notes)
rPM=0.932
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
46.9
Precise sep
52.8
Constellation
Hercules
SAO
84998
Tycho2
1548-01181-1
HD
156776
last precise pa
46.9
last precise sep
52.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17187+2146 STTA152 1999 16 47 52.8 7.66 9.78 K0 N D 171840.24+214618.7
17187+2146 STTA152 2009 17 47 52.8 7.66 9.78 K0 N D 171840.24+214618.7
17187+2146 STTA152 2010 19 47 52.8 7.66 9.78 K0 N 171840.24+214618.7

If you need more information about this double, apply for a data request form to the WDS.