17057+0620 HEI 859

 
 
17h 05m 44.72s +06 20' 28.1" P.A. 56 sep 3.1 mag 10.10,10.20 Sp K0
 
 
Coord 2000
17057+0620
Discov num
HEI 859
Comp
Coord arcsec 2000
17 05 44.72 +06 20 28.1
Date first
1994
Date last
2010
Obs
5
Pa first
61
Pa last
56
P.A. Now (θ)
56°
Sep first
2.9
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
10.10
Mag sec
10.20
delta mag (ΔM)
0.1
Spectral class
K0 (yellow-orange)
Pri motion ra
+041
Sec motion ra
Pri motion dec
+046
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
56.3
Precise sep
3.11
Constellation
Ophiuchus
Tycho2
0410-00188-1
HD
154532
last precise pa
56.3
last precise sep
3.11
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17057+0620 HEI 859 2000 3 58 3.1 10.10 10.20 K0 D 170544.72+062028.1
17057+0620 HEI 859 2010 4 56 3.0 10.10 10.20 K0 D 170544.72+062028.1

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