17253+8445 A   857

 
 
17h 25m 19.07s +84 44' 55.1" P.A. 49 sep 2.1 mag 8.79,12.60 Sp A3
 
 
Coord 2000
17253+8445
Discov num
A   857
Comp
Coord arcsec 2000
17 25 19.07 +84 44 55.1
Date first
1904
Date last
1930
Obs
4
Pa first
50
Pa last
49
P.A. Now (θ)
49°
Sep first
2.0
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
8.79
Mag sec
12.60
delta mag (ΔM)
3.81
Spectral class
A3 (white)
Pri motion ra
+009
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
49.3
Precise sep
2.06
Constellation
Ursa Minor
SAO
2894
Tycho2
4651-01544-1
HD
162129
last precise pa
49.3
last precise sep
2.06
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17253+8445 A 857 1930 4 49 2.1 8.79 12.60 A3 172519.07+844455.1

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