18022+0302 A  2190

 
 
18H 02M 09.35S +03 01' 36.1" P.A. 85 SEP 3.7 MAG 8.90,14.00 SP A5
 
 
Coord 2000
18022+0302
Discov num
A  2190
Comp
Coord arcsec 2000
18 02 09.35 +03 01 36.1
Date first
1910
Date last
2000
Obs
4
Pa first
78
Pa last
85
P.A. Now (θ)
85°
Sep first
3.4
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
8.90
Mag sec
14.00
delta mag (ΔM)
5.1
Spectral class
A5 (white)
Pri motion ra
+015
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
Tycho2
0434-00321-1
HD
164649
last precise pa
84.5
last precise sep
3.66