18109+1251 ROE 110

 
 
18H 10M 56.60S +12 51' 07.5" P.A. 135 SEP 3.8 MAG 9.55,13.10 SP A
 
 
Coord 2000
18109+1251
Discov num
ROE 110
Comp
Coord arcsec 2000
18 10 56.60 +12 51 07.5
Date first
1917
Date last
1998
Obs
3
Pa first
136
Pa last
135
P.A. Now (θ)
135°
Sep first
3.0
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
9.55
Mag sec
13.10
delta mag (ΔM)
3.55
Spectral class
A (white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
SAO
103459
Tycho2
1017-00985-1
HD
166603
last precise pa
135
last precise sep
3.77