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
 
 
Precise pa
135
Precise sep
3.77
Constellation
Ophiuchus
SAO
103459
Tycho2
1017-00985-1
HD
166603
last precise pa
135
last precise sep
3.77
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18109+1251 ROE 110 1998 3 135 3.8 9.55 13.10 A D 181056.60+125107.5

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