18233-4247 COO 224

 
 
18h 23m 19.11s -42 46' 47.9" P.A. 135 sep 3.1 mag 8.83,8.98 Sp F5IV/V dist. 88.03 pc (287.15 l.y.)
 
 
Coord 2000
18233-4247
Discov num
COO 224
Comp
Coord arcsec 2000
18 23 19.11 -42 46 47.9
Date first
1889
Date last
1998
Obs
14
Pa first
137
Pa last
135
P.A. Now (θ)
135°
Sep first
3.6
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
8.83
Mag sec
8.98
delta mag (ΔM)
0.15
Spectral class
F5IV/V (yellow-white)
Pri motion ra
-012
Sec motion ra
-012
Pri motion dec
-082
Sec motion dec
-082
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
135.1
Precise sep
3.079
Constellation
Corona Austrina
SAO
228967
HIP
90109
Tycho2
7909-03121-1
HD
168755
CD
CD-4213180
CP
CP-42 8378
Distance
88.03
Distance ly
287.15
last precise pa
135.1
last precise sep
3.079
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18233-4247 COO 224 1991 13 135 3.1 8.83 8.98 F5IV/V 182319.11-424647.9
18233-4247 COO 224 1998 14 138 3.2 8.83 8.98 F5IV/V 182319.11-424647.9

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