18030-4328 SEE 345

 
 
18h 03m 02.60s -43 27' 46.2" P.A. 139 sep 15.4 mag 7.52,10.98 Sp G8III dist. 303.03 pc (988.48 l.y.)
 
 
Coord 2000
18030-4328
Discov num
SEE 345
Comp
Coord arcsec 2000
18 03 02.60 -43 27 46.2
Date first
1897
Date last
2010
Obs
9
Pa first
139
Pa last
139
P.A. Now (θ)
139°
Sep first
16.3
Sep last
15.4
Sep. Now (ρ)
15.4"
Mag pri
7.52
Mag sec
10.98
delta mag (ΔM)
3.46
Spectral class
G8III (yellow)
Pri motion ra
+001
Sec motion ra
-004
Pri motion dec
-016
Sec motion dec
-013
Notes
rPM=0.364
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
139.3
Precise sep
15.38
Constellation
Corona Austrina
SAO
228653
HIP
88398
Tycho2
7911-03645-1
HD
164409
CD
CD-4312220
CP
CP-43 8402
Distance
303.03
Distance ly
988.48
last precise pa
139.3
last precise sep
15.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18030-4328 SEE 345 1999 7 140 15.4 7.52 10.98 G8III D 180302.60-432746.2
18030-4328 SEE 345 2010 9 138 14.8 7.52 10.98 G8III 180302.60-432746.2

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