12181+1826 COU 181

 
 
12h 18m 04.15s +18 26' 06.2" P.A. 147 sep 9.4 mag 7.64,13.80 Sp F6III
 
 
Coord 2000
12181+1826
Discov num
COU 181
Comp
Coord arcsec 2000
12 18 04.15 +18 26 06.2
Date first
1967
Date last
2015
Obs
4
Pa first
148
Pa last
147
P.A. Now (θ)
147°
Sep first
8.9
Sep last
9.4
Sep. Now (ρ)
9.4"
Mag pri
7.64
Mag sec
13.80
delta mag (ΔM)
6.16
Spectral class
F6III (yellow-white)
Pri motion ra
-017
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
G5
Tycho2
8938-01061-1
HD
75484
Dm number
-65 1023
last precise pa
147.4
last precise sep
9.415
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12181+1826 COU 181 1998 2 148 9.5 7.50 13.80 F6III D 121804.15+182606.2
12181+1826 COU 181 2001 3 148 9.6 7.50 13.80 F6III D 121804.15+182606.2
12181+1826 COU 181 2015 4 147 9.4 7.64 13.80 F6III 121804.15+182606.2

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