12182+2718 HDS1733

 
 
12h 18m 11.23s +27 18' 02.0" P.A. 242 sep 0.3 mag 7.62,10.19 Sp Am dist. 251.89 pc (821.67 l.y.)
 
 
Coord 2000
12182+2718
Discov num
HDS1733
Comp
Coord arcsec 2000
12 18 11.23 +27 18 02.0
Date first
1991
Date last
2010
Obs
4
Pa first
265
Pa last
242
P.A. Now (θ)
242°
Sep first
0.4
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
7.62
Mag sec
10.19
delta mag (ΔM)
2.57
Spectral class
Am (white)
Pri motion ra
-039
Sec motion ra
Pri motion dec
+011
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
241.6
Precise sep
0.333
Constellation
Coma Berenices
SAO
82227
HIP
59988
Tycho2
1991-01118-1
HD
106999
BD
BD+28 2100
Distance
251.89
Distance ly
821.67
last precise pa
241.6
last precise sep
0.333
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12182+2718 HDS1733 1991 1 265 0.4 7.62 10.19 Am D 121811.23+271802.0
12182+2718 HDS1733 2007 2 247 0.3 7.62 10.19 Am D 121811.23+271802.0
12182+2718 HDS1733 2009 3 242 0.3 7.62 10.19 Am D 121811.23+271802.0
12182+2718 HDS1733 2010 4 242 0.3 7.62 10.19 Am D 121811.23+271802.0

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