12215+5014 HDS1741

 
 
12h 21m 28.99s +50 13' 51.3" P.A. 22 sep 0.2 mag 11.50,11.60 Sp F8 dist. 165.84 pc (540.97 l.y.)
 
 
Coord 2000
12215+5014
Discov num
HDS1741
Comp
Coord arcsec 2000
12 21 28.99 +50 13 51.3
Date first
1991
Date last
2012
Obs
3
Pa first
184
Pa last
22
P.A. Now (θ)
22°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
11.50
Mag sec
11.60
delta mag (ΔM)
0.1
Spectral class
F8 (yellow-white)
Pri motion ra
-056
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
22.3
Precise sep
0.247
Constellation
Canes Venatici
SAO
28349
HIP
60270
Tycho2
3457-00004-1
HD
233925
BD
BD+51 1747
Distance
165.84
Distance ly
540.97
last precise pa
22.3
last precise sep
0.247
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12215+5014 HDS1741 1991 1 184 0.3 11.50 11.60 F8 122128.99+501351.3
12215+5014 HDS1741 2012 3 22 0.2 11.50 11.60 F8 122128.99+501351.3

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