12451+2724 HJ  521

 
 
12h 45m 03.33s +27 23' 36.4" P.A. 4 sep 35.2 mag 7.46,13.80 Sp K2III dist. 179.21 pc (584.58 l.y.)
 
 
Coord 2000
12451+2724
Discov num
HJ  521
Comp
Coord arcsec 2000
12 45 03.33 +27 23 36.4
Date first
1827
Date last
2001
Obs
4
Pa first
10
Pa last
4
P.A. Now (θ)
Sep first
20.0
Sep last
35.2
Sep. Now (ρ)
35.2"
Mag pri
7.46
Mag sec
13.80
delta mag (ΔM)
6.34
Spectral class
K2III (yellow-orange)
Pri motion ra
-008
Sec motion ra
Pri motion dec
-026
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
4.2
Precise sep
35.21
Constellation
Coma Berenices
SAO
82471
HIP
62213
Tycho2
1992-01872-1
HD
110883
BD
BD+28 2148
Distance
179.21
Distance ly
584.58
last precise pa
4.2
last precise sep
35.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12451+2724 HJ 521 1904 2 4 33.7 7.46 13.80 K2III 124503.33+272336.4
12451+2724 HJ 521 2001 4 4 35.2 7.46 13.80 K2III 124503.33+272336.4
12451+2724 HJ 521 2010 5 4 35.7 7.46 13.80 K2III 124503.33+272336.4

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