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
Cdsa2 id
HJ 521
Constellation
Coma Berenices
SAO
82471
HIP
62213
Tycho2
1992-01872-1
HD
110883
BD
BD+28 2148
Ra deg
12.750925
De deg
27.393444444444444
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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