12208+2546 HJ  517

 
 
12h 20m 45.58s +25 45' 57.2" P.A. 239 sep 19.9 mag 9.09,12.50 Sp F8 dist. 74.13 pc (241.81 l.y.)
 
 
Coord 2000
12208+2546
Discov num
HJ  517
Comp
Coord arcsec 2000
12 20 45.58 +25 45 57.2
Date first
1827
Date last
2010
Obs
8
Pa first
265
Pa last
239
P.A. Now (θ)
239°
Sep first
12.0
Sep last
19.9
Sep. Now (ρ)
19.9"
Mag pri
9.09
Mag sec
12.50
delta mag (ΔM)
3.41
Spectral class
F8 (yellow-white)
Pri motion ra
-011
Sec motion ra
+004
Pri motion dec
-007
Sec motion dec
-045
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=0.904
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
238.5
Precise sep
19.85
Cdsa2 id
HJ 517
Constellation
Coma Berenices
SAO
82256
HIP
60206
Tycho2
1989-00039-1
HD
107399
BD
BD+26 2330
Ra deg
12.345994444444445
De deg
25.765888888888888
Distance
74.13
Distance ly
241.81
last precise pa
238.5
last precise sep
19.85
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12208+2546 HJ 517 2000 5 239 20.0 9.09 12.50 F8 N D 122045.58+254557.2
12208+2546 HJ 517 2001 7 239 20.0 9.09 12.50 F8 N D 122045.58+254557.2
12208+2546 HJ 517 2010 8 239 19.6 9.09 12.50 F8 NU 122045.58+254557.2

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