10104+4408 HJ 2521

 
 
10h 10m 21.39s +44 07' 54.1" P.A. 269 sep 28.2 mag 10.32,13.22 Sp K5
 
 
Coord 2000
10104+4408
Discov num
HJ 2521
Comp
Coord arcsec 2000
10 10 21.39 +44 07 54.1
Date first
1830
Date last
2012
Obs
6
Pa first
270
Pa last
269
P.A. Now (θ)
269°
Sep first
15.0
Sep last
28.2
Sep. Now (ρ)
28.2"
Mag pri
10.32
Mag sec
13.22
delta mag (ΔM)
2.9
Spectral class
K5 (yellow-orange)
Pri motion ra
-032
Sec motion ra
Pri motion dec
-026
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
268.9
Precise sep
28.24
Cdsa2 id
HJ 2521
Constellation
Ursa Major
Tycho2
3006-00785-1
Ra deg
10.172608333333333
De deg
44.13169444444444
last precise pa
268.9
last precise sep
28.24
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10104+4408 HJ 2521 1999 3 269 28.0 10.32   K5 D 101021.39+440754.1
10104+4408 HJ 2521 2002 4 269 28.1 10.32 13.30 K5 D 101021.39+440754.1
10104+4408 HJ 2521 2012 5 269 28.2 10.32 13.30 K5 D 101021.39+440754.1

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