10040+2521 COU 589

 
 
10h 04m 02.27s +25 21' 28.8" P.A. 78 sep 0.5 mag 11.30,11.30 Sp K0
 
 
Coord 2000
10040+2521
Discov num
COU 589
Comp
Coord arcsec 2000
10 04 02.27 +25 21 28.8
Date first
1971
Date last
2008
Obs
7
Pa first
103
Pa last
78
P.A. Now (θ)
78°
Sep first
0.3
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
11.30
Mag sec
11.30
delta mag (ΔM)
0
Spectral class
K0 (yellow-orange)
Pri motion ra
-032
Sec motion ra
Pri motion dec
-032
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
78.3
Precise sep
0.495
Constellation
Leo
Tycho2
1971-01030-1
last precise pa
78.3
last precise sep
0.495
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10040+2521 COU 589 1997 6 76 0.3 11.30 11.30 K0 100402.27+252128.8
10040+2521 COU 589 2008 7 78 0.5 11.30 11.30 K0 100402.27+252128.8

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