15408+3329 LDS4581

 
 
15h 40m 54.52s +33 28' 29.9" P.A. 33 sep 9.3 mag 10.86,15.10
 
 
Coord 2000
15408+3329
Discov num
LDS4581
Comp
Coord arcsec 2000
15 40 54.52 +33 28 29.9
Date first
1960
Date last
2013
Obs
4
Pa first
30
Pa last
33
P.A. Now (θ)
33°
Sep first
10.0
Sep last
9.3
Sep. Now (ρ)
9.3"
Mag pri
10.86
Mag sec
15.10
delta mag (ΔM)
4.24
Spectral class
Pri motion ra
+019
Sec motion ra
Pri motion dec
-088
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
32.5
Precise sep
9.304
Constellation
Corona Borealis
Tycho2
2574-01513-1
last precise pa
32.5
last precise sep
9.304
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15408+3329 LDS4581 1998 2 33 9.6 10.86 15.10 D 154054.52+332829.9
15408+3329 LDS4581 2002 3 33 9.7 10.86 15.10 D 154054.52+332829.9
15408+3329 LDS4581 2013 4 33 9.3 10.86 15.10 154054.52+332829.9

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