15400+5109 LDS4580

 
 
15h 39m 56.78s +51 08' 01.6" P.A. 123 sep 89.9 mag 11.63,12.38 Sp K4/5
 
 
Coord 2000
15400+5109
Discov num
LDS4580
Comp
Coord arcsec 2000
15 39 56.78 +51 08 01.6
Date first
1960
Date last
2010
Obs
5
Pa first
123
Pa last
123
P.A. Now (θ)
123°
Sep first
90.0
Sep last
89.9
Sep. Now (ρ)
89.9"
Mag pri
11.63
Mag sec
12.38
delta mag (ΔM)
0.75
Spectral class
K4/5 (yellow-orange)
Pri motion ra
-062
Sec motion ra
-064
Pri motion dec
-101
Sec motion dec
-104
Notes
rPM=0.03 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
122.9
Precise sep
89.88
Constellation
Bootes
last precise pa
122.9
last precise sep
89.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15400+5109 LDS4580 2000 3 123 89.8 12.20 13.00 D 153956.78+510801.6
15400+5109 LDS4580 2003 4 123 89.9 12.20 13.00 D 153956.78+510801.6
15400+5109 LDS4580 2010 5 123 89.9 11.63 12.38 K4/5 153956.78+510801.6

If you need more information about this double, apply for a data request form to the WDS.