15008+2306 LDS4521

 
 
15h 00m 47.52s +23 06' 26.3" P.A. 342 sep 26.2 mag 15.45,16.42 Sp M2.5+M3.1
 
 
Coord 2000
15008+2306
Discov num
LDS4521
Comp
Coord arcsec 2000
15 00 47.52 +23 06 26.3
Date first
1960
Date last
2014
Obs
11
Pa first
338
Pa last
342
P.A. Now (θ)
342°
Sep first
26.0
Sep last
26.2
Sep. Now (ρ)
26.2"
Mag pri
15.45
Mag sec
16.42
delta mag (ΔM)
0.97
Spectral class
M2.5+M3.1 (red/red)
Pri motion ra
-179
Sec motion ra
-179
Pri motion dec
+115
Sec motion dec
+115
Notes
N V R (See Notes, Proper motion indicates physical, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
341.5
Precise sep
26.19
Constellation
Bootes
last precise pa
341.5
last precise sep
26.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15008+2306 LDS4521 2000 2 339 26.2 16.30 17.30 D 150047.51+230626.2
15008+2306 LDS4521 2007 3 339 26.4 16.30 17.30 D 150047.51+230626.2
15008+2306 LDS4521 2008 4 340 27.1 16.30 17.30 D 150047.51+230626.2
15008+2306 LDS4521 2011 7 339 26.2 15.45 16.42 M2.5+M3.1 NV R 150047.52+230626.3
15008+2306 LDS4521 2012 10 339 25.6 15.45 16.42 M2.5+M3.1 NV R 150047.52+230626.3
15008+2306 LDS4521 2014 11 342 26.2 15.45 16.42 M2.5+M3.1 NV R 150047.52+230626.3

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