15531+3445 LDS6309

 
 
15h 53m 06.37s +34 45' 13.9" P.A. 173 sep 26.7 mag 11.71,13.18 Sp M2
 
 
Coord 2000
15531+3445
Discov num
LDS6309
Comp
Coord arcsec 2000
15 53 06.37 +34 45 13.9
Date first
1960
Date last
2016
Obs
8
Pa first
174
Pa last
173
P.A. Now (θ)
173°
Sep first
26.0
Sep last
26.7
Sep. Now (ρ)
26.7"
Mag pri
11.71
Mag sec
13.18
delta mag (ΔM)
1.47
Spectral class
M2 (red)
Pri motion ra
+250
Sec motion ra
+250
Pri motion dec
-507
Sec motion dec
-507
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
172.5
Precise sep
26.668
Constellation
Corona Borealis
last precise pa
172.5
last precise sep
26.668
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15531+3445 LDS6309 2000 5 172 26.5 12.00 13.09 M2 N D 155306.37+344513.9
15531+3445 LDS6309 2002 6 172 26.6 12.00 13.09 M2 N D 155306.37+344513.9
15531+3445 LDS6309 2010 8 173 26.6 11.71 13.18 M2 NV 155306.37+344513.9
15531+3445 LDS6309 2016 8 173 26.7 11.71 13.18 M2 NV 155306.37+344513.9

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