15415+3834 LDS4585 (RR CrB)

 
 
15h 41m 26.21s +38 33' 26.9" P.A. 271 sep 152.9 mag 7.89,16.00 Sp M6 dist. 341.3 pc (1113.32 l.y.)
 
 
Coord 2000
15415+3834
Discov num
LDS4585
Comp
Coord arcsec 2000
15 41 26.21 +38 33 26.9
Date first
1960
Date last
2014
Obs
7
Pa first
274
Pa last
271
P.A. Now (θ)
271°
Sep first
155.0
Sep last
152.9
Sep. Now (ρ)
152.9"
Mag pri
7.89
Mag sec
16.00
delta mag (ΔM)
8.11
Spectral class
M6 (red)
Pri motion ra
+055
Sec motion ra
Pri motion dec
-174
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
270.9
Precise sep
152.909
Var name
RR CrB
Constellation
Corona Borealis
SAO
64848
HIP
76844
Tycho2
3053-01035-1
HD
140297
BD
BD+39 2901
Distance
341.3
Distance ly
1113.32
last precise pa
270.9
last precise sep
152.909
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15415+3834 LDS4585 1960 1 274 155.0 8.50 16.00 154126.21+383326.9
15415+3834 LDS4585 2013 6 271 153.8 8.50 16.00 M6 154126.21+383326.9
15415+3834 LDS4585 2014 7 271 152.9 7.89 16.00 M6 154126.21+383326.9

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