15440+0231 RDR   6Ba,Bb

 
 
15h 44m 02.15s +02 31' 02.2" P.A. 27 sep 0.2 mag 12.70,12.80 Sp M3+M3 dist. 14.66 pc (47.82 l.y.)
 
 
Coord 2000
15440+0231
Discov num
RDR   6
Comp
Ba,Bb
Coord arcsec 2000
15 44 02.15 +02 31 02.2
Date first
2009
Date last
2015
Obs
3
Pa first
31
Pa last
27
P.A. Now (θ)
27°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
12.70
Mag sec
12.80
delta mag (ΔM)
0.1
Spectral class
M3+M3 (red/red)
Pri motion ra
Sec motion ra
Pri motion dec
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
15440+0231 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Psi Ser 121152 15440+0231 A 2230 AB 1910 2013 17 16 4.6 5.95 12.00 6.05 Y
Show 121152 15440+0231 A 2230 AC 1908 2013 14 208 193.9 5.95 9.23 3.28
Show 121152 15440+0231 A 2230 AD 1887 2014 22 285 172.4 5.95 10.95 5.00
Show 121152 15440+0231 RDR 6 Ba,Bb 2009 2015 3 27 0.2 12.70 12.80 0.10 <===
Show 15440+0231 A 2230 CE 1908 2012 16 235 172.8 9.23 7.28 1.95
Sextuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
SAO
121152
HIP
77052
Tycho2
0355-01288-1
HD
140538
HR
5853
GC
21155
GL
Gl 596.1A
BD
BD+02 2989
Bayer
Psi Serpentis
Bayer name
Psi Ser
Flamsteed
23 Serpentis
Flamsteed name
23 Ser
Distance
14.66
Distance ly
47.82
last precise pa
26.9
last precise sep
0.226
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15440+0231 RDR 6 Ba,Bb 2009 1 31 0.2 12.70 12.80 M3+M3 N 154402.15+023102.2
15440+0231 RDR 6 Ba,Bb 2015 3 27 0.2 12.70 12.80 M3+M3 N 154402.15+023102.2

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