15018-0008 BU  348AB (2 Ser)

 
 
15h 01m 48.92s -00 08' 24.9" P.A. 108 sep 0.5 mag 6.13,7.49 Sp M0.5IIb
 
 
Coord 2000
15018-0008
Discov num
BU  348
Comp
AB
Coord arcsec 2000
15 01 48.92 -00 08 24.9
Date first
1875
Date last
2007
Obs
66
Pa first
130
Pa last
108
P.A. Now (θ)
108°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
6.13
Mag sec
7.49
delta mag (ΔM)
1.36
Spectral class
M0.5IIb (red)
Pri motion ra
+009
Sec motion ra
+009
Pri motion dec
-014
Sec motion dec
-014
Notes
Nature of this double is uncertain.
 
 
15018-0008 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 2 Ser 120798 15018-0008 BU 348 AB 1875 2007 66 108 0.5 6.13 7.49 1.36 <===
Show 120798 15018-0008 BU 348 AC 1899 2000 3 217 31.2 6.13 14.50 8.37
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
108
Precise sep
0.487
Name
2 Ser
Cdsa2 id
BU 348 AB
Constellation
Serpens
SAO
120798
Tycho2
5000-00867-1
HD
132933
HR
5594
Flamsteed
2 Serpentis
Flamsteed name
2 Ser
Ra deg
15.030255555555556
De deg
-0.14024999999999999
last precise pa
108
last precise sep
0.487
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15018-0008 BU 348 AB 2005 64 108 0.5 6.13 7.49 M0.5IIb D 150148.92-000824.9
15018-0008 BU 348 AB 2007 66 108 0.5 6.13 7.49 M0.5IIb D 150148.92-000824.9

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