02051-1737 BEU   3

 
 
02h 05m 04.84s -17 36' 52.6" P.A. 102 sep 0.6 mag 5.57,9.39 Sp M2.5+M7 dist. 9.14 pc (29.81 l.y.)
 
 
Coord 2000
02051-1737
Discov num
BEU   3
Comp
Coord arcsec 2000
02 05 04.84 -17 36 52.6
Date first
2002
Date last
2013
Obs
5
Pa first
101
Pa last
102
P.A. Now (θ)
102°
Sep first
0.4
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
5.57
Mag sec
9.39
delta mag (ΔM)
3.82
Spectral class
M2.5+M7 (red/red)
Pri motion ra
+132
Sec motion ra
Pri motion dec
-017
Sec motion dec
Notes
N P K (See Notes, 100-year proper motion, K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
HIP
9724
Tycho2
5856-02250-1
GL
Gl 84
BD
BD-18 359
Distance
9.14
Distance ly
29.81
last precise pa
102.1
last precise sep
0.62
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02051-1737 BEU 3 2002 2 103 0.4 10.19   M2.5 N DP 020504.84-173652.6
02051-1737 BEU 3 2013 5 102 0.6 5.57 9.39 M2.5+M7 N PK 020504.84-173652.6

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