15590-6502 HDS2250Aa,Ab

 
 
15h 58m 58.16s -65 02' 15.2" P.A. 326 sep 0.2 mag 5.77,9.34 Sp B7III dist. 272.48 pc (888.83 l.y.)
 
 
Coord 2000
15590-6502
Discov num
HDS2250
Comp
Aa,Ab
Coord arcsec 2000
15 58 58.16 -65 02 15.2
Date first
1991
Date last
1991
Obs
1
Pa first
326
Pa last
326
P.A. Now (θ)
326°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
5.77
Mag sec
9.34
delta mag (ΔM)
3.57
Spectral class
B7III (blue-white)
Pri motion ra
-009
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
15590-6502 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 253362 15590-6502 HDS2250 Aa,Ab 1991 1991 1 326 0.2 5.77 9.34 3.57 <===
Show 253362 15590-6502 B 854 AB 1927 2000 2 283 9.8 5.77 12.50 6.73
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
326
Precise sep
0.249
Constellation
Triangulum Australe
SAO
253362
HIP
78279
Tycho2
9031-04549-1
HD
142514
HR
5920
CP
CP-64 3320
Distance
272.48
Distance ly
888.83
last precise pa
326
last precise sep
0.249
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15590-6502 HDS2250 Aa,Ab 1991 1 326 0.2 5.77 9.34 B7III 155858.16-650215.2

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