00183-2108 BU  393

 
 
00h 18m 16.95s -21 08' 18.5" P.A. 29.00 sep 0.7 mag 6.90,8.42 Sp B9.5IV dist. 181.82 pc (593.1 l.y.)
 
 
Coord 2000
00183-2108
Discov num
BU  393
Comp
Coord arcsec 2000
00 18 16.95 -21 08 18.5
Date first
1875
Date last
1991
Obs
36
Pa first
30
Pa last
29
P.A. Now (θ)
29°
Sep first
0.5
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
6.90
Mag sec
8.42
delta mag (ΔM)
1.52
Spectral class
B9.5IV (blue-white)
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
-006
Sec motion dec
-006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
28.5
Precise sep
0.67
Constellation
Hydra
SAO
166174
HIP
1464
Tycho2
5845-00998-1
Gaia DR2
2361504140398326528
HD
1431
BD
BD-21 31
Distance
181.82
Distance ly
593.1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00183-2108 BU 393 1991 36 29 0.7 6.90 8.42 B9.5IV D 001816.95-210818.5

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WDS 00183-2108 BU 393 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 

 
 
WDS 00183-2108 BU 393 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00183-2108 BU 393 : MEASURES
 
 
No records found.

 
 
WDS 00183-2108 BU 393 : Virtual Eyepiece
 
 

00183-2108 BU  393A mag 6.9 Sp B9.5IV 00183-2108 BU  393B sep 0.7 P.A. 26.90 mag 8.42 virtual eyepiece
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Radius:
 
 
WDS 00183-2108 BU 393 : Aladin DSS image @ 00h 18m 16.95s -21 08' 18.5"