18582-2025 HO  271

 
 
18h 58m 10.76s -20 25' 25.5" P.A. 327 sep 17.4 mag 6.94,12.27 Sp O8V
 
 
Coord 2000
18582-2025
Discov num
HO  271
Comp
Coord arcsec 2000
18 58 10.76 -20 25 25.5
Date first
1889
Date last
2010
Obs
7
Pa first
334
Pa last
327
P.A. Now (θ)
327°
Sep first
16.4
Sep last
17.4
Sep. Now (ρ)
17.4"
Mag pri
6.94
Mag sec
12.27
delta mag (ΔM)
5.33
Spectral class
O8V (blue)
Pri motion ra
+005
Sec motion ra
+031
Pri motion dec
-006
Sec motion dec
-010
Notes
N (See Notes)
rPM=0.808
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
326.5
Precise sep
17.36
Cdsa2 id
HO 271
Constellation
Sagittarius
Ra deg
18.969655555555555
De deg
-20.423750000000002
last precise pa
326.5
last precise sep
17.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18582-2025 HO 271 2000 5 327 17.3 6.94 12.27 O8V N D 185810.76-202525.5
18582-2025 HO 271 2010 7 326 17.2 6.94 12.27 O8V N 185810.76-202525.5

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