18293-1517 HU   67

 
 
18h 29m 17.74s -15 16' 57.8" P.A. 323 sep 1.7 mag 8.51,11.70 Sp B9II/III
 
 
Coord 2000
18293-1517
Discov num
HU   67
Comp
Coord arcsec 2000
18 29 17.74 -15 16 57.8
Date first
1899
Date last
1923
Obs
2
Pa first
324
Pa last
323
P.A. Now (θ)
323°
Sep first
1.7
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
8.51
Mag sec
11.70
delta mag (ΔM)
3.19
Spectral class
B9II/III (blue-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
322.6
Precise sep
1.69
Constellation
Scutum
SAO
161522
Tycho2
6266-00411-1
HD
170318
last precise pa
322.6
last precise sep
1.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18293-1517 HU 67 1923 2 323 1.7 8.51 11.70 B9II/III 182917.74-151657.8

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