17565-1327 RST3987

 
 
17h 56m 29.31s -13 26' 31.0" P.A. 149 sep 1 mag 9.90,13.90 Sp B9.5IV/V
 
 
Coord 2000
17565-1327
Discov num
RST3987
Comp
Coord arcsec 2000
17 56 29.31 -13 26 31.0
Date first
1937
Date last
1943
Obs
2
Pa first
146
Pa last
149
P.A. Now (θ)
149°
Sep first
1.0
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
9.90
Mag sec
13.90
delta mag (ΔM)
4
Spectral class
B9.5IV/V (blue-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
148.9
Precise sep
0.97
Constellation
Serpens
SAO
160919
Tycho2
5686-00557-1
HD
163388
last precise pa
148.9
last precise sep
0.97
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17565-1327 RST3987 1943 2 149 1.0 9.90 13.90 B9.5IV/V 175629.31-132631.0

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