18231-1701 HU  237

 
 
18h 23m 07.35s -17 01' 02.7" P.A. 28 sep 0.5 mag 9.46,9.86 Sp A0III/IV
 
 
Coord 2000
18231-1701
Discov num
HU  237
Comp
Coord arcsec 2000
18 23 07.35 -17 01 02.7
Date first
1900
Date last
1991
Obs
7
Pa first
24
Pa last
28
P.A. Now (θ)
28°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
9.46
Mag sec
9.86
delta mag (ΔM)
0.4
Spectral class
A0III/IV (white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-001
Sec motion dec
-001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
28.3
Precise sep
0.51
Constellation
Sagittarius
SAO
161410
Tycho2
6269-01299-1
HD
168971
last precise pa
28.3
last precise sep
0.51
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18231-1701 HU 237 1991 7 28 0.5 9.46 9.86 A0III/IV 182307.35-170102.7

If you need more information about this double, apply for a data request form to the WDS.