18461-1529 HU  251

 
 
18h 46m 05.78s -15 28' 33.9" P.A. 304 sep 2.6 mag 8.51,11.86 Sp A0V
 
 
Coord 2000
18461-1529
Discov num
HU  251
Comp
Coord arcsec 2000
18 46 05.78 -15 28 33.9
Date first
1900
Date last
1991
Obs
6
Pa first
310
Pa last
304
P.A. Now (θ)
304°
Sep first
2.4
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
8.51
Mag sec
11.86
delta mag (ΔM)
3.35
Spectral class
A0V (white)
Pri motion ra
+009
Sec motion ra
+005
Pri motion dec
-004
Sec motion dec
+000
Notes
rPM=0.574
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
303.6
Precise sep
2.57
Constellation
Scutum
Tycho2
6280-00519-1
HD
173479
last precise pa
303.6
last precise sep
2.57
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18461-1529 HU 251 1991 6 304 2.6 8.51 11.86 A0V 184605.78-152833.9

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