18503+0807 HU  254

 
 
18h 50m 16.74s +08 07' 17.5" P.A. 145 sep 1.2 mag 9.54,11.24 Sp K0
 
 
Coord 2000
18503+0807
Discov num
HU  254
Comp
Coord arcsec 2000
18 50 16.74 +08 07 17.5
Date first
1900
Date last
1991
Obs
5
Pa first
157
Pa last
145
P.A. Now (θ)
145°
Sep first
1.2
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
9.54
Mag sec
11.24
delta mag (ΔM)
1.7
Spectral class
K0 (yellow-orange)
Pri motion ra
-005
Sec motion ra
-005
Pri motion dec
-030
Sec motion dec
-030
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
145.3
Precise sep
1.246
Constellation
Aquila
Tycho2
1026-01343-1
HD
174460
last precise pa
145.3
last precise sep
1.246
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18503+0807 HU 254 1991 5 145 1.2 9.54 11.24 K0 185016.74+080717.5

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