18530+1137 HU  258

 
 
18h 53m 01.48s +11 37' 17.3" P.A. 218 sep 2.5 mag 9.56,10.37 Sp A0
 
 
Coord 2000
18530+1137
Discov num
HU  258
Comp
Coord arcsec 2000
18 53 01.48 +11 37 17.3
Date first
1900
Date last
2012
Obs
27
Pa first
216
Pa last
218
P.A. Now (θ)
218°
Sep first
2.5
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
9.56
Mag sec
10.37
delta mag (ΔM)
0.81
Spectral class
A0 (white)
Pri motion ra
+004
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
217.7
Precise sep
2.48
Cdsa2 id
HU 258
Constellation
Aquila
Tycho2
1034-00560-1
HD
175012
Ra deg
18.883744444444442
De deg
11.621472222222224
last precise pa
217.7
last precise sep
2.48
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18530+1137 HU 258 1999 28 217 2.4 9.56 10.37 A0 185301.48+113717.3
18530+1137 HU 258 2012 29 218 2.4 9.56 10.37 A0 185301.48+113717.3

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