18534+3728 HO   89

 
 
18h 53m 22.33s +37 28' 23.3" P.A. 170 sep 6 mag 8.89,12.90 Sp A
 
 
Coord 2000
18534+3728
Discov num
HO   89
Comp
Coord arcsec 2000
18 53 22.33 +37 28 23.3
Date first
1886
Date last
2017
Obs
13
Pa first
167
Pa last
170
P.A. Now (θ)
170°
Sep first
6.0
Sep last
6.0
Sep. Now (ρ)
6"
Mag pri
8.89
Mag sec
12.90
delta mag (ΔM)
4.01
Spectral class
A (white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
170
Precise sep
5.96
Constellation
Lyra
SAO
67530
Tycho2
2650-01804-1
HD
175371
last precise pa
170
last precise sep
5.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18534+3728 HO 89 1999 9 169 6.0 8.89 12.90 A D 185322.33+372823.3
18534+3728 HO 89 2010 10 170 5.2 8.89 12.90 A D 185322.33+372823.3
18534+3728 HO 89 2017 13 170 6.0 8.89 12.90 A 185322.33+372823.3

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