18499+3233 HO  440 (Nu Lyr)

 
 
18h 49m 52.92s +32 33' 03.9" P.A. 175 sep 18 mag 5.25,12.70 Sp A3V dist. 70.97 pc (231.5 l.y.)
 
 
Coord 2000
18499+3233
Discov num
HO  440
Comp
Coord arcsec 2000
18 49 52.92 +32 33 03.9
Date first
1892
Date last
2002
Obs
8
Pa first
177
Pa last
175
P.A. Now (θ)
175°
Sep first
19.0
Sep last
18.0
Sep. Now (ρ)
18"
Mag pri
5.25
Mag sec
12.70
delta mag (ΔM)
7.45
Spectral class
A3V (white)
Pri motion ra
-011
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
174.5
Precise sep
18.003
Name
Nu Lyr
Constellation
Lyra
SAO
67446
HIP
92405
Tycho2
2642-02932-1
HD
174602
HR
7102
GC
25841
BD
BD+32 3228
Bayer
Nu Lyrae
Bayer name
Nu Lyr
Flamsteed
9 Lyrae
Flamsteed name
9 Lyr
Distance
70.97
Distance ly
231.5
last precise pa
174.5
last precise sep
18.003
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18499+3233 HO 440 1998 7 174 18.5 5.25 12.70 A3V N D 184952.92+323303.9
18499+3233 HO 440 2002 8 175 18.0 5.25 12.70 A3V N D 184952.92+323303.9
18499+3233 HO 440 2010 9 173 17.6 5.25 12.70 A3V N 184952.92+323303.9

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