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
 
 
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
HD
174602
HR
7102
Bayer
Nu Lyrae
Bayer name
Nu Lyr
Flamsteed
9 Lyrae
Flamsteed name
9 Lyr
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

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