18498+3249 WAL  95AF

 
 
18h 49m 45.91s +32 48' 46.2" P.A. 349 sep 70.6 mag 5.89,12.92 Sp B3IV
 
 
Coord 2000
18498+3249
Discov num
WAL  95
Comp
AF
Coord arcsec 2000
18 49 45.91 +32 48 46.2
Date first
1914
Date last
2002
Obs
7
Pa first
349
Pa last
349
P.A. Now (θ)
349°
Sep first
70.0
Sep last
70.6
Sep. Now (ρ)
70.6"
Mag pri
5.89
Mag sec
12.92
delta mag (ΔM)
7.03
Spectral class
B3IV (blue-white)
Pri motion ra
+002
Sec motion ra
+001
Pri motion dec
-004
Sec motion dec
-003
Notes
N (See Notes)
rPM=0.316
Nature of this double is uncertain.
 
 
18498+3249 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Nu1 Lyr 67441 18498+3249 H 5 40 AB 1836 2009 10 76 34.1 5.89 13.00 7.11
Show 18498+3249 H 5 40 AC 1781 2009 22 120 57.5 5.89 11.20 5.31
Show 18498+3249 WAL 95 AE 1944 2008 2 350 80.0 5.89 11.64 5.75
Show 18498+3249 WAL 95 AF 1914 2002 7 349 70.6 5.89 12.92 7.03 <===
Show 18498+3249 H 5 40 CD 1836 2008 6 212 18.8 11.20 13.20 2.00
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
348.9
Precise sep
70.56
Cdsa2 id
WAL 95 AF
Constellation
Lyra
Ra deg
18.829419444444444
De deg
32.81283333333333
last precise pa
348.9
last precise sep
70.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18498+3249 WAL 95 AF 1998 4 349 70.4 5.93 12.92 B3IV D 184945.91+324846.2
18498+3249 WAL 95 AF 2002 5 349 70.9 5.93 12.92 B3IV N D 184945.91+324846.2

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