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
Constellation
Lyra
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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