18366+3328 STF2349AB

 
 
18h 36m 37.34s +33 28' 08.5" P.A. 201 sep 6.8 mag 5.39,9.40 Sp B8II-IIIp dist. 154.56 pc (504.17 l.y.)
 
 
Coord 2000
18366+3328
Discov num
STF2349
Comp
AB
Coord arcsec 2000
18 36 37.34 +33 28 08.5
Date first
1830
Date last
2013
Obs
19
Pa first
206
Pa last
201
P.A. Now (θ)
201°
Sep first
7.3
Sep last
6.8
Sep. Now (ρ)
6.8"
Mag pri
5.39
Mag sec
9.40
delta mag (ΔM)
4.01
Spectral class
B8II-IIIp (blue-white)
Pri motion ra
+004
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18366+3328 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67164 18366+3328 STF2349 AB 1830 2013 19 201 6.8 5.39 9.40 4.01 <===
Show 67164 18366+3328 WAL 92 AC 1944 1998 2 314 32.9 5.39 12.10 6.71
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
200.5
Precise sep
6.847
Constellation
Lyra
SAO
67164
HIP
91235
Tycho2
2641-02396-1
HD
172044
HR
6997
BD
BD+33 3154
Distance
154.56
Distance ly
504.17
last precise pa
200.5
last precise sep
6.847
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18366+3328 STF2349 AB 2006 18 204 7.4 5.39 9.40 B8II-IIIp N D 183637.34+332808.5
18366+3328 STF2349 AB 2013 19 201 6.8 5.39 9.40 B8II-IIIp N D 183637.34+332808.5

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