18526+3131 SEI 576

 
 
18h 52m 36.08s +31 31' 05.3" P.A. 297 sep 16 mag 10.70,11.48
 
 
Coord 2000
18526+3131
Discov num
SEI 576
Comp
Coord arcsec 2000
18 52 36.08 +31 31 05.3
Date first
1893
Date last
2010
Obs
8
Pa first
299
Pa last
297
P.A. Now (θ)
297°
Sep first
16.3
Sep last
16.0
Sep. Now (ρ)
16"
Mag pri
10.70
Mag sec
11.48
delta mag (ΔM)
0.78
Spectral class
Pri motion ra
+004
Sec motion ra
+003
Pri motion dec
+003
Sec motion dec
+001
Notes
rPM=0.447
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
296.5
Precise sep
16.04
Constellation
Lyra
Tycho2
2638-01016-1
last precise pa
296.5
last precise sep
16.04
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18526+3131 SEI 576 2002 6 297 16.0 10.70 11.48 D 185236.08+313105.3
18526+3131 SEI 576 2010 8 297 16.0 10.70 11.48 185236.08+313105.3

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