18154+3433 SEI 562

 
 
18h 15m 22.99s +34 32' 48.0" P.A. 327 sep 27.3 mag 11.04,12.68
 
 
Coord 2000
18154+3433
Discov num
SEI 562
Comp
Coord arcsec 2000
18 15 22.99 +34 32 48.0
Date first
1894
Date last
2010
Obs
7
Pa first
328
Pa last
327
P.A. Now (θ)
327°
Sep first
29.5
Sep last
27.3
Sep. Now (ρ)
27.3"
Mag pri
11.04
Mag sec
12.68
delta mag (ΔM)
1.64
Spectral class
Pri motion ra
-004
Sec motion ra
-003
Pri motion dec
-006
Sec motion dec
-021
Notes
rPM=0.709
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
327.4
Precise sep
27.27
Constellation
Lyra
Tycho2
2630-01245-1
last precise pa
327.4
last precise sep
27.27
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18154+3433 SEI 562 1998 5 327 27.5 11.04 12.68 D 181522.99+343248.0
18154+3433 SEI 562 2002 6 328 27.4 11.04 12.68 D 181522.99+343248.0
18154+3433 SEI 562 2010 7 327 27.2 11.04 12.68 181522.99+343248.0

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