18559+0323 A  2193

 
 
18h 55m 51.23s +03 22' 30.8" P.A. 355 sep 0.9 mag 8.77,9.19 Sp F0
 
 
Coord 2000
18559+0323
Discov num
A  2193
Comp
Coord arcsec 2000
18 55 51.23 +03 22 30.8
Date first
1910
Date last
2011
Obs
39
Pa first
333
Pa last
355
P.A. Now (θ)
355°
Sep first
0.5
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
8.77
Mag sec
9.19
delta mag (ΔM)
0.42
Spectral class
F0 (yellow-white)
Pri motion ra
+011
Sec motion ra
+011
Pri motion dec
-009
Sec motion dec
-009
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
354.8
Precise sep
0.877
Cdsa2 id
A 2193
Constellation
Serpens
Tycho2
0453-00415-1
HD
175558
Ra deg
18.930897222222224
De deg
3.3752222222222223
last precise pa
354.8
last precise sep
0.877
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18559+0323 A 2193 2005 36 354 0.8 8.77 9.19 F0 N 185551.23+032230.8
18559+0323 A 2193 2007 37 354 0.9 8.77 9.19 F0 N 185551.23+032230.8
18559+0323 A 2193 2009 38 355 0.9 8.77 9.19 F0 N 185551.23+032230.8
18559+0323 A 2193 2011 39 355 0.9 8.77 9.19 F0 N 185551.23+032230.8

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