15223+2455 COU 309

 
 
15h 22m 19.13s +24 54' 40.6" P.A. 342 sep 1.8 mag 10.00,11.30
 
 
Coord 2000
15223+2455
Discov num
COU 309
Comp
Coord arcsec 2000
15 22 19.13 +24 54 40.6
Date first
1968
Date last
2010
Obs
4
Pa first
339
Pa last
342
P.A. Now (θ)
342°
Sep first
1.5
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
10.00
Mag sec
11.30
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
+035
Sec motion ra
Pri motion dec
-027
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
341.8
Precise sep
1.825
Constellation
Serpens
Tycho2
2025-01335-1
last precise pa
341.8
last precise sep
1.825
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15223+2455 COU 309 2005 3 343 1.9 10.00 11.30 152219.13+245440.6
15223+2455 COU 309 2010 4 342 1.8 10.00 11.30 152219.13+245440.6

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