18337+4247 COU1790

 
 
18h 33m 43.59s +42 47' 00.7" P.A. 248 sep 1.3 mag 10.94,10.96 Sp F0
 
 
Coord 2000
18337+4247
Discov num
COU1790
Comp
Coord arcsec 2000
18 33 43.59 +42 47 00.7
Date first
1978
Date last
2010
Obs
6
Pa first
72
Pa last
248
P.A. Now (θ)
248°
Sep first
1.3
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
10.94
Mag sec
10.96
delta mag (ΔM)
0.02
Spectral class
F0 (yellow-white)
Pri motion ra
+005
Sec motion ra
+005
Pri motion dec
-011
Sec motion dec
-011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
248.3
Precise sep
1.334
Constellation
Lyra
Tycho2
3113-00395-1
last precise pa
248.3
last precise sep
1.334
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18337+4247 COU1790 1997 4 79 1.4 10.94 10.96 F0 183343.59+424700.7
18337+4247 COU1790 2007 5 250 1.3 10.94 10.96 F0 183343.59+424700.7
18337+4247 COU1790 2010 6 248 1.3 10.94 10.96 F0 183343.59+424700.7

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