15440+2220 COU 106 (PS Ser)

 
 
15h 43m 57.93s +22 20' 23.0" P.A. 271 sep 0.3 mag 8.69,9.22 Sp F8 dist. 129.2 pc (421.45 l.y.)
 
 
Coord 2000
15440+2220
Discov num
COU 106
Comp
Coord arcsec 2000
15 43 57.93 +22 20 23.0
Date first
1966
Date last
2011
Obs
33
Pa first
278
Pa last
271
P.A. Now (θ)
271°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
8.69
Mag sec
9.22
delta mag (ΔM)
0.53
Spectral class
F8 (yellow-white)
Pri motion ra
-011
Sec motion ra
-011
Pri motion dec
-021
Sec motion dec
-021
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
271
Precise sep
0.34
Var name
PS Ser
Constellation
Serpens
SAO
83970
HIP
77045
Tycho2
1501-01336-1
HD
140629
BD
BD+22 2878
Distance
129.2
Distance ly
421.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15440+2220 COU 106 2005 28 275 0.3 8.69 9.22 F8 D 154357.93+222023.0
15440+2220 COU 106 2008 30 274 0.4 8.69 9.22 F8 N D 154357.93+222023.0
15440+2220 COU 106 2011 33 271 0.3 8.69 9.22 F8 N 154357.93+222023.0

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