15440+2220 COU 106 (PS Ser)

 
 
15h 43m 57.93s +22 20' 23.0" P.A. 274 sep 0.4 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
2008
Obs
30
Pa first
278
Pa last
274
P.A. Now (θ)
274°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
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
273.9
Precise sep
0.406
Var name
PS Ser
Cdsa2 id
COU 106
Constellation
Serpens
SAO
83970
HIP
77045
Tycho2
1501-01336-1
HD
140629
BD
BD+22 2878
Ra deg
15.732758333333333
De deg
22.33972222222222
Distance
129.2
Distance ly
421.45
last precise pa
273.9
last precise sep
0.406
 
 
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

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