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) |
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 |
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 |