| Coord 2000 | 15440+2220 |
Discov num | COU 106 |
Comp | Coord arcsec 2000 | 15 43 57.93 +22 20 23.0 |
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| Date first | 1966 |
Date last | 2008 |
Obs | 30 |
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| Pa first | 278 |
Pa last | 274 |
P.A. Now (θ) | 274° |
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| Sep first | 0.3 |
Sep last | 0.4 |
Sep. Now (ρ) | 0.4" |
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| Mag pri | 8.69 |
Mag sec | 9.22 |
delta mag (ΔM) | 0.53 |
Spectral class | F8 (yellow-white) |
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| Pri motion ra | -011 |
Sec motion ra | -011 |
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| Pri motion dec | -021 |
Sec motion dec | -021 |
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| Notes | N
(See Notes) |
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| Precise pa | 273.9 |
Precise sep | 0.406 |
Var name | PS Ser |
Cdsa2 id | COU 106 |
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| Constellation | Serpens |
SAO | 83970 |
HIP | 77045 |
Tycho2 | 1501-01336-1 |
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| HD | 140629 |
BD | BD+22 2878 |
Ra deg | 15.732758333333333 |
De deg | 22.33972222222222 |
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| Distance | 129.2 |
Distance ly | 421.45 |
last precise pa | 273.9 |
last precise sep | 0.406 |
| 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 |