Coord 2000 | 15382+3615 |
Discov num | STF1964 |
Comp | CD |
Coord arcsec 2000 | 15 38 14.14 +36 14 49.7 |
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Date first | 1829 |
Date last | 2016 |
Obs | 56 |
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Pa first | 10 |
Pa last | 23 |
P.A. Now (θ) | 19.7° |
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Sep first | 1.4 |
Sep last | 1.7 |
Sep. Now (ρ) | 1.51" |
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Mag pri | 8.06 |
Mag sec | 9.02 |
delta mag (ΔM) | 0.96 |
Spectral class | F5 (yellow-white) |
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Pri motion ra | -062 |
Sec motion ra | -062 |
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Pri motion dec | +043 |
Sec motion dec | +043 |
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Notes |
Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 64821 | 15382+3615 | HU 1167 | AB | 1905 | 2015 | 25 | 81 | 1.2 | 8.07 | 9.87 | 1.80 | Y | ||
Show | 64821 | 15382+3615 | STF1964 | AC | 1782 | 2016 | 78 | 87 | 15.1 | 8.07 | 8.06 | 0.01 | |||
Show | 64821 | 15382+3615 | STF1964 | AD | 1900 | 2015 | 15 | 81 | 15.7 | 8.07 | 9.02 | 0.95 | |||
Show | 64821 | 15382+3615 | STF1964 | CD | 1829 | 2016 | 56 | 20 | 1.5 | 8.06 | 9.02 | 0.96 | Y | <=== | |
Show | 64821 | 15382+3615 | WAK 1 | CE | 1970 | 1970 | 1 | 82 | 0.1 | 8.07 | 8.20 | 0.13 |
Constellation | Corona Borealis |
SAO | 64821 |
HIP | 76566 |
Tycho2 | 2577-01755-1 |
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HD | 139691 |
ADS | 9731 |
Distance | 27.59 |
Distance ly | 90 |
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last precise pa | 22.5 |
last precise sep | 1.73 |
Period (P) | 1230y | ± 261 | Periastron (T) | 1955.3y | ± 21.3 | Semi-major axis (a) | 1.582a | ± 0.027 |
Eccentricity (e) | 0 | Inclination (i) | 78.4° | ± 3.8 | Longitude of periastron (ω) | 0° | ||
Node (Ω) | 15.9° | ± 1.6 | Note | Grade | 5 | (1=Definitive, 9=Indet.) | ||
Equinox | Last observation | 1994 |
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
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![]() Measures: green=micrometric, blue=interferometric, purple=photographic |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
15382+3615 | STF1964 | CD | 2007 | 43 | 19 | 1.4 | 8.07 | 9.02 | NOD | 153812.96+361448.3 | |
15382+3615 | STF1964 | CD | 2008 | 45 | 20 | 1.5 | 8.07 | 9.02 | NOD | 153812.96+361448.3 | |
15382+3615 | STF1964 | CD | 2010 | 46 | 20 | 1.6 | 8.07 | 9.02 | NOD | 153812.96+361448.3 | |
15382+3615 | STF1964 | CD | 2012 | 49 | 21 | 1.5 | 8.07 | 9.02 | NOD | 153814.14+361449.7 | |
15382+3615 | STF1964 | CD | 2015 | 52 | 18 | 1.4 | 8.06 | 9.02 | F5 | NO | 153814.14+361449.7 |
15382+3615 | STF1964 | CD | 2016 | 56 | 23 | 1.7 | 8.06 | 9.02 | F5 | NO | 153814.14+361449.7 |