Coord 2000 | 00487+1841 |
Discov num | BU 495 |
Comp | AB |
Coord arcsec 2000 | 00 48 44.81 +18 41 07.9 |
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Date first | 1878 |
Date last | 2018 |
Obs | 165 |
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Pa first | 231 |
Pa last | 238 |
P.A. Now (θ) | 234.1° |
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Sep first | 0.6 |
Sep last | 0.4 |
Sep. Now (ρ) | 0.5" |
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Mag pri | 8.34 |
Mag sec | 8.61 |
delta mag (ΔM) | 0.27 |
Spectral class | G0 (yellow) |
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Pri motion ra | -015 |
Sec motion ra | |||||||||
Pri motion dec | -051 |
Sec motion dec | |||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 92095 | 00 48 45 +18 41 08 | BU 495 AB | 2018 | 165 | 234 | 0.5 | 8.34 | 8.61 | 0.27 | Y | <=== | |
Show | 92095 | 00 48 45 +18 41 08 | TOK 224 AC | 2015 | 10 | 139 | 152.3 | 8.34 | 10.83 | 2.49 | |||
Show | 92095 | 00 48 52 +18 39 13 | RAO 5 Ca,Cb | 2013 | 2 | 321 | 0.7 | 10.83 | 12.00 | 1.17 |
Precise pa | 237.8 |
Precise sep | 0.429 |
Constellation | Pisces |
SAO | 92095 |
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HIP | 3795 |
Tycho2 | 1191-01284-1 |
HD | 4655 |
ADS | 673 |
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BD | BD+17 105 |
Distance | 64.1 |
Distance ly | 209.09 |
last precise pa | 237.8 |
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last precise sep | 0.429 |
Period (P) | 143.628y | ± 4 | Periastron (T) | 1979.856y | ± 0.27 | Semi-major axis (a) | 0.617a | ± 0.026 |
Eccentricity (e) | 0.5 | ± 0.01 | Inclination (i) | 107.4° | ± 4.6 | Longitude of periastron (ω) | 338.1° | ± 12.4 |
Node (Ω) | 31.3° | ± 5.6 | Note | Grade | 2 | (1=Definitive, 9=Indet.) | ||
Equinox | 2000 | Last observation | 1998 |
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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 |
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coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
00487+1841 | BU 495 | AB | 2013 | 162 | 245 | 0.3 | 8.34 | 8.61 | G0 | NO | 004844.81+184107.9 |
00487+1841 | BU 495 | AB | 2018 | 163 | 238 | 0.4 | 8.34 | 8.61 | G0 | NO | 004844.81+184107.9 |