Coord 2000 | 19579+2032 |
Discov num | BU 981 |
Comp | AB |
Coord arcsec 2000 | 19 57 56.77 +20 32 27.2 |
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Date first | 1880 |
Date last | 2016 |
Obs | 15 |
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Pa first | 111 |
Pa last | 107 |
P.A. Now (θ) | 107° |
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Sep first | 3.1 |
Sep last | 3.0 |
Sep. Now (ρ) | 3" |
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Mag pri | 8.32 |
Mag sec | 11.40 |
delta mag (ΔM) | 3.08 |
Spectral class | G5 (yellow) |
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Pri motion ra | +006 |
Sec motion ra | +010 |
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Pri motion dec | +002 |
Sec motion dec | +001 |
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Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 87985 | 19 57 57 +20 32 27 | BU 981 AB | 2016 | 15 | 107 | 3.0 | 8.32 | 11.40 | 3.08 | <=== | ||
Show | 87985 | 19 57 57 +20 32 27 | BU 981 AC | 2015 | 10 | 56 | 30.3 | 8.32 | 12.12 | 3.80 |
Precise pa | 106.9 |
Precise sep | 3.04 |
Constellation | Sagitta |
SAO | 87985 |
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HIP | 98255 |
Tycho2 | 1624-00517-1 |
Gaia DR2 | 1823387722283747072 |
HD | 350851 |
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BD | BD+20 4357 |
Distance | 187.27 |
Distance ly | 610.87 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
19579+2032 | BU 981 | AB | 1991 | 13 | 109 | 3.2 | 8.32 | 11.40 | G5 | 195756.77+203227.2 | |
19579+2032 | BU 981 | AB | 2016 | 15 | 107 | 3.0 | 8.32 | 11.40 | G5 | 195756.77+203227.2 |