| Coord 2000 | 20178+0612 |
Discov num | AG 251 |
Comp | AC |
Coord arcsec 2000 | 20 17 46.09 +06 11 37.8 |
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| Date first | 1911 |
Date last | 2015 |
Obs | 8 |
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| Pa first | 223 |
Pa last | 221 |
P.A. Now (θ) | 221° |
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| Sep first | 87.6 |
Sep last | 87.7 |
Sep. Now (ρ) | 87.7" |
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| Mag pri | 8.61 |
Mag sec | 12.11 |
delta mag (ΔM) | 3.5 |
Spectral class | A3 (white) |
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| Pri motion ra | -004 |
Sec motion ra | +003 |
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| Pri motion dec | +004 |
Sec motion dec | -014 |
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| Notes | |||||||||||
| Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 20 17 46 +06 11 38 | AG 251 AB | 2016 | 27 | 185 | 7.3 | 8.61 | 10.00 | 1.39 | ||||
| Show | 20 17 46 +06 11 38 | AG 251 AC | 2015 | 8 | 221 | 87.7 | 8.61 | 12.11 | 3.50 | <=== |
| Precise pa | 221.1 |
Precise sep | 87.651 |
Constellation | Aquila |
Tycho2 | 0508-02203-1 |
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| Gaia DR2 | 4249399617137656576 |
HD | 192994 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20178+0612 | AG 251 | AC | 2000 | 3 | 221 | 87.6 | 8.61 | 12.00 | D | 201746.09+061137.8 | |
| 20178+0612 | AG 251 | AC | 2015 | 5 | 221 | 87.7 | 8.61 | 12.11 | A3 | 201746.09+061137.8 |