Coord 2000 | 19563+3505 |
Discov num | HJ 1455 |
Comp | AC |
Coord arcsec 2000 | 19 56 18.40 +35 05 00.6 |
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Date first | 1828 |
Date last | 2016 |
Obs | 14 |
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Pa first | 332 |
Pa last | 333 |
P.A. Now (θ) | 333° |
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Sep first | 30.0 |
Sep last | 45.9 |
Sep. Now (ρ) | 45.9" |
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Mag pri | 3.89 |
Mag sec | 10.50 |
delta mag (ΔM) | 6.61 |
Spectral class | K0III (yellow-orange) |
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Pri motion ra | -034 |
Sec motion ra | +001 |
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Pri motion dec | -028 |
Sec motion dec | -006 |
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Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | Eta Cyg | 69116 | 19 56 18 +35 05 01 | BU 980 AB | 2017 | 17 | 206 | 7.2 | 3.89 | 12.00 | 8.11 | ||
Show | 69116 | 19 56 18 +35 05 01 | HJ 1455 AC | 2016 | 14 | 333 | 45.9 | 3.89 | 10.50 | 6.61 | <=== | ||
Show | 69116 | 19 56 18 +35 05 01 | HJ 1455 AD | 2016 | 12 | 163 | 47.5 | 3.89 | 10.40 | 6.51 | |||
Show | 69116 | 19 56 18 +35 05 01 | BU 980 AE | 2016 | 8 | 247 | 56.5 | 3.89 | 11.50 | 7.61 | |||
Show | 69116 | 19 56 17 +35 05 41 | BU 980 CE | 2015 | 6 | 206 | 70.3 | 12.50 | 12.90 | 0.40 | |||
Show | 69116 | 19 56 17 +35 05 41 | BU 980 CF | 2013 | 2 | 264 | 8.3 | 12.50 | 14.70 | 2.20 |
Precise pa | 332.8 |
Precise sep | 45.89 |
Constellation | Cygnus |
SAO | 69116 |
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HIP | 98110 |
Tycho2 | 2677-01816-1 |
Gaia DR2 | 2059372363881617536 |
HD | 188947 |
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HR | 7615 |
GC | 27622 |
BD | BD+34 3798 |
Bayer | Eta Cygni |
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Bayer name | Eta Cyg |
Flamsteed | 21 Cygni |
Flamsteed name | 21 Cyg |
Distance | 41.37 |
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Distance ly | 134.95 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
19563+3505 | HJ 1455 | AC | 2007 | 10 | 333 | 46.2 | 3.89 | 10.50 | K0III | N D | 195618.40+350500.6 |
19563+3505 | HJ 1455 | AC | 2012 | 13 | 333 | 46.4 | 3.89 | 10.50 | K0III | N D | 195618.40+350500.6 |
19563+3505 | HJ 1455 | AC | 2016 | 14 | 333 | 45.9 | 3.89 | 10.50 | K0III | N | 195618.40+350500.6 |