Coord 2000 | 19563+3505 | Discov num | HJ 1455 | Comp | AC | Coord arcsec 2000 | 19 56 18.40 +35 05 00.6 | ||||
Date first | 1828 | Date last | 2016 | Obs | 14 | ||||||
Pa first | 332 | Pa last | 332.8 | P.A. Now (θ) | 332.8° | ||||||
Sep first | 30.0 | Sep last | 45.89 | Sep. Now (ρ) | 45.89" | ||||||
Mag pri | 3.89 | Mag sec | 10.50 | delta mag (ΔM) | 6.61 | Spectral class | K0III (yellow-orange) | ||||
Pri motion ra | -034 | Sec motion ra | +003 | ||||||||
Pri motion dec | -026 | Sec motion dec | -006 | ||||||||
Notes | N S (See Notes, Parallax indidates non-physical) |
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 | 19 56 17 +35 05 41 | BU 980 CE | 2015 | 6 | 206 | 70.3 | 12.50 | 12.90 | 0.40 | ||||
Show | 19 56 17 +35 05 41 | BU 980 CF | 2013 | 2 | 264 | 8.3 | 12.50 | 14.70 | 2.20 |
Var name | NSV12586 Cyg | Constellation | Cygnus | SAO | 69116 | HIP | 98110 | ||||
Tycho2 | 2677-01816-1 | Gaia DR2 | 2059372363881617536 | HD | 188947 | HR | 7615 | ||||
GC | 27622 | ADS | 13149 | BD | BD+34 3798 | Bayer | Eta Cygni | ||||
Bayer name | Eta Cyg | Flamsteed | 21 Cygni | Flamsteed name | 21 Cyg | FK5 | 1521 | ||||
Distance | 41.37 | Distance ly | 134.95 | Bayer greek | η Cyg |