Coord 2000 | 21069+3845 |
Discov num | STF2758 |
Comp | AB |
Coord arcsec 2000 | 21 06 53.95 +38 44 57.9 |
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Date first | 1753 |
Date last | 2019 |
Obs | 1804 |
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Pa first | 35 |
Pa last | 153 |
P.A. Now (θ) | 153.5° |
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Sep first | 19.6 |
Sep last | 31.8 |
Sep. Now (ρ) | 31.87" |
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Mag pri | 5.20 |
Mag sec | 6.05 |
delta mag (ΔM) | 0.85 |
Spectral class | K5V+K7V (yellow-orange/yellow-orange) |
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Pri motion ra | +417 |
Sec motion ra | +412 |
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Pri motion dec | +326 |
Sec motion dec | +313 |
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Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 61 Cyg | 70919 | 21 06 54 +38 44 58 | STF 2758 AB | 2019 | 1804 | 154 | 31.9 | 5.20 | 6.05 | 0.85 | Y | <=== |
Show | 70919 | 21 06 54 +38 44 58 | STF 2758 AC | 2016 | 6 | 219 | 839.8 | 5.35 | 10.23 | 4.88 | |||
Show | 70919 | 21 06 54 +38 44 58 | STF 2758 AD | 2016 | 4 | 250 | 748.0 | 5.35 | 10.45 | 5.10 | |||
Show | 70919 | 21 06 54 +38 44 58 | STF 2758 AE | 2016 | 12 | 267 | 340.8 | 5.35 | 9.63 | 4.28 | |||
Show | 70919 | 21 06 54 +38 44 58 | STF 2758 AF | 2016 | 10 | 240 | 371.2 | 5.35 | 11.30 | 5.95 | |||
Show | 70919 | 21 06 54 +38 44 58 | STF 2758 AG | 2016 | 13 | 236 | 260.4 | 5.35 | 11.30 | 5.95 | |||
Show | 70919 | 21 06 54 +38 44 58 | STF 2758 AH | 2018 | 32 | 267 | 121.8 | 5.35 | 9.97 | 4.62 | |||
Show | 70919 | 21 06 54 +38 44 58 | SMR 1 AI | 2018 | 14 | 237 | 33.7 | 5.35 | 10.74 | 5.39 | |||
Show | 70919 | 21 06 54 +38 44 58 | HZE 4 AJ | 2015 | 3 | 241 | 17.5 | 2.25 | 12.43 | 10.18 | |||
Show | 70919 | 21 06 54 +38 44 58 | HZE 4 AK | 2006 | 1 | 83 | 7.8 | 2.25 | 13.05 | 10.80 | |||
Show | 70919 | 21 06 54 +38 44 58 | SMR 40 AO | 2018 | 10 | 280 | 162.5 | 5.35 | 12.65 | 7.30 | |||
Show | 70919 | 21 06 54 +38 44 58 | SMR 40 AP | 2018 | 9 | 289 | 154.7 | 5.35 | 12.84 | 7.49 | |||
Show | 70919 | 21 06 54 +38 44 58 | SMR 40 AQ | 2018 | 5 | 307 | 71.0 | 5.35 | 13.19 | 7.84 | |||
Show | 70919 | 21 06 55 +38 44 32 | STF 2758 BC | 2016 | 6 | 221 | 827.6 | 6.05 | 10.03 | 3.98 | |||
Show | 70919 | 21 06 55 +38 44 32 | HZE 4 BL | 2006 | 1 | 145 | 9.9 | 2.74 | 14.04 | 11.30 | |||
Show | 70919 | 21 06 55 +38 44 32 | FYM 106 BM | 2016 | 3 | 238 | 100.7 | 6.05 | 14.30 | 8.25 | |||
Show | 70919 | 21 06 55 +38 44 32 | FYM 106 BN | 2016 | 3 | 152 | 48.3 | 6.05 | 14.40 | 8.35 | |||
Show | 70919 | 21 06 55 +38 44 32 | TNN 15 BR | 2005 | 1 | 77 | 11.5 | 2.54 | 14.80 | 12.26 |
Precise pa | 153 |
Precise sep | 31.85 |
Name | 61 Cyg |
Var name | V1803 Cyg |
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Constellation | Cygnus |
SAO | 70919 |
HIP | 104214 |
Tycho2 | 3168-02800-1 |
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Gaia DR2 | 1872047227813442688 |
HD | 201091 |
HR | 8085 |
GC | 29509 |
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ADS | 14636 |
GL | Gl 820A |
BD | BD+38 4343 |
Flamsteed | 61 Cygni |
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Flamsteed name | 61 Cyg |
Distance | 3.49 |
Distance ly | 11.38 |
last precise pa | 153 |
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last precise sep | 31.85 |
Period (P) | 618.6911y | ± 319.9833 | Periastron (T) | 1699.2787y | ± 54.8686 | Semi-major axis (a) | 25.24738a | ± 4.33528 |
Eccentricity (e) | 0.54169 | ± 0.28094 | Inclination (i) | 56.299° | ± 4.786 | Longitude of periastron (ω) | 313.932° | ± 35.266 |
Node (Ω) | 1.251° | ± 15.773 | Note | Grade | 4 | (1=Definitive, 9=Indet.) | ||
Equinox | Last observation | 2015 |
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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 |
21069+3845 | STF2758 | AB | 2007 | 1620 | 151 | 31.1 | 5.20 | 6.05 | K5V K7V | NODP | 210653.94+384457.8 |
21069+3845 | STF2758 | AB | 2008 | 1621 | 151 | 31.0 | 5.20 | 6.05 | K5V K7V | NODP | 210653.94+384457.8 |
21069+3845 | STF2758 | AB | 2010 | 1642 | 154 | 31.1 | 5.20 | 6.05 | K5V K7V | NODP | 210653.94+384457.8 |
21069+3845 | STF2758 | AB | 2011 | 1647 | 151 | 31.9 | 5.20 | 6.05 | K5V K7V | NODP | 210653.94+384457.8 |
21069+3845 | STF2758 | AB | 2012 | 1652 | 152 | 31.4 | 5.35 | 6.10 | K5V K7V | NODP | 210653.94+384457.8 |
21069+3845 | STF2758 | AB | 2013 | 1666 | 152 | 31.5 | 5.20 | 6.05 | K5V K7V | NODP | 210653.95+384457.9 |
21069+3845 | STF2758 | AB | 2014 | 1668 | 152 | 31.5 | 5.20 | 6.05 | K5V K7V | NODP | 210653.95+384457.9 |
21069+3845 | STF2758 | AB | 2015 | 1672 | 153 | 31.4 | 5.20 | 6.05 | K5V+K7V | NO P | 210653.95+384457.9 |
21069+3845 | STF2758 | AB | 2016 | 1734 | 152 | 31.4 | 5.20 | 6.05 | K5V+K7V | NO P | 210653.95+384457.9 |
21069+3845 | STF2758 | AB | 2017 | 1736 | 153 | 31.7 | 5.20 | 6.05 | K5V+K7V | NO P | 210653.95+384457.9 |
21069+3845 | STF2758 | AB | 2018 | 1741 | 154 | 31.8 | 5.20 | 6.05 | K5V+K7V | NO P | 210653.95+384457.9 |
21069+3845 | STF2758 | AB | 2019 | 1794 | 153 | 31.8 | 5.20 | 6.05 | K5V+K7V | NO P | 210653.95+384457.9 |