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16 Cygni
16 Cygni
Data pengamatan
Epos J2000.0 Ekuinoks J2000.0
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| Rasi bintang
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Cygnus
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| 16 Cygni A
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| Asensio rekta
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19j 41m 48.95d[1]
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| Deklinasi
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+50° 31′ 30.2″[1]
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| Magnitudo semu (V)
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5.96
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| 16 Cygni B
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| Asensio rekta
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19j 41m 51.97d[1]
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| Deklinasi
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+50° 31′ 03.1″[1]
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| Magnitudo semu (V)
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6.20
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| Ciri-ciri
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| Kelas spektrum
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G1.5Vb / G2.5Vb / M?V
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| Indeks warna U−B
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0.19 / 0.20
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| Indeks warna B−V
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0.64 / 0.66
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| Jenis variabel
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None
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| Astrometri |
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| 16 Cyg A |
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| Gerak diri (μ) | RA: −148,299±0,063[2] mdb/thn
Dek.: −158,961±0,070[2] mdb/thn | | Paralaks (π) | 47,2771±0,0327[2] mdb | | Jarak | 68,99 ± 0,05 tc
(21,15 ± 0,01 pc) | | Magnitudo mutlak (MV) | 4.29 | | 16 Cyg B |
|---|
| Gerak diri (μ) | RA: −134,791±0,049[3] mdb/thn
Dec.: −162,493±0,045[3] mdb/thn | | Paralaks (π) | 47,2771±0,0327[3] mdb | | Jarak | 68,99 ± 0,04 tc
(21,15 ± 0,01 pc) | | Magnitudo mutlak (MV) | 4.53 |
| Detail |
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| 16 Cyg A |
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| Massa | 1,08±0,02[4] M☉ | | Radius | 1,229±0,008[4] R☉ | | Luminositas | 1,55±0,07[4] L☉ | | Gravitasi permukaan (log g) | 4,292±0,003[4] | | Suhu | 5,830 ± 11[5] K | | Metalisitas [Fe/H] | 0.101 ± 0.008[5] | | Rotasi | 23.8+1.5−1.8 d[6] | | Kecepatan rotasi (v sin i) | 2.23 ± 0.07[6] km/s | | Usia | 7,07±0,26[4] gigatahun | | 16 Cyg B |
|---|
| Massa | 1,04±0,02[4] M☉ | | Radius | 1,116±0,006[4] R☉ | | Luminositas | 1,25±0,05[4] L☉ | | Gravitasi permukaan (log g) | 4,359±0,002[4] | | Suhu | 5,751 ± 11[5] K | | Metalisitas [Fe/H] | 0.054 ± 0.008[5] | | Rotasi | 23.2+11.5−3.2 d[6] | | Kecepatan rotasi (v sin i) | 1.35 ± 0.08[6] km/s | | Usia | 6,74±0,24[4] gigatahun |
| Penamaan lain |
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16 Cygni ABD+50 2847, GCTP 4634.00, GJ 765.1 A, HD 186408, HIP 96895, HR 7503, LTT 15750, SAO 31898, Struve 4046A 16 Cygni BBD+50 2848, GJ 765.1 B, HD 186427, HIP 96901, HR 7504, LTT 15751, SAO 31899, Struve 4046B, KIC 12069449 |
| Referensi basis data |
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| SIMBAD | data | | A data2 | | B data3 | Extrasolar Planets
Encyclopaedia | data |
16 Cygni atau 16 Cyg adalah sebutan untuk sistem tiga bintang yang berjarak sekitar 69 tahun cahaya dari Bumi di konstelasi Cygnus. Sistem ini memiliki 2 bintang kuning kecil yang memiliki kemiripan dengan Matahari, yaitu 16 Cygni A dan Cygni B, dengan bintang katai merah, 16 Cygni C.
Referensi
- ^ a b c d van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752
 . Bibcode:2007A&A...474..653V . doi:10.1051/0004-6361:20078357 . Vizier catalog entry for A Vizier catalog entry for B
- ^ a b c Brown, A. G. A.; et al. (kolaborasi Gaia) (Agustus 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365 . Bibcode:2018A&A...616A...1G . doi:10.1051/0004-6361/201833051 . Catatan Gaia DR2 untuk sumber tersebut di VizieR.
- ^ a b c Brown, A. G. A.; et al. (kolaborasi Gaia) (Agustus 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365 . Bibcode:2018A&A...616A...1G . doi:10.1051/0004-6361/201833051 . Catatan Gaia DR2 untuk sumber tersebut di VizieR.
- ^ a b c d e f g h i j Metcalfe, Travis S.; Creevey, Orlagh L.; Davies, Guy R. (2015). "Asteroseismic Modeling of 16 Cyg A & B using the Complete Kepler Data Set". The Astrophysical Journal Letters. 811 (2). L37. arXiv:1508.00946 . Bibcode:2015ApJ...811L..37M . doi:10.1088/2041-8205/811/2/L37 .
- ^ a b c d Tucci Maia, Marcelo; Meléndez, Jorge; Ramírez, Iván (2014). "High Precision Abundances in the 16 Cyg Binary System: A Signature of the Rocky Core in the Giant Planet". The Astrophysical Journal. 790 (2): L25. arXiv:1407.4132 . Bibcode:2014ApJ...790L..25T. doi:10.1088/2041-8205/790/2/L25.
- ^ a b c d Davies, G. R; Chaplin, W. J; Farr, W. M; García, R. A; Lund, M. N; Mathis, S; Metcalfe, T. S; Appourchaux, T; Basu, S; Benomar, O; Campante, T. L; Ceillier, T; Elsworth, Y; Handberg, R; Salabert, D; Stello, D (2015). "Asteroseismic inference on rotation, gyrochronology and planetary system dynamics of 16 Cygni". Monthly Notices of the Royal Astronomical Society. 446 (3): 2959. arXiv:1411.1359 . Bibcode:2015MNRAS.446.2959D. doi:10.1093/mnras/stu2331.
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