Kepler-26
Kepler-26 is ’n K-tipe ster in die noordelike sterrebeeld Lier. Dit is geleë by regte klimming 18h 59m 45.839s en deklinasie +46° 33′ 59.54″.[5] Met ’n skynbare magnitude van 15,5[4] is die ster te dof om met die blote oog te sien.
Kepler-26 | ||||
Sterrebeeld | Lier[1] | |||
Spektraaltipe | K[2] | |||
Soort | Hoofreeksster | |||
Waarnemingsdata (Epog J2000) | ||||
Regte klimming | 18h 59m 45.8407s[3] | |||
Deklinasie | +46° 33′ 59.438″[3] | |||
Skynmagnitude (m) | 15,473[4] | |||
Besonderhede | ||||
Massa (M☉) | 0,65[4] | |||
Radius (R☉) | 0,59[4] | |||
Ligsterkte (L☉) | 0,1[4] | |||
Temperatuur (K) | 4 500[4] | |||
Rotasiespoed (km/s) | 1,9[4] | |||
Metaalinhoud [Fe/H] | -0,21[4] | |||
Ander name | ||||
KOI-250, KIC 9757613, 2MASS J18594583+4633595 | ||||
|
Planeet of skyf (vanaf ster) |
Massa | Halwe lengteas (AE) |
Wentelperiode (dae) |
Eksentrisiteit | Baanhelling (°) |
Radius |
---|---|---|---|---|---|---|
d | — | 0,039 | 3,543919 | — | — | 1,07 R⊕ |
b | 0,38 MJ | 0,085 | 12,2829 | — | — | 3,59 R⊕ |
c | 0,38 MJ | 0,107 | 17,2513 | — | — | 3,58 R⊕ |
e | — | 0,22 | 46,827915 | — | — | 2,41 R⊕ |
Verwysings
wysig- ↑ "Lyra – constellation boundary", The Constellations, International Astronomical Union, http://www.iau.org/public/constellations/#lyr, besoek op 2011-12-15
- ↑ 2,0 2,1 Schneider, Jean, "Star: Kepler-24", Extrasolar Planets Encyclopaedia (Paris Observatory), archived from the original on 2012-05-05, https://web.archive.org/web/20120505102332/http://exoplanet.eu/star.php?st=Kepler-24, besoek op 2013-12-18
- ↑ 3,0 3,1 Gaia Data Release 2 Vizier catalog entry
- ↑ 4,0 4,1 4,2 4,3 4,4 4,5 4,6 4,7 Kepler-24b, Nasa Ames Research Center, archived from the original on 2017-03-31, https://web.archive.org/web/20170331023018/https://kepler.nasa.gov/Mission/discoveries/kepler24b/, besoek op 2011-12-06
- ↑ "Kepler Discoveries". 5 Desember 2011. Geargiveer vanaf die oorspronklike op 1 April 2017.
Eksterne skakels
wysig- Hierdie artikel is vertaal uit die Engelse Wikipedia