 Constellation where Kepler-1638 is located | |
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Cygnus[1] |
| Right ascension | 19h 41m 55.76712s[2] |
| Declination | +48° 31′ 27.9998″[2] |
| Apparent magnitude (V) | 14.769±0.206[3] |
| Characteristics | |
| Evolutionary stage | main sequence star |
| Spectral type | G4V[citation needed] |
| Apparent magnitude (J) | 13.550±0.023[4] |
| Apparent magnitude (H) | 13.204±0.024[4] |
| Apparent magnitude (K) | 13.138±0.035[4] |
| Variable type | Planetary transit,[3] rotationally variable[4] |
| Astrometry | |
| Proper motion (μ) | RA: −5.092 mas/yr[2] Dec.: +5.839 mas/yr[2] |
| Parallax (π) | 0.6462 ± 0.0165 mas[2] |
| Distance | 5,000 ± 100 ly (1,550 ± 40 pc) |
| Details[3] | |
| Mass | 0.9700+0.0490 −0.0590 M☉ |
| Radius | 0.9500+0.1660 −0.0790 R☉ |
| Temperature | 5710.0+96.696 −111.431 K |
| Metallicity [Fe/H] | −0.0100+0.1410 −0.1880 dex |
| Age | 4.37+4.19 −2.59 Gyr |
| Other designations | |
KOI-5856, KIC 11037818, 2MASS J19415577+4831280[4] | |
| Database references | |
| SIMBAD | data |
Kepler-1638 is a G-type main-sequence star located about 5,000 light years away in the constellation of Cygnus.[1] One known exoplanet has been found orbiting the star: Kepler-1638b.[5][6][7][8]As of January 2021, Kepler-1638 is the farthest star with a known exoplanet orbiting in the habitable zone.[9]
- ^ a b Staff (2 August 2008). "Finding the constellation which contains given sky coordinates". DJM.cc. Retrieved 16 July 2020.
- ^ a b c d Cite error: The named reference
GaiaDR3was invoked but never defined (see the help page). - ^ a b c Cite error: The named reference
NASAExoplanetArchivewas invoked but never defined (see the help page). - ^ a b c d e Cite error: The named reference
SIMBADwas invoked but never defined (see the help page). - ^ Burgess, Matt (11 May 2016). "Nasa's Kepler telescope just found 1,284 exoplanets". Wired UK. ISSN 1357-0978. Retrieved 22 January 2021.
- ^ "Exoplanet-catalog". Exoplanet Exploration: Planets Beyond our Solar System. Retrieved 22 January 2021.
- ^ May 2016, Mike Wall 11 (11 May 2016). "1st Alien Earth Still Elusive Despite Huge Exoplanet Haul". Space.com. Retrieved 22 January 2021.
{{cite web}}: CS1 maint: numeric names: authors list (link) - ^ Cite error: The named reference
Morton2016was invoked but never defined (see the help page). - ^ "The Habitable Exoplanets Catalog - Planetary Habitability Laboratory @ UPR Arecibo". phl.upr.edu. Retrieved 21 January 2021.