Kepler-48

Last updated
Kepler-48
Observation data
Epoch J2000       Equinox J2000
Constellation Cygnus
Right ascension 19h 56m 33.416s [1]
Declination +40° 56′ 56.50″ [1]
Apparent magnitude  (V)13.174±0.103[ citation needed ]
Characteristics
Evolutionary stage Main sequence
Spectral type K0V [2]
Astrometry
Radial velocity (Rv)−13.34±2.12 [1] km/s
Proper motion (μ)RA: 13.215(12) mas/yr [1]
Dec.: −20.410(15) mas/yr [1]
Parallax (π)3.2283±0.0116  mas [1]
Distance 1,010 ± 4  ly
(310 ± 1  pc)
Absolute magnitude  (MV)11.292±0.026[ citation needed ]
Details [3]
Kepler-48
Mass 0.916 [4]   M☉
Radius 0.897 [5]   R☉
Luminosity 0.5137  L☉
Surface gravity (log g)4.47363 [5]   cgs
Temperature 5160 [5]   K
Metallicity [Fe/H]0.2±0.1  dex
Rotational velocity (v sin i)0.5 [6]  km/s
Age 3.14 [6]   Gyr
Other designations
Kepler-48, KOI-148, KIC 5735762, 2MASS J19563341+4056564 [2]
Database references
SIMBAD data
Exoplanet Archive data
KIC data

Kepler-48, previously designated KOI-148, is a star in the constellation of Cygnus.

Planetary System

The Kepler-48 planetary system [5]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b6.8±2.9  M🜨 0.0544.78——1.85±0.09  R🜨
c11.1±3.2  M🜨 0.0869.67——2.56±0.07  R🜨
d9±6  M🜨 0.2342.9——1.98±0.07  R🜨
e2.16±0.07  MJ 1.910010.003±0.028——
f0.93±0.29  MJ 5.752050.01±0.15——

References

  1. 1 2 3 4 5 6 Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv: 2208.00211 . Bibcode:2023A&A...674A...1G. doi: 10.1051/0004-6361/202243940 . S2CID   244398875. Gaia DR3 record for this source at VizieR.
  2. 1 2 "Kepler-48". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 13 March 2025.
  3. ↑ "Kepler-48 Overview". NASA Exoplanet Archive.
  4. ↑ Weiss, Lauren M.; Isaacson, Howard; Howard, Andrew W.; Fulton, Benjamin J.; Petigura, Erik A.; Fabrycky, Daniel; Jontof-Hutter, Daniel; Steffen, Jason H.; Schlichting, Hilke E.; Wright, Jason T.; Beard, Corey; Brinkman, Casey L.; Chontos, Ashley; Giacalone, Steven; Hill, Michelle L.; Kosiarek, Molly R.; MacDougall, Mason G.; Močnik, Teo; Polanski, Alex S.; Turtelboom, Emma V.; Tyler, Dakotah; Van Zandt, Judah (1 January 2024). "The Kepler Giant Planet Search. I. A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory". The Astrophysical Journal Supplement Series. 270 (1): 8. arXiv: 2304.00071 . Bibcode:2024ApJS..270....8W. doi: 10.3847/1538-4365/ad0cab . ISSN   0067-0049.
  5. 1 2 3 4 Stassun, Keivan G.; Oelkers, Ryan J.; Paegert, Martin; Torres, Guillermo; Pepper, Joshua; Lee, Nathan De; Collins, Kevin; Latham, David W.; Muirhead, Philip S.; Chittidi, Jay; Rojas-Ayala, Bárbara; Fleming, Scott W.; Rose, Mark E.; Tenenbaum, Peter; Ting, Eric B.; Kane, Stephen R.; Barclay, Thomas; Bean, Jacob L.; Brassuer, C. E.; Charbonneau, David; Ge, Jian; Lissauer, Jack J.; Mann, Andrew W.; McLean, Brian; Mullally, Susan; Narita, Norio; Plavchan, Peter; Ricker, George R.; Sasselov, Dimitar; Seager, S.; Sharma, Sanjib; Shiao, Bernie; Sozzetti, Alessandro; Stello, Dennis; Vanderspek, Roland; Wallace, Geoff; Winn, Joshua N. (1 October 2019). "The Revised TESS Input Catalog and Candidate Target List". The Astronomical Journal. 158 (4): 138. arXiv: 1905.10694 . Bibcode:2019AJ....158..138S. doi: 10.3847/1538-3881/ab3467 .
  6. 1 2 Marcy, Geoffrey W.; et al. (13 January 2014). "MASSES, RADII, AND ORBITS OF SMALL KEPLER PLANETS: THE TRANSITION FROM GASEOUS TO ROCKY PLANETS". The Astrophysical Journal Supplement Series. 210 (2): 20. arXiv: 1401.4195 . Bibcode:2014ApJS..210...20M. doi:10.1088/0067-0049/210/2/20.
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