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an open source database of all discovered extrasolar planets

NSVS 14256825

The planetary system NSVS 14256825 hosts at least 2 planets. Note that the system is a multiple star system. It hosts at least 2 stellar components.

  System parameters
Primary system name NSVS 14256825
Alternative system names 2MASS J20200045+0437564
Right ascension 20 20 00
Declination +04 37 56
Distance [parsec] 570edit
Distance [lightyears] 1859
Number of stars in system 2
Number of planets in system 2

ArchitectureArchitecture of the system

This list shows all planetary and stellar components in the system. It gives a quick overview of the hierarchical architecture.

  •  Stellar binary, 3.02 ·10-4 years
    •  NSVS 14256825 A, stellar object
      •  NSVS 14256825 B, stellar object
        •  NSVS 14256825 c, circumbinary planet, P-type, semi-major axis: 1.900 AU
          •  NSVS 14256825 d, circumbinary planet, P-type, semi-major axis: 2.90 AU

          PlanetsPlanets in the system

          This table lists all planets in the system NSVS 14256825.

            NSVS 14256825 c NSVS 14256825 d
          Alternative planet names N/A N/A
          Description NSVS 14256825 is an HW Vir type binary which consists of a hot subdwarf and a main-sequence low-mass star in a close orbit.edit NSVS 14256825 is an HW Vir type binary which consists of a hot subdwarf and a main-sequence low-mass star in a close orbit.edit
          Lists Controversial; Planets in binary systems, P-type
          Mass [Mjup] 2.80edit 8.00edit
          Mass [Mearth] 890 2543
          Radius [Rjup] N/A N/A
          Radius [Rearth] N/A N/A
          Orbital period [days] 1276edit 2506edit
          Semi-major axis [AU] 1.900edit 2.90edit
          Eccentricity 0.00edit 0.520edit
          Equilibrium temperature [K] N/A N/A
          Discovery method timing
          Discovery year 2012
          Last updated [yy/mm/dd] 12/11/12

          starStars in the system

          This table lists all stars in the system NSVS 14256825.

            NSVS 14256825 A NSVS 14256825 B
          Alternative star names N/A N/A
          Mass [MSun] 0.419edit 0.1090edit
          Radius [RSun] 0.1900edit 0.1510edit
          Age [Gyr] N/A N/A
          Metallicity [Fe/H] N/A N/A
          Temperature [K] N/A N/A
          Spectral type N/A N/A
          Visual magnitude N/A N/A

          Planet sizes

          The following plot shows the approximate sizes of the planets in this system The Solar System planets are shown as a comparison. Note that unless the radius has been determined through a transit observation, this is only an approximation (see Lissauer et al. 2011b).

          PlutoMercuryMarsVenusEarthNeptuneUranusSaturnJupiterNSVS 14256825 cNSVS 14256825 d

          referencesScientific references and contributors

          Links to scientific papers and other data sources

          history http://cdsads.u-strasbg.fr/abs/2013MNRAS.431.2150W
          history http://www.konkoly.hu/cgi-bin/IBVSpdf?5800

          This table lists all links which are relevant to this particular system. Note that this is just a summary. More references to the scientific publications and comments can be found in the commit messages. To see these, head over the github or click here to directly go to the git blame output of this system. In the left column of the output you can see the commit message corresponding to each parameter. It also lists the date of the last commit and the person making the changes. Within the commit message, you will find a link to the scientific publication where the data is taken from. Note that this is a new feature and not all system parameters might have a reference associated with it yet. Please help making this catalogue better and contribute data or references!

          Open Exoplanet Catalogue contributors

          Contributor E-mail Number of commits
          Andrew Tribick ajtribick(at)googlemail.com 1
          Hanno Rein hanno(at)hanno-rein.de 9
          Marc-Antoine Martinod marc-antoine.martinod(at)ens-cachan.fr 1

          This table lists all people who have contributed to the Open Exoplanet Catalogue. Please consider contributing! Click here to find out how. You can also view all commits contributing to this file on github.

          xmlData download

          You can download the xml file corresponding to this planetary system, which is part of the Open Exoplanet Catalogue. All information on this page has been directly generated from this XML file. You can also download the entire catalogue over at github. If you prefer to download the dataset as an ASCII tables, you might find the oec_tables repository usefule.

          correctionsCorrections

          If you spot an error or if you can contribute additional data to this entry, please send an e-mail to exoplanet@hanno-rein.de. Please include the corrected xml file and a reference to where the new data is coming from, ideally a scientific paper. If you are fluent with git and github, you can also create a pull request or open an issue on the Open Exoplanet Catalogue repository. Please include the reference to the relevant scientific paper in your commit message.