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an open source database of all discovered extrasolar planets

NN Ser

The planetary system NN Ser 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 NN Ser
Alternative system names NN Serpentis
Right ascension 15 52 56
Declination +12 54 47
Distance [parsec] 500edit
Distance [lightyears] 1631
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, 3.65 ·10-4 years
    •  NN Ser A, stellar object
      •  NN Ser B, stellar object
        •  NN Ser (AB) c, circumbinary planet, P-type, semi-major axis: 5.39±0.04 AU
          •  NN Ser (AB) d, circumbinary planet, P-type, semi-major axis: 3.36±0.03 AU

          PlanetsPlanets in the system

          This table lists all planets in the system NN Ser.

            NN Ser (AB) c NN Ser (AB) d
          Alternative planet names NN Ser c, NN Serpentis (AB) c NN Ser d, NN Serpentis (AB) d
          Description NN Ser AB is a short-period eclipsing binary. The system hosts a white dwarf, a red dwarf and two planets.edit NN Ser AB is a short-period eclipsing binary. The system hosts a white dwarf, a red dwarf and two planets.edit
          Lists Confirmed planets; Planets in binary systems, P-type
          Mass [Mjup] 6.96±0.12edit 1.74±0.09edit
          Mass [Mearth] 2213±38 553±29
          Radius [Rjup] N/A N/A
          Radius [Rearth] N/A N/A
          Orbital period [days] 5655±10edit 2793±21edit
          Semi-major axis [AU] 5.39±0.04edit 3.36±0.03edit
          Eccentricity 0.142±0.011edit 0.223±0.019edit
          Equilibrium temperature [K] N/A N/A
          Discovery method timing
          Discovery year 2010 2009
          Last updated [yy/mm/dd] 13/06/20

          starStars in the system

          This table lists all stars in the system NN Ser.

            NN Ser A NN Ser B
          Alternative star names N/A N/A
          Mass [MSun] 0.535edit 0.1110edit
          Radius [RSun] N/A N/A
          Age [Gyr] N/A N/A
          Metallicity [Fe/H] N/A N/A
          Temperature [K] 57000edit N/A
          Spectral type DAO1 M4
          Visual magnitude 16.60edit 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).

          PlutoMercuryMarsVenusEarthNeptuneUranusSaturnJupiterNN Ser (AB) cNN Ser (AB) d

          referencesScientific references and contributors

          Links to scientific papers and other data sources

          history http://arxiv.org/abs/1305.6494

          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
          Hanno Rein hanno(at)hanno-rein.de 5
          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.