Nu2 Canis Majoris b
Extrasolar planet List of extrasolar planets
Parent star

<tr> <td colspan="2">Star</td> <td>Nu2 Canis Majoris</td></tr><tr> <td colspan="2">Constellation</td> <td>Canis Majoris</td></tr><tr> <td>Right ascension</td> <td style="text-align: center">(α)</td> <td>06h 36m 41.04s</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>−19° 15′ 21.2″</td></tr><tr><td colspan="2">Distance</td><td>64.71 ± 0.88 ly
(19.84 ± 0.27 pc)</td></tr><tr><td colspan="2">Spectral type</td> <td>K1III</td></tr>

Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>1.9 ± 0.1 AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.14 ± 0.06</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>763 ± 17 d</td></tr><tr> <td>Argument of
</td> <td style="text-align: center">(ω)</td> <td>12 ± 41°</td></tr><tr> <td>Time of periastron</td> <td style="text-align: center">(T0)</td> <td>2455520 ± 89 JD</td></tr>

Physical characteristics

<tr><td>Minimum mass</td><td style="text-align: center">(m sin i)</td><td>2.6 ± 0.6 MJ</td></tr><tr> <td>Temperature</td> <td style="text-align: center">(T)</td> <td>232 K</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>December 2011</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Wittenmyer, Robert A</td></tr><tr> <td colspan="2">Discovery method</td> <td>Radial Velocity</td></tr><tr> <td colspan="2">Discovery status</td> <td>Published</td></tr>

Other designations
HR 2429 b, GJ 239.1 b, GJ 9214 b, HD 47205 b, SAO 151702 b, 2MASS J06364103-1915210 b, TYC 5956-02621-1 b, IRAS 06345-1912 b, SD-19 1502 b, BD-19 1502 b, CPD-19 1369 b, HIP 31592 b

Nu2 Canis Majoris b, (7 CMa b) is a water cloud jovian extrasolar planet orbiting the star Nu2 Canis Majoris, approximately 64.71lys away in the constellation of Canis Major. The planet is thought to be inside the habitable zone with an orbit around its parent star of 1.9AU. It was discovered in 2011 from discoverer Wittenmyer, R. by radial velocity.

External linksEdit

  • California Institute of Technology. 7 CMa b. Retrieved 25 January 2014.
  • Extrasolar Planets Encyclopaedia. 7 CMa b. Retrieved 25 January 2014.
  • Exoplanet Orbit Database. Exoplanets - Detail View. Retrieved 25 January 2014.


Coordinates: Sky map 06h 36m 41.04s, −19° 15′ 21.2″

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