FANDOM


HD 196885 Ab
Extrasolar planet List of extrasolar planets
Parent star

<tr> <td colspan="2">Star</td> <td>HD 196885 A</td></tr><tr> <td colspan="2">Constellation</td> <td>Delphinus</td></tr><tr> <td>Right ascension</td> <td style="text-align: center">(α)</td> <td>20h 39m 51.8756s</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>+11° 14′ 58.737″</td></tr><tr><td colspan="2">Distance</td><td>112 ly
(34.3 pc)</td></tr><tr><td colspan="2">Spectral type</td> <td>F8IV</td></tr>

Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>2.30 AU</td></tr><tr> <td>Periastron</td> <td style="text-align: center">(q)</td> <td>1.24 AU</td></tr><tr> <td>Apastron</td> <td style="text-align: center">(Q)</td> <td>3.36 AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.462</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>1349 d
(3.693 y)</td></tr><tr> <td>Orbital speed</td> <td style="text-align: center">(υ)</td> <td>18.6 km/s</td></tr><tr> <td>Argument of
periastron
</td> <td style="text-align: center">(ω)</td> <td>91.4°</td></tr><tr> <td>Time of periastron</td> <td style="text-align: center">(T0)</td> <td>2451236 JD</td></tr><tr> <td>Semi-amplitude</td> <td style="text-align: center">(K)</td> <td>39.5 m/s</td></tr>

Physical characteristics

<tr><td>Minimum mass</td><td style="text-align: center">(m sin i)</td><td>2.96 MJ
(941 M)</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>October 23, 2007</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Correia et al.</td></tr><tr> <td colspan="2">Discovery method</td> <td>Doppler spectroscopy
(Swiss telescope)</td></tr><tr> <td colspan="2">Discovery site</td> <td>La Silla Observatory</td></tr><tr> <td colspan="2">Discovery status</td> <td>Published</td></tr>

Other designations
HIP 101966 b

<tr style="background-color: #A0B0FF;"><td align=center colspan=3>Database references</td></tr><tr valign=baseline><td colspan=2>Extrasolar Planets
Encyclopaedia
</td><td>data</td></tr><tr><td colspan=2>SIMBAD</td><td>data</td></tr>

HD 196885 Ab (also referred to as HD 196885 b) is a jovian planet with at least 2.96 times the mass of Jupiter.[1][2] This planet was discovered on October 23, 2007.

References Edit

  1. Correia, A. C. M.; Udry, S.; Mayor, M.; Eggenberger, A.; Naef, D.; Beuzit, J.-L.; Perrier, C.; Queloz, D.; Sivan, J.-P.; Pepe, F.; Santos, N. C.; Ségransan, D. (2008). The ELODIE survey for northern extra-solar planets. IV. HD 196885, a close binary star with a 3.7-year planet. Astronomy and Astrophysics 479 (1): 271–275.
  2. Schneider, J.. Notes for star HD 196885. The Extrasolar Planets Encyclopaedia. Retrieved 2008-08-19.

External links Edit

Coordinates: Sky map 20h 39m 51.8756s, +11° 14′ 58.737″


de:HD 196885 Ab

Ad blocker interference detected!


Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.