HIP 65426 b

HIP 65426 b / Najsakopajk
HIP 65426 b is on the lower left of the image, with the circle representing what Neptune's orbit would look like around the star HIP 65426, represented by a small cross.
Discovery[1]
Discovered bySPHERE consortium[2]
Discovery date6 July 2017
Direct imaging
Designations
Najsakopajk[3]
Orbital characteristics
87+108
−31 au[4]
Inclination100+15
−6 deg[4]
Physical characteristics
Atmospheric model:
0.92±0.04 RJ[4]
Evolutionary model:
1.45±0.03 RJ[4]
Mass7.1±1.1 MJ[4]
4.07±0.19 dex
TemperatureAtmospheric model:
1667+25
−24 K[4]

1560±100 K[5]

Evolutionary model:
1282+26
−31 K[4]

HIP 65426 b, formally named Najsakopajk,[3] is a super-Jupiter exoplanet orbiting the star HIP 65426. It was discovered on 6 July 2017 by the SPHERE consortium using the Spectro-Polarimetric High-Contrast Exoplanet Research (SPHERE) instrument belonging to the European Southern Observatory (ESO).[6][7] It is 385 light-years from Earth.[8] It is the first planet discovered by ESO's SPHERE instrument.[9]

  1. ^ Cite error: The named reference Chauvin2017 was invoked but never defined (see the help page).
  2. ^ "Odd planetary system around fast-spinning star doesn't quite fit existing models of planet formation". www.sphere.osug.fr. Retrieved 2017-07-06.
  3. ^ a b Cite error: The named reference NEW2022 was invoked but never defined (see the help page).
  4. ^ a b c d e f g Cite error: The named reference Carter et al was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Petrus2020 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Independent was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference scinews was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference nasa was invoked but never defined (see the help page).
  9. ^ "ESO's SPHERE Unveils its First Exoplanet". www.eso.org. Retrieved 2017-07-07.