HD 60584

Last updated
HD 60584
Observation data
Epoch J2000.0        Equinox J2000.0
Constellation Puppis
Right ascension 07h 34m 18.6s [1]
Declination −23° 28′ 25″ [1]
Apparent magnitude  (V)5.83 [2]
Characteristics
Spectral type F4 [2]
U−B color index 0.03 [2]
B−V color index 0.44 [2]
Other designations
n Puppis A, 111 G. Puppis, CD−23°5709, SAO 174019, HD 60584, HR 2909 [1]
Database references
SIMBAD data

HD 60584, also known as HR 2909 or n Puppis A, is the primary star of the n Puppis system. [2] It has an apparent magnitude of 5.83 and forms a binary star system with HD 60585, another F-type main sequence star.

A brown dwarf companion was discovered in 2022 with the help of direct imaging. [3]

The HD 60584 planetary system [4]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b28.0±9.0  MJ 16.58±0.15—0.0312+0.0071
−0.0073		——

References

  1. 1 2 3 "HR2909". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2025-10-07.
  2. 1 2 3 4 5 "VizieR Detailed Page". Archived from the original on 2016-03-05. Retrieved 2012-07-13.
  3. ↑ Bonavita, M.; Fontanive, C.; et al. (July 2022). "Results from The COPAINS Pilot Survey: four new BDs and a high companion detection rate for accelerating stars". Monthly Notices of the Royal Astronomical Society . 513 (4): 5588–5605. arXiv: 2205.02213 . Bibcode:2022MNRAS.513.5588B. doi: 10.1093/mnras/stac1250 .
  4. ↑ "exoplanet.eu" . Retrieved 2025-10-07.


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