HD 60584

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

HD 60584, also known as HR 2909 or n Puppis A, is the primary star of the n Puppis system. 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.

The HD 60584 planetary system
Companion (in order from star)	Mass	Semimajor axis (AU)	Orbital period (days)	Eccentricity	Inclination (°)	Radius
b	28.0±9.0 `M`_J	16.58±0.15	—	0.0312+0.0071 −0.0073	—	—

References

1 2 3 "HR2909". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2025-10-07.
1 2 3 4 5 "VizieR Detailed Page". Archived from the original on 2016-03-05. Retrieved 2012-07-13.
↑ Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
↑ 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.
↑ "exoplanet.eu". Retrieved 2025-10-07.

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[SIMBAD-1] 1 2 3 "HR2909". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2025-10-07.

[DATA-2] 1 2 3 4 5 "VizieR Detailed Page". Archived from the original on 2016-03-05. Retrieved 2012-07-13.

[dr3-3] Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.

[Bonavita2022-4] 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.

[eu-5] "exoplanet.eu". Retrieved 2025-10-07.