HD 40307 g

extrasolar planet
Place unconfirmed_exoplanet Q2349743
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HD 40307 g

Summary

HD 40307 g is an unconfirmed exoplanet[1]. It draws 89 Wikipedia views per month (unconfirmed_exoplanet category, ranking #4 of 19).[2]

Key Facts

  • HD 40307 g's instance of is recorded as unconfirmed exoplanet[3].
  • HD 40307 g's constellation is recorded as Pictor[4].
  • HD 40307 g's site of astronomical discovery is recorded as High Accuracy Radial Velocity Planet Searcher[5].
  • HD 40307 g's parent astronomical body is recorded as HD 40307[6].
  • HD 40307 g's catalog code is recorded as HD 40307g[7].
  • HD 40307 g's catalog code is recorded as TIC 374859347g[8].
  • HD 40307 g's time of discovery or invention is recorded as +2012-10-28T00:00:00Z[9].
  • HD 40307 g's time of discovery or invention is recorded as +2013-01-00T00:00:00Z[10].
  • HD 40307 g's Freebase ID is recorded as /m/0nd2qzq[11].
  • HD 40307 g's located in/on physical feature is recorded as circumstellar habitable zone[12].
  • HD 40307 g's discovery method is recorded as Doppler spectroscopy[13].
  • HD 40307 g's orbital eccentricity is recorded as {'amount': '+0.2205'}[14].
  • HD 40307 g's M sin i is recorded as {'unit': 'Q681996', 'amount': '+7.1'}[15].
  • HD 40307 g's mass is recorded as {'unit': 'Q651336', 'amount': '+0.0223'}[16].
  • HD 40307 g's orbital period is recorded as {'unit': 'Q573', 'amount': '+196.343'}[17].
  • HD 40307 g's parallax is recorded as {'unit': 'Q21500224', 'amount': '+77.2727'}[18].
  • HD 40307 g's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+0.6069'}[19].
  • HD 40307 g's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+91.7'}[20].
  • HD 40307 g's SIMBAD ID is recorded as HD 40307g[21].
  • HD 40307 g's Wolfram Language entity code is recorded as Entity["Exoplanet", "HD40307g"][22].
  • HD 40307 g's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as hd_40307_g--1221[23].
  • HD 40307 g's NASA Exoplanet Archive ID is recorded as HD 40307 g[24].
  • HD 40307 g's right ascension is recorded as {'unit': 'Q28390', 'amount': '+88.51767081413502'}[25].
  • HD 40307 g's declination is recorded as {'unit': 'Q28390', 'amount': '-60.02346992995805'}[26].
  • HD 40307 g's epoch is recorded as J2000.0[27].

Body

Designation and Status

HD 40307 g's instance of is recorded as unconfirmed exoplanet[3].

History and Context

Catalog codes include HD 40307g[7] and TIC 374859347g[8].

Why It Matters

HD 40307 g draws 89 Wikipedia views per month (unconfirmed_exoplanet category, ranking #4 of 19).[2] It has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[28] It is known by 4 alternative names across languages and contexts.[29]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . SIMBAD. wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . SIMBAD. wikidata.org.
  5. [7] . SIMBAD. wikidata.org.
  6. [8] . Exoplanet Archive. wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307. wikidata.org.
  9. [11] . Freebase Data Dumps. wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307. wikidata.org.
  12. [14] . A dynamical study on the habitability of terrestrial exoplanets - II The super-Earth HD 40307 g. wikidata.org.
  13. [15] . Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307. wikidata.org.
  14. [16] . Extrasolar Planets Encyclopaedia. wikidata.org.
  15. [17] . A dynamical study on the habitability of terrestrial exoplanets - II The super-Earth HD 40307 g. wikidata.org.
  16. [18] . Gaia Data Release 2. wikidata.org.
  17. [19] . A dynamical study on the habitability of terrestrial exoplanets - II The super-Earth HD 40307 g. wikidata.org.
  18. [20] . Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307. wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . Gaia Data Release 2. wikidata.org.
  24. [26] . Gaia Data Release 2. wikidata.org.
  25. [27] . SIMBAD. wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). HD 40307 g. Retrieved May 3, 2026, from https://4ort.xyz/entity/hd-40307-g
MLA “HD 40307 g.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hd-40307-g.
BibTeX @misc{4ortxyz_hd-40307-g_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HD 40307 g}}, year = {2026}, url = {https://4ort.xyz/entity/hd-40307-g}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HD 40307 g — https://4ort.xyz/entity/hd-40307-g (retrieved 2026-05-03)

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