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Zeta Hydrae

star in the constellation Hydra
Place high_proper_motion_star Q1029070

Facts

23 properties
Instance of
high proper-motion star, near-infrared source, ultraviolet source[2][3]
Absolute magnitude
-0.24
Age estimated by a dating method
400.0
Apparent magnitude
2.87 (0.76–4.92, n=9)
Catalog code
GSC 00225-01116, 2MASS J08552362+0556441, SAO 117264, HD 76294, HIP 43813, HR 3547, IRAS 08527+0608, ζ Hya, PLX 2134, BD+06 2060, FK5 334, GC 12327, GCRV 5866, HIC 43813, IRC +10196, JP11 1732, N30 2096, PMC 90-93 242, PPM 155196, RAFGL 1299, ROT 1402, TD1 13277, TYC 225-1116-1, UBV 8636, YZ 6 4871, PLX 2134.00, WEB 8426, Gaia DR2 583588100208201984, 16 Hya, TIC 458688331, Gaia DR3 583588100209595776, AG+06 1155, UBV M 14894[6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25]
Constellation
Hydra[4]
Declination
5.94556538333
Declination component of proper motion
13.001
Diameter
24500000.0
Distance from Earth
46.9191
Effective temperature
4873.0
Epoch
J2000.0
Luminosity
132.0
Mass
4.3
Metallicity
-0.07
Parallax
20.7182
Radial velocity
23.17
Radius
17.9
Right ascension
133.84844223
Right ascension component of proper motion
-100.983
Spectral class
G8.5III[5]
Stellar rotational velocity
2.5
Surface gravity
420.0
🏷️ Also known as
en 16 Hydrae en 16 Hya en ζ Hya en ζ Hydrae en HD 76294 en Zeta Hydrae da 16 Hydrae de 16 Hydrae fa زتا مار باریک fr 16 Hydrae ja うみへび座ζ星 ja うみへび座16番星 ja うみへび座ζ ja うみへび座ゼータ星 ja ヒドロビウス nl 16 Hydrae ru 16 Гидры ru HD 76294 ru дзета Гидры sv 16 Hydrae
🔖 Identifiers · 3
Freebase ID
/m/026ddsp
Gaia ID
583588100209595776
SIMBAD ID
* zet Hya

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🔗 Connections
Constellation 1
Hydra
Epoch 1
J2000.0
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Summary

Zeta Hydrae is a high proper-motion star[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . SIMBAD. wikidata.org.
  2. [3] ↑ . SIMBAD. wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . The Perkins catalog of revised MK types for the cooler stars. wikidata.org.
  5. [6] ↑ . SIMBAD. wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . SIMBAD. wikidata.org.
  8. [9] ↑ . SIMBAD. wikidata.org.
  9. [10] ↑ . SIMBAD. wikidata.org.
  10. [11] ↑ . SIMBAD. wikidata.org.
  11. [12] ↑ . SIMBAD. wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . SIMBAD. wikidata.org.
  14. [15] ↑ . SIMBAD. wikidata.org.
  15. [16] ↑ . SIMBAD. wikidata.org.
  16. [17] ↑ . SIMBAD. wikidata.org.
  17. [18] ↑ . SIMBAD. wikidata.org.
  18. [19] ↑ . SIMBAD. wikidata.org.
  19. [20] ↑ . SIMBAD. wikidata.org.
  20. [21] ↑ . SIMBAD. wikidata.org.
  21. [22] ↑ . SIMBAD. wikidata.org.
  22. [23] ↑ . SIMBAD. wikidata.org.
  23. [24] ↑ . SIMBAD. wikidata.org.
  24. [25] ↑ . SIMBAD. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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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). Zeta Hydrae. Retrieved November 4, 2026, from https://4ort.xyz/entity/zeta-hydrae
MLA “Zeta Hydrae.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/zeta-hydrae.
BibTeX @misc{4ortxyz_zeta-hydrae_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Zeta Hydrae}}, year = {2026}, url = {https://4ort.xyz/entity/zeta-hydrae}, note = {Accessed: 2026-11-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Zeta Hydrae — https://4ort.xyz/entity/zeta-hydrae (retrieved 2026-11-04)

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