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YZ Ceti

star in the constellation Cetus
Place high_proper_motion_star Q1077642

Facts

24 properties

Identity

Instance of
high proper-motion star, red dwarf, eruptive variable star, near-infrared source, rotating variable star[2][3][4][5]
More facts +23
Part of
Local Bubble[8]
Absolute magnitude
12.8
Age estimated by a dating method
4.0
Apparent magnitude
10.4 (6.42–15.3, n=12)
Catalog code
HIP 5643, 2MASS J01123052-1659570, IRAS F01100-1716, GSC 05851-01939, GJ 54.1, UCAC4 366-001333, GCRV 26152, GCRV 694, HIC 5643, LFT 118, LHS 138, LPM 63, LTT 670, NLTT 4016, RBS 164, YZ Cet, Zkh 26, PLX 248.01, 1RXS J011229.6-165949, Gaia DR2 2358524597030794112, PM 01100-1716, [GKL99] 38, PM J01125-1659, WEB 1270, Gaia DR3 2358524597030794112, TIC 439403362, TYC 5851-171-1, Karmn J01125-169[13][14][15][16][17][18][19][20][21][22][23]
Child astronomical body
YZ Ceti d, YZ Ceti c, YZ Ceti b, YZ Ceti e[9][10][11][12]
Constellation
Cetus[6]
Declination
-16.99898833654417
Declination component of proper motion
637.547
Distance from Earth
3.7166
Effective temperature
3225.0
Epoch
J2000.0
Mass
0.13
Metallicity
-0.23
Parallax
269.0573
Radial velocity
27.984
Radius
0.168
Right ascension
18.12765367765917
Right ascension component of proper motion
1205.074
Spectral class
M4.0[7]
Stellar rotational velocity
-2.79
Surface gravity
148600.0
Type of variable star
flare star, rotating variable star
🏷️ Also known as
en HIP 5643 en Luyten 725-32 en YZ Cet en YZ Ceti ar YZ قيطس ar واي زد قيطس es GJ 54.1 es LHS 138 fa وای‌زد نهنگ fa وای زد نهنگ he LHS 138 he YZ בלווייתן he גליזה 54.1 ja くじら座YZ星 ko 고래자리 YZ ru HIP 5643 ru YZ Ceti ru YZ Кита sv Luyten 725-32 zh 鯨魚座YZ
🔖 Identifiers · 6
Image (Wikimedia Commons)
YZ Ceti.png ↗
ARICNS
00102
Freebase ID
/m/07d74x
Gaia ID
2358524597030794112
NASA Exoplanet Archive ID
YZ Cet
SIMBAD ID
V* YZ Cet

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Instance of 3
red dwarf, eruptive variable star, rotating variable star
Type of variable star 2
flare star, rotating variable star
Constellation 1
Cetus
Epoch 1
J2000.0
Part of 1
Local Bubble
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Summary

YZ Ceti 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] ↑ . wikidata.org.
  2. [3] ↑ . SIMBAD. wikidata.org.
  3. [4] ↑ . SIMBAD. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . HADES RV programme with HARPS-N at TNG. XII. The abundance signature of M dwarf stars with planets. wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . SIMBAD. 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.

Class ancestry

  1. [1] ↑ . Wikidata. 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). YZ Ceti. Retrieved November 8, 2026, from https://4ort.xyz/entity/yz-ceti
MLA “YZ Ceti.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/yz-ceti.
BibTeX @misc{4ortxyz_yz-ceti_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{YZ Ceti}}, year = {2026}, url = {https://4ort.xyz/entity/yz-ceti}, note = {Accessed: 2026-11-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): YZ Ceti — https://4ort.xyz/entity/yz-ceti (retrieved 2026-11-08)

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