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GK Persei

star in the constellation Perseus
Thing Spectroscopic Binary Q1485813

Facts

17 properties
Instance of
spectroscopic binary, cataclysmic variable star, nova, emission-line star, intermediate polar[2][3][4][5]
Apparent magnitude
10.2 (10.1–14, n=6)
Catalog code
HD 21629, HR 1057, KPD 0327+4343, AAVSO 0324+43, PLX 728, BD+43 740a, CSI+43 740 2, GCRV 54133, GCRV 1932, GK Per, PLX 728.00, 1RXS J033111.9+435427, 2MASS J03311201+4354154, SBC9 171, 3A 0327+438, SBC7 123, PBC J0331.1+4353, 2MAXI J0330+438, WEB 3134, Gaia DR2 238540495056450048[8][9][10][11][12][13][14][15][16][17][18][19][20][21][22]
Constellation
Perseus[6]
Declination
43.9042965139114
Declination component of proper motion
-17.191
Distance from Earth
441.9499
Effective temperature
5100.0
Epoch
J2000.0
Metallicity
-0.125
Parallax
2.2627
Radial velocity
28.0
Right ascension
52.8000402612081
Right ascension component of proper motion
-6.714
Spectral class
K1IV[7]
Time of discovery or invention
February 21, 1901
Type of variable star
nova, intermediate polar
🏷️ Also known as
en GK Persei da Nova Persei 1901 de Nova Persei 1901 es Nova Persei 1901 es HD 21629 fr HR 1057 fr Nova Persei 1901 it Nova Persei 1901 ja ペルセウス座GK星 ko 페르세우스자리 GK ro Gk persei ru GK Persei ru GK Персея ru Новая Персея 1901 zh HR 1057 zh 英仙座GK
🔖 Identifiers · 7
Library of Congress Authorities ID
sh00001996
Image (Wikimedia Commons)
Nova Persei 1901.jpg ↗
Encyclopædia Britannica Online ID
place/Nova-Persei
Freebase ID
/m/077jzr
Gaia ID
238540495056450048
J9U entity ID
987007285532705171
SIMBAD ID
V* GK Per

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

🔗 Connections
Instance of 4
nova, cataclysmic variable star, spectroscopic binary, intermediate polar
Type of variable star 2
nova, intermediate polar
Constellation 1
Perseus
Epoch 1
J2000.0
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Summary

GK Persei is a spectroscopic binary[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . General Catalogue of Variable Stars. wikidata.org.
  2. [3] ↑ . General Catalogue of Variable Stars. wikidata.org.
  3. [4] ↑ . SIMBAD. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . VizieR. wikidata.org.
  6. [7] ↑ . The stellar mass ratio of GK Persei. 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] ↑ . 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.

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). GK Persei. Retrieved November 8, 2026, from https://4ort.xyz/entity/gk-persei
MLA “GK Persei.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/gk-persei.
BibTeX @misc{4ortxyz_gk-persei_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{GK Persei}}, year = {2026}, url = {https://4ort.xyz/entity/gk-persei}, note = {Accessed: 2026-11-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): GK Persei — https://4ort.xyz/entity/gk-persei (retrieved 2026-11-08)

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