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HD 21769

binary star system in the constellation Camelopardalis
Thing Peculiar Star Q6868181

Facts

16 properties
Instance of
peculiar star, binary star, infrared source, ultraviolet source[1][2][3]
Part of
ADS 2592 AB[9]
Apparent magnitude
6.14 (6.14–6.55, n=6)[25][26][27][28][29][30]
Catalog code
ADS 2592 A, 2MASS J03333219+5845548, AG+58 360, BD+58 619, CCDM J03335+5846A, CSI+58 619 1, GC 4223, GCRV 1952, GSC 03728-01417, HD 21769, HIC 16587, HIP 16587, HR 1068, IDS 03255+5826 A, PPM 28553, SAO 24093, TD1 2256, TYC 3728-1417-1, UBV 3373, UBV M 9549, uvby98 100021769 A, WDS J03335+5846A, YZ 58 3053, Gaia DR1 449935104573481344, WEB 3164, Gaia DR2 449935108870554240[11][12][13][14][15][16][17][18][19][20][21][22][23][24]
Companion of
Q66650491[10]
Constellation
Camelopardalis[4]
Declination
+58.76524391435430[43]
Declination component of proper motion
-45.6 (-45.6–-43, n=3)[45][46][47]
Distance from Earth
+94.8479[39]
Epoch
J2000.0[44]
Parallax
11.1 (4.27–11.1, n=4)[31][32][33][34]
Radial velocity
3.4 (3.4–7.4, n=5)[35][36][37][38]
Right ascension
+53.38419336733550[42]
Right ascension component of proper motion
13.1 (13.1–14.9, n=3)[48][49][50]
Spectral class
A4II-III, Am, A4III, A2[5][6][7][8]
Stellar rotational velocity
+92, +81[40][41]
🏷️ Also known as
uk HD21769
🔖 Identifiers · 3
Gaia ID
449935108870554240
Google Knowledge Graph ID
/g/12204977
SIMBAD ID
HD 21769

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References

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

Direct Wikidata claims

  1. [1] ↑ . SIMBAD. wikidata.org.
  2. [2] ↑ . SIMBAD. wikidata.org.
  3. [3] ↑ . SIMBAD. wikidata.org.
  4. [4] ↑ . VizieR. vizier.u-strasbg.fr. Provenance: wikidata.org.
  5. [5] ↑ . MK spectral types for 185 bright stars. wikidata.org.
  6. [6] ↑ . Slit spectra of some peculiar and metallic-line A stars. wikidata.org.
  7. [7] ↑ . A study of the bright A stars. I. A catalogue of spectral classifications. wikidata.org.
  8. [8] ↑ . VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925). wikidata.org.
  9. [9] ↑ . Washington Double Star Catalog. wikidata.org.
  10. [10] ↑ . Washington Double Star Catalog. wikidata.org.
  11. [11] ↑ . SIMBAD. wikidata.org.
  12. [12] ↑ . SIMBAD. wikidata.org.
  13. [13] ↑ . SIMBAD. wikidata.org.
  14. [14] ↑ . SIMBAD. wikidata.org.
  15. [15] ↑ . SIMBAD. wikidata.org.
  16. [16] ↑ . SIMBAD. wikidata.org.
  17. [17] ↑ . SIMBAD. wikidata.org.
  18. [18] ↑ . SIMBAD. wikidata.org.
  19. [19] ↑ . SIMBAD. wikidata.org.
  20. [20] ↑ . SIMBAD. wikidata.org.
  21. [21] ↑ . SIMBAD. wikidata.org.
  22. [22] ↑ . SIMBAD. wikidata.org.
  23. [23] ↑ . SIMBAD. wikidata.org.
  24. [24] ↑ . SIMBAD. wikidata.org.
  25. [25] ↑ . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  26. [26] ↑ . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  27. [27] ↑ . Gaia Data Release 2. wikidata.org.
  28. [28] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  29. [29] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  30. [30] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  31. [31] ↑ . Gaia Data Release 2. wikidata.org.
  32. [32] ↑ . The HIPPARCOS Catalogue. wikidata.org.
  33. [33] ↑ . Validation of the new Hipparcos reduction. wikidata.org.
  34. [34] ↑ . Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties. wikidata.org.
  35. [35] ↑ . Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue. wikidata.org.
  36. [36] ↑ . Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system. wikidata.org.
  37. [37] ↑ . The radial velocities of 374 stars (1942). wikidata.org.
  38. [38] ↑ . The radial velocities of 917 stars. wikidata.org.
  39. [39] ↑ . Gaia Data Release 2. wikidata.org.
  40. [40] ↑ . Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i. wikidata.org.
  41. [41] ↑ . The Relation between Rotational Velocities and Spectral Peculiarities among A-Type Stars. wikidata.org.
  42. [42] ↑ . Gaia Data Release 2. wikidata.org.
  43. [43] ↑ . Gaia Data Release 2. wikidata.org.
  44. [44] ↑ . Gaia Data Release 2. wikidata.org.
  45. [45] ↑ . Gaia Data Release 2. wikidata.org.
  46. [46] ↑ . Validation of the new Hipparcos reduction. wikidata.org.
  47. [47] ↑ . The HIPPARCOS Catalogue. wikidata.org.
  48. [48] ↑ . Gaia Data Release 2. wikidata.org.
  49. [49] ↑ . Validation of the new Hipparcos reduction. wikidata.org.
  50. [50] ↑ . The HIPPARCOS Catalogue. 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 21769. Retrieved November 3, 2026, from https://4ort.xyz/entity/q6868181
MLA “HD 21769.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Nov. 2026, https://4ort.xyz/entity/q6868181.
BibTeX @misc{4ortxyz_q6868181_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HD 21769}}, year = {2026}, url = {https://4ort.xyz/entity/q6868181}, note = {Accessed: 2026-11-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HD 21769 — https://4ort.xyz/entity/q6868181 (retrieved 2026-11-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 7d ago · Porrima · 2026-11-03 view diff on Wikidata ↗
    Part of → ADS 2592 AB
    Distance from Earth → 94.8479 parsec
    Right ascension component of proper motion → 14.881 milliarcsecond per year, 13.29 milliarcsecond per year, 13.07 milliarcsecond per year
    Google Knowledge Graph ID → /g/12204977
    + 16 other properties edited (see Wikidata diff for full list)
    "Added [hu] description: a Henry Draper katalógus csillaga, batch #293786"
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