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2 Andromedae

star in the constellation Andromeda
Place star Q1187064

Facts

22 properties

Identity

Instance of
star, binary star, infrared source, double star, near-infrared source, ultraviolet source[1][2][3][4][5]
More facts +21
Absolute magnitude
+5.18[34]
Apparent magnitude
4.69 (4.69–5.09, n=5)[29][30][31][32][33]
Catalog code
HIP 113788, HR 8766, 2MASS J23023636+4245283, GSC 03224-03432, HD 217782, SAO 52623, ADS 16467 AB, BD+41 4665, CCDM J23026+4245AB, CEL 5558, GC 32110, GCRV 14455, HIC 113788, IRAS 23002+4229, PLX 5580, PPM 63742, ROT 3352, TD1 29557, UBV 19750, uvby98 100217782, WDS J23026+4245AB, YPAC 219, Gaia DR2 1931392955600422016, HGAM 1109, WEB 20215, 2 And, TIC 155112575, AG+42 2239[13][14][15][16][17][18][19][20][21][22][23][24][25][26]
Constellation
Andromeda[6]
Declination
+42.757795235[53]
Declination component of proper motion
-4 (-4.77–4.32, n=5)[56][57][58][59][60]
Different from
Andromeda II[35]
Distance from Earth
135 (135–350, n=3)[47][48]
Effective temperature
+8954[55]
Epoch
J2000.0[54]
Has part(s)
2 And A, 2 And B[11][12]
Luminosity
+130.50[36]
Orbital eccentricity
+0.62[28]
Parallax
9.33 (7.41–9.33, n=3)[38][39][40]
Radial velocity
17 (-18.1–21.5, n=7)[41][42][43][44][45][46]
Radius
+5.30[37]
Right ascension
+345.651590657[52]
Right ascension component of proper motion
52 (45–56.4, n=5)
Spectral class
A3Vn, A1V, A0V, A2[7][8][9][10]
Stellar rotational velocity
190 (190–212, n=3)[49][50][51]
Type of variable star
Delta Scuti variable[27]
🏷️ Also known as
en 2 Andromedae en HD 217782 de HD 217782 es HD 217782 fa 2 زن برزنجیر fa ۲ زن برزنجیر fr HD 217782 it HD 217782 ja アンドロメダ座2番星 ja HD 217782 ja HIP 113788 ja HR 8766 ko 안드로메다자리 2 nl HD 217782 pl HD 217782 pt HD 217782 ru 2 Андромеды ru HD 217782 uk 2 Андромеди zh HD 217782
🔖 Identifiers · 3
ARICNS
01884
Freebase ID
/m/08bc40
SIMBAD ID
* 2 And

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

🔗 Connections
Instance of 3
star, binary star, double star
Constellation 1
Andromeda
Different from 1
Andromeda II
Epoch 1
J2000.0
Type of variable star 1
Delta Scuti variable
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References

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

Direct Wikidata claims

  1. [1] ↑ . Washington Double Star Catalog. wikidata.org.
  2. [2] ↑ . SIMBAD. wikidata.org.
  3. [3] ↑ . SIMBAD. wikidata.org.
  4. [4] ↑ . SIMBAD. wikidata.org.
  5. [5] ↑ . SIMBAD. wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . A study of the bright A stars. I. A catalogue of spectral classifications. wikidata.org.
  8. [8] ↑ . The Relation between Rotational Velocities and Spectral Peculiarities among A-Type Stars. wikidata.org.
  9. [9] ↑ . The radial velocities spectral types and projected rotational velocities of 633 bright northern A stars. wikidata.org.
  10. [10] ↑ . VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925). wikidata.org.
  11. [11] ↑ . Washington Double Star Catalog. wikidata.org.
  12. [12] ↑ . 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] ↑ . SIMBAD. wikidata.org.
  26. [26] ↑ . SIMBAD. wikidata.org.
  27. [27] ↑ . wikidata.org.
  28. [28] ↑ . wikidata.org.
  29. [29] ↑ . wikidata.org.
  30. [30] ↑ . Gaia Data Release 2. wikidata.org.
  31. [31] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  32. [32] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  33. [33] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  34. [34] ↑ . wikidata.org.
  35. [35] ↑ . wikidata.org.
  36. [36] ↑ . wikidata.org.
  37. [37] ↑ . wikidata.org.
  38. [38] ↑ . Validation of the new Hipparcos reduction. wikidata.org.
  39. [39] ↑ . Gaia Data Release 2. wikidata.org.
  40. [40] ↑ . The HIPPARCOS Catalogue. wikidata.org.
  41. [41] ↑ . Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue. wikidata.org.
  42. [42] ↑ . Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system. wikidata.org.
  43. [43] ↑ . The radial velocities of 917 stars. wikidata.org.
  44. [44] ↑ . Catalogue of observed velocities. wikidata.org.
  45. [45] ↑ . Eighty-eight spectroscopic binaries. wikidata.org.
  46. [46] ↑ . SIMBAD. wikidata.org.
  47. [47] ↑ . wikidata.org.
  48. [48] ↑ . Gaia Data Release 2. wikidata.org.
  49. [49] ↑ . Rotational velocities of A-type stars. III. Velocity distributions. wikidata.org.
  50. [50] ↑ . The Relation between Rotational Velocities and Spectral Peculiarities among A-Type Stars. wikidata.org.
  51. [51] ↑ . Catalogue of rotational velocities of the stars. wikidata.org.
  52. [52] ↑ . Validation of the new Hipparcos reduction. wikidata.org.
  53. [53] ↑ . Validation of the new Hipparcos reduction. wikidata.org.
  54. [54] ↑ . Validation of the new Hipparcos reduction. wikidata.org.
  55. [55] ↑ . Rotational velocities of A-type stars. IV. Evolution of rotational velocities. wikidata.org.
  56. [56] ↑ . Gaia Data Release 2. wikidata.org.
  57. [57] ↑ . Validation of the new Hipparcos reduction. wikidata.org.
  58. [58] ↑ . The HIPPARCOS Catalogue. wikidata.org.
  59. [59] ↑ . AGK3. wikidata.org.
  60. [60] ↑ . SIMBAD. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). 2 Andromedae. Retrieved November 6, 2026, from https://4ort.xyz/entity/2-andromedae
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BibTeX @misc{4ortxyz_2-andromedae_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2 Andromedae}}, year = {2026}, url = {https://4ort.xyz/entity/2-andromedae}, note = {Accessed: 2026-11-06}}
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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. 4h ago · Porrima · 2026-11-06 view diff on Wikidata ↗
    Orbital eccentricity → {'amount': '+0.62'}
    Radius → {'unit': 'Q48440', 'amount': '+5.30'}
    Right ascension component of proper motion → {'unit': 'Q22137107', 'amount': '+53.107'}, {'unit': 'Q22137107', 'amount': '+56.38'}, {'unit': 'Q22137107', 'amount': '+55.67'} +2
    Radial velocity → {'unit': 'Q3674704', 'amount': '+2.0'}, {'unit': 'Q3674704', 'amount': '+2.10'}, {'unit': 'Q3674704', 'amount': '+2.0'} +4
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbsetlabel-add:1|mul */ 2 Andromedae, [[:toollabs:quickstatements/#/batch/294229|batch #294229]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.