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ER Vulpeculae

variable star in the Vulpeculae constellation
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ER Vulpeculae

Summary

ER Vulpeculae is a G-type main-sequence star[1]. It draws 3 Wikipedia views per month (g_type_main_sequence_star category, ranking #10 of 15).[2]

Key Facts

  • ER Vulpeculae's instance of is recorded as G-type main-sequence star[3].
  • ER Vulpeculae's constellation is recorded as Vulpecula[4].
  • ER Vulpeculae's spectral class is recorded as G0V+G5V[5].
  • ER Vulpeculae's catalog code is recorded as 1ES 2100+27.6[6].
  • ER Vulpeculae's catalog code is recorded as 1RXS J210225.7+274829[7].
  • ER Vulpeculae's catalog code is recorded as 2EUVE J2102+27.7[8].
  • ER Vulpeculae's catalog code is recorded as 2MASS J21022589+2748264[9].
  • ER Vulpeculae's catalog code is recorded as AG+27 2353[10].
  • ER Vulpeculae's catalog code is recorded as ASAS J210225+2748.4[11].
  • ER Vulpeculae's catalog code is recorded as BD+27 3952[12].
  • ER Vulpeculae's catalog code is recorded as EUVE J2102+27.7[13].
  • ER Vulpeculae's catalog code is recorded as GCRV 13216[14].
  • ER Vulpeculae's catalog code is recorded as GSC 02180-00611[15].
  • ER Vulpeculae's catalog code is recorded as HD 200391[16].
  • ER Vulpeculae's catalog code is recorded as HIC 103833[17].
  • ER Vulpeculae's catalog code is recorded as HIP 103833[18].
  • ER Vulpeculae's catalog code is recorded as PPM 112323[19].
  • ER Vulpeculae's catalog code is recorded as SAO 89396[20].
  • ER Vulpeculae's catalog code is recorded as TYC 2180-611-1[21].
  • ER Vulpeculae's catalog code is recorded as uvby98 100200391 V[22].
  • ER Vulpeculae's catalog code is recorded as ER Vul[23].
  • ER Vulpeculae's catalog code is recorded as YZ 27 12031[24].
  • ER Vulpeculae's catalog code is recorded as uvby98 100200391[25].
  • ER Vulpeculae's catalog code is recorded as SBC9 1282[26].
  • ER Vulpeculae's catalog code is recorded as CMC 208831[27].

Body

Designation and Status

ER Vulpeculae's instance of is recorded as G-type main-sequence star[3].

History and Context

Catalog codes include 1ES 2100+27.6[6], 1RXS J210225.7+274829[7], 2EUVE J2102+27.7[8], 2MASS J21022589+2748264[9], AG+27 2353[10], and ASAS J210225+2748.4[11].

Why It Matters

ER Vulpeculae draws 3 Wikipedia views per month (g_type_main_sequence_star category, ranking #10 of 15).[2]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . Starspots. wikidata.org.
  4. [6] ↑ . SIMBAD. wikidata.org.
  5. [7] ↑ . SIMBAD. wikidata.org.
  6. [8] ↑ . SIMBAD. wikidata.org.
  7. [9] ↑ . SIMBAD. wikidata.org.
  8. [10] ↑ . SIMBAD. wikidata.org.
  9. [11] ↑ . SIMBAD. wikidata.org.
  10. [12] ↑ . SIMBAD. wikidata.org.
  11. [13] ↑ . SIMBAD. wikidata.org.
  12. [14] ↑ . SIMBAD. wikidata.org.
  13. [15] ↑ . SIMBAD. wikidata.org.
  14. [16] ↑ . SIMBAD. wikidata.org.
  15. [17] ↑ . SIMBAD. wikidata.org.
  16. [18] ↑ . SIMBAD. wikidata.org.
  17. [19] ↑ . SIMBAD. wikidata.org.
  18. [20] ↑ . SIMBAD. wikidata.org.
  19. [21] ↑ . SIMBAD. wikidata.org.
  20. [22] ↑ . SIMBAD. wikidata.org.
  21. [23] ↑ . SIMBAD. wikidata.org.
  22. [24] ↑ . SIMBAD. wikidata.org.
  23. [25] ↑ . SIMBAD. wikidata.org.
  24. [26] ↑ . SIMBAD. wikidata.org.
  25. [27] ↑ . SIMBAD. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.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). ER Vulpeculae. Retrieved May 3, 2026, from https://4ort.xyz/entity/er-vulpeculae
MLA “ER Vulpeculae.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/er-vulpeculae.
BibTeX @misc{4ortxyz_er-vulpeculae_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{ER Vulpeculae}}, year = {2026}, url = {https://4ort.xyz/entity/er-vulpeculae}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): ER Vulpeculae — https://4ort.xyz/entity/er-vulpeculae (retrieved 2026-05-03)

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