Q81768391

low-mass star in the constellation Cetus

Thing low_mass_star Q81768391

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Q81768391

Summary

Q81768391 is a low-mass star^[1].

Key Facts

Q81768391's instance of is recorded as low-mass star^[2].
Q81768391's constellation is recorded as Cetus^[3].
Q81768391's spectral class is recorded as M2V^[4].
Q81768391's catalog code is recorded as 2MASS J00542224+0054151^[5].
Q81768391's catalog code is recorded as SDSS J005422.24+005415.2^[6].
Q81768391's catalog code is recorded as SDSS J005422.24+005415.1^[7].
Q81768391's catalog code is recorded as EPIC 220225598^[8].
Q81768391's catalog code is recorded as Gaia DR2 2537509254488366848^[9].
Q81768391's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.050'}^[10].
Q81768391's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.973'}^[11].
Q81768391's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.345'}^[12].
Q81768391's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.141'}^[13].
Q81768391's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.323'}^[14].
Q81768391's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.887'}^[15].
Q81768391's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.829'}^[16].
Q81768391's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.296'}^[17].
Q81768391's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.5300'}^[18].
Q81768391's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.4531'}^[19].
Q81768391's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+29'}^[20].
Q81768391's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+224.5627'}^[21].
Q81768391's SIMBAD ID is recorded as 2MASS J00542224+0054151^[22].
Q81768391's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+13.59269777885320'}^[23].
Q81768391's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.90423146748380'}^[24].
Q81768391's epoch is recorded as J2000.0^[25].
Q81768391's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-5.104'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +21.050, unit: 1, amount: +13.973, unit: 1, amount: +13.345, unit: 1, amount: +13.141, unit: 1, amount: +18.323, unit: 1, amount: +16.887, unit: 1, amount: +15.829, unit: 1, amount: +15.296, unit: 1, amount: +16.5300

Catalog code 2MASS J00542224+0054151, SDSS J005422.24+005415.2, SDSS J005422.24+005415.1, EPIC 220225598, Gaia DR2 2537509254488366848

Constellation Cetus

Declination unit: www.wikidata.org, amount: +0.90423146748380

Declination component of proper motion unit: www.wikidata.org, amount: -5.104

Distance from earth unit: www.wikidata.org, amount: +224.5627

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +4.4531

Radial velocity unit: www.wikidata.org, amount: +29

Right ascension unit: www.wikidata.org, amount: +13.59269777885320

Right ascension component of proper motion unit: www.wikidata.org, amount: +1.867

Spectral class M2V

External References (2)

Gaia id 2537509254488366848

Simbad id 2MASS J00542224+0054151

References

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

Direct Wikidata claims

[2] ↑ Q81768391 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81768391 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81768391 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81768391 — catalog code (P528): 2MASS J00542224+0054151. SIMBAD. wikidata.org.
[6] ↑ Q81768391 — catalog code (P528): SDSS J005422.24+005415.2. SIMBAD. wikidata.org.
[7] ↑ Q81768391 — catalog code (P528): SDSS J005422.24+005415.1. SIMBAD. wikidata.org.
[8] ↑ Q81768391 — catalog code (P528): EPIC 220225598. SIMBAD. wikidata.org.
[9] ↑ Q81768391 — catalog code (P528): Gaia DR2 2537509254488366848. SIMBAD. wikidata.org.
[10] ↑ Q81768391 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.050'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81768391 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.973'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[12] ↑ Q81768391 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.345'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q81768391 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.141'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81768391 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.323'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[15] ↑ Q81768391 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.887'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q81768391 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.829'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q81768391 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.296'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q81768391 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.5300'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81768391 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.4531'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81768391 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+29'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81768391 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+224.5627'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81768391 — SIMBAD ID (P3083): 2MASS J00542224+0054151. wikidata.org.
[23] ↑ Q81768391 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+13.59269777885320'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81768391 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.90423146748380'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81768391 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81768391 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-5.104'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81768391 is an instance of low-mass star (Q12795622) [P31, primary]. 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). Q81768391. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81768391

MLA “Q81768391.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81768391.

BibTeX

@misc{4ortxyz_q81768391_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81768391}}, year = {2026}, url = {https://4ort.xyz/entity/q81768391}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81768391 — https://4ort.xyz/entity/q81768391 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81768391 · Last refreshed: May 7, 2026