Q81756998

low-mass star in the constellation Cetus

Thing low_mass_star Q81756998

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Q81756998

Summary

Q81756998 is a low-mass star^[1].

Key Facts

Q81756998's instance of is recorded as low-mass star^[2].
Q81756998's constellation is recorded as Cetus^[3].
Q81756998's spectral class is recorded as M1V^[4].
Q81756998's catalog code is recorded as 2MASS J00404768-0005251^[5].
Q81756998's catalog code is recorded as SDSS J004047.68-000525.3^[6].
Q81756998's catalog code is recorded as SDSS J004047.68-000525.4^[7].
Q81756998's catalog code is recorded as Gaia DR2 2543063158302698240^[8].
Q81756998's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.328'}^[9].
Q81756998's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.956'}^[10].
Q81756998's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.277'}^[11].
Q81756998's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.171'}^[12].
Q81756998's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.711'}^[13].
Q81756998's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.324'}^[14].
Q81756998's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.555'}^[15].
Q81756998's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.119'}^[16].
Q81756998's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.3095'}^[17].
Q81756998's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.2807'}^[18].
Q81756998's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+6'}^[19].
Q81756998's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+572.2'}^[20].
Q81756998's SIMBAD ID is recorded as 2MASS J00404768-0005251^[21].
Q81756998's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+10.19867684891800'}^[22].
Q81756998's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.09037681285820'}^[23].
Q81756998's epoch is recorded as J2000.0^[24].
Q81756998's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-11.058'}^[25].
Q81756998's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+2.619'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +21.328, unit: 1, amount: +14.956, unit: 1, amount: +14.277, unit: 1, amount: +14.171, unit: 1, amount: +18.711, unit: 1, amount: +17.324, unit: 1, amount: +16.555, unit: 1, amount: +16.119, unit: 1, amount: +17.3095

Catalog code 2MASS J00404768-0005251, SDSS J004047.68-000525.3, SDSS J004047.68-000525.4, Gaia DR2 2543063158302698240

Constellation Cetus

Declination unit: www.wikidata.org, amount: -0.09037681285820

Declination component of proper motion unit: www.wikidata.org, amount: -11.058

Distance from earth unit: www.wikidata.org, amount: +572.2

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.2807

Radial velocity unit: www.wikidata.org, amount: +6

Right ascension unit: www.wikidata.org, amount: +10.19867684891800

Right ascension component of proper motion unit: www.wikidata.org, amount: +2.619

Spectral class M1V

External References (2)

Gaia id 2543063158302698240

Simbad id 2MASS J00404768-0005251

References

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

Direct Wikidata claims

[2] ↑ Q81756998 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81756998 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81756998 — spectral class (P215): M1V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81756998 — catalog code (P528): 2MASS J00404768-0005251. SIMBAD. wikidata.org.
[6] ↑ Q81756998 — catalog code (P528): SDSS J004047.68-000525.3. SIMBAD. wikidata.org.
[7] ↑ Q81756998 — catalog code (P528): SDSS J004047.68-000525.4. SIMBAD. wikidata.org.
[8] ↑ Q81756998 — catalog code (P528): Gaia DR2 2543063158302698240. SIMBAD. wikidata.org.
[9] ↑ Q81756998 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.328'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81756998 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.956'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[11] ↑ Q81756998 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.277'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[12] ↑ Q81756998 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.171'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q81756998 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.711'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[14] ↑ Q81756998 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.324'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[15] ↑ Q81756998 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.555'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q81756998 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.119'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q81756998 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.3095'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81756998 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.2807'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81756998 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+6'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81756998 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+572.2'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81756998 — SIMBAD ID (P3083): 2MASS J00404768-0005251. wikidata.org.
[22] ↑ Q81756998 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+10.19867684891800'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81756998 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.09037681285820'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81756998 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81756998 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-11.058'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81756998 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+2.619'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81756998 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). Q81756998. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81756998

MLA “Q81756998.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81756998.

BibTeX

@misc{4ortxyz_q81756998_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81756998}}, year = {2026}, url = {https://4ort.xyz/entity/q81756998}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81756998 — https://4ort.xyz/entity/q81756998 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81756998 · Last refreshed: May 7, 2026