Q81768765

low-mass star in the constellation Cetus

Thing low_mass_star Q81768765

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Q81768765

Summary

Q81768765 is a low-mass star^[1].

Key Facts

Q81768765's instance of is recorded as low-mass star^[2].
Q81768765's constellation is recorded as Cetus^[3].
Q81768765's spectral class is recorded as M2V^[4].
Q81768765's catalog code is recorded as 2MASS J00402397-0013332^[5].
Q81768765's catalog code is recorded as SDSS J004023.98-001333.1^[6].
Q81768765's catalog code is recorded as SDSS J004023.98-001333.2^[7].
Q81768765's catalog code is recorded as Gaia DR2 2542966607437925504^[8].
Q81768765's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.834'}^[9].
Q81768765's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.063'}^[10].
Q81768765's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.622'}^[11].
Q81768765's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.338'}^[12].
Q81768765's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.148'}^[13].
Q81768765's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.368'}^[14].
Q81768765's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.753'}^[15].
Q81768765's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.40'}^[16].
Q81768765's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.4556'}^[17].
Q81768765's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.9887'}^[18].
Q81768765's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+7'}^[19].
Q81768765's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+863.9'}^[20].
Q81768765's SIMBAD ID is recorded as 2MASS J00402397-0013332^[21].
Q81768765's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+10.09993353768140'}^[22].
Q81768765's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.22587400334250'}^[23].
Q81768765's epoch is recorded as J2000.0^[24].
Q81768765's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+6.475'}^[25].
Q81768765's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+21.035'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +22.834, unit: 1, amount: +20.063, unit: 1, amount: +18.622, unit: 1, amount: +17.338, unit: 1, amount: +16.148, unit: 1, amount: +15.368, unit: 1, amount: +17.753, unit: 1, amount: +15.40, unit: 1, amount: +18.4556

Catalog code 2MASS J00402397-0013332, SDSS J004023.98-001333.1, SDSS J004023.98-001333.2, Gaia DR2 2542966607437925504

Constellation Cetus

Declination unit: www.wikidata.org, amount: -0.22587400334250

Declination component of proper motion unit: www.wikidata.org, amount: +6.475

Distance from earth unit: www.wikidata.org, amount: +863.9

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.9887

Radial velocity unit: www.wikidata.org, amount: +7

Right ascension unit: www.wikidata.org, amount: +10.09993353768140

Right ascension component of proper motion unit: www.wikidata.org, amount: +21.035

Spectral class M2V

External References (2)

Gaia id 2542966607437925504

Simbad id 2MASS J00402397-0013332

References

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

Direct Wikidata claims

[2] ↑ Q81768765 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81768765 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81768765 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81768765 — catalog code (P528): 2MASS J00402397-0013332. SIMBAD. wikidata.org.
[6] ↑ Q81768765 — catalog code (P528): SDSS J004023.98-001333.1. SIMBAD. wikidata.org.
[7] ↑ Q81768765 — catalog code (P528): SDSS J004023.98-001333.2. SIMBAD. wikidata.org.
[8] ↑ Q81768765 — catalog code (P528): Gaia DR2 2542966607437925504. SIMBAD. wikidata.org.
[9] ↑ Q81768765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.834'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81768765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.063'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81768765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.622'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[12] ↑ Q81768765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.338'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81768765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.148'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81768765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.368'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81768765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.753'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q81768765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.40'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81768765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.4556'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81768765 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.9887'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81768765 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+7'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81768765 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+863.9'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81768765 — SIMBAD ID (P3083): 2MASS J00402397-0013332. wikidata.org.
[22] ↑ Q81768765 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+10.09993353768140'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81768765 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.22587400334250'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81768765 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81768765 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+6.475'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81768765 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+21.035'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81768765 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). Q81768765. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81768765

MLA “Q81768765.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81768765.

BibTeX

@misc{4ortxyz_q81768765_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81768765}}, year = {2026}, url = {https://4ort.xyz/entity/q81768765}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81768765 — https://4ort.xyz/entity/q81768765 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81768765 · Last refreshed: May 7, 2026