Q81760496

low-mass star in the constellation Cetus

Thing low_mass_star Q81760496

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Q81760496

Summary

Q81760496 is a low-mass star^[1].

Key Facts

Q81760496's instance of is recorded as low-mass star^[2].
Q81760496's constellation is recorded as Cetus^[3].
Q81760496's spectral class is recorded as M2V^[4].
Q81760496's catalog code is recorded as 2MASS J00394034-0042555^[5].
Q81760496's catalog code is recorded as SDSS J003940.33-004256.0^[6].
Q81760496's catalog code is recorded as SDSS J003940.34-004256.0^[7].
Q81760496's catalog code is recorded as SDSS J003940.34-004256.1^[8].
Q81760496's catalog code is recorded as Gaia DR2 2542875485411577344^[9].
Q81760496's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.868'}^[10].
Q81760496's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.361'}^[11].
Q81760496's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.738'}^[12].
Q81760496's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.823'}^[13].
Q81760496's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.348'}^[14].
Q81760496's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.269'}^[15].
Q81760496's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.681'}^[16].
Q81760496's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.98'}^[17].
Q81760496's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.5047'}^[18].
Q81760496's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6319'}^[19].
Q81760496's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-42'}^[20].
Q81760496's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1297.2'}^[21].
Q81760496's SIMBAD ID is recorded as 2MASS J00394034-0042555^[22].
Q81760496's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.91807342182940'}^[23].
Q81760496's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.71557169570060'}^[24].
Q81760496's epoch is recorded as J2000.0^[25].
Q81760496's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-5.087'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.868, unit: 1, amount: +21.361, unit: 1, amount: +19.738, unit: 1, amount: +18.823, unit: 1, amount: +18.348, unit: 1, amount: +17.269, unit: 1, amount: +16.681, unit: 1, amount: +15.98, unit: 1, amount: +19.5047

Catalog code 2MASS J00394034-0042555, SDSS J003940.33-004256.0, SDSS J003940.34-004256.0, SDSS J003940.34-004256.1, Gaia DR2 2542875485411577344

Constellation Cetus

Declination unit: www.wikidata.org, amount: -0.71557169570060

Declination component of proper motion unit: www.wikidata.org, amount: -5.087

Distance from earth unit: www.wikidata.org, amount: +1297.2

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.6319

Radial velocity unit: www.wikidata.org, amount: -42

Right ascension unit: www.wikidata.org, amount: +9.91807342182940

Right ascension component of proper motion unit: www.wikidata.org, amount: +4.426

Spectral class M2V

External References (2)

Gaia id 2542875485411577344

Simbad id 2MASS J00394034-0042555

References

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

Direct Wikidata claims

[2] ↑ Q81760496 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81760496 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81760496 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81760496 — catalog code (P528): 2MASS J00394034-0042555. SIMBAD. wikidata.org.
[6] ↑ Q81760496 — catalog code (P528): SDSS J003940.33-004256.0. SIMBAD. wikidata.org.
[7] ↑ Q81760496 — catalog code (P528): SDSS J003940.34-004256.0. SIMBAD. wikidata.org.
[8] ↑ Q81760496 — catalog code (P528): SDSS J003940.34-004256.1. SIMBAD. wikidata.org.
[9] ↑ Q81760496 — catalog code (P528): Gaia DR2 2542875485411577344. SIMBAD. wikidata.org.
[10] ↑ Q81760496 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.868'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81760496 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.361'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81760496 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.738'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81760496 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.823'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81760496 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.348'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81760496 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.269'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81760496 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.681'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81760496 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.98'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81760496 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.5047'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81760496 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6319'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81760496 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-42'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81760496 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1297.2'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81760496 — SIMBAD ID (P3083): 2MASS J00394034-0042555. wikidata.org.
[23] ↑ Q81760496 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.91807342182940'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81760496 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.71557169570060'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81760496 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81760496 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-5.087'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81760496 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). Q81760496. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81760496

MLA “Q81760496.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81760496.

BibTeX

@misc{4ortxyz_q81760496_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81760496}}, year = {2026}, url = {https://4ort.xyz/entity/q81760496}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81760496 — https://4ort.xyz/entity/q81760496 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81760496 · Last refreshed: May 7, 2026