Q81758475

low-mass star in the constellation Cetus

Thing low_mass_star Q81758475

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Q81758475

Summary

Q81758475 is a low-mass star^[1].

Key Facts

Q81758475's instance of is recorded as low-mass star^[2].
Q81758475's constellation is recorded as Cetus^[3].
Q81758475's spectral class is recorded as M6V^[4].
Q81758475's catalog code is recorded as 2MASS J00390320-0017386^[5].
Q81758475's catalog code is recorded as SDSS J003903.21-001738.6^[6].
Q81758475's catalog code is recorded as SDSS J003903.22-001738.6^[7].
Q81758475's catalog code is recorded as SDSS J003903.22-001738.7^[8].
Q81758475's catalog code is recorded as Gaia DR2 2542971177283548800^[9].
Q81758475's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.688'}^[10].
Q81758475's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.504'}^[11].
Q81758475's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.958'}^[12].
Q81758475's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.329'}^[13].
Q81758475's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.730'}^[14].
Q81758475's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.194'}^[15].
Q81758475's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.802'}^[16].
Q81758475's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.213'}^[17].
Q81758475's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.0051'}^[18].
Q81758475's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.6220'}^[19].
Q81758475's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+3'}^[20].
Q81758475's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+276.0906'}^[21].
Q81758475's SIMBAD ID is recorded as 2MASS J00390320-0017386^[22].
Q81758475's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.76341017424440'}^[23].
Q81758475's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.29407943006640'}^[24].
Q81758475's epoch is recorded as J2000.0^[25].
Q81758475's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-1.805'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.688, unit: 1, amount: +21.504, unit: 1, amount: +19.958, unit: 1, amount: +17.329, unit: 1, amount: +15.730, unit: 1, amount: +15.194, unit: 1, amount: +14.802, unit: 1, amount: +18.213, unit: 1, amount: +19.0051

Catalog code 2MASS J00390320-0017386, SDSS J003903.21-001738.6, SDSS J003903.22-001738.6, SDSS J003903.22-001738.7, Gaia DR2 2542971177283548800

Constellation Cetus

Declination unit: www.wikidata.org, amount: -0.29407943006640

Declination component of proper motion unit: www.wikidata.org, amount: -1.805

Distance from earth unit: www.wikidata.org, amount: +276.0906

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +3.6220

Radial velocity unit: www.wikidata.org, amount: +3

Right ascension unit: www.wikidata.org, amount: +9.76341017424440

Right ascension component of proper motion unit: www.wikidata.org, amount: +13.884

Spectral class M6V

External References (2)

Gaia id 2542971177283548800

Simbad id 2MASS J00390320-0017386

References

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

Direct Wikidata claims

[2] ↑ Q81758475 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81758475 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81758475 — spectral class (P215): M6V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81758475 — catalog code (P528): 2MASS J00390320-0017386. SIMBAD. wikidata.org.
[6] ↑ Q81758475 — catalog code (P528): SDSS J003903.21-001738.6. SIMBAD. wikidata.org.
[7] ↑ Q81758475 — catalog code (P528): SDSS J003903.22-001738.6. SIMBAD. wikidata.org.
[8] ↑ Q81758475 — catalog code (P528): SDSS J003903.22-001738.7. SIMBAD. wikidata.org.
[9] ↑ Q81758475 — catalog code (P528): Gaia DR2 2542971177283548800. SIMBAD. wikidata.org.
[10] ↑ Q81758475 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.688'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81758475 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.504'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81758475 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.958'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81758475 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.329'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81758475 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.730'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81758475 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.194'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81758475 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.802'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81758475 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.213'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q81758475 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.0051'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81758475 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.6220'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81758475 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+3'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81758475 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+276.0906'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81758475 — SIMBAD ID (P3083): 2MASS J00390320-0017386. wikidata.org.
[23] ↑ Q81758475 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.76341017424440'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81758475 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.29407943006640'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81758475 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81758475 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-1.805'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81758475 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). Q81758475. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81758475

MLA “Q81758475.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81758475.

BibTeX

@misc{4ortxyz_q81758475_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81758475}}, year = {2026}, url = {https://4ort.xyz/entity/q81758475}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81758475 — https://4ort.xyz/entity/q81758475 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81758475 · Last refreshed: May 7, 2026