Q81761984

low-mass star in the constellation Cetus

Thing low_mass_star Q81761984

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Q81761984

Summary

Q81761984 is a low-mass star^[1].

Key Facts

Q81761984's instance of is recorded as low-mass star^[2].
Q81761984's constellation is recorded as Cetus^[3].
Q81761984's spectral class is recorded as M2V^[4].
Q81761984's catalog code is recorded as 2MASS J00393773+0003302^[5].
Q81761984's catalog code is recorded as SDSS J003937.73+000330.5^[6].
Q81761984's catalog code is recorded as Gaia DR2 2543267839263911936^[7].
Q81761984's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.522'}^[8].
Q81761984's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.417'}^[9].
Q81761984's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.073'}^[10].
Q81761984's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.731'}^[11].
Q81761984's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.671'}^[12].
Q81761984's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.957'}^[13].
Q81761984's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.170'}^[14].
Q81761984's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.69'}^[15].
Q81761984's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.8385'}^[16].
Q81761984's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.4364'}^[17].
Q81761984's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+48'}^[18].
Q81761984's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+953.3'}^[19].
Q81761984's SIMBAD ID is recorded as 2MASS J00393773+0003302^[20].
Q81761984's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.90720302503640'}^[21].
Q81761984's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.05845946991880'}^[22].
Q81761984's epoch is recorded as J2000.0^[23].
Q81761984's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1.266'}^[24].
Q81761984's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+44.831'}^[25].
Q81761984's Gaia ID is recorded as 2543267839263911936^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.522, unit: 1, amount: +20.417, unit: 1, amount: +19.073, unit: 1, amount: +17.731, unit: 1, amount: +16.671, unit: 1, amount: +15.957, unit: 1, amount: +18.170, unit: 1, amount: +15.69, unit: 1, amount: +18.8385

Catalog code 2MASS J00393773+0003302, SDSS J003937.73+000330.5, Gaia DR2 2543267839263911936

Constellation Cetus

Declination unit: www.wikidata.org, amount: +0.05845946991880

Declination component of proper motion unit: www.wikidata.org, amount: +1.266

Distance from earth unit: www.wikidata.org, amount: +953.3

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.4364

Radial velocity unit: www.wikidata.org, amount: +48

Right ascension unit: www.wikidata.org, amount: +9.90720302503640

Right ascension component of proper motion unit: www.wikidata.org, amount: +44.831

Spectral class M2V

External References (2)

Gaia id 2543267839263911936

Simbad id 2MASS J00393773+0003302

References

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

Direct Wikidata claims

[2] ↑ Q81761984 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81761984 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81761984 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81761984 — catalog code (P528): 2MASS J00393773+0003302. SIMBAD. wikidata.org.
[6] ↑ Q81761984 — catalog code (P528): SDSS J003937.73+000330.5. SIMBAD. wikidata.org.
[7] ↑ Q81761984 — catalog code (P528): Gaia DR2 2543267839263911936. SIMBAD. wikidata.org.
[8] ↑ Q81761984 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.522'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[9] ↑ Q81761984 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.417'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81761984 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.073'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81761984 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.731'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81761984 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.671'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q81761984 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.957'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81761984 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.170'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[15] ↑ Q81761984 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.69'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81761984 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.8385'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q81761984 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.4364'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81761984 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+48'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[19] ↑ Q81761984 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+953.3'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81761984 — SIMBAD ID (P3083): 2MASS J00393773+0003302. wikidata.org.
[21] ↑ Q81761984 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.90720302503640'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81761984 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.05845946991880'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81761984 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81761984 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1.266'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81761984 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+44.831'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81761984 — Gaia ID (P13228): 2543267839263911936. wikidata.org.

Class ancestry

[1] ↑ Q81761984 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). Q81761984. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81761984

MLA “Q81761984.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81761984.

BibTeX

@misc{4ortxyz_q81761984_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81761984}}, year = {2026}, url = {https://4ort.xyz/entity/q81761984}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81761984 — https://4ort.xyz/entity/q81761984 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81761984 · Last refreshed: May 7, 2026