Q81761319

low-mass star in the constellation Cetus

Thing low_mass_star Q81761319

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Q81761319

Summary

Q81761319 is a low-mass star^[1].

Key Facts

Q81761319's instance of is recorded as low-mass star^[2].
Q81761319's constellation is recorded as Cetus^[3].
Q81761319's spectral class is recorded as M2V^[4].
Q81761319's catalog code is recorded as 2MASS J00313061-0008475^[5].
Q81761319's catalog code is recorded as SDSS J003130.62-000847.7^[6].
Q81761319's catalog code is recorded as SDSS J003130.63-000847.8^[7].
Q81761319's catalog code is recorded as Gaia DR2 2543577970262568064^[8].
Q81761319's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.611'}^[9].
Q81761319's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.895'}^[10].
Q81761319's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.865'}^[11].
Q81761319's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.600'}^[12].
Q81761319's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.018'}^[13].
Q81761319's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.721'}^[14].
Q81761319's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.393'}^[15].
Q81761319's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.424'}^[16].
Q81761319's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.1532'}^[17].
Q81761319's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.1446'}^[18].
Q81761319's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+24'}^[19].
Q81761319's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+466.2874'}^[20].
Q81761319's SIMBAD ID is recorded as 2MASS J00313061-0008475^[21].
Q81761319's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.87761025219590'}^[22].
Q81761319's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.14658255337210'}^[23].
Q81761319's epoch is recorded as J2000.0^[24].
Q81761319's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-8.809'}^[25].
Q81761319's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+0.025'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +22.611, unit: 1, amount: +19.895, unit: 1, amount: +16.865, unit: 1, amount: +15.600, unit: 1, amount: +15.018, unit: 1, amount: +14.721, unit: 1, amount: +18.393, unit: 1, amount: +17.424, unit: 1, amount: +18.1532

Catalog code 2MASS J00313061-0008475, SDSS J003130.62-000847.7, SDSS J003130.63-000847.8, Gaia DR2 2543577970262568064

Constellation Cetus

Declination unit: www.wikidata.org, amount: -0.14658255337210

Declination component of proper motion unit: www.wikidata.org, amount: -8.809

Distance from earth unit: www.wikidata.org, amount: +466.2874

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.1446

Radial velocity unit: www.wikidata.org, amount: +24

Right ascension unit: www.wikidata.org, amount: +7.87761025219590

Right ascension component of proper motion unit: www.wikidata.org, amount: +0.025

Spectral class M2V

External References (2)

Gaia id 2543577970262568064

Simbad id 2MASS J00313061-0008475

References

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

Direct Wikidata claims

[2] ↑ Q81761319 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81761319 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81761319 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81761319 — catalog code (P528): 2MASS J00313061-0008475. SIMBAD. wikidata.org.
[6] ↑ Q81761319 — catalog code (P528): SDSS J003130.62-000847.7. SIMBAD. wikidata.org.
[7] ↑ Q81761319 — catalog code (P528): SDSS J003130.63-000847.8. SIMBAD. wikidata.org.
[8] ↑ Q81761319 — catalog code (P528): Gaia DR2 2543577970262568064. SIMBAD. wikidata.org.
[9] ↑ Q81761319 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.611'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81761319 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.895'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81761319 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.865'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81761319 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.600'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q81761319 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.018'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81761319 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.721'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81761319 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.393'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q81761319 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.424'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q81761319 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.1532'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81761319 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.1446'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81761319 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+24'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81761319 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+466.2874'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81761319 — SIMBAD ID (P3083): 2MASS J00313061-0008475. wikidata.org.
[22] ↑ Q81761319 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.87761025219590'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81761319 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.14658255337210'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81761319 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81761319 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-8.809'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81761319 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+0.025'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81761319 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). Q81761319. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81761319

MLA “Q81761319.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81761319.

BibTeX

@misc{4ortxyz_q81761319_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81761319}}, year = {2026}, url = {https://4ort.xyz/entity/q81761319}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81761319 — https://4ort.xyz/entity/q81761319 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81761319 · Last refreshed: May 7, 2026