Q81756918

low-mass star in the constellation Cetus

Thing low_mass_star Q81756918

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Q81756918

Summary

Q81756918 is a low-mass star^[1].

Key Facts

Q81756918's instance of is recorded as low-mass star^[2].
Q81756918's constellation is recorded as Cetus^[3].
Q81756918's spectral class is recorded as M0V^[4].
Q81756918's catalog code is recorded as 2MASS J00491702-0045057^[5].
Q81756918's catalog code is recorded as SDSS J004917.03-004505.5^[6].
Q81756918's catalog code is recorded as Gaia DR2 2536726432273936896^[7].
Q81756918's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.485'}^[8].
Q81756918's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.016'}^[9].
Q81756918's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.788'}^[10].
Q81756918's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.931'}^[11].
Q81756918's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.144'}^[12].
Q81756918's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.225'}^[13].
Q81756918's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.593'}^[14].
Q81756918's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.90'}^[15].
Q81756918's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.7776'}^[16].
Q81756918's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.6597'}^[17].
Q81756918's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-21'}^[18].
Q81756918's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1796.8'}^[19].
Q81756918's SIMBAD ID is recorded as 2MASS J00491702-0045057^[20].
Q81756918's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+12.32095792099250'}^[21].
Q81756918's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.75152801999110'}^[22].
Q81756918's epoch is recorded as J2000.0^[23].
Q81756918's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-5.696'}^[24].
Q81756918's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+8.904'}^[25].
Q81756918's Gaia ID is recorded as 2536726432273936896^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +22.485, unit: 1, amount: +20.016, unit: 1, amount: +18.788, unit: 1, amount: +17.931, unit: 1, amount: +16.144, unit: 1, amount: +18.225, unit: 1, amount: +16.593, unit: 1, amount: +15.90, unit: 1, amount: +18.7776

Catalog code 2MASS J00491702-0045057, SDSS J004917.03-004505.5, Gaia DR2 2536726432273936896

Constellation Cetus

Declination unit: www.wikidata.org, amount: -0.75152801999110

Declination component of proper motion unit: www.wikidata.org, amount: -5.696

Distance from earth unit: www.wikidata.org, amount: +1796.8

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.6597

Radial velocity unit: www.wikidata.org, amount: -21

Right ascension unit: www.wikidata.org, amount: +12.32095792099250

Right ascension component of proper motion unit: www.wikidata.org, amount: +8.904

Spectral class M0V

External References (2)

Gaia id 2536726432273936896

Simbad id 2MASS J00491702-0045057

References

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

Direct Wikidata claims

[2] ↑ Q81756918 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81756918 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81756918 — spectral class (P215): M0V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81756918 — catalog code (P528): 2MASS J00491702-0045057. SIMBAD. wikidata.org.
[6] ↑ Q81756918 — catalog code (P528): SDSS J004917.03-004505.5. SIMBAD. wikidata.org.
[7] ↑ Q81756918 — catalog code (P528): Gaia DR2 2536726432273936896. SIMBAD. wikidata.org.
[8] ↑ Q81756918 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.485'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[9] ↑ Q81756918 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.016'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81756918 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.788'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81756918 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.931'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81756918 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.144'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q81756918 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.225'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[14] ↑ Q81756918 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.593'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81756918 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.90'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81756918 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.7776'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q81756918 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.6597'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81756918 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-21'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[19] ↑ Q81756918 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1796.8'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81756918 — SIMBAD ID (P3083): 2MASS J00491702-0045057. wikidata.org.
[21] ↑ Q81756918 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+12.32095792099250'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81756918 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.75152801999110'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81756918 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81756918 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-5.696'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81756918 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+8.904'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81756918 — Gaia ID (P13228): 2536726432273936896. wikidata.org.

Class ancestry

[1] ↑ Q81756918 is an instance of low-mass star (Q12795622) [P31, primary]. Wikidata. wikidata.org.

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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). Q81756918. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81756918

MLA “Q81756918.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81756918.

BibTeX

@misc{4ortxyz_q81756918_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81756918}}, year = {2026}, url = {https://4ort.xyz/entity/q81756918}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81756918 — https://4ort.xyz/entity/q81756918 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81756918 · Last refreshed: May 7, 2026