Q81758520

low-mass star in the constellation Cetus

Thing low_mass_star Q81758520

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Q81758520

Summary

Q81758520 is a low-mass star^[1].

Key Facts

Q81758520's instance of is recorded as low-mass star^[2].
Q81758520's constellation is recorded as Cetus^[3].
Q81758520's spectral class is recorded as M3V^[4].
Q81758520's catalog code is recorded as 2MASS J02051277+0011581^[5].
Q81758520's catalog code is recorded as SDSS J020512.77+001158.3^[6].
Q81758520's catalog code is recorded as SDSS J020512.77+001158.4^[7].
Q81758520's catalog code is recorded as Gaia DR2 2507201418331984512^[8].
Q81758520's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.303'}^[9].
Q81758520's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.974'}^[10].
Q81758520's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.426'}^[11].
Q81758520's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.847'}^[12].
Q81758520's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.375'}^[13].
Q81758520's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.462'}^[14].
Q81758520's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.775'}^[15].
Q81758520's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.58'}^[16].
Q81758520's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.1134'}^[17].
Q81758520's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.9615'}^[18].
Q81758520's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+40'}^[19].
Q81758520's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+846.7'}^[20].
Q81758520's SIMBAD ID is recorded as 2MASS J02051277+0011581^[21].
Q81758520's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+31.30323030798360'}^[22].
Q81758520's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.19954831697870'}^[23].
Q81758520's epoch is recorded as J2000.0^[24].
Q81758520's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-3.468'}^[25].
Q81758520's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+15.753'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.303, unit: 1, amount: +20.974, unit: 1, amount: +19.426, unit: 1, amount: +17.847, unit: 1, amount: +18.375, unit: 1, amount: +16.462, unit: 1, amount: +15.775, unit: 1, amount: +15.58, unit: 1, amount: +19.1134

Catalog code 2MASS J02051277+0011581, SDSS J020512.77+001158.3, SDSS J020512.77+001158.4, Gaia DR2 2507201418331984512

Constellation Cetus

Declination unit: www.wikidata.org, amount: +0.19954831697870

Declination component of proper motion unit: www.wikidata.org, amount: -3.468

Distance from earth unit: www.wikidata.org, amount: +846.7

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.9615

Radial velocity unit: www.wikidata.org, amount: +40

Right ascension unit: www.wikidata.org, amount: +31.30323030798360

Right ascension component of proper motion unit: www.wikidata.org, amount: +15.753

Spectral class M3V

External References (2)

Gaia id 2507201418331984512

Simbad id 2MASS J02051277+0011581

References

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

Direct Wikidata claims

[2] ↑ Q81758520 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81758520 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81758520 — spectral class (P215): M3V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81758520 — catalog code (P528): 2MASS J02051277+0011581. SIMBAD. wikidata.org.
[6] ↑ Q81758520 — catalog code (P528): SDSS J020512.77+001158.3. SIMBAD. wikidata.org.
[7] ↑ Q81758520 — catalog code (P528): SDSS J020512.77+001158.4. SIMBAD. wikidata.org.
[8] ↑ Q81758520 — catalog code (P528): Gaia DR2 2507201418331984512. SIMBAD. wikidata.org.
[9] ↑ Q81758520 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.303'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81758520 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.974'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81758520 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.426'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81758520 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.847'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81758520 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.375'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[14] ↑ Q81758520 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.462'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81758520 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.775'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81758520 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.58'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81758520 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.1134'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81758520 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.9615'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81758520 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+40'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81758520 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+846.7'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81758520 — SIMBAD ID (P3083): 2MASS J02051277+0011581. wikidata.org.
[22] ↑ Q81758520 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+31.30323030798360'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81758520 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.19954831697870'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81758520 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81758520 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-3.468'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81758520 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+15.753'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81758520 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). Q81758520. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81758520

MLA “Q81758520.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81758520.

BibTeX

@misc{4ortxyz_q81758520_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81758520}}, year = {2026}, url = {https://4ort.xyz/entity/q81758520}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81758520 — https://4ort.xyz/entity/q81758520 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81758520 · Last refreshed: May 7, 2026