Q81755840

low-mass star in the constellation Cetus

Thing low_mass_star Q81755840

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Q81755840

Summary

Q81755840 is a low-mass star^[1].

Key Facts

Q81755840's instance of is recorded as low-mass star^[2].
Q81755840's constellation is recorded as Cetus^[3].
Q81755840's spectral class is recorded as M4V^[4].
Q81755840's catalog code is recorded as 2MASS J03160187+0019379^[5].
Q81755840's catalog code is recorded as SDSS J031601.90+001937.9^[6].
Q81755840's catalog code is recorded as SDSS J031601.90+001938.0^[7].
Q81755840's catalog code is recorded as Gaia DR2 3266117947646666880^[8].
Q81755840's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.882'}^[9].
Q81755840's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.574'}^[10].
Q81755840's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.945'}^[11].
Q81755840's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.453'}^[12].
Q81755840's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.653'}^[13].
Q81755840's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.811'}^[14].
Q81755840's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.061'}^[15].
Q81755840's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.37'}^[16].
Q81755840's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.2614'}^[17].
Q81755840's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.2066'}^[18].
Q81755840's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-19'}^[19].
Q81755840's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+398.2'}^[20].
Q81755840's SIMBAD ID is recorded as 2MASS J03160187+0019379^[21].
Q81755840's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+49.00792565946790'}^[22].
Q81755840's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.32721373254560'}^[23].
Q81755840's epoch is recorded as J2000.0^[24].
Q81755840's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-4.722'}^[25].
Q81755840's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+9.228'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +24.882, unit: 1, amount: +21.574, unit: 1, amount: +19.945, unit: 1, amount: +18.453, unit: 1, amount: +17.653, unit: 1, amount: +15.811, unit: 1, amount: +16.061, unit: 1, amount: +15.37, unit: 1, amount: +19.2614

Catalog code 2MASS J03160187+0019379, SDSS J031601.90+001937.9, SDSS J031601.90+001938.0, Gaia DR2 3266117947646666880

Constellation Cetus

Declination unit: www.wikidata.org, amount: +0.32721373254560

Declination component of proper motion unit: www.wikidata.org, amount: -4.722

Distance from earth unit: www.wikidata.org, amount: +398.2

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +3.2066

Radial velocity unit: www.wikidata.org, amount: -19

Right ascension unit: www.wikidata.org, amount: +49.00792565946790

Right ascension component of proper motion unit: www.wikidata.org, amount: +9.228

Spectral class M4V

External References (2)

Gaia id 3266117947646666880

Simbad id 2MASS J03160187+0019379

References

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

Direct Wikidata claims

[2] ↑ Q81755840 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81755840 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81755840 — spectral class (P215): M4V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81755840 — catalog code (P528): 2MASS J03160187+0019379. SIMBAD. wikidata.org.
[6] ↑ Q81755840 — catalog code (P528): SDSS J031601.90+001937.9. SIMBAD. wikidata.org.
[7] ↑ Q81755840 — catalog code (P528): SDSS J031601.90+001938.0. SIMBAD. wikidata.org.
[8] ↑ Q81755840 — catalog code (P528): Gaia DR2 3266117947646666880. SIMBAD. wikidata.org.
[9] ↑ Q81755840 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.882'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81755840 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.574'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81755840 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.945'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81755840 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.453'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81755840 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.653'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81755840 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.811'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81755840 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.061'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81755840 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.37'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81755840 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.2614'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81755840 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.2066'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81755840 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-19'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81755840 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+398.2'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81755840 — SIMBAD ID (P3083): 2MASS J03160187+0019379. wikidata.org.
[22] ↑ Q81755840 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+49.00792565946790'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81755840 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.32721373254560'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81755840 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81755840 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-4.722'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81755840 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+9.228'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81755840 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). Q81755840. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81755840

MLA “Q81755840.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81755840.

BibTeX

@misc{4ortxyz_q81755840_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81755840}}, year = {2026}, url = {https://4ort.xyz/entity/q81755840}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81755840 — https://4ort.xyz/entity/q81755840 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81755840 · Last refreshed: May 7, 2026