Q81757019

low-mass star in the constellation Cetus

Thing low_mass_star Q81757019

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Q81757019

Summary

Q81757019 is a low-mass star^[1].

Key Facts

Q81757019's instance of is recorded as low-mass star^[2].
Q81757019's constellation is recorded as Cetus^[3].
Q81757019's spectral class is recorded as M2V^[4].
Q81757019's catalog code is recorded as 2MASS J03040619+0101387^[5].
Q81757019's catalog code is recorded as SDSS J030406.19+010138.8^[6].
Q81757019's catalog code is recorded as SDSS J030406.20+010138.8^[7].
Q81757019's catalog code is recorded as Gaia DR2 180904022579584^[8].
Q81757019's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.499'}^[9].
Q81757019's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.075'}^[10].
Q81757019's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.483'}^[11].
Q81757019's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.448'}^[12].
Q81757019's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.905'}^[13].
Q81757019's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.501'}^[14].
Q81757019's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.880'}^[15].
Q81757019's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.72'}^[16].
Q81757019's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.2048'}^[17].
Q81757019's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.2380'}^[18].
Q81757019's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+88'}^[19].
Q81757019's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+880.5'}^[20].
Q81757019's SIMBAD ID is recorded as 2MASS J03040619+0101387^[21].
Q81757019's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+46.02582058515850'}^[22].
Q81757019's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.02743434443320'}^[23].
Q81757019's epoch is recorded as J2000.0^[24].
Q81757019's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+2.225'}^[25].
Q81757019's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+2.794'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.499, unit: 1, amount: +21.075, unit: 1, amount: +19.483, unit: 1, amount: +18.448, unit: 1, amount: +17.905, unit: 1, amount: +16.501, unit: 1, amount: +15.880, unit: 1, amount: +15.72, unit: 1, amount: +19.2048

Catalog code 2MASS J03040619+0101387, SDSS J030406.19+010138.8, SDSS J030406.20+010138.8, Gaia DR2 180904022579584

Constellation Cetus

Declination unit: www.wikidata.org, amount: +1.02743434443320

Declination component of proper motion unit: www.wikidata.org, amount: +2.225

Distance from earth unit: www.wikidata.org, amount: +880.5

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.2380

Radial velocity unit: www.wikidata.org, amount: +88

Right ascension unit: www.wikidata.org, amount: +46.02582058515850

Right ascension component of proper motion unit: www.wikidata.org, amount: +2.794

Spectral class M2V

External References (2)

Gaia id 180904022579584

Simbad id 2MASS J03040619+0101387

References

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

Direct Wikidata claims

[2] ↑ Q81757019 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81757019 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81757019 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81757019 — catalog code (P528): 2MASS J03040619+0101387. SIMBAD. wikidata.org.
[6] ↑ Q81757019 — catalog code (P528): SDSS J030406.19+010138.8. SIMBAD. wikidata.org.
[7] ↑ Q81757019 — catalog code (P528): SDSS J030406.20+010138.8. SIMBAD. wikidata.org.
[8] ↑ Q81757019 — catalog code (P528): Gaia DR2 180904022579584. SIMBAD. wikidata.org.
[9] ↑ Q81757019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.499'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81757019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.075'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81757019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.483'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81757019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.448'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81757019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.905'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81757019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.501'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81757019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.880'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81757019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.72'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81757019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.2048'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81757019 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.2380'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81757019 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+88'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81757019 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+880.5'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81757019 — SIMBAD ID (P3083): 2MASS J03040619+0101387. wikidata.org.
[22] ↑ Q81757019 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+46.02582058515850'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81757019 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.02743434443320'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81757019 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81757019 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+2.225'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81757019 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+2.794'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81757019 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). Q81757019. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81757019

MLA “Q81757019.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81757019.

BibTeX

@misc{4ortxyz_q81757019_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81757019}}, year = {2026}, url = {https://4ort.xyz/entity/q81757019}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81757019 — https://4ort.xyz/entity/q81757019 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81757019 · Last refreshed: May 7, 2026