Q81941209

low-mass star in the constellation Eridanus

Thing low_mass_star Q81941209

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Q81941209

Summary

Q81941209 is a low-mass star^[1].

Key Facts

Q81941209's instance of is recorded as low-mass star^[2].
Q81941209's constellation is recorded as Eridanus^[3].
Q81941209's spectral class is recorded as M7V^[4].
Q81941209's catalog code is recorded as 2MASS J03390938-0716537^[5].
Q81941209's catalog code is recorded as SDSS J033909.38-071653.7^[6].
Q81941209's catalog code is recorded as SDSS J033909.39-071653.7^[7].
Q81941209's catalog code is recorded as Gaia DR2 3243857338309893504^[8].
Q81941209's redshift is recorded as {'unit': '1', 'amount': '+0.00000'}^[9].
Q81941209's apparent magnitude is recorded as {'unit': '1', 'amount': '+25.278'}^[10].
Q81941209's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.582'}^[11].
Q81941209's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.199'}^[12].
Q81941209's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.977'}^[13].
Q81941209's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.663'}^[14].
Q81941209's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.005'}^[15].
Q81941209's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.322'}^[16].
Q81941209's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.027'}^[17].
Q81941209's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.8157'}^[18].
Q81941209's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+6.2084'}^[19].
Q81941209's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+49'}^[20].
Q81941209's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+161.0721'}^[21].
Q81941209's SIMBAD ID is recorded as 2MASS J03390938-0716537^[22].
Q81941209's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+54.78909460478080'}^[23].
Q81941209's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-7.28159043032080'}^[24].
Q81941209's epoch is recorded as J2000.0^[25].
Q81941209's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+17.777'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +25.278, unit: 1, amount: +22.582, unit: 1, amount: +21.199, unit: 1, amount: +18.977, unit: 1, amount: +17.663, unit: 1, amount: +16.005, unit: 1, amount: +15.322, unit: 1, amount: +15.027, unit: 1, amount: +19.8157

Catalog code 2MASS J03390938-0716537, SDSS J033909.38-071653.7, SDSS J033909.39-071653.7, Gaia DR2 3243857338309893504

Constellation Eridanus

Declination unit: www.wikidata.org, amount: -7.28159043032080

Declination component of proper motion unit: www.wikidata.org, amount: +17.777

Distance from earth unit: www.wikidata.org, amount: +161.0721

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +6.2084

Radial velocity unit: www.wikidata.org, amount: +49

Redshift unit: 1, amount: +0.00000

Right ascension unit: www.wikidata.org, amount: +54.78909460478080

Right ascension component of proper motion unit: www.wikidata.org, amount: +8.404

Spectral class M7V

External References (2)

Gaia id 3243857338309893504

Simbad id 2MASS J03390938-0716537

References

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

Direct Wikidata claims

[2] ↑ Q81941209 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81941209 — constellation (P59): Eridanus. wikidata.org.
[4] ↑ Q81941209 — spectral class (P215): M7V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81941209 — catalog code (P528): 2MASS J03390938-0716537. SIMBAD. wikidata.org.
[6] ↑ Q81941209 — catalog code (P528): SDSS J033909.38-071653.7. SIMBAD. wikidata.org.
[7] ↑ Q81941209 — catalog code (P528): SDSS J033909.39-071653.7. SIMBAD. wikidata.org.
[8] ↑ Q81941209 — catalog code (P528): Gaia DR2 3243857338309893504. SIMBAD. wikidata.org.
[9] ↑ Q81941209 — redshift (P1090): {'unit': '1', 'amount': '+0.00000'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q81941209 — apparent magnitude (P1215): {'unit': '1', 'amount': '+25.278'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81941209 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.582'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81941209 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.199'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81941209 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.977'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81941209 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.663'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81941209 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.005'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81941209 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.322'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81941209 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.027'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81941209 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.8157'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81941209 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+6.2084'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81941209 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+49'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81941209 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+161.0721'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81941209 — SIMBAD ID (P3083): 2MASS J03390938-0716537. wikidata.org.
[23] ↑ Q81941209 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+54.78909460478080'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81941209 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-7.28159043032080'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81941209 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81941209 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+17.777'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81941209 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). Q81941209. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81941209

MLA “Q81941209.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81941209.

BibTeX

@misc{4ortxyz_q81941209_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81941209}}, year = {2026}, url = {https://4ort.xyz/entity/q81941209}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81941209 — https://4ort.xyz/entity/q81941209 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81941209 · Last refreshed: May 7, 2026