Q81765522

low-mass star in the constellation Eridanus

Thing low_mass_star Q81765522

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Q81765522

Summary

Q81765522 is a low-mass star^[1].

Key Facts

Q81765522's instance of is recorded as low-mass star^[2].
Q81765522's constellation is recorded as Eridanus^[3].
Q81765522's spectral class is recorded as M7V^[4].
Q81765522's catalog code is recorded as 2MASS J03071238-0820099^[5].
Q81765522's catalog code is recorded as SDSS J030712.38-082009.9^[6].
Q81765522's catalog code is recorded as SDSS J030712.39-082009.9^[7].
Q81765522's catalog code is recorded as Gaia DR2 5167696404210478464^[8].
Q81765522's redshift is recorded as {'unit': '1', 'amount': '-0.00012'}^[9].
Q81765522's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.670'}^[10].
Q81765522's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.711'}^[11].
Q81765522's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.232'}^[12].
Q81765522's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.148'}^[13].
Q81765522's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.001'}^[14].
Q81765522's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.455'}^[15].
Q81765522's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.554'}^[16].
Q81765522's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.19'}^[17].
Q81765522's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.9370'}^[18].
Q81765522's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.8569'}^[19].
Q81765522's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+6'}^[20].
Q81765522's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+193.7'}^[21].
Q81765522's SIMBAD ID is recorded as 2MASS J03071238-0820099^[22].
Q81765522's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+46.80160625021770'}^[23].
Q81765522's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-8.33604567008330'}^[24].
Q81765522's epoch is recorded as J2000.0^[25].
Q81765522's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-20.096'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.670, unit: 1, amount: +22.711, unit: 1, amount: +21.232, unit: 1, amount: +19.148, unit: 1, amount: +18.001, unit: 1, amount: +16.455, unit: 1, amount: +15.554, unit: 1, amount: +15.19, unit: 1, amount: +19.9370

Catalog code 2MASS J03071238-0820099, SDSS J030712.38-082009.9, SDSS J030712.39-082009.9, Gaia DR2 5167696404210478464

Constellation Eridanus

Declination unit: www.wikidata.org, amount: -8.33604567008330

Declination component of proper motion unit: www.wikidata.org, amount: -20.096

Distance from earth unit: www.wikidata.org, amount: +193.7

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +4.8569

Radial velocity unit: www.wikidata.org, amount: +6

Redshift unit: 1, amount: -0.00012

Right ascension unit: www.wikidata.org, amount: +46.80160625021770

Right ascension component of proper motion unit: www.wikidata.org, amount: +26.201

Spectral class M7V

External References (2)

Gaia id 5167696404210478464

Simbad id 2MASS J03071238-0820099

References

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

Direct Wikidata claims

[2] ↑ Q81765522 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81765522 — constellation (P59): Eridanus. wikidata.org.
[4] ↑ Q81765522 — spectral class (P215): M7V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81765522 — catalog code (P528): 2MASS J03071238-0820099. SIMBAD. wikidata.org.
[6] ↑ Q81765522 — catalog code (P528): SDSS J030712.38-082009.9. SIMBAD. wikidata.org.
[7] ↑ Q81765522 — catalog code (P528): SDSS J030712.39-082009.9. SIMBAD. wikidata.org.
[8] ↑ Q81765522 — catalog code (P528): Gaia DR2 5167696404210478464. SIMBAD. wikidata.org.
[9] ↑ Q81765522 — redshift (P1090): {'unit': '1', 'amount': '-0.00012'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q81765522 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.670'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81765522 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.711'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81765522 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.232'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81765522 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.148'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81765522 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.001'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81765522 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.455'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81765522 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.554'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81765522 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.19'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81765522 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.9370'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81765522 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.8569'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81765522 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+6'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81765522 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+193.7'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81765522 — SIMBAD ID (P3083): 2MASS J03071238-0820099. wikidata.org.
[23] ↑ Q81765522 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+46.80160625021770'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81765522 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-8.33604567008330'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81765522 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81765522 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-20.096'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81765522 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). Q81765522. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81765522

MLA “Q81765522.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81765522.

BibTeX

@misc{4ortxyz_q81765522_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81765522}}, year = {2026}, url = {https://4ort.xyz/entity/q81765522}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81765522 — https://4ort.xyz/entity/q81765522 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81765522 · Last refreshed: May 7, 2026