Q81764743

low-mass star in the constellation Cetus

Thing low_mass_star Q81764743

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Q81764743

Summary

Q81764743 is a low-mass star^[1].

Key Facts

Q81764743's instance of is recorded as low-mass star^[2].
Q81764743's constellation is recorded as Cetus^[3].
Q81764743's spectral class is recorded as M1V^[4].
Q81764743's catalog code is recorded as 2MASS J00395340-0039231^[5].
Q81764743's catalog code is recorded as SDSS J003953.41-003922.8^[6].
Q81764743's catalog code is recorded as SDSS J003953.41-003922.9^[7].
Q81764743's catalog code is recorded as Gaia DR2 2542899227990827520^[8].
Q81764743's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.460'}^[9].
Q81764743's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.632'}^[10].
Q81764743's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.997'}^[11].
Q81764743's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.890'}^[12].
Q81764743's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.277'}^[13].
Q81764743's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.786'}^[14].
Q81764743's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.903'}^[15].
Q81764743's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.60'}^[16].
Q81764743's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.8975'}^[17].
Q81764743's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.1897'}^[18].
Q81764743's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-37'}^[19].
Q81764743's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1371.9'}^[20].
Q81764743's SIMBAD ID is recorded as 2MASS J00395340-0039231^[21].
Q81764743's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.97256141816460'}^[22].
Q81764743's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.65633528079700'}^[23].
Q81764743's epoch is recorded as J2000.0^[24].
Q81764743's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-8.255'}^[25].
Q81764743's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1.096'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.460, unit: 1, amount: +20.632, unit: 1, amount: +18.997, unit: 1, amount: +17.890, unit: 1, amount: +18.277, unit: 1, amount: +16.786, unit: 1, amount: +15.903, unit: 1, amount: +15.60, unit: 1, amount: +18.8975

Catalog code 2MASS J00395340-0039231, SDSS J003953.41-003922.8, SDSS J003953.41-003922.9, Gaia DR2 2542899227990827520

Constellation Cetus

Declination unit: www.wikidata.org, amount: -0.65633528079700

Declination component of proper motion unit: www.wikidata.org, amount: -8.255

Distance from earth unit: www.wikidata.org, amount: +1371.9

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.1897

Radial velocity unit: www.wikidata.org, amount: -37

Right ascension unit: www.wikidata.org, amount: +9.97256141816460

Right ascension component of proper motion unit: www.wikidata.org, amount: +1.096

Spectral class M1V

External References (2)

Gaia id 2542899227990827520

Simbad id 2MASS J00395340-0039231

References

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

Direct Wikidata claims

[2] ↑ Q81764743 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81764743 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81764743 — spectral class (P215): M1V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81764743 — catalog code (P528): 2MASS J00395340-0039231. SIMBAD. wikidata.org.
[6] ↑ Q81764743 — catalog code (P528): SDSS J003953.41-003922.8. SIMBAD. wikidata.org.
[7] ↑ Q81764743 — catalog code (P528): SDSS J003953.41-003922.9. SIMBAD. wikidata.org.
[8] ↑ Q81764743 — catalog code (P528): Gaia DR2 2542899227990827520. SIMBAD. wikidata.org.
[9] ↑ Q81764743 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.460'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81764743 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.632'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81764743 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.997'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81764743 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.890'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81764743 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.277'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[14] ↑ Q81764743 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.786'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81764743 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.903'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81764743 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.60'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81764743 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.8975'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81764743 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.1897'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81764743 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-37'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81764743 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1371.9'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81764743 — SIMBAD ID (P3083): 2MASS J00395340-0039231. wikidata.org.
[22] ↑ Q81764743 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.97256141816460'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81764743 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.65633528079700'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81764743 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81764743 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-8.255'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81764743 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1.096'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81764743 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). Q81764743. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81764743

MLA “Q81764743.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81764743.

BibTeX

@misc{4ortxyz_q81764743_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81764743}}, year = {2026}, url = {https://4ort.xyz/entity/q81764743}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81764743 — https://4ort.xyz/entity/q81764743 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81764743 · Last refreshed: May 7, 2026