Q81764550

low-mass star in the constellation Cetus

Thing low_mass_star Q81764550

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Q81764550

Summary

Q81764550 is a low-mass star^[1].

Key Facts

Q81764550's instance of is recorded as low-mass star^[2].
Q81764550's constellation is recorded as Cetus^[3].
Q81764550's spectral class is recorded as M3V^[4].
Q81764550's catalog code is recorded as 2MASS J00390644+0002177^[5].
Q81764550's catalog code is recorded as SDSS J003906.45+000217.7^[6].
Q81764550's catalog code is recorded as Gaia DR2 2543174483855184768^[7].
Q81764550's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.278'}^[8].
Q81764550's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.362'}^[9].
Q81764550's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.987'}^[10].
Q81764550's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.384'}^[11].
Q81764550's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.094'}^[12].
Q81764550's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.453'}^[13].
Q81764550's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.903'}^[14].
Q81764550's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.320'}^[15].
Q81764550's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.6411'}^[16].
Q81764550's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.6930'}^[17].
Q81764550's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-24'}^[18].
Q81764550's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+641.7'}^[19].
Q81764550's SIMBAD ID is recorded as 2MASS J00390644+0002177^[20].
Q81764550's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.77686583285290'}^[21].
Q81764550's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.03826151413950'}^[22].
Q81764550's epoch is recorded as J2000.0^[23].
Q81764550's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-8.170'}^[24].
Q81764550's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+14.668'}^[25].
Q81764550's Gaia ID is recorded as 2543174483855184768^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +24.278, unit: 1, amount: +20.362, unit: 1, amount: +18.987, unit: 1, amount: +17.384, unit: 1, amount: +16.094, unit: 1, amount: +15.453, unit: 1, amount: +17.903, unit: 1, amount: +15.320, unit: 1, amount: +18.6411

Catalog code 2MASS J00390644+0002177, SDSS J003906.45+000217.7, Gaia DR2 2543174483855184768

Constellation Cetus

Declination unit: www.wikidata.org, amount: +0.03826151413950

Declination component of proper motion unit: www.wikidata.org, amount: -8.170

Distance from earth unit: www.wikidata.org, amount: +641.7

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.6930

Radial velocity unit: www.wikidata.org, amount: -24

Right ascension unit: www.wikidata.org, amount: +9.77686583285290

Right ascension component of proper motion unit: www.wikidata.org, amount: +14.668

Spectral class M3V

External References (2)

Gaia id 2543174483855184768

Simbad id 2MASS J00390644+0002177

References

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

Direct Wikidata claims

[2] ↑ Q81764550 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81764550 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81764550 — spectral class (P215): M3V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81764550 — catalog code (P528): 2MASS J00390644+0002177. SIMBAD. wikidata.org.
[6] ↑ Q81764550 — catalog code (P528): SDSS J003906.45+000217.7. SIMBAD. wikidata.org.
[7] ↑ Q81764550 — catalog code (P528): Gaia DR2 2543174483855184768. SIMBAD. wikidata.org.
[8] ↑ Q81764550 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.278'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[9] ↑ Q81764550 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.362'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81764550 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.987'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81764550 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.384'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81764550 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.094'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q81764550 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.453'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81764550 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.903'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[15] ↑ Q81764550 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.320'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81764550 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.6411'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q81764550 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.6930'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81764550 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-24'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[19] ↑ Q81764550 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+641.7'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81764550 — SIMBAD ID (P3083): 2MASS J00390644+0002177. wikidata.org.
[21] ↑ Q81764550 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.77686583285290'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81764550 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.03826151413950'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81764550 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81764550 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-8.170'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81764550 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+14.668'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81764550 — Gaia ID (P13228): 2543174483855184768. wikidata.org.

Class ancestry

[1] ↑ Q81764550 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). Q81764550. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81764550

MLA “Q81764550.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81764550.

BibTeX

@misc{4ortxyz_q81764550_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81764550}}, year = {2026}, url = {https://4ort.xyz/entity/q81764550}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81764550 — https://4ort.xyz/entity/q81764550 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81764550 · Last refreshed: May 7, 2026