Q81761879

low-mass star in the constellation Cetus

Thing low_mass_star Q81761879

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Q81761879

Summary

Q81761879 is a low-mass star^[1].

Key Facts

Q81761879's instance of is recorded as low-mass star^[2].
Q81761879's constellation is recorded as Cetus^[3].
Q81761879's spectral class is recorded as M2V^[4].
Q81761879's catalog code is recorded as 2MASS J01554377+0034227^[5].
Q81761879's catalog code is recorded as SDSS J015543.80+003422.9^[6].
Q81761879's catalog code is recorded as SDSS J015543.80+003422.8^[7].
Q81761879's catalog code is recorded as SDSS J015543.81+003422.9^[8].
Q81761879's catalog code is recorded as Gaia DR2 2507893904498536832^[9].
Q81761879's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.129'}^[10].
Q81761879's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.784'}^[11].
Q81761879's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.430'}^[12].
Q81761879's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.478'}^[13].
Q81761879's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.003'}^[14].
Q81761879's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.933'}^[15].
Q81761879's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.738'}^[16].
Q81761879's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.05'}^[17].
Q81761879's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.1977'}^[18].
Q81761879's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.7821'}^[19].
Q81761879's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-99'}^[20].
Q81761879's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1012.9'}^[21].
Q81761879's SIMBAD ID is recorded as 2MASS J01554377+0034227^[22].
Q81761879's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+28.93251275653570'}^[23].
Q81761879's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.57302734430940'}^[24].
Q81761879's epoch is recorded as J2000.0^[25].
Q81761879's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-2.308'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.129, unit: 1, amount: +20.784, unit: 1, amount: +19.430, unit: 1, amount: +18.478, unit: 1, amount: +18.003, unit: 1, amount: +15.933, unit: 1, amount: +16.738, unit: 1, amount: +16.05, unit: 1, amount: +19.1977

Catalog code 2MASS J01554377+0034227, SDSS J015543.80+003422.9, SDSS J015543.80+003422.8, SDSS J015543.81+003422.9, Gaia DR2 2507893904498536832

Constellation Cetus

Declination unit: www.wikidata.org, amount: +0.57302734430940

Declination component of proper motion unit: www.wikidata.org, amount: -2.308

Distance from earth unit: www.wikidata.org, amount: +1012.9

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.7821

Radial velocity unit: www.wikidata.org, amount: -99

Right ascension unit: www.wikidata.org, amount: +28.93251275653570

Right ascension component of proper motion unit: www.wikidata.org, amount: +2.121

Spectral class M2V

External References (2)

Gaia id 2507893904498536832

Simbad id 2MASS J01554377+0034227

References

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

Direct Wikidata claims

[2] ↑ Q81761879 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81761879 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81761879 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81761879 — catalog code (P528): 2MASS J01554377+0034227. SIMBAD. wikidata.org.
[6] ↑ Q81761879 — catalog code (P528): SDSS J015543.80+003422.9. SIMBAD. wikidata.org.
[7] ↑ Q81761879 — catalog code (P528): SDSS J015543.80+003422.8. SIMBAD. wikidata.org.
[8] ↑ Q81761879 — catalog code (P528): SDSS J015543.81+003422.9. SIMBAD. wikidata.org.
[9] ↑ Q81761879 — catalog code (P528): Gaia DR2 2507893904498536832. SIMBAD. wikidata.org.
[10] ↑ Q81761879 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.129'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81761879 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.784'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81761879 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.430'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81761879 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.478'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81761879 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.003'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81761879 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.933'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81761879 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.738'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81761879 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.05'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81761879 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.1977'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81761879 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.7821'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81761879 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-99'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81761879 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1012.9'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81761879 — SIMBAD ID (P3083): 2MASS J01554377+0034227. wikidata.org.
[23] ↑ Q81761879 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+28.93251275653570'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81761879 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.57302734430940'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81761879 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81761879 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-2.308'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81761879 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). Q81761879. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81761879

MLA “Q81761879.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81761879.

BibTeX

@misc{4ortxyz_q81761879_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81761879}}, year = {2026}, url = {https://4ort.xyz/entity/q81761879}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81761879 — https://4ort.xyz/entity/q81761879 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81761879 · Last refreshed: May 7, 2026