Q81939487

low-mass star in the constellation Cancer

Thing low_mass_star Q81939487

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Q81939487

Summary

Q81939487 is a low-mass star^[1].

Key Facts

Q81939487's instance of is recorded as low-mass star^[2].
Q81939487's constellation is recorded as Cancer^[3].
Q81939487's spectral class is recorded as M5V^[4].
Q81939487's catalog code is recorded as 2MASS J09185180+0828173^[5].
Q81939487's catalog code is recorded as SDSS J091851.82+082817.2^[6].
Q81939487's catalog code is recorded as SDSS J091851.81+082817.2^[7].
Q81939487's catalog code is recorded as SDSS J091851.82+082817.3^[8].
Q81939487's catalog code is recorded as Gaia DR2 587525378332668032^[9].
Q81939487's redshift is recorded as {'unit': '1', 'amount': '-0.00009'}^[10].
Q81939487's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.118'}^[11].
Q81939487's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.636'}^[12].
Q81939487's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.954'}^[13].
Q81939487's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.123'}^[14].
Q81939487's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.054'}^[15].
Q81939487's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.033'}^[16].
Q81939487's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.422'}^[17].
Q81939487's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.16'}^[18].
Q81939487's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.9244'}^[19].
Q81939487's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.2948'}^[20].
Q81939487's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+4'}^[21].
Q81939487's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+264.7'}^[22].
Q81939487's SIMBAD ID is recorded as 2MASS J09185180+0828173^[23].
Q81939487's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+139.71594639875700'}^[24].
Q81939487's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+8.47148099059070'}^[25].
Q81939487's epoch is recorded as J2000.0^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.118, unit: 1, amount: +22.636, unit: 1, amount: +20.954, unit: 1, amount: +19.123, unit: 1, amount: +18.054, unit: 1, amount: +16.033, unit: 1, amount: +16.422, unit: 1, amount: +15.16, unit: 1, amount: +19.9244

Catalog code 2MASS J09185180+0828173, SDSS J091851.82+082817.2, SDSS J091851.81+082817.2, SDSS J091851.82+082817.3, Gaia DR2 587525378332668032

Constellation Cancer

Declination unit: www.wikidata.org, amount: +8.47148099059070

Declination component of proper motion unit: www.wikidata.org, amount: -33.761

Distance from earth unit: www.wikidata.org, amount: +264.7

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +3.2948

Radial velocity unit: www.wikidata.org, amount: +4

Redshift unit: 1, amount: -0.00009

Right ascension unit: www.wikidata.org, amount: +139.71594639875700

Right ascension component of proper motion unit: www.wikidata.org, amount: -2.034

Spectral class M5V

External References (2)

Gaia id 587525378332668032

Simbad id 2MASS J09185180+0828173

References

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

Direct Wikidata claims

[2] ↑ Q81939487 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81939487 — constellation (P59): Cancer. wikidata.org.
[4] ↑ Q81939487 — spectral class (P215): M5V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81939487 — catalog code (P528): 2MASS J09185180+0828173. SIMBAD. wikidata.org.
[6] ↑ Q81939487 — catalog code (P528): SDSS J091851.82+082817.2. SIMBAD. wikidata.org.
[7] ↑ Q81939487 — catalog code (P528): SDSS J091851.81+082817.2. SIMBAD. wikidata.org.
[8] ↑ Q81939487 — catalog code (P528): SDSS J091851.82+082817.3. SIMBAD. wikidata.org.
[9] ↑ Q81939487 — catalog code (P528): Gaia DR2 587525378332668032. SIMBAD. wikidata.org.
[10] ↑ Q81939487 — redshift (P1090): {'unit': '1', 'amount': '-0.00009'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q81939487 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.118'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81939487 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.636'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81939487 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.954'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81939487 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.123'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81939487 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.054'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q81939487 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.033'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81939487 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.422'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81939487 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.16'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q81939487 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.9244'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81939487 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.2948'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81939487 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+4'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81939487 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+264.7'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[23] ↑ Q81939487 — SIMBAD ID (P3083): 2MASS J09185180+0828173. wikidata.org.
[24] ↑ Q81939487 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+139.71594639875700'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81939487 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+8.47148099059070'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81939487 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81939487 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). Q81939487. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81939487

MLA “Q81939487.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81939487.

BibTeX

@misc{4ortxyz_q81939487_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81939487}}, year = {2026}, url = {https://4ort.xyz/entity/q81939487}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81939487 — https://4ort.xyz/entity/q81939487 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81939487 · Last refreshed: May 7, 2026