Q81946479

low-mass star in the constellation Cancer

Thing low_mass_star Q81946479

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Q81946479

Summary

Q81946479 is a low-mass star^[1].

Key Facts

Q81946479's instance of is recorded as low-mass star^[2].
Q81946479's constellation is recorded as Cancer^[3].
Q81946479's spectral class is recorded as M3V^[4].
Q81946479's catalog code is recorded as 2MASS J08404089+2530123^[5].
Q81946479's catalog code is recorded as SDSS J084040.83+253012.3^[6].
Q81946479's catalog code is recorded as SDSS J084040.83+253012.4^[7].
Q81946479's catalog code is recorded as Gaia DR2 702706544262975488^[8].
Q81946479's redshift is recorded as {'unit': '1', 'amount': '+0.00002'}^[9].
Q81946479's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.366'}^[10].
Q81946479's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.224'}^[11].
Q81946479's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.521'}^[12].
Q81946479's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.646'}^[13].
Q81946479's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.375'}^[14].
Q81946479's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.268'}^[15].
Q81946479's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.811'}^[16].
Q81946479's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.52'}^[17].
Q81946479's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.0501'}^[18].
Q81946479's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.0796'}^[19].
Q81946479's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-16'}^[20].
Q81946479's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+576.4'}^[21].
Q81946479's SIMBAD ID is recorded as 2MASS J08404089+2530123^[22].
Q81946479's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+130.17015876861860'}^[23].
Q81946479's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+25.50347175840770'}^[24].
Q81946479's epoch is recorded as J2000.0^[25].
Q81946479's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-44.479'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.366, unit: 1, amount: +21.224, unit: 1, amount: +19.521, unit: 1, amount: +17.646, unit: 1, amount: +16.375, unit: 1, amount: +18.268, unit: 1, amount: +15.811, unit: 1, amount: +15.52, unit: 1, amount: +19.0501

Catalog code 2MASS J08404089+2530123, SDSS J084040.83+253012.3, SDSS J084040.83+253012.4, Gaia DR2 702706544262975488

Constellation Cancer

Declination unit: www.wikidata.org, amount: +25.50347175840770

Declination component of proper motion unit: www.wikidata.org, amount: -44.479

Distance from earth unit: www.wikidata.org, amount: +576.4

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +4.0796

Radial velocity unit: www.wikidata.org, amount: -16

Redshift unit: 1, amount: +0.00002

Right ascension unit: www.wikidata.org, amount: +130.17015876861860

Right ascension component of proper motion unit: www.wikidata.org, amount: -35.930

Spectral class M3V

External References (2)

Gaia id 702706544262975488

Simbad id 2MASS J08404089+2530123

References

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

Direct Wikidata claims

[2] ↑ Q81946479 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81946479 — constellation (P59): Cancer. wikidata.org.
[4] ↑ Q81946479 — spectral class (P215): M3V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81946479 — catalog code (P528): 2MASS J08404089+2530123. SIMBAD. wikidata.org.
[6] ↑ Q81946479 — catalog code (P528): SDSS J084040.83+253012.3. SIMBAD. wikidata.org.
[7] ↑ Q81946479 — catalog code (P528): SDSS J084040.83+253012.4. SIMBAD. wikidata.org.
[8] ↑ Q81946479 — catalog code (P528): Gaia DR2 702706544262975488. SIMBAD. wikidata.org.
[9] ↑ Q81946479 — redshift (P1090): {'unit': '1', 'amount': '+0.00002'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q81946479 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.366'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81946479 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.224'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81946479 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.521'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81946479 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.646'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81946479 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.375'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81946479 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.268'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q81946479 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.811'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81946479 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.52'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81946479 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.0501'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81946479 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.0796'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81946479 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-16'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81946479 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+576.4'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81946479 — SIMBAD ID (P3083): 2MASS J08404089+2530123. wikidata.org.
[23] ↑ Q81946479 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+130.17015876861860'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81946479 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+25.50347175840770'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81946479 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81946479 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-44.479'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81946479 is an instance of low-mass star (Q12795622) [P31, primary]. Wikidata. wikidata.org.

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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). Q81946479. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81946479

MLA “Q81946479.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81946479.

BibTeX

@misc{4ortxyz_q81946479_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81946479}}, year = {2026}, url = {https://4ort.xyz/entity/q81946479}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81946479 — https://4ort.xyz/entity/q81946479 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81946479 · Last refreshed: May 7, 2026