Q81943416

low-mass star in the constellation Cancer

Thing low_mass_star Q81943416

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Q81943416

Summary

Q81943416 is a low-mass star^[1].

Key Facts

Q81943416's instance of is recorded as low-mass star^[2].
Q81943416's constellation is recorded as Cancer^[3].
Q81943416's spectral class is recorded as M7V^[4].
Q81943416's catalog code is recorded as 2MASS J08421890+2123428^[5].
Q81943416's catalog code is recorded as SDSS J084218.91+212342.8^[6].
Q81943416's catalog code is recorded as SDSS J084218.90+212342.8^[7].
Q81943416's catalog code is recorded as SDSS J084218.91+212342.9^[8].
Q81943416's catalog code is recorded as Gaia DR2 664928248149011712^[9].
Q81943416's redshift is recorded as {'unit': '1', 'amount': '+0.00000'}^[10].
Q81943416's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.835'}^[11].
Q81943416's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.998'}^[12].
Q81943416's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.448'}^[13].
Q81943416's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.506'}^[14].
Q81943416's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.377'}^[15].
Q81943416's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.770'}^[16].
Q81943416's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.225'}^[17].
Q81943416's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.620'}^[18].
Q81943416's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.3171'}^[19].
Q81943416's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.9894'}^[20].
Q81943416's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+15'}^[21].
Q81943416's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+163.4'}^[22].
Q81943416's SIMBAD ID is recorded as 2MASS J08421890+2123428^[23].
Q81943416's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+130.57880967102270'}^[24].
Q81943416's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+21.39522379425090'}^[25].
Q81943416'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: +23.835, unit: 1, amount: +21.998, unit: 1, amount: +20.448, unit: 1, amount: +18.506, unit: 1, amount: +17.377, unit: 1, amount: +15.770, unit: 1, amount: +15.225, unit: 1, amount: +14.620, unit: 1, amount: +19.3171

Catalog code 2MASS J08421890+2123428, SDSS J084218.91+212342.8, SDSS J084218.90+212342.8, SDSS J084218.91+212342.9, Gaia DR2 664928248149011712

Constellation Cancer

Declination unit: www.wikidata.org, amount: +21.39522379425090

Declination component of proper motion unit: www.wikidata.org, amount: +3.518

Distance from earth unit: www.wikidata.org, amount: +163.4

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +3.9894

Radial velocity unit: www.wikidata.org, amount: +15

Redshift unit: 1, amount: +0.00000

Right ascension unit: www.wikidata.org, amount: +130.57880967102270

Right ascension component of proper motion unit: www.wikidata.org, amount: -17.797

Spectral class M7V

External References (2)

Gaia id 664928248149011712

Simbad id 2MASS J08421890+2123428

References

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

Direct Wikidata claims

[2] ↑ Q81943416 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81943416 — constellation (P59): Cancer. wikidata.org.
[4] ↑ Q81943416 — spectral class (P215): M7V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81943416 — catalog code (P528): 2MASS J08421890+2123428. SIMBAD. wikidata.org.
[6] ↑ Q81943416 — catalog code (P528): SDSS J084218.91+212342.8. SIMBAD. wikidata.org.
[7] ↑ Q81943416 — catalog code (P528): SDSS J084218.90+212342.8. SIMBAD. wikidata.org.
[8] ↑ Q81943416 — catalog code (P528): SDSS J084218.91+212342.9. SIMBAD. wikidata.org.
[9] ↑ Q81943416 — catalog code (P528): Gaia DR2 664928248149011712. SIMBAD. wikidata.org.
[10] ↑ Q81943416 — redshift (P1090): {'unit': '1', 'amount': '+0.00000'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q81943416 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.835'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81943416 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.998'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81943416 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.448'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81943416 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.506'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81943416 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.377'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q81943416 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.770'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81943416 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.225'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81943416 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.620'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q81943416 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.3171'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81943416 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.9894'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81943416 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+15'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81943416 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+163.4'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[23] ↑ Q81943416 — SIMBAD ID (P3083): 2MASS J08421890+2123428. wikidata.org.
[24] ↑ Q81943416 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+130.57880967102270'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81943416 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+21.39522379425090'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81943416 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81943416 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). Q81943416. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81943416

MLA “Q81943416.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81943416.

BibTeX

@misc{4ortxyz_q81943416_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81943416}}, year = {2026}, url = {https://4ort.xyz/entity/q81943416}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81943416 — https://4ort.xyz/entity/q81943416 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81943416 · Last refreshed: May 7, 2026