Q81939990

low-mass star in the constellation Cancer

Thing low_mass_star Q81939990

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Q81939990

Summary

Q81939990 is a low-mass star^[1].

Key Facts

Q81939990's instance of is recorded as low-mass star^[2].
Q81939990's constellation is recorded as Cancer^[3].
Q81939990's spectral class is recorded as M7V^[4].
Q81939990's catalog code is recorded as 2MASS J08173975+1931381^[5].
Q81939990's catalog code is recorded as SDSS J081739.77+193137.6^[6].
Q81939990's catalog code is recorded as EPIC 211953626^[7].
Q81939990's catalog code is recorded as SDSS J081739.77+193137.7^[8].
Q81939990's catalog code is recorded as Gaia DR2 663543207095613696^[9].
Q81939990's redshift is recorded as {'unit': '1', 'amount': '-0.00024'}^[10].
Q81939990's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.455'}^[11].
Q81939990's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.394'}^[12].
Q81939990's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.732'}^[13].
Q81939990's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.716'}^[14].
Q81939990's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.666'}^[15].
Q81939990's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.961'}^[16].
Q81939990's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.580'}^[17].
Q81939990's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.130'}^[18].
Q81939990's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.5075'}^[19].
Q81939990's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.3704'}^[20].
Q81939990's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-45'}^[21].
Q81939990's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+191.4'}^[22].
Q81939990's SIMBAD ID is recorded as 2MASS J08173975+1931381^[23].
Q81939990's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+124.41569631429630'}^[24].
Q81939990's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+19.52721040479530'}^[25].
Q81939990'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: +24.455, unit: 1, amount: +22.394, unit: 1, amount: +20.732, unit: 1, amount: +18.716, unit: 1, amount: +17.666, unit: 1, amount: +15.961, unit: 1, amount: +15.580, unit: 1, amount: +15.130, unit: 1, amount: +19.5075

Catalog code 2MASS J08173975+1931381, SDSS J081739.77+193137.6, EPIC 211953626, SDSS J081739.77+193137.7, Gaia DR2 663543207095613696

Constellation Cancer

Declination unit: www.wikidata.org, amount: +19.52721040479530

Declination component of proper motion unit: www.wikidata.org, amount: -78.913

Distance from earth unit: www.wikidata.org, amount: +191.4

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +5.3704

Radial velocity unit: www.wikidata.org, amount: -45

Redshift unit: 1, amount: -0.00024

Right ascension unit: www.wikidata.org, amount: +124.41569631429630

Right ascension component of proper motion unit: www.wikidata.org, amount: +5.177

Spectral class M7V

External References (2)

Gaia id 663543207095613696

Simbad id 2MASS J08173975+1931381

References

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

Direct Wikidata claims

[2] ↑ Q81939990 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81939990 — constellation (P59): Cancer. wikidata.org.
[4] ↑ Q81939990 — spectral class (P215): M7V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81939990 — catalog code (P528): 2MASS J08173975+1931381. SIMBAD. wikidata.org.
[6] ↑ Q81939990 — catalog code (P528): SDSS J081739.77+193137.6. SIMBAD. wikidata.org.
[7] ↑ Q81939990 — catalog code (P528): EPIC 211953626. SIMBAD. wikidata.org.
[8] ↑ Q81939990 — catalog code (P528): SDSS J081739.77+193137.7. SIMBAD. wikidata.org.
[9] ↑ Q81939990 — catalog code (P528): Gaia DR2 663543207095613696. SIMBAD. wikidata.org.
[10] ↑ Q81939990 — redshift (P1090): {'unit': '1', 'amount': '-0.00024'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q81939990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.455'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81939990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.394'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81939990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.732'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81939990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.716'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81939990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.666'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q81939990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.961'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81939990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.580'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81939990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.130'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q81939990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.5075'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81939990 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.3704'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81939990 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-45'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81939990 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+191.4'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[23] ↑ Q81939990 — SIMBAD ID (P3083): 2MASS J08173975+1931381. wikidata.org.
[24] ↑ Q81939990 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+124.41569631429630'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81939990 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+19.52721040479530'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81939990 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81939990 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). Q81939990. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81939990

MLA “Q81939990.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81939990.

BibTeX

@misc{4ortxyz_q81939990_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81939990}}, year = {2026}, url = {https://4ort.xyz/entity/q81939990}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81939990 — https://4ort.xyz/entity/q81939990 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81939990 · Last refreshed: May 7, 2026