Q81945541

low-mass star in the constellation Cancer

Thing low_mass_star Q81945541

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Q81945541

Summary

Q81945541 is a low-mass star^[1].

Key Facts

Q81945541's instance of is recorded as low-mass star^[2].
Q81945541's constellation is recorded as Cancer^[3].
Q81945541's spectral class is recorded as M2V^[4].
Q81945541's catalog code is recorded as 2MASS J08191233+0704225^[5].
Q81945541's catalog code is recorded as SDSS J081912.33+070422.4^[6].
Q81945541's catalog code is recorded as SDSS J081912.34+070422.4^[7].
Q81945541's catalog code is recorded as Gaia DR2 3097111366802822272^[8].
Q81945541's redshift is recorded as {'unit': '1', 'amount': '+0.00011'}^[9].
Q81945541's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.905'}^[10].
Q81945541's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.482'}^[11].
Q81945541's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.048'}^[12].
Q81945541's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.088'}^[13].
Q81945541's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.310'}^[14].
Q81945541's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.775'}^[15].
Q81945541's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.433'}^[16].
Q81945541's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.552'}^[17].
Q81945541's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.7634'}^[18].
Q81945541's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.7789'}^[19].
Q81945541's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+4'}^[20].
Q81945541's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+562.1451'}^[21].
Q81945541's SIMBAD ID is recorded as 2MASS J08191233+0704225^[22].
Q81945541's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+124.80140348573150'}^[23].
Q81945541's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.07289824199210'}^[24].
Q81945541's epoch is recorded as J2000.0^[25].
Q81945541's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-0.491'}^[26].

⭐ Popularity Graph

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +21.905, unit: 1, amount: +19.482, unit: 1, amount: +18.048, unit: 1, amount: +17.088, unit: 1, amount: +15.310, unit: 1, amount: +14.775, unit: 1, amount: +14.433, unit: 1, amount: +16.552, unit: 1, amount: +17.7634

Catalog code 2MASS J08191233+0704225, SDSS J081912.33+070422.4, SDSS J081912.34+070422.4, Gaia DR2 3097111366802822272

Constellation Cancer

Declination unit: www.wikidata.org, amount: +7.07289824199210

Declination component of proper motion unit: www.wikidata.org, amount: -0.491

Distance from earth unit: www.wikidata.org, amount: +562.1451

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.7789

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

Redshift unit: 1, amount: +0.00011

Right ascension unit: www.wikidata.org, amount: +124.80140348573150

Right ascension component of proper motion unit: www.wikidata.org, amount: -3.146

Spectral class M2V

External References (2)

Gaia id 3097111366802822272

Simbad id 2MASS J08191233+0704225

References

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

Direct Wikidata claims

[2] ↑ Q81945541 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81945541 — constellation (P59): Cancer. wikidata.org.
[4] ↑ Q81945541 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81945541 — catalog code (P528): 2MASS J08191233+0704225. SIMBAD. wikidata.org.
[6] ↑ Q81945541 — catalog code (P528): SDSS J081912.33+070422.4. SIMBAD. wikidata.org.
[7] ↑ Q81945541 — catalog code (P528): SDSS J081912.34+070422.4. SIMBAD. wikidata.org.
[8] ↑ Q81945541 — catalog code (P528): Gaia DR2 3097111366802822272. SIMBAD. wikidata.org.
[9] ↑ Q81945541 — redshift (P1090): {'unit': '1', 'amount': '+0.00011'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q81945541 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.905'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81945541 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.482'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81945541 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.048'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[13] ↑ Q81945541 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.088'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[14] ↑ Q81945541 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.310'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81945541 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.775'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81945541 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.433'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81945541 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.552'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q81945541 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.7634'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81945541 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.7789'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81945541 — 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.
[21] ↑ Q81945541 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+562.1451'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81945541 — SIMBAD ID (P3083): 2MASS J08191233+0704225. wikidata.org.
[23] ↑ Q81945541 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+124.80140348573150'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81945541 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.07289824199210'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81945541 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81945541 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-0.491'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81945541 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). Q81945541. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81945541

MLA “Q81945541.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81945541.

BibTeX

@misc{4ortxyz_q81945541_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81945541}}, year = {2026}, url = {https://4ort.xyz/entity/q81945541}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81945541 — https://4ort.xyz/entity/q81945541 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81945541 · Last refreshed: May 7, 2026