Q81940937

low-mass star in the constellation Cancer

Thing low_mass_star Q81940937

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Q81940937

Summary

Q81940937 is a low-mass star^[1].

Key Facts

Q81940937's instance of is recorded as low-mass star^[2].
Q81940937's constellation is recorded as Cancer^[3].
Q81940937's spectral class is recorded as M2V^[4].
Q81940937's catalog code is recorded as 2MASS J08450405+2756413^[5].
Q81940937's catalog code is recorded as SDSS J084504.04+275641.0^[6].
Q81940937's catalog code is recorded as SDSS J084504.04+275641.1^[7].
Q81940937's catalog code is recorded as SDSS J084504.05+275641.1^[8].
Q81940937's catalog code is recorded as Gaia DR2 703595735635048832^[9].
Q81940937's redshift is recorded as {'unit': '1', 'amount': '+0.00020'}^[10].
Q81940937's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.685'}^[11].
Q81940937's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.480'}^[12].
Q81940937's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.495'}^[13].
Q81940937's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.887'}^[14].
Q81940937's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.810'}^[15].
Q81940937's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.055'}^[16].
Q81940937's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.112'}^[17].
Q81940937's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.601'}^[18].
Q81940937's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.7839'}^[19].
Q81940937's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6623'}^[20].
Q81940937's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+70'}^[21].
Q81940937's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+545.7'}^[22].
Q81940937's SIMBAD ID is recorded as 2MASS J08450405+2756413^[23].
Q81940937's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+131.26686763885680'}^[24].
Q81940937's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+27.94477696793010'}^[25].
Q81940937'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: +21.685, unit: 1, amount: +19.480, unit: 1, amount: +15.495, unit: 1, amount: +14.887, unit: 1, amount: +14.810, unit: 1, amount: +18.055, unit: 1, amount: +17.112, unit: 1, amount: +16.601, unit: 1, amount: +17.7839

Catalog code 2MASS J08450405+2756413, SDSS J084504.04+275641.0, SDSS J084504.04+275641.1, SDSS J084504.05+275641.1, Gaia DR2 703595735635048832

Constellation Cancer

Declination unit: www.wikidata.org, amount: +27.94477696793010

Declination component of proper motion unit: www.wikidata.org, amount: -45.295

Distance from earth unit: www.wikidata.org, amount: +545.7

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.6623

Radial velocity unit: www.wikidata.org, amount: +70

Redshift unit: 1, amount: +0.00020

Right ascension unit: www.wikidata.org, amount: +131.26686763885680

Right ascension component of proper motion unit: www.wikidata.org, amount: -13.082

Spectral class M2V

External References (2)

Gaia id 703595735635048832

Simbad id 2MASS J08450405+2756413

References

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

Direct Wikidata claims

[2] ↑ Q81940937 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81940937 — constellation (P59): Cancer. wikidata.org.
[4] ↑ Q81940937 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81940937 — catalog code (P528): 2MASS J08450405+2756413. SIMBAD. wikidata.org.
[6] ↑ Q81940937 — catalog code (P528): SDSS J084504.04+275641.0. SIMBAD. wikidata.org.
[7] ↑ Q81940937 — catalog code (P528): SDSS J084504.04+275641.1. SIMBAD. wikidata.org.
[8] ↑ Q81940937 — catalog code (P528): SDSS J084504.05+275641.1. SIMBAD. wikidata.org.
[9] ↑ Q81940937 — catalog code (P528): Gaia DR2 703595735635048832. SIMBAD. wikidata.org.
[10] ↑ Q81940937 — redshift (P1090): {'unit': '1', 'amount': '+0.00020'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q81940937 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.685'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81940937 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.480'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81940937 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.495'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81940937 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.887'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81940937 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.810'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81940937 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.055'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q81940937 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.112'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q81940937 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.601'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[19] ↑ Q81940937 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.7839'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81940937 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6623'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81940937 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+70'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81940937 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+545.7'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[23] ↑ Q81940937 — SIMBAD ID (P3083): 2MASS J08450405+2756413. wikidata.org.
[24] ↑ Q81940937 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+131.26686763885680'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81940937 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+27.94477696793010'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81940937 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81940937 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). Q81940937. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81940937

MLA “Q81940937.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81940937.

BibTeX

@misc{4ortxyz_q81940937_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81940937}}, year = {2026}, url = {https://4ort.xyz/entity/q81940937}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81940937 — https://4ort.xyz/entity/q81940937 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81940937 · Last refreshed: May 7, 2026