Q77407484

low-mass star in the constellation Ursa Major

Thing low_mass_star Q77407484

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Q77407484

Summary

Q77407484 is a low-mass star^[1].

Key Facts

Q77407484's instance of is recorded as low-mass star^[2].
Q77407484's constellation is recorded as Ursa Major^[3].
Q77407484's spectral class is recorded as M2V^[4].
Q77407484's catalog code is recorded as 2MASS J10213261+4508229^[5].
Q77407484's catalog code is recorded as SDSS J102132.63+450822.9^[6].
Q77407484's catalog code is recorded as SDSS J102132.64+450823.0^[7].
Q77407484's catalog code is recorded as Gaia DR2 809207881932105472^[8].
Q77407484's redshift is recorded as {'unit': '1', 'amount': '-0.00006'}^[9].
Q77407484's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.027'}^[10].
Q77407484's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.957'}^[11].
Q77407484's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.328'}^[12].
Q77407484's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.763'}^[13].
Q77407484's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.208'}^[14].
Q77407484's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.307'}^[15].
Q77407484's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.810'}^[16].
Q77407484's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.53'}^[17].
Q77407484's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.0175'}^[18].
Q77407484's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.3141'}^[19].
Q77407484's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-76'}^[20].
Q77407484's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+823.9'}^[21].
Q77407484's SIMBAD ID is recorded as 2MASS J10213261+4508229^[22].
Q77407484's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+155.38595839613640'}^[23].
Q77407484's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+45.13969381327020'}^[24].
Q77407484's epoch is recorded as J2000.0^[25].
Q77407484's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+9.600'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +24.027, unit: 1, amount: +20.957, unit: 1, amount: +19.328, unit: 1, amount: +17.763, unit: 1, amount: +16.208, unit: 1, amount: +18.307, unit: 1, amount: +15.810, unit: 1, amount: +15.53, unit: 1, amount: +19.0175

Catalog code 2MASS J10213261+4508229, SDSS J102132.63+450822.9, SDSS J102132.64+450823.0, Gaia DR2 809207881932105472

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +45.13969381327020

Declination component of proper motion unit: www.wikidata.org, amount: +9.600

Distance from earth unit: www.wikidata.org, amount: +823.9

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.3141

Radial velocity unit: www.wikidata.org, amount: -76

Redshift unit: 1, amount: -0.00006

Right ascension unit: www.wikidata.org, amount: +155.38595839613640

Right ascension component of proper motion unit: www.wikidata.org, amount: -0.002

Spectral class M2V

External References (2)

Gaia id 809207881932105472

Simbad id 2MASS J10213261+4508229

References

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

Direct Wikidata claims

[2] ↑ Q77407484 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q77407484 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q77407484 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q77407484 — catalog code (P528): 2MASS J10213261+4508229. SIMBAD. wikidata.org.
[6] ↑ Q77407484 — catalog code (P528): SDSS J102132.63+450822.9. SIMBAD. wikidata.org.
[7] ↑ Q77407484 — catalog code (P528): SDSS J102132.64+450823.0. SIMBAD. wikidata.org.
[8] ↑ Q77407484 — catalog code (P528): Gaia DR2 809207881932105472. SIMBAD. wikidata.org.
[9] ↑ Q77407484 — redshift (P1090): {'unit': '1', 'amount': '-0.00006'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q77407484 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.027'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q77407484 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.957'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q77407484 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.328'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q77407484 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.763'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q77407484 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.208'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q77407484 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.307'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q77407484 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.810'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q77407484 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.53'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q77407484 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.0175'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q77407484 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.3141'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q77407484 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-76'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q77407484 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+823.9'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q77407484 — SIMBAD ID (P3083): 2MASS J10213261+4508229. wikidata.org.
[23] ↑ Q77407484 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+155.38595839613640'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q77407484 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+45.13969381327020'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q77407484 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q77407484 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+9.600'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q77407484 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). Q77407484. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77407484

MLA “Q77407484.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77407484.

BibTeX

@misc{4ortxyz_q77407484_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77407484}}, year = {2026}, url = {https://4ort.xyz/entity/q77407484}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77407484 — https://4ort.xyz/entity/q77407484 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77407484 · Last refreshed: May 7, 2026