Q77408662

low-mass star in the constellation Ursa Major

Thing low_mass_star Q77408662

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Q77408662

Summary

Q77408662 is a low-mass star^[1].

Key Facts

Q77408662's instance of is recorded as low-mass star^[2].
Q77408662's constellation is recorded as Ursa Major^[3].
Q77408662's spectral class is recorded as M4V^[4].
Q77408662's catalog code is recorded as 2MASS J10191542+4530306^[5].
Q77408662's catalog code is recorded as SDSS J101915.40+453030.5^[6].
Q77408662's catalog code is recorded as SDSS J101915.40+453030.6^[7].
Q77408662's catalog code is recorded as SDSS J101915.41+453030.5^[8].
Q77408662's catalog code is recorded as Gaia DR2 809409921490700672^[9].
Q77408662's redshift is recorded as {'unit': '1', 'amount': '+0.00015'}^[10].
Q77408662's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.081'}^[11].
Q77408662's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.256'}^[12].
Q77408662's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.788'}^[13].
Q77408662's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.486'}^[14].
Q77408662's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.983'}^[15].
Q77408662's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.271'}^[16].
Q77408662's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.264'}^[17].
Q77408662's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.319'}^[18].
Q77408662's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.0733'}^[19].
Q77408662's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.7099'}^[20].
Q77408662's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+44'}^[21].
Q77408662's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+345.3'}^[22].
Q77408662's SIMBAD ID is recorded as 2MASS J10191542+4530306^[23].
Q77408662's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+154.81424041333200'}^[24].
Q77408662's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+45.50851165380530'}^[25].
Q77408662'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: +23.081, unit: 1, amount: +21.256, unit: 1, amount: +19.788, unit: 1, amount: +17.486, unit: 1, amount: +15.983, unit: 1, amount: +18.271, unit: 1, amount: +15.264, unit: 1, amount: +15.319, unit: 1, amount: +19.0733

Catalog code 2MASS J10191542+4530306, SDSS J101915.40+453030.5, SDSS J101915.40+453030.6, SDSS J101915.41+453030.5, Gaia DR2 809409921490700672

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +45.50851165380530

Declination component of proper motion unit: www.wikidata.org, amount: -4.686

Distance from earth unit: www.wikidata.org, amount: +345.3

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.7099

Radial velocity unit: www.wikidata.org, amount: +44

Redshift unit: 1, amount: +0.00015

Right ascension unit: www.wikidata.org, amount: +154.81424041333200

Right ascension component of proper motion unit: www.wikidata.org, amount: -47.092

Spectral class M4V

External References (2)

Gaia id 809409921490700672

Simbad id 2MASS J10191542+4530306

References

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

Direct Wikidata claims

[2] ↑ Q77408662 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q77408662 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q77408662 — spectral class (P215): M4V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q77408662 — catalog code (P528): 2MASS J10191542+4530306. SIMBAD. wikidata.org.
[6] ↑ Q77408662 — catalog code (P528): SDSS J101915.40+453030.5. SIMBAD. wikidata.org.
[7] ↑ Q77408662 — catalog code (P528): SDSS J101915.40+453030.6. SIMBAD. wikidata.org.
[8] ↑ Q77408662 — catalog code (P528): SDSS J101915.41+453030.5. SIMBAD. wikidata.org.
[9] ↑ Q77408662 — catalog code (P528): Gaia DR2 809409921490700672. SIMBAD. wikidata.org.
[10] ↑ Q77408662 — redshift (P1090): {'unit': '1', 'amount': '+0.00015'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q77408662 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.081'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q77408662 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.256'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q77408662 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.788'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q77408662 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.486'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q77408662 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.983'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q77408662 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.271'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q77408662 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.264'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q77408662 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.319'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q77408662 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.0733'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q77408662 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.7099'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q77408662 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+44'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q77408662 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+345.3'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[23] ↑ Q77408662 — SIMBAD ID (P3083): 2MASS J10191542+4530306. wikidata.org.
[24] ↑ Q77408662 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+154.81424041333200'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q77408662 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+45.50851165380530'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q77408662 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q77408662 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). Q77408662. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77408662

MLA “Q77408662.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77408662.

BibTeX

@misc{4ortxyz_q77408662_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77408662}}, year = {2026}, url = {https://4ort.xyz/entity/q77408662}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77408662 — https://4ort.xyz/entity/q77408662 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77408662 · Last refreshed: May 7, 2026