Q77409544

low-mass star in the constellation Ursa Major

Thing low_mass_star Q77409544

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Q77409544

Summary

Q77409544 is a low-mass star^[1].

Key Facts

Q77409544's instance of is recorded as low-mass star^[2].
Q77409544's constellation is recorded as Ursa Major^[3].
Q77409544's spectral class is recorded as M7V^[4].
Q77409544's catalog code is recorded as SDSS J101944.39+621724.0^[5].
Q77409544's catalog code is recorded as 2MASS J10194439+6217240^[6].
Q77409544's catalog code is recorded as SDSS J101944.40+621724.1^[7].
Q77409544's catalog code is recorded as Gaia DR2 1051859206149608320^[8].
Q77409544's redshift is recorded as {'unit': '1', 'amount': '-0.00007'}^[9].
Q77409544's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.628'}^[10].
Q77409544's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.264'}^[11].
Q77409544's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.840'}^[12].
Q77409544's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.652'}^[13].
Q77409544's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.544'}^[14].
Q77409544's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.967'}^[15].
Q77409544's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.545'}^[16].
Q77409544's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.035'}^[17].
Q77409544's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.4429'}^[18].
Q77409544's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.7691'}^[19].
Q77409544's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+37'}^[20].
Q77409544's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+173.3373'}^[21].
Q77409544's SIMBAD ID is recorded as 2MASS J10194439+6217240^[22].
Q77409544's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+154.93500573792080'}^[23].
Q77409544's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+62.29000904187140'}^[24].
Q77409544's epoch is recorded as J2000.0^[25].
Q77409544's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-25.210'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.628, unit: 1, amount: +22.264, unit: 1, amount: +20.840, unit: 1, amount: +18.652, unit: 1, amount: +17.544, unit: 1, amount: +15.967, unit: 1, amount: +15.545, unit: 1, amount: +15.035, unit: 1, amount: +19.4429

Catalog code SDSS J101944.39+621724.0, 2MASS J10194439+6217240, SDSS J101944.40+621724.1, Gaia DR2 1051859206149608320

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +62.29000904187140

Declination component of proper motion unit: www.wikidata.org, amount: -25.210

Distance from earth unit: www.wikidata.org, amount: +173.3373

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +5.7691

Radial velocity unit: www.wikidata.org, amount: +37

Redshift unit: 1, amount: -0.00007

Right ascension unit: www.wikidata.org, amount: +154.93500573792080

Right ascension component of proper motion unit: www.wikidata.org, amount: -72.289

Spectral class M7V

External References (2)

Gaia id 1051859206149608320

Simbad id 2MASS J10194439+6217240

References

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

Direct Wikidata claims

[2] ↑ Q77409544 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q77409544 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q77409544 — spectral class (P215): M7V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q77409544 — catalog code (P528): SDSS J101944.39+621724.0. SIMBAD. wikidata.org.
[6] ↑ Q77409544 — catalog code (P528): 2MASS J10194439+6217240. SIMBAD. wikidata.org.
[7] ↑ Q77409544 — catalog code (P528): SDSS J101944.40+621724.1. SIMBAD. wikidata.org.
[8] ↑ Q77409544 — catalog code (P528): Gaia DR2 1051859206149608320. SIMBAD. wikidata.org.
[9] ↑ Q77409544 — redshift (P1090): {'unit': '1', 'amount': '-0.00007'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q77409544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.628'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q77409544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.264'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q77409544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.840'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q77409544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.652'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q77409544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.544'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q77409544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.967'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q77409544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.545'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q77409544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.035'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q77409544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.4429'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q77409544 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.7691'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q77409544 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+37'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q77409544 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+173.3373'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q77409544 — SIMBAD ID (P3083): 2MASS J10194439+6217240. wikidata.org.
[23] ↑ Q77409544 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+154.93500573792080'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q77409544 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+62.29000904187140'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q77409544 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q77409544 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-25.210'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q77409544 is an instance of low-mass star (Q12795622) [P31, primary]. Wikidata. wikidata.org.

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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). Q77409544. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77409544

MLA “Q77409544.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77409544.

BibTeX

@misc{4ortxyz_q77409544_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77409544}}, year = {2026}, url = {https://4ort.xyz/entity/q77409544}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77409544 — https://4ort.xyz/entity/q77409544 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77409544 · Last refreshed: May 7, 2026