Q77421490

low-mass star in the constellation Ursa Major

Thing low_mass_star Q77421490

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Q77421490

Summary

Q77421490 is a low-mass star^[1].

Key Facts

Q77421490's instance of is recorded as low-mass star^[2].
Q77421490's constellation is recorded as Ursa Major^[3].
Q77421490's spectral class is recorded as M7V^[4].
Q77421490's catalog code is recorded as 2MASS J10312521+5718428^[5].
Q77421490's catalog code is recorded as SDSS J103125.21+571842.9^[6].
Q77421490's catalog code is recorded as SDSS J103125.21+571842.8^[7].
Q77421490's catalog code is recorded as Gaia DR2 854777210064884352^[8].
Q77421490's redshift is recorded as {'unit': '1', 'amount': '-0.00006'}^[9].
Q77421490's apparent magnitude is recorded as {'unit': '1', 'amount': '+26.057'}^[10].
Q77421490's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.355'}^[11].
Q77421490's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.896'}^[12].
Q77421490's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.034'}^[13].
Q77421490's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.968'}^[14].
Q77421490's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.270'}^[15].
Q77421490's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.784'}^[16].
Q77421490's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.60'}^[17].
Q77421490's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.8456'}^[18].
Q77421490's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.2764'}^[19].
Q77421490's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+10'}^[20].
Q77421490's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+238.8'}^[21].
Q77421490's SIMBAD ID is recorded as 2MASS J10312521+5718428^[22].
Q77421490's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+157.85507050702320'}^[23].
Q77421490's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+57.31190960455830'}^[24].
Q77421490's epoch is recorded as J2000.0^[25].
Q77421490's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-11.862'}^[26].

⭐ Popularity Graph

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +26.057, unit: 1, amount: +22.355, unit: 1, amount: +20.896, unit: 1, amount: +19.034, unit: 1, amount: +17.968, unit: 1, amount: +16.270, unit: 1, amount: +15.784, unit: 1, amount: +15.60, unit: 1, amount: +19.8456

Catalog code 2MASS J10312521+5718428, SDSS J103125.21+571842.9, SDSS J103125.21+571842.8, Gaia DR2 854777210064884352

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +57.31190960455830

Declination component of proper motion unit: www.wikidata.org, amount: -11.862

Distance from earth unit: www.wikidata.org, amount: +238.8

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +4.2764

Radial velocity unit: www.wikidata.org, amount: +10

Redshift unit: 1, amount: -0.00006

Right ascension unit: www.wikidata.org, amount: +157.85507050702320

Right ascension component of proper motion unit: www.wikidata.org, amount: -23.162

Spectral class M7V

External References (2)

Gaia id 854777210064884352

Simbad id 2MASS J10312521+5718428

References

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

Direct Wikidata claims

[2] ↑ Q77421490 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q77421490 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q77421490 — spectral class (P215): M7V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q77421490 — catalog code (P528): 2MASS J10312521+5718428. SIMBAD. wikidata.org.
[6] ↑ Q77421490 — catalog code (P528): SDSS J103125.21+571842.9. SIMBAD. wikidata.org.
[7] ↑ Q77421490 — catalog code (P528): SDSS J103125.21+571842.8. SIMBAD. wikidata.org.
[8] ↑ Q77421490 — catalog code (P528): Gaia DR2 854777210064884352. SIMBAD. wikidata.org.
[9] ↑ Q77421490 — redshift (P1090): {'unit': '1', 'amount': '-0.00006'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q77421490 — apparent magnitude (P1215): {'unit': '1', 'amount': '+26.057'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q77421490 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.355'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q77421490 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.896'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q77421490 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.034'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q77421490 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.968'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q77421490 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.270'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q77421490 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.784'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q77421490 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.60'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q77421490 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.8456'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q77421490 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.2764'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q77421490 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+10'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q77421490 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+238.8'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q77421490 — SIMBAD ID (P3083): 2MASS J10312521+5718428. wikidata.org.
[23] ↑ Q77421490 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+157.85507050702320'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q77421490 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+57.31190960455830'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q77421490 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q77421490 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-11.862'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q77421490 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). Q77421490. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77421490

MLA “Q77421490.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77421490.

BibTeX

@misc{4ortxyz_q77421490_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77421490}}, year = {2026}, url = {https://4ort.xyz/entity/q77421490}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77421490 — https://4ort.xyz/entity/q77421490 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77421490 · Last refreshed: May 7, 2026