Q77421838

low-mass star in the constellation Ursa Major

Thing low_mass_star Q77421838

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Q77421838

Summary

Q77421838 is a low-mass star^[1].

Key Facts

Q77421838's instance of is recorded as low-mass star^[2].
Q77421838's constellation is recorded as Ursa Major^[3].
Q77421838's spectral class is recorded as M7V^[4].
Q77421838's catalog code is recorded as 2MASS J10020293+5706502^[5].
Q77421838's catalog code is recorded as SDSS J100202.91+570650.3^[6].
Q77421838's catalog code is recorded as SDSS J100202.91+570650.2^[7].
Q77421838's catalog code is recorded as SDSS J100202.88+570650.4^[8].
Q77421838's catalog code is recorded as Gaia DR2 1046118003102538240^[9].
Q77421838's redshift is recorded as {'unit': '1', 'amount': '-0.00010'}^[10].
Q77421838's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.772'}^[11].
Q77421838's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.746'}^[12].
Q77421838's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.399'}^[13].
Q77421838's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.296'}^[14].
Q77421838's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.243'}^[15].
Q77421838's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.330'}^[16].
Q77421838's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.701'}^[17].
Q77421838's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.1455'}^[18].
Q77421838's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.1528'}^[19].
Q77421838's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-19'}^[20].
Q77421838's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+235.4'}^[21].
Q77421838's SIMBAD ID is recorded as 2MASS J10020293+5706502^[22].
Q77421838's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+150.51217279658450'}^[23].
Q77421838's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+57.11396254901620'}^[24].
Q77421838's epoch is recorded as J2000.0^[25].
Q77421838's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-29.337'}^[26].

⭐ Popularity Graph

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +24.772, unit: 1, amount: +22.746, unit: 1, amount: +21.399, unit: 1, amount: +19.296, unit: 1, amount: +18.243, unit: 1, amount: +16.330, unit: 1, amount: +16.701, unit: 1, amount: +20.1455

Catalog code 2MASS J10020293+5706502, SDSS J100202.91+570650.3, SDSS J100202.91+570650.2, SDSS J100202.88+570650.4, Gaia DR2 1046118003102538240

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +57.11396254901620

Declination component of proper motion unit: www.wikidata.org, amount: -29.337

Distance from earth unit: www.wikidata.org, amount: +235.4

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +4.1528

Radial velocity unit: www.wikidata.org, amount: -19

Redshift unit: 1, amount: -0.00010

Right ascension unit: www.wikidata.org, amount: +150.51217279658450

Right ascension component of proper motion unit: www.wikidata.org, amount: -10.481

Spectral class M7V

External References (2)

Gaia id 1046118003102538240

Simbad id 2MASS J10020293+5706502

References

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

Direct Wikidata claims

[2] ↑ Q77421838 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q77421838 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q77421838 — spectral class (P215): M7V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q77421838 — catalog code (P528): 2MASS J10020293+5706502. SIMBAD. wikidata.org.
[6] ↑ Q77421838 — catalog code (P528): SDSS J100202.91+570650.3. SIMBAD. wikidata.org.
[7] ↑ Q77421838 — catalog code (P528): SDSS J100202.91+570650.2. SIMBAD. wikidata.org.
[8] ↑ Q77421838 — catalog code (P528): SDSS J100202.88+570650.4. SIMBAD. wikidata.org.
[9] ↑ Q77421838 — catalog code (P528): Gaia DR2 1046118003102538240. SIMBAD. wikidata.org.
[10] ↑ Q77421838 — redshift (P1090): {'unit': '1', 'amount': '-0.00010'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q77421838 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.772'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q77421838 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.746'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q77421838 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.399'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q77421838 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.296'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q77421838 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.243'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q77421838 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.330'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q77421838 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.701'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q77421838 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.1455'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q77421838 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.1528'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q77421838 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-19'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q77421838 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+235.4'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q77421838 — SIMBAD ID (P3083): 2MASS J10020293+5706502. wikidata.org.
[23] ↑ Q77421838 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+150.51217279658450'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q77421838 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+57.11396254901620'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q77421838 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q77421838 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-29.337'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q77421838 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). Q77421838. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77421838

MLA “Q77421838.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77421838.

BibTeX

@misc{4ortxyz_q77421838_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77421838}}, year = {2026}, url = {https://4ort.xyz/entity/q77421838}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77421838 — https://4ort.xyz/entity/q77421838 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77421838 · Last refreshed: May 7, 2026