Q81939515

low-mass star in the constellation Gemini

Thing low_mass_star Q81939515

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Q81939515

Summary

Q81939515 is a low-mass star^[1].

Key Facts

Q81939515's instance of is recorded as low-mass star^[2].
Q81939515's constellation is recorded as Gemini^[3].
Q81939515's spectral class is recorded as M2V^[4].
Q81939515's catalog code is recorded as 2MASS J07543681+1736433^[5].
Q81939515's catalog code is recorded as SDSS J075436.81+173643.3^[6].
Q81939515's catalog code is recorded as SDSS J075436.80+173643.3^[7].
Q81939515's catalog code is recorded as Gaia DR2 668272275326683392^[8].
Q81939515's redshift is recorded as {'unit': '1', 'amount': '+0.00002'}^[9].
Q81939515's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.650'}^[10].
Q81939515's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.168'}^[11].
Q81939515's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.911'}^[12].
Q81939515's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.339'}^[13].
Q81939515's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.099'}^[14].
Q81939515's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.717'}^[15].
Q81939515's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.774'}^[16].
Q81939515's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.250'}^[17].
Q81939515's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.4482'}^[18].
Q81939515's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.9333'}^[19].
Q81939515's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+18'}^[20].
Q81939515's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+517.2503'}^[21].
Q81939515's SIMBAD ID is recorded as 2MASS J07543681+1736433^[22].
Q81939515's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+118.65339435678150'}^[23].
Q81939515's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+17.61207037153870'}^[24].
Q81939515's epoch is recorded as J2000.0^[25].
Q81939515's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-19.093'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +21.650, unit: 1, amount: +19.168, unit: 1, amount: +14.911, unit: 1, amount: +14.339, unit: 1, amount: +14.099, unit: 1, amount: +17.717, unit: 1, amount: +16.774, unit: 1, amount: +16.250, unit: 1, amount: +17.4482

Catalog code 2MASS J07543681+1736433, SDSS J075436.81+173643.3, SDSS J075436.80+173643.3, Gaia DR2 668272275326683392

Constellation Gemini

Declination unit: www.wikidata.org, amount: +17.61207037153870

Declination component of proper motion unit: www.wikidata.org, amount: -19.093

Distance from earth unit: www.wikidata.org, amount: +517.2503

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.9333

Radial velocity unit: www.wikidata.org, amount: +18

Redshift unit: 1, amount: +0.00002

Right ascension unit: www.wikidata.org, amount: +118.65339435678150

Right ascension component of proper motion unit: www.wikidata.org, amount: -14.639

Spectral class M2V

External References (2)

Gaia id 668272275326683392

Simbad id 2MASS J07543681+1736433

References

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

Direct Wikidata claims

[2] ↑ Q81939515 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81939515 — constellation (P59): Gemini. wikidata.org.
[4] ↑ Q81939515 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81939515 — catalog code (P528): 2MASS J07543681+1736433. SIMBAD. wikidata.org.
[6] ↑ Q81939515 — catalog code (P528): SDSS J075436.81+173643.3. SIMBAD. wikidata.org.
[7] ↑ Q81939515 — catalog code (P528): SDSS J075436.80+173643.3. SIMBAD. wikidata.org.
[8] ↑ Q81939515 — catalog code (P528): Gaia DR2 668272275326683392. SIMBAD. wikidata.org.
[9] ↑ Q81939515 — redshift (P1090): {'unit': '1', 'amount': '+0.00002'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q81939515 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.650'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81939515 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.168'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81939515 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.911'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q81939515 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.339'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81939515 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.099'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81939515 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.717'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q81939515 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.774'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q81939515 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.250'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q81939515 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.4482'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81939515 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.9333'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81939515 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+18'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81939515 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+517.2503'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81939515 — SIMBAD ID (P3083): 2MASS J07543681+1736433. wikidata.org.
[23] ↑ Q81939515 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+118.65339435678150'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81939515 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+17.61207037153870'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81939515 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81939515 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-19.093'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81939515 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). Q81939515. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81939515

MLA “Q81939515.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81939515.

BibTeX

@misc{4ortxyz_q81939515_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81939515}}, year = {2026}, url = {https://4ort.xyz/entity/q81939515}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81939515 — https://4ort.xyz/entity/q81939515 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81939515 · Last refreshed: May 7, 2026