Q81945089

white dwarf in the constellation Leo

Thing white_dwarf Q81945089

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Q81945089

Summary

Q81945089 is a white dwarf^[1].

Key Facts

Q81945089's instance of is recorded as white dwarf^[2].
Q81945089's constellation is recorded as Leo^[3].
Q81945089's spectral class is recorded as M2V^[4].
Q81945089's catalog code is recorded as 2MASS J09422354+2953275^[5].
Q81945089's catalog code is recorded as SDSS J094223.53+295327.7^[6].
Q81945089's catalog code is recorded as [RGS2010] J094223.54+295327.8^[7].
Q81945089's catalog code is recorded as WD 0939+301^[8].
Q81945089's catalog code is recorded as SDSS J094223.54+295327.7^[9].
Q81945089's catalog code is recorded as GALEX 6378445222926355983^[10].
Q81945089's catalog code is recorded as Gaia DR2 696543403630612608^[11].
Q81945089's redshift is recorded as {'unit': '1', 'amount': '+0.00007'}^[12].
Q81945089's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.139'}^[13].
Q81945089's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.429'}^[14].
Q81945089's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.602'}^[15].
Q81945089's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.541'}^[16].
Q81945089's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.819'}^[17].
Q81945089's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.147'}^[18].
Q81945089's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.186'}^[19].
Q81945089's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.493'}^[20].
Q81945089's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.8872'}^[21].
Q81945089's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.1341'}^[22].
Q81945089's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+21'}^[23].
Q81945089's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+495.3'}^[24].
Q81945089's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+145.59809635225730'}^[25].
Q81945089's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+29.89102917666130'}^[26].

Body

Definition and Type

Q81945089's instance of is recorded as white dwarf^[2].

⭐ Popularity Graph

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +21.139, unit: 1, amount: +19.429, unit: 1, amount: +16.602, unit: 1, amount: +15.541, unit: 1, amount: +14.819, unit: 1, amount: +18.147, unit: 1, amount: +17.186, unit: 1, amount: +14.493, unit: 1, amount: +17.8872

Catalog code 2MASS J09422354+2953275, SDSS J094223.53+295327.7, [RGS2010] J094223.54+295327.8, WD 0939+301, SDSS J094223.54+295327.7, GALEX 6378445222926355983, Gaia DR2 696543403630612608

Constellation Leo

Declination unit: www.wikidata.org, amount: +29.89102917666130

Declination component of proper motion unit: www.wikidata.org, amount: -1.454

Distance from earth unit: www.wikidata.org, amount: +495.3

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.1341

Radial velocity unit: www.wikidata.org, amount: +21

Redshift unit: 1, amount: +0.00007

Right ascension unit: www.wikidata.org, amount: +145.59809635225730

Right ascension component of proper motion unit: www.wikidata.org, amount: -13.476

Spectral class M2V

External References (2)

Gaia id 696543403630612608

Simbad id GALEX J094223.5+295328

References

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

Direct Wikidata claims

[2] ↑ Q81945089 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q81945089 — constellation (P59): Leo. wikidata.org.
[4] ↑ Q81945089 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81945089 — catalog code (P528): 2MASS J09422354+2953275. SIMBAD. wikidata.org.
[6] ↑ Q81945089 — catalog code (P528): SDSS J094223.53+295327.7. SIMBAD. wikidata.org.
[7] ↑ Q81945089 — catalog code (P528): [RGS2010] J094223.54+295327.8. SIMBAD. wikidata.org.
[8] ↑ Q81945089 — catalog code (P528): WD 0939+301. SIMBAD. wikidata.org.
[9] ↑ Q81945089 — catalog code (P528): SDSS J094223.54+295327.7. SIMBAD. wikidata.org.
[10] ↑ Q81945089 — catalog code (P528): GALEX 6378445222926355983. SIMBAD. wikidata.org.
[11] ↑ Q81945089 — catalog code (P528): Gaia DR2 696543403630612608. SIMBAD. wikidata.org.
[12] ↑ Q81945089 — redshift (P1090): {'unit': '1', 'amount': '+0.00007'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[13] ↑ Q81945089 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.139'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81945089 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.429'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81945089 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.602'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q81945089 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.541'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81945089 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.819'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81945089 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.147'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[19] ↑ Q81945089 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.186'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[20] ↑ Q81945089 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.493'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[21] ↑ Q81945089 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.8872'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81945089 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.1341'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81945089 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+21'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[24] ↑ Q81945089 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+495.3'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[25] ↑ Q81945089 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+145.59809635225730'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81945089 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+29.89102917666130'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81945089 is an instance of white dwarf (Q5871) [P31, primary]. Wikidata. wikidata.org.

📑 Cite this page

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APA 4ort.xyz Knowledge Graph. (2026). Q81945089. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81945089

MLA “Q81945089.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81945089.

BibTeX

@misc{4ortxyz_q81945089_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81945089}}, year = {2026}, url = {https://4ort.xyz/entity/q81945089}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81945089 — https://4ort.xyz/entity/q81945089 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81945089 · Last refreshed: May 7, 2026