Q77421441

white dwarf in the constellation Ursa Major

Thing white_dwarf Q77421441

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Q77421441

Summary

Q77421441 is a white dwarf^[1].

Key Facts

Q77421441's instance of is recorded as white dwarf^[2].
Q77421441's constellation is recorded as Ursa Major^[3].
Q77421441's spectral class is recorded as M0V^[4].
Q77421441's catalog code is recorded as 2MASS J10225477+5803339^[5].
Q77421441's catalog code is recorded as SDSS J102254.77+580333.9^[6].
Q77421441's catalog code is recorded as [HHD2009] SDSS J1022+5803^[7].
Q77421441's catalog code is recorded as SDSS J102254.77+580334.0^[8].
Q77421441's catalog code is recorded as [SLH2007] J102254.76+580334.0^[9].
Q77421441's catalog code is recorded as [SHW2006] J102254.75+580333.9^[10].
Q77421441's catalog code is recorded as [RGS2010] J102254.75+580333.9^[11].
Q77421441's catalog code is recorded as WD 1019+583^[12].
Q77421441's catalog code is recorded as SDSS J102254.76+580334.3^[13].
Q77421441's catalog code is recorded as SDSS J102254.76+580334.0^[14].
Q77421441's catalog code is recorded as Gaia DR2 1047119868648949248^[15].
Q77421441's redshift is recorded as {'unit': '1', 'amount': '-0.00032'}^[16].
Q77421441's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.292'}^[17].
Q77421441's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.318'}^[18].
Q77421441's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.697'}^[19].
Q77421441's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.558'}^[20].
Q77421441's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.517'}^[21].
Q77421441's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.583'}^[22].
Q77421441's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.912'}^[23].
Q77421441's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.511'}^[24].
Q77421441's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.4866'}^[25].
Q77421441's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.8598'}^[26].

Body

Definition and Type

Q77421441's instance of is recorded as white dwarf^[2].

⭐ Popularity Graph

0/100 established

Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +18.292, unit: 1, amount: +14.318, unit: 1, amount: +13.697, unit: 1, amount: +13.558, unit: 1, amount: +17.517, unit: 1, amount: +16.583, unit: 1, amount: +15.912, unit: 1, amount: +15.511, unit: 1, amount: +16.4866

Catalog code 2MASS J10225477+5803339, SDSS J102254.77+580333.9, [HHD2009] SDSS J1022+5803, SDSS J102254.77+580334.0, [SLH2007] J102254.76+580334.0, [SHW2006] J102254.75+580333.9, [RGS2010] J102254.75+580333.9, WD 1019+583, SDSS J102254.76+580334.3, SDSS J102254.76+580334.0, Gaia DR2 1047119868648949248

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +58.05941950982090

Declination component of proper motion unit: www.wikidata.org, amount: +20.093

Distance from earth unit: www.wikidata.org, amount: +470.1

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.8598

Radial velocity unit: www.wikidata.org, amount: -81

Redshift unit: 1, amount: -0.00032

Right ascension unit: www.wikidata.org, amount: +155.72821688296940

Right ascension component of proper motion unit: www.wikidata.org, amount: +3.560

Spectral class M0V

External References (2)

Gaia id 1047119868648949248

Simbad id GALEX J102254.7+580334

References

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

Direct Wikidata claims

[2] ↑ Q77421441 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q77421441 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q77421441 — spectral class (P215): M0V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q77421441 — catalog code (P528): 2MASS J10225477+5803339. SIMBAD. wikidata.org.
[6] ↑ Q77421441 — catalog code (P528): SDSS J102254.77+580333.9. SIMBAD. wikidata.org.
[7] ↑ Q77421441 — catalog code (P528): [HHD2009] SDSS J1022+5803. SIMBAD. wikidata.org.
[8] ↑ Q77421441 — catalog code (P528): SDSS J102254.77+580334.0. SIMBAD. wikidata.org.
[9] ↑ Q77421441 — catalog code (P528): [SLH2007] J102254.76+580334.0. SIMBAD. wikidata.org.
[10] ↑ Q77421441 — catalog code (P528): [SHW2006] J102254.75+580333.9. SIMBAD. wikidata.org.
[11] ↑ Q77421441 — catalog code (P528): [RGS2010] J102254.75+580333.9. SIMBAD. wikidata.org.
[12] ↑ Q77421441 — catalog code (P528): WD 1019+583. SIMBAD. wikidata.org.
[13] ↑ Q77421441 — catalog code (P528): SDSS J102254.76+580334.3. SIMBAD. wikidata.org.
[14] ↑ Q77421441 — catalog code (P528): SDSS J102254.76+580334.0. SIMBAD. wikidata.org.
[15] ↑ Q77421441 — catalog code (P528): Gaia DR2 1047119868648949248. SIMBAD. wikidata.org.
[16] ↑ Q77421441 — redshift (P1090): {'unit': '1', 'amount': '-0.00032'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q77421441 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.292'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[18] ↑ Q77421441 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.318'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q77421441 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.697'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[20] ↑ Q77421441 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.558'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[21] ↑ Q77421441 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.517'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[22] ↑ Q77421441 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.583'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[23] ↑ Q77421441 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.912'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[24] ↑ Q77421441 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.511'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[25] ↑ Q77421441 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.4866'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q77421441 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.8598'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q77421441 is an instance of white dwarf (Q5871) [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). Q77421441. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77421441

MLA “Q77421441.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77421441.

BibTeX

@misc{4ortxyz_q77421441_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77421441}}, year = {2026}, url = {https://4ort.xyz/entity/q77421441}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77421441 — https://4ort.xyz/entity/q77421441 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77421441 · Last refreshed: May 7, 2026