Q77417820

white dwarf in the constellation Ursa Major

Thing white_dwarf Q77417820

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Q77417820

Summary

Q77417820 is a white dwarf^[1].

Key Facts

Q77417820's instance of is recorded as white dwarf^[2].
Q77417820's constellation is recorded as Ursa Major^[3].
Q77417820's spectral class is recorded as DB+M^[4].
Q77417820's catalog code is recorded as SDSS J115950.23+400143.8^[5].
Q77417820's catalog code is recorded as 2MASS J11595023+4001440^[6].
Q77417820's catalog code is recorded as [SLH2007] J115950.16+400144.0^[7].
Q77417820's catalog code is recorded as [RGS2010] J115950.23+400143.8^[8].
Q77417820's catalog code is recorded as WD 1157+403^[9].
Q77417820's catalog code is recorded as SDSS J115950.24+400143.9^[10].
Q77417820's catalog code is recorded as SDSS J115950.24+400143.8^[11].
Q77417820's catalog code is recorded as Gaia DR2 4034799308448094848^[12].
Q77417820's redshift is recorded as {'unit': '1', 'amount': '+0.00000'}^[13].
Q77417820's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.615'}^[14].
Q77417820's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.319'}^[15].
Q77417820's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.023'}^[16].
Q77417820's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.616'}^[17].
Q77417820's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.079'}^[18].
Q77417820's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.649'}^[19].
Q77417820's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.649'}^[20].
Q77417820's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.942'}^[21].
Q77417820's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.1944'}^[22].
Q77417820's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.0540'}^[23].
Q77417820's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+36'}^[24].
Q77417820's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+535.6'}^[25].
Q77417820's SIMBAD ID is recorded as GALEX J115950.2+400145^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +19.615, unit: 1, amount: +19.319, unit: 1, amount: +17.023, unit: 1, amount: +15.616, unit: 1, amount: +15.079, unit: 1, amount: +18.649, unit: 1, amount: +17.649, unit: 1, amount: +14.942, unit: 1, amount: +18.1944

Catalog code SDSS J115950.23+400143.8, 2MASS J11595023+4001440, [SLH2007] J115950.16+400144.0, [RGS2010] J115950.23+400143.8, WD 1157+403, SDSS J115950.24+400143.9, SDSS J115950.24+400143.8, Gaia DR2 4034799308448094848

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +40.02885863028640

Declination component of proper motion unit: www.wikidata.org, amount: -0.837

Distance from earth unit: www.wikidata.org, amount: +535.6

Effective temperature unit: www.wikidata.org, amount: +19876

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.0540

Radial velocity unit: www.wikidata.org, amount: +36

Redshift unit: 1, amount: +0.00000

Right ascension unit: www.wikidata.org, amount: +179.95931489945010

Right ascension component of proper motion unit: www.wikidata.org, amount: -1.693

Spectral class DB+M

Surface gravity unit: www.wikidata.org, amount: +3160000

External References (2)

Gaia id 4034799308448094848

Simbad id GALEX J115950.2+400145

References

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

Direct Wikidata claims

[2] ↑ Q77417820 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q77417820 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q77417820 — spectral class (P215): DB+M. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[5] ↑ Q77417820 — catalog code (P528): SDSS J115950.23+400143.8. SIMBAD. wikidata.org.
[6] ↑ Q77417820 — catalog code (P528): 2MASS J11595023+4001440. SIMBAD. wikidata.org.
[7] ↑ Q77417820 — catalog code (P528): [SLH2007] J115950.16+400144.0. SIMBAD. wikidata.org.
[8] ↑ Q77417820 — catalog code (P528): [RGS2010] J115950.23+400143.8. SIMBAD. wikidata.org.
[9] ↑ Q77417820 — catalog code (P528): WD 1157+403. SIMBAD. wikidata.org.
[10] ↑ Q77417820 — catalog code (P528): SDSS J115950.24+400143.9. SIMBAD. wikidata.org.
[11] ↑ Q77417820 — catalog code (P528): SDSS J115950.24+400143.8. SIMBAD. wikidata.org.
[12] ↑ Q77417820 — catalog code (P528): Gaia DR2 4034799308448094848. SIMBAD. wikidata.org.
[13] ↑ Q77417820 — redshift (P1090): {'unit': '1', 'amount': '+0.00000'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[14] ↑ Q77417820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.615'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q77417820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.319'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q77417820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.023'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[17] ↑ Q77417820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.616'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q77417820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.079'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q77417820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.649'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[20] ↑ Q77417820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.649'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[21] ↑ Q77417820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.942'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[22] ↑ Q77417820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.1944'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q77417820 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.0540'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q77417820 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+36'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[25] ↑ Q77417820 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+535.6'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[26] ↑ Q77417820 — SIMBAD ID (P3083): GALEX J115950.2+400145. wikidata.org.

Class ancestry

[1] ↑ Q77417820 is an instance of white dwarf (Q5871) [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). Q77417820. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77417820

MLA “Q77417820.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77417820.

BibTeX

@misc{4ortxyz_q77417820_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77417820}}, year = {2026}, url = {https://4ort.xyz/entity/q77417820}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77417820 — https://4ort.xyz/entity/q77417820 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77417820 · Last refreshed: May 7, 2026