Q83533807

white dwarf in the constellation Hydra

Thing white_dwarf Q83533807

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Q83533807

Summary

Q83533807 is a white dwarf^[1].

Key Facts

Q83533807's instance of is recorded as white dwarf^[2].
Q83533807's constellation is recorded as Hydra^[3].
Q83533807's spectral class is recorded as DA+M^[4].
Q83533807's catalog code is recorded as SDSS J093904.03+051114.8^[5].
Q83533807's catalog code is recorded as [HHD2009] SDSS J0939+0511^[6].
Q83533807's catalog code is recorded as [SHW2006] J093904.03+051114.8^[7].
Q83533807's catalog code is recorded as [SLH2007] J093904.03+051114.8^[8].
Q83533807's catalog code is recorded as [RGS2010] J093904.03+051114.8^[9].
Q83533807's catalog code is recorded as [SGR2010] J0939+0511^[10].
Q83533807's catalog code is recorded as [SGR2010] J093904.03+051114.8^[11].
Q83533807's catalog code is recorded as WIRED J093904.03+051114.8^[12].
Q83533807's catalog code is recorded as WD 0936+054^[13].
Q83533807's catalog code is recorded as Gaia DR2 3851593836304389248^[14].
Q83533807's redshift is recorded as {'unit': '1', 'amount': '+0.00042'}^[15].
Q83533807's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.90'}^[16].
Q83533807's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.414'}^[17].
Q83533807's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.434'}^[18].
Q83533807's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.982'}^[19].
Q83533807's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.36'}^[20].
Q83533807's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.294'}^[21].
Q83533807's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.610'}^[22].
Q83533807's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.2517'}^[23].
Q83533807's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.4325'}^[24].
Q83533807's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+126'}^[25].
Q83533807's metallicity is recorded as {'unit': '1', 'amount': '+0.0'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +19.90, unit: 1, amount: +19.414, unit: 1, amount: +19.434, unit: 1, amount: +18.982, unit: 1, amount: +18.36, unit: 1, amount: +16.294, unit: 1, amount: +16.610, unit: 1, amount: +19.2517

Catalog code SDSS J093904.03+051114.8, [HHD2009] SDSS J0939+0511, [SHW2006] J093904.03+051114.8, [SLH2007] J093904.03+051114.8, [RGS2010] J093904.03+051114.8, [SGR2010] J0939+0511, [SGR2010] J093904.03+051114.8, WIRED J093904.03+051114.8, WD 0936+054, Gaia DR2 3851593836304389248

Constellation Hydra

Declination unit: www.wikidata.org, amount: +5.18742155476330

Declination component of proper motion unit: www.wikidata.org, amount: -0.377

Distance from earth unit: www.wikidata.org, amount: +380

Effective temperature unit: www.wikidata.org, amount: +8465

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.0

Parallax unit: www.wikidata.org, amount: +0.4325

Radial velocity unit: www.wikidata.org, amount: +126

Redshift unit: 1, amount: +0.00042

Right ascension unit: www.wikidata.org, amount: +144.76682189115210

Right ascension component of proper motion unit: www.wikidata.org, amount: -39.591

Spectral class DA+M

Surface gravity unit: www.wikidata.org, amount: +23000000

External References (2)

Gaia id 3851593836304389248

Simbad id SDSS J093904.03+051114.8

References

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

Direct Wikidata claims

[2] ↑ Q83533807 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q83533807 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q83533807 — spectral class (P215): DA+M. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.
[5] ↑ Q83533807 — catalog code (P528): SDSS J093904.03+051114.8. SIMBAD. wikidata.org.
[6] ↑ Q83533807 — catalog code (P528): [HHD2009] SDSS J0939+0511. SIMBAD. wikidata.org.
[7] ↑ Q83533807 — catalog code (P528): [SHW2006] J093904.03+051114.8. SIMBAD. wikidata.org.
[8] ↑ Q83533807 — catalog code (P528): [SLH2007] J093904.03+051114.8. SIMBAD. wikidata.org.
[9] ↑ Q83533807 — catalog code (P528): [RGS2010] J093904.03+051114.8. SIMBAD. wikidata.org.
[10] ↑ Q83533807 — catalog code (P528): [SGR2010] J0939+0511. SIMBAD. wikidata.org.
[11] ↑ Q83533807 — catalog code (P528): [SGR2010] J093904.03+051114.8. SIMBAD. wikidata.org.
[12] ↑ Q83533807 — catalog code (P528): WIRED J093904.03+051114.8. SIMBAD. wikidata.org.
[13] ↑ Q83533807 — catalog code (P528): WD 0936+054. SIMBAD. wikidata.org.
[14] ↑ Q83533807 — catalog code (P528): Gaia DR2 3851593836304389248. SIMBAD. wikidata.org.
[15] ↑ Q83533807 — redshift (P1090): {'unit': '1', 'amount': '+0.00042'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q83533807 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.90'}. The SDSS Photometric Catalog, Release 6. wikidata.org.
[17] ↑ Q83533807 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.414'}. The SDSS Photometric Catalog, Release 6. wikidata.org.
[18] ↑ Q83533807 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.434'}. The SDSS Photometric Catalog, Release 6. wikidata.org.
[19] ↑ Q83533807 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.982'}. The SDSS Photometric Catalog, Release 6. wikidata.org.
[20] ↑ Q83533807 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.36'}. The SDSS Photometric Catalog, Release 6. wikidata.org.
[21] ↑ Q83533807 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.294'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[22] ↑ Q83533807 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.610'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[23] ↑ Q83533807 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.2517'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q83533807 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.4325'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q83533807 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+126'}. The SDSS Photometric Catalog, Release 6. wikidata.org.
[26] ↑ Q83533807 — metallicity (P2227): {'unit': '1', 'amount': '+0.0'}. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.

Class ancestry

[1] ↑ Q83533807 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). Q83533807. Retrieved May 7, 2026, from https://4ort.xyz/entity/q83533807

MLA “Q83533807.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q83533807.

BibTeX

@misc{4ortxyz_q83533807_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q83533807}}, year = {2026}, url = {https://4ort.xyz/entity/q83533807}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q83533807 — https://4ort.xyz/entity/q83533807 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q83533807 · Last refreshed: May 7, 2026