Q81766163

white dwarf in the constellation Cetus

Thing white_dwarf Q81766163

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Q81766163

Summary

Q81766163 is a white dwarf^[1].

Key Facts

Q81766163's instance of is recorded as white dwarf^[2].
Q81766163's constellation is recorded as Cetus^[3].
Q81766163's spectral class is recorded as DA+M2.^[4].
Q81766163's spectral class is recorded as DA+M^[5].
Q81766163's catalog code is recorded as 2MASS J02295430+0019469^[6].
Q81766163's catalog code is recorded as SDSS J022954.30+001946.8^[7].
Q81766163's catalog code is recorded as [SLH2007] J022954.30+001946.9^[8].
Q81766163's catalog code is recorded as [RGS2010] J022954.29+001946.9^[9].
Q81766163's catalog code is recorded as [SGR2010] J0229+0019^[10].
Q81766163's catalog code is recorded as [SGR2010] J022954.29+001946.9^[11].
Q81766163's catalog code is recorded as WD 0227+001^[12].
Q81766163's catalog code is recorded as SDSS J022954.30+001946.9^[13].
Q81766163's catalog code is recorded as Gaia DR2 2500463340494104192^[14].
Q81766163's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.394'}^[15].
Q81766163's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.305'}^[16].
Q81766163's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.817'}^[17].
Q81766163's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.249'}^[18].
Q81766163's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.335'}^[19].
Q81766163's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.566'}^[20].
Q81766163's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.991'}^[21].
Q81766163's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.719'}^[22].
Q81766163's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.0379'}^[23].
Q81766163's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.8041'}^[24].
Q81766163's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+14.1'}^[25].
Q81766163's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+599.4'}^[26].

Body

Definition and Type

Q81766163'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: +20.394, unit: 1, amount: +19.305, unit: 1, amount: +16.817, unit: 1, amount: +18.249, unit: 1, amount: +17.335, unit: 1, amount: +15.566, unit: 1, amount: +14.991, unit: 1, amount: +14.719, unit: 1, amount: +18.0379

Catalog code 2MASS J02295430+0019469, SDSS J022954.30+001946.8, [SLH2007] J022954.30+001946.9, [RGS2010] J022954.29+001946.9, [SGR2010] J0229+0019, [SGR2010] J022954.29+001946.9, WD 0227+001, SDSS J022954.30+001946.9, Gaia DR2 2500463340494104192

Constellation Cetus

Declination unit: www.wikidata.org, amount: +0.32970085918810

Declination component of proper motion unit: www.wikidata.org, amount: -3.334

Distance from earth unit: www.wikidata.org, amount: +599.4

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.8041

Radial velocity unit: www.wikidata.org, amount: +14.1

Right ascension unit: www.wikidata.org, amount: +37.47623460702470

Right ascension component of proper motion unit: www.wikidata.org, amount: +7.356

Spectral class DA+M2., DA+M

External References (2)

Gaia id 2500463340494104192

Simbad id GALEX J022954.2+001946

References

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

Direct Wikidata claims

[2] ↑ Q81766163 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q81766163 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81766163 — spectral class (P215): DA+M2.. Post common envelope binaries from SDSS. VIII. Evidence for disrupted magnetic braking. wikidata.org.
[5] ↑ Q81766163 — spectral class (P215): DA+M. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[6] ↑ Q81766163 — catalog code (P528): 2MASS J02295430+0019469. SIMBAD. wikidata.org.
[7] ↑ Q81766163 — catalog code (P528): SDSS J022954.30+001946.8. SIMBAD. wikidata.org.
[8] ↑ Q81766163 — catalog code (P528): [SLH2007] J022954.30+001946.9. SIMBAD. wikidata.org.
[9] ↑ Q81766163 — catalog code (P528): [RGS2010] J022954.29+001946.9. SIMBAD. wikidata.org.
[10] ↑ Q81766163 — catalog code (P528): [SGR2010] J0229+0019. SIMBAD. wikidata.org.
[11] ↑ Q81766163 — catalog code (P528): [SGR2010] J022954.29+001946.9. SIMBAD. wikidata.org.
[12] ↑ Q81766163 — catalog code (P528): WD 0227+001. SIMBAD. wikidata.org.
[13] ↑ Q81766163 — catalog code (P528): SDSS J022954.30+001946.9. SIMBAD. wikidata.org.
[14] ↑ Q81766163 — catalog code (P528): Gaia DR2 2500463340494104192. SIMBAD. wikidata.org.
[15] ↑ Q81766163 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.394'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q81766163 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.305'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[17] ↑ Q81766163 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.817'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[18] ↑ Q81766163 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.249'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[19] ↑ Q81766163 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.335'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[20] ↑ Q81766163 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.566'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[21] ↑ Q81766163 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.991'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[22] ↑ Q81766163 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.719'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[23] ↑ Q81766163 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.0379'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81766163 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.8041'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81766163 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+14.1'}. Constraining the age-activity relation for cool stars: the Sloan Digital Sky Survey Data Release 5 low-mass star spectroscopic sample. wikidata.org.
[26] ↑ Q81766163 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+599.4'}. Constraining the age-activity relation for cool stars: the Sloan Digital Sky Survey Data Release 5 low-mass star spectroscopic sample. wikidata.org.

Class ancestry

[1] ↑ Q81766163 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). Q81766163. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81766163

MLA “Q81766163.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81766163.

BibTeX

@misc{4ortxyz_q81766163_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81766163}}, year = {2026}, url = {https://4ort.xyz/entity/q81766163}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81766163 — https://4ort.xyz/entity/q81766163 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81766163 · Last refreshed: May 7, 2026