Q81815248

white dwarf in the constellation Ursa Major

Thing white_dwarf Q81815248

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Q81815248

Summary

Q81815248 is a white dwarf^[1].

Key Facts

Q81815248's instance of is recorded as white dwarf^[2].
Q81815248's constellation is recorded as Ursa Major^[3].
Q81815248's spectral class is recorded as DA+M^[4].
Q81815248's catalog code is recorded as CSO 77^[5].
Q81815248's catalog code is recorded as Ton 1343^[6].
Q81815248's catalog code is recorded as SDSS J110938.03+323938.6^[7].
Q81815248's catalog code is recorded as [HHD2009] SDSS J1109+3239^[8].
Q81815248's catalog code is recorded as [SLH2007] J110937.92+323938.5^[9].
Q81815248's catalog code is recorded as [RGS2010] J110938.03+323938.6^[10].
Q81815248's catalog code is recorded as SDSS J110938.04+323938.6^[11].
Q81815248's catalog code is recorded as WIRED J110938.04+323938.6^[12].
Q81815248's catalog code is recorded as 2MASS J11093805+3239388^[13].
Q81815248's catalog code is recorded as WD 1106+329^[14].
Q81815248's catalog code is recorded as Gaia DR2 757866701869632896^[15].
Q81815248's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.959'}^[16].
Q81815248's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.883'}^[17].
Q81815248's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.934'}^[18].
Q81815248's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.354'}^[19].
Q81815248's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.778'}^[20].
Q81815248's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.563'}^[21].
Q81815248's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.050'}^[22].
Q81815248's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.599'}^[23].
Q81815248's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.7944'}^[24].
Q81815248's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+45'}^[25].
Q81815248's metallicity is recorded as {'unit': '1', 'amount': '+0.0'}^[26].

Body

Definition and Type

Q81815248'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: +17.959, unit: 1, amount: +17.883, unit: 1, amount: +17.934, unit: 1, amount: +17.354, unit: 1, amount: +16.778, unit: 1, amount: +15.563, unit: 1, amount: +15.050, unit: 1, amount: +14.599, unit: 1, amount: +17.7944

Catalog code CSO 77, Ton 1343, SDSS J110938.03+323938.6, [HHD2009] SDSS J1109+3239, [SLH2007] J110937.92+323938.5, [RGS2010] J110938.03+323938.6, SDSS J110938.04+323938.6, WIRED J110938.04+323938.6, 2MASS J11093805+3239388, WD 1106+329, Gaia DR2 757866701869632896

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +32.66061564257380

Distance from earth unit: www.wikidata.org, amount: +307

Effective temperature unit: www.wikidata.org, amount: +8362

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.0

Radial velocity unit: www.wikidata.org, amount: +45

Right ascension unit: www.wikidata.org, amount: +167.40841422682100

Spectral class DA+M

Surface gravity unit: www.wikidata.org, amount: +29000000

External References (2)

Gaia id 757866706164829568

Simbad id Ton 1343

References

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

Direct Wikidata claims

[2] ↑ Q81815248 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q81815248 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q81815248 — spectral class (P215): DA+M. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[5] ↑ Q81815248 — catalog code (P528): CSO 77. SIMBAD. wikidata.org.
[6] ↑ Q81815248 — catalog code (P528): Ton 1343. SIMBAD. wikidata.org.
[7] ↑ Q81815248 — catalog code (P528): SDSS J110938.03+323938.6. SIMBAD. wikidata.org.
[8] ↑ Q81815248 — catalog code (P528): [HHD2009] SDSS J1109+3239. SIMBAD. wikidata.org.
[9] ↑ Q81815248 — catalog code (P528): [SLH2007] J110937.92+323938.5. SIMBAD. wikidata.org.
[10] ↑ Q81815248 — catalog code (P528): [RGS2010] J110938.03+323938.6. SIMBAD. wikidata.org.
[11] ↑ Q81815248 — catalog code (P528): SDSS J110938.04+323938.6. SIMBAD. wikidata.org.
[12] ↑ Q81815248 — catalog code (P528): WIRED J110938.04+323938.6. SIMBAD. wikidata.org.
[13] ↑ Q81815248 — catalog code (P528): 2MASS J11093805+3239388. SIMBAD. wikidata.org.
[14] ↑ Q81815248 — catalog code (P528): WD 1106+329. SIMBAD. wikidata.org.
[15] ↑ Q81815248 — catalog code (P528): Gaia DR2 757866701869632896. SIMBAD. wikidata.org.
[16] ↑ Q81815248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.959'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q81815248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.883'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q81815248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.934'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[19] ↑ Q81815248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.354'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[20] ↑ Q81815248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.778'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[21] ↑ Q81815248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.563'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[22] ↑ Q81815248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.050'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[23] ↑ Q81815248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.599'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[24] ↑ Q81815248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.7944'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81815248 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+45'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[26] ↑ Q81815248 — metallicity (P2227): {'unit': '1', 'amount': '+0.0'}. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.

Class ancestry

[1] ↑ Q81815248 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). Q81815248. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81815248

MLA “Q81815248.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81815248.

BibTeX

@misc{4ortxyz_q81815248_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81815248}}, year = {2026}, url = {https://4ort.xyz/entity/q81815248}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81815248 — https://4ort.xyz/entity/q81815248 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81815248 · Last refreshed: May 7, 2026