Q81508401

white dwarf in the constellation Canes Venatici

Thing white_dwarf Q81508401

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Q81508401

Summary

Q81508401 is a white dwarf^[1].

Key Facts

Q81508401's instance of is recorded as white dwarf^[2].
Q81508401's constellation is recorded as Canes Venatici^[3].
Q81508401's spectral class is recorded as DA+M^[4].
Q81508401's catalog code is recorded as Balloon 114041004^[5].
Q81508401's catalog code is recorded as LB 2318^[6].
Q81508401's catalog code is recorded as PG 1218+497^[7].
Q81508401's catalog code is recorded as SBSS 1218+497^[8].
Q81508401's catalog code is recorded as WD 1218+497^[9].
Q81508401's catalog code is recorded as 2MASS J12210535+4927207^[10].
Q81508401's catalog code is recorded as SDSS J122105.34+492720.5^[11].
Q81508401's catalog code is recorded as [HHD2009] SDSS J1221+4927^[12].
Q81508401's catalog code is recorded as WDS J12211+4927AB^[13].
Q81508401's catalog code is recorded as [SHW2006] J122105.34+492720.5^[14].
Q81508401's catalog code is recorded as [SLH2007] J122105.35+492720.6^[15].
Q81508401's catalog code is recorded as [RGS2010] J122105.34+492720.5^[16].
Q81508401's catalog code is recorded as SDSS J122105.35+492720.5^[17].
Q81508401's catalog code is recorded as WIRED J122105.34+492720.5^[18].
Q81508401's catalog code is recorded as Gaia DR2 1547120238763052160^[19].
Q81508401's redshift is recorded as {'unit': '1', 'amount': '+0.00036'}^[20].
Q81508401's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.24'}^[21].
Q81508401's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.12'}^[22].
Q81508401's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.588'}^[23].
Q81508401's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.002'}^[24].
Q81508401's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.837'}^[25].
Q81508401's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.791'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +16.24, unit: 1, amount: +16.12, unit: 1, amount: +14.588, unit: 1, amount: +14.002, unit: 1, amount: +13.837, unit: 1, amount: +15.791, unit: 1, amount: +16.102, unit: 1, amount: +16.465, unit: 1, amount: +16.257, unit: 1, amount: +15.889, unit: 1, amount: +16.2935

Catalog code Balloon 114041004, LB 2318, PG 1218+497, SBSS 1218+497, WD 1218+497, 2MASS J12210535+4927207, SDSS J122105.34+492720.5, [HHD2009] SDSS J1221+4927, WDS J12211+4927AB, [SHW2006] J122105.34+492720.5, [SLH2007] J122105.35+492720.6, [RGS2010] J122105.34+492720.5, SDSS J122105.35+492720.5, WIRED J122105.34+492720.5, Gaia DR2 1547120238763052160

Constellation Canes Venatici

Declination unit: www.wikidata.org, amount: +49.45571100736230

Declination component of proper motion unit: www.wikidata.org, amount: -14.908

Distance from earth unit: www.wikidata.org, amount: +189.1396

Effective temperature unit: www.wikidata.org, amount: +40095

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.0

Parallax unit: www.wikidata.org, amount: +5.2871

Radial velocity unit: www.wikidata.org, amount: +108

Redshift unit: 1, amount: +0.00036

Right ascension unit: www.wikidata.org, amount: +185.27236687648290

Right ascension component of proper motion unit: www.wikidata.org, amount: -61.688

Spectral class DA+M

Surface gravity unit: www.wikidata.org, amount: +35000000

External References (2)

Gaia id 1547120238763907584

Simbad id PG 1218+497

References

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

Direct Wikidata claims

[2] ↑ Q81508401 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q81508401 — constellation (P59): Canes Venatici. wikidata.org.
[4] ↑ Q81508401 — spectral class (P215): DA+M. SDSS DR7 white dwarf catalog. wikidata.org.
[5] ↑ Q81508401 — catalog code (P528): Balloon 114041004. SIMBAD. wikidata.org.
[6] ↑ Q81508401 — catalog code (P528): LB 2318. SIMBAD. wikidata.org.
[7] ↑ Q81508401 — catalog code (P528): PG 1218+497. SIMBAD. wikidata.org.
[8] ↑ Q81508401 — catalog code (P528): SBSS 1218+497. SIMBAD. wikidata.org.
[9] ↑ Q81508401 — catalog code (P528): WD 1218+497. SIMBAD. wikidata.org.
[10] ↑ Q81508401 — catalog code (P528): 2MASS J12210535+4927207. SIMBAD. wikidata.org.
[11] ↑ Q81508401 — catalog code (P528): SDSS J122105.34+492720.5. SIMBAD. wikidata.org.
[12] ↑ Q81508401 — catalog code (P528): [HHD2009] SDSS J1221+4927. SIMBAD. wikidata.org.
[13] ↑ Q81508401 — catalog code (P528): WDS J12211+4927AB. SIMBAD. wikidata.org.
[14] ↑ Q81508401 — catalog code (P528): [SHW2006] J122105.34+492720.5. SIMBAD. wikidata.org.
[15] ↑ Q81508401 — catalog code (P528): [SLH2007] J122105.35+492720.6. SIMBAD. wikidata.org.
[16] ↑ Q81508401 — catalog code (P528): [RGS2010] J122105.34+492720.5. SIMBAD. wikidata.org.
[17] ↑ Q81508401 — catalog code (P528): SDSS J122105.35+492720.5. SIMBAD. wikidata.org.
[18] ↑ Q81508401 — catalog code (P528): WIRED J122105.34+492720.5. SIMBAD. wikidata.org.
[19] ↑ Q81508401 — catalog code (P528): Gaia DR2 1547120238763052160. SIMBAD. wikidata.org.
[20] ↑ Q81508401 — redshift (P1090): {'unit': '1', 'amount': '+0.00036'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[21] ↑ Q81508401 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.24'}. SIMBAD. wikidata.org.
[22] ↑ Q81508401 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.12'}. SIMBAD. wikidata.org.
[23] ↑ Q81508401 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.588'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[24] ↑ Q81508401 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.002'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[25] ↑ Q81508401 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.837'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[26] ↑ Q81508401 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.791'}. The SDSS Photometric Catalog, Release 7. wikidata.org.

Class ancestry

[1] ↑ Q81508401 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). Q81508401. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81508401

MLA “Q81508401.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81508401.

BibTeX

@misc{4ortxyz_q81508401_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81508401}}, year = {2026}, url = {https://4ort.xyz/entity/q81508401}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81508401 — https://4ort.xyz/entity/q81508401 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81508401 · Last refreshed: May 7, 2026