Q81946700

white dwarf in the constellation Leo

Thing white_dwarf Q81946700

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Q81946700

Summary

Q81946700 is a white dwarf^[1].

Key Facts

Q81946700's instance of is recorded as white dwarf^[2].
Q81946700's constellation is recorded as Leo^[3].
Q81946700's spectral class is recorded as DA+M^[4].
Q81946700's catalog code is recorded as 2MASS J09293051+2846497^[5].
Q81946700's catalog code is recorded as SDSS J092930.52+284649.8^[6].
Q81946700's catalog code is recorded as [HHD2009] SDSS J0929+2846^[7].
Q81946700's catalog code is recorded as SDSS J092930.51+284649.8^[8].
Q81946700's catalog code is recorded as [SLH2007] J092930.48+284649.8^[9].
Q81946700's catalog code is recorded as [RGS2010] J092930.52+284649.8^[10].
Q81946700's catalog code is recorded as WIRED J092930.52+284649.8^[11].
Q81946700's catalog code is recorded as WD 0926+289^[12].
Q81946700's catalog code is recorded as Gaia DR2 696186504732895104^[13].
Q81946700's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.217'}^[14].
Q81946700's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.859'}^[15].
Q81946700's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.454'}^[16].
Q81946700's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.165'}^[17].
Q81946700's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.354'}^[18].
Q81946700's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.981'}^[19].
Q81946700's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.052'}^[20].
Q81946700's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.094'}^[21].
Q81946700's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.5421'}^[22].
Q81946700's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+57'}^[23].
Q81946700's metallicity is recorded as {'unit': '1', 'amount': '+0.0'}^[24].
Q81946700's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+241'}^[25].
Q81946700's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+142.37716660494930'}^[26].

Body

Definition and Type

Q81946700'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: +19.217, unit: 1, amount: +18.859, unit: 1, amount: +17.454, unit: 1, amount: +16.165, unit: 1, amount: +15.354, unit: 1, amount: +18.981, unit: 1, amount: +18.052, unit: 1, amount: +15.094, unit: 1, amount: +18.5421

Catalog code 2MASS J09293051+2846497, SDSS J092930.52+284649.8, [HHD2009] SDSS J0929+2846, SDSS J092930.51+284649.8, [SLH2007] J092930.48+284649.8, [RGS2010] J092930.52+284649.8, WIRED J092930.52+284649.8, WD 0926+289, Gaia DR2 696186504732895104

Constellation Leo

Declination unit: www.wikidata.org, amount: +28.78044031992910

Declination component of proper motion unit: www.wikidata.org, amount: -14.0, unit: www.wikidata.org, amount: -14

Distance from earth unit: www.wikidata.org, amount: +241

Effective temperature unit: www.wikidata.org, amount: +6300

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.0

Radial velocity unit: www.wikidata.org, amount: +57

Right ascension unit: www.wikidata.org, amount: +142.37716660494930

Right ascension component of proper motion unit: www.wikidata.org, amount: -1.0, unit: www.wikidata.org, amount: -1

Spectral class DA+M

External References (2)

Gaia id 696186504732895104

Simbad id SDSS J092930.52+284649.8

References

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

Direct Wikidata claims

[2] ↑ Q81946700 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q81946700 — constellation (P59): Leo. wikidata.org.
[4] ↑ Q81946700 — spectral class (P215): DA+M. Spectral analysis of 636 white dwarf-M star binaries from the Sloan Digital Sky Survey. wikidata.org.
[5] ↑ Q81946700 — catalog code (P528): 2MASS J09293051+2846497. SIMBAD. wikidata.org.
[6] ↑ Q81946700 — catalog code (P528): SDSS J092930.52+284649.8. SIMBAD. wikidata.org.
[7] ↑ Q81946700 — catalog code (P528): [HHD2009] SDSS J0929+2846. SIMBAD. wikidata.org.
[8] ↑ Q81946700 — catalog code (P528): SDSS J092930.51+284649.8. SIMBAD. wikidata.org.
[9] ↑ Q81946700 — catalog code (P528): [SLH2007] J092930.48+284649.8. SIMBAD. wikidata.org.
[10] ↑ Q81946700 — catalog code (P528): [RGS2010] J092930.52+284649.8. SIMBAD. wikidata.org.
[11] ↑ Q81946700 — catalog code (P528): WIRED J092930.52+284649.8. SIMBAD. wikidata.org.
[12] ↑ Q81946700 — catalog code (P528): WD 0926+289. SIMBAD. wikidata.org.
[13] ↑ Q81946700 — catalog code (P528): Gaia DR2 696186504732895104. SIMBAD. wikidata.org.
[14] ↑ Q81946700 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.217'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81946700 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.859'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q81946700 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.454'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[17] ↑ Q81946700 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.165'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81946700 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.354'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q81946700 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.981'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[20] ↑ Q81946700 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.052'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[21] ↑ Q81946700 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.094'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[22] ↑ Q81946700 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.5421'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81946700 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+57'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[24] ↑ Q81946700 — metallicity (P2227): {'unit': '1', 'amount': '+0.0'}. Spectral analysis of 636 white dwarf-M star binaries from the Sloan Digital Sky Survey. wikidata.org.
[25] ↑ Q81946700 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+241'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[26] ↑ Q81946700 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+142.37716660494930'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81946700 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). Q81946700. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81946700

MLA “Q81946700.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81946700.

BibTeX

@misc{4ortxyz_q81946700_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81946700}}, year = {2026}, url = {https://4ort.xyz/entity/q81946700}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81946700 — https://4ort.xyz/entity/q81946700 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81946700 · Last refreshed: May 7, 2026