Q77415248

white dwarf in the constellation Leo Minor

Thing white_dwarf Q77415248

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Q77415248

Summary

Q77415248 is a white dwarf^[1].

Key Facts

Q77415248's instance of is recorded as white dwarf^[2].
Q77415248's constellation is recorded as Leo Minor^[3].
Q77415248's spectral class is recorded as DA+M^[4].
Q77415248's catalog code is recorded as 2MASS J10001518+3043306^[5].
Q77415248's catalog code is recorded as SDSS J100015.18+304330.5^[6].
Q77415248's catalog code is recorded as [HHD2009] SDSS J1000+3043^[7].
Q77415248's catalog code is recorded as [RGS2010] J100015.18+304330.5^[8].
Q77415248's catalog code is recorded as [SLH2007] J100015.12+304330.4^[9].
Q77415248's catalog code is recorded as SDSS J100015.19+304330.5^[10].
Q77415248's catalog code is recorded as WIRED J100015.18+304330.5^[11].
Q77415248's catalog code is recorded as WD 0957+309^[12].
Q77415248's catalog code is recorded as Gaia DR2 744171081954649600^[13].
Q77415248's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.782'}^[14].
Q77415248's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.183'}^[15].
Q77415248's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.880'}^[16].
Q77415248's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.043'}^[17].
Q77415248's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.503'}^[18].
Q77415248's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.827'}^[19].
Q77415248's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.514'}^[20].
Q77415248's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.860'}^[21].
Q77415248's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.3187'}^[22].
Q77415248's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.3732'}^[23].
Q77415248's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-93'}^[24].
Q77415248's metallicity is recorded as {'unit': '1', 'amount': '+0.0'}^[25].
Q77415248's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+421.3720'}^[26].

⭐ Popularity Graph

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +19.782, unit: 1, amount: +19.183, unit: 1, amount: +18.880, unit: 1, amount: +17.043, unit: 1, amount: +15.503, unit: 1, amount: +14.827, unit: 1, amount: +14.514, unit: 1, amount: +17.860, unit: 1, amount: +18.3187

Catalog code 2MASS J10001518+3043306, SDSS J100015.18+304330.5, [HHD2009] SDSS J1000+3043, [RGS2010] J100015.18+304330.5, [SLH2007] J100015.12+304330.4, SDSS J100015.19+304330.5, WIRED J100015.18+304330.5, WD 0957+309, Gaia DR2 744171081954649600

Constellation Leo Minor

Declination unit: www.wikidata.org, amount: +30.72515171987250

Declination component of proper motion unit: www.wikidata.org, amount: -29.105

Distance from earth unit: www.wikidata.org, amount: +421.3720

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

Parallax unit: www.wikidata.org, amount: +2.3732

Radial velocity unit: www.wikidata.org, amount: -93

Right ascension unit: www.wikidata.org, amount: +150.06324080707660

Right ascension component of proper motion unit: www.wikidata.org, amount: +26.761

Spectral class DA+M

External References (2)

Gaia id 744171081954649600

Simbad id SDSS J100015.18+304330.5

References

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

Direct Wikidata claims

[2] ↑ Q77415248 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q77415248 — constellation (P59): Leo Minor. wikidata.org.
[4] ↑ Q77415248 — spectral class (P215): DA+M. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.
[5] ↑ Q77415248 — catalog code (P528): 2MASS J10001518+3043306. SIMBAD. wikidata.org.
[6] ↑ Q77415248 — catalog code (P528): SDSS J100015.18+304330.5. SIMBAD. wikidata.org.
[7] ↑ Q77415248 — catalog code (P528): [HHD2009] SDSS J1000+3043. SIMBAD. wikidata.org.
[8] ↑ Q77415248 — catalog code (P528): [RGS2010] J100015.18+304330.5. SIMBAD. wikidata.org.
[9] ↑ Q77415248 — catalog code (P528): [SLH2007] J100015.12+304330.4. SIMBAD. wikidata.org.
[10] ↑ Q77415248 — catalog code (P528): SDSS J100015.19+304330.5. SIMBAD. wikidata.org.
[11] ↑ Q77415248 — catalog code (P528): WIRED J100015.18+304330.5. SIMBAD. wikidata.org.
[12] ↑ Q77415248 — catalog code (P528): WD 0957+309. SIMBAD. wikidata.org.
[13] ↑ Q77415248 — catalog code (P528): Gaia DR2 744171081954649600. SIMBAD. wikidata.org.
[14] ↑ Q77415248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.782'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q77415248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.183'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q77415248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.880'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[17] ↑ Q77415248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.043'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[18] ↑ Q77415248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.503'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q77415248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.827'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[20] ↑ Q77415248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.514'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[21] ↑ Q77415248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.860'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[22] ↑ Q77415248 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.3187'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q77415248 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.3732'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q77415248 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-93'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[25] ↑ Q77415248 — metallicity (P2227): {'unit': '1', 'amount': '+0.0'}. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.
[26] ↑ Q77415248 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+421.3720'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q77415248 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). Q77415248. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77415248

MLA “Q77415248.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77415248.

BibTeX

@misc{4ortxyz_q77415248_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77415248}}, year = {2026}, url = {https://4ort.xyz/entity/q77415248}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77415248 — https://4ort.xyz/entity/q77415248 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77415248 · Last refreshed: May 7, 2026