Q77415950

white dwarf in the constellation Leo

Thing white_dwarf Q77415950

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Q77415950

Summary

Q77415950 is a white dwarf^[1].

Key Facts

Q77415950's instance of is recorded as white dwarf^[2].
Q77415950's constellation is recorded as Leo^[3].
Q77415950's spectral class is recorded as DA+M^[4].
Q77415950's catalog code is recorded as SDSS J111810.19+131338.5^[5].
Q77415950's catalog code is recorded as 2MASS J11181020+1313386^[6].
Q77415950's catalog code is recorded as [SHW2006] J111810.19+131338.5^[7].
Q77415950's catalog code is recorded as [SLH2007] J111810.20+131338.5^[8].
Q77415950's catalog code is recorded as [RGS2010] J111810.19+131338.5^[9].
Q77415950's catalog code is recorded as [SGR2010] J1118+1313^[10].
Q77415950's catalog code is recorded as [SGR2010] J111810.19+131338.5^[11].
Q77415950's catalog code is recorded as SDSS J111810.20+131338.5^[12].
Q77415950's catalog code is recorded as WIRED J111810.19+131338.5^[13].
Q77415950's catalog code is recorded as WD 1115+135^[14].
Q77415950's catalog code is recorded as Gaia DR2 3965054846356632704^[15].
Q77415950's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.444'}^[16].
Q77415950's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.345'}^[17].
Q77415950's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.924'}^[18].
Q77415950's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.575'}^[19].
Q77415950's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.659'}^[20].
Q77415950's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.967'}^[21].
Q77415950's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.295'}^[22].
Q77415950's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.977'}^[23].
Q77415950's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.2220'}^[24].
Q77415950's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.9316'}^[25].
Q77415950's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+22.6'}^[26].

Body

Definition and Type

Q77415950'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: +18.444, unit: 1, amount: +17.345, unit: 1, amount: +15.924, unit: 1, amount: +18.575, unit: 1, amount: +18.659, unit: 1, amount: +17.967, unit: 1, amount: +15.295, unit: 1, amount: +14.977, unit: 1, amount: +18.2220

Catalog code SDSS J111810.19+131338.5, 2MASS J11181020+1313386, [SHW2006] J111810.19+131338.5, [SLH2007] J111810.20+131338.5, [RGS2010] J111810.19+131338.5, [SGR2010] J1118+1313, [SGR2010] J111810.19+131338.5, SDSS J111810.20+131338.5, WIRED J111810.19+131338.5, WD 1115+135, Gaia DR2 3965054846356632704

Constellation Leo

Declination unit: www.wikidata.org, amount: +13.22738538777220

Declination component of proper motion unit: www.wikidata.org, amount: -18.374

Distance from earth unit: www.wikidata.org, amount: +863

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: +1.9316

Radial velocity unit: www.wikidata.org, amount: +22.6

Right ascension unit: www.wikidata.org, amount: +169.54249396668660

Right ascension component of proper motion unit: www.wikidata.org, amount: -11.830

Spectral class DA+M

Surface gravity unit: www.wikidata.org, amount: +160000000

External References (2)

Gaia id 3965054846356632704

Simbad id SDSS J111810.20+131338.5

References

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

Direct Wikidata claims

[2] ↑ Q77415950 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q77415950 — constellation (P59): Leo. wikidata.org.
[4] ↑ Q77415950 — spectral class (P215): DA+M. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.
[5] ↑ Q77415950 — catalog code (P528): SDSS J111810.19+131338.5. SIMBAD. wikidata.org.
[6] ↑ Q77415950 — catalog code (P528): 2MASS J11181020+1313386. SIMBAD. wikidata.org.
[7] ↑ Q77415950 — catalog code (P528): [SHW2006] J111810.19+131338.5. SIMBAD. wikidata.org.
[8] ↑ Q77415950 — catalog code (P528): [SLH2007] J111810.20+131338.5. SIMBAD. wikidata.org.
[9] ↑ Q77415950 — catalog code (P528): [RGS2010] J111810.19+131338.5. SIMBAD. wikidata.org.
[10] ↑ Q77415950 — catalog code (P528): [SGR2010] J1118+1313. SIMBAD. wikidata.org.
[11] ↑ Q77415950 — catalog code (P528): [SGR2010] J111810.19+131338.5. SIMBAD. wikidata.org.
[12] ↑ Q77415950 — catalog code (P528): SDSS J111810.20+131338.5. SIMBAD. wikidata.org.
[13] ↑ Q77415950 — catalog code (P528): WIRED J111810.19+131338.5. SIMBAD. wikidata.org.
[14] ↑ Q77415950 — catalog code (P528): WD 1115+135. SIMBAD. wikidata.org.
[15] ↑ Q77415950 — catalog code (P528): Gaia DR2 3965054846356632704. SIMBAD. wikidata.org.
[16] ↑ Q77415950 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.444'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[17] ↑ Q77415950 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.345'}. The Fifth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[18] ↑ Q77415950 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.924'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q77415950 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.575'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[20] ↑ Q77415950 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.659'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[21] ↑ Q77415950 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.967'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[22] ↑ Q77415950 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.295'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[23] ↑ Q77415950 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.977'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[24] ↑ Q77415950 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.2220'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q77415950 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.9316'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q77415950 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+22.6'}. 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] ↑ Q77415950 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). Q77415950. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77415950

MLA “Q77415950.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77415950.

BibTeX

@misc{4ortxyz_q77415950_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77415950}}, year = {2026}, url = {https://4ort.xyz/entity/q77415950}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77415950 — https://4ort.xyz/entity/q77415950 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77415950 · Last refreshed: May 7, 2026