Q89312471

white dwarf in the constellation Hercules

Thing white_dwarf Q89312471

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Q89312471

Summary

Q89312471 is a white dwarf^[1].

Key Facts

Q89312471's instance of is recorded as white dwarf^[2].
Q89312471's constellation is recorded as Hercules^[3].
Q89312471's spectral class is recorded as DA1.8^[4].
Q89312471's catalog code is recorded as USNO-B1.0 1042-00283714^[5].
Q89312471's catalog code is recorded as SDSS J164539.15+141746.4^[6].
Q89312471's catalog code is recorded as WISE J164539.16+141746.8^[7].
Q89312471's catalog code is recorded as UCAC4 522-060225^[8].
Q89312471's catalog code is recorded as Gaia DR2 4461698343042893568^[9].
Q89312471's catalog code is recorded as PG 1643+144^[10].
Q89312471's catalog code is recorded as HS 1643+1423^[11].
Q89312471's catalog code is recorded as WD 1643+143^[12].
Q89312471's catalog code is recorded as 2MASS J16453913+1417462^[13].
Q89312471's catalog code is recorded as 1SWASP J164539.13+141746.3^[14].
Q89312471's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.982'}^[15].
Q89312471's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.433'}^[16].
Q89312471's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.125'}^[17].
Q89312471's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.540'}^[18].
Q89312471's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.708'}^[19].
Q89312471's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.36'}^[20].
Q89312471's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.82'}^[21].
Q89312471's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.9527'}^[22].
Q89312471's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.732'}^[23].
Q89312471's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.12'}^[24].
Q89312471's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.957'}^[25].
Q89312471's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+133'}^[26].

Body

Definition and Type

Q89312471's instance of is recorded as white dwarf^[2].

⭐ Popularity Graph

0/100 established

Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +13.982, unit: 1, amount: +14.433, unit: 1, amount: +15.125, unit: 1, amount: +15.540, unit: 1, amount: +15.708, unit: 1, amount: +15.36, unit: 1, amount: +15.82, unit: 1, amount: +14.9527, unit: 1, amount: +12.732, unit: 1, amount: +12.12, unit: 1, amount: +11.957

Catalog code USNO-B1.0 1042-00283714, SDSS J164539.15+141746.4, WISE J164539.16+141746.8, UCAC4 522-060225, Gaia DR2 4461698343042893568, PG 1643+144, HS 1643+1423, WD 1643+143, 2MASS J16453913+1417462, 1SWASP J164539.13+141746.3

Constellation Hercules

Declination unit: www.wikidata.org, amount: +14.2961242000

Declination component of proper motion unit: www.wikidata.org, amount: +61.4

Distance from earth unit: www.wikidata.org, amount: +133

Effective temperature unit: www.wikidata.org, amount: +28040

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Right ascension unit: www.wikidata.org, amount: +251.4130745000

Right ascension component of proper motion unit: www.wikidata.org, amount: +48.5

Spectral class DA1.8

Surface gravity unit: www.wikidata.org, amount: +59000000

External References (2)

Gaia id 4461698343042893568

Simbad id PG 1643+144

References

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

Direct Wikidata claims

[2] ↑ Q89312471 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q89312471 — constellation (P59): Hercules. wikidata.org.
[4] ↑ Q89312471 — spectral class (P215): DA1.8. A spectroscopic survey and analysis of bright, hydrogen-rich white dwarfs. wikidata.org.
[5] ↑ Q89312471 — catalog code (P528): USNO-B1.0 1042-00283714. SIMBAD. wikidata.org.
[6] ↑ Q89312471 — catalog code (P528): SDSS J164539.15+141746.4. SIMBAD. wikidata.org.
[7] ↑ Q89312471 — catalog code (P528): WISE J164539.16+141746.8. SIMBAD. wikidata.org.
[8] ↑ Q89312471 — catalog code (P528): UCAC4 522-060225. SIMBAD. wikidata.org.
[9] ↑ Q89312471 — catalog code (P528): Gaia DR2 4461698343042893568. SIMBAD. wikidata.org.
[10] ↑ Q89312471 — catalog code (P528): PG 1643+144. SIMBAD. wikidata.org.
[11] ↑ Q89312471 — catalog code (P528): HS 1643+1423. SIMBAD. wikidata.org.
[12] ↑ Q89312471 — catalog code (P528): WD 1643+143. SIMBAD. wikidata.org.
[13] ↑ Q89312471 — catalog code (P528): 2MASS J16453913+1417462. SIMBAD. wikidata.org.
[14] ↑ Q89312471 — catalog code (P528): 1SWASP J164539.13+141746.3. SIMBAD. wikidata.org.
[15] ↑ Q89312471 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.982'}. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey. wikidata.org.
[16] ↑ Q89312471 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.433'}. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey. wikidata.org.
[17] ↑ Q89312471 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.125'}. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey. wikidata.org.
[18] ↑ Q89312471 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.540'}. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey. wikidata.org.
[19] ↑ Q89312471 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.708'}. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey. wikidata.org.
[20] ↑ Q89312471 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.36'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[21] ↑ Q89312471 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.82'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[22] ↑ Q89312471 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.9527'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q89312471 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.732'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[24] ↑ Q89312471 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.12'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[25] ↑ Q89312471 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.957'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[26] ↑ Q89312471 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+133'}. A spectroscopic survey and analysis of bright, hydrogen-rich white dwarfs. wikidata.org.

Class ancestry

[1] ↑ Q89312471 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). Q89312471. Retrieved May 7, 2026, from https://4ort.xyz/entity/q89312471

MLA “Q89312471.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q89312471.

BibTeX

@misc{4ortxyz_q89312471_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q89312471}}, year = {2026}, url = {https://4ort.xyz/entity/q89312471}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q89312471 — https://4ort.xyz/entity/q89312471 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q89312471 · Last refreshed: May 7, 2026