Q89403974

white dwarf in the constellation Hercules

Thing white_dwarf Q89403974

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Q89403974

Summary

Q89403974 is a white dwarf^[1].

Key Facts

Q89403974's instance of is recorded as white dwarf^[2].
Q89403974's constellation is recorded as Hercules^[3].
Q89403974's spectral class is recorded as DA^[4].
Q89403974's catalog code is recorded as PG 1632+177^[5].
Q89403974's catalog code is recorded as WD 1632+177^[6].
Q89403974's catalog code is recorded as [TFW97] J163441.74+173634.60^[7].
Q89403974's catalog code is recorded as UCAC4 539-058414^[8].
Q89403974's catalog code is recorded as 2MASS J16344185+1736340^[9].
Q89403974's catalog code is recorded as WISE J163441.90+173633.8^[10].
Q89403974's catalog code is recorded as SDSS J163441.87+173633.9^[11].
Q89403974's catalog code is recorded as LAMOST J163441.84+173634.1^[12].
Q89403974's catalog code is recorded as Gaia DR2 4466388790929771904^[13].
Q89403974's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.36'}^[14].
Q89403974's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.14'}^[15].
Q89403974's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.049'}^[16].
Q89403974's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.989'}^[17].
Q89403974's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.076'}^[18].
Q89403974's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.34'}^[19].
Q89403974's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.37'}^[20].
Q89403974's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.21'}^[21].
Q89403974's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.43'}^[22].
Q89403974's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.1563'}^[23].
Q89403974's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+39.0471'}^[24].
Q89403974's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+25.6101'}^[25].
Q89403974's SIMBAD ID is recorded as PG 1632+177^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +13.36, unit: 1, amount: +13.14, unit: 1, amount: +13.049, unit: 1, amount: +12.989, unit: 1, amount: +13.076, unit: 1, amount: +13.34, unit: 1, amount: +13.37, unit: 1, amount: +13.21, unit: 1, amount: +13.43, unit: 1, amount: +13.1563

Catalog code PG 1632+177, WD 1632+177, [TFW97] J163441.74+173634.60, UCAC4 539-058414, 2MASS J16344185+1736340, WISE J163441.90+173633.8, SDSS J163441.87+173633.9, LAMOST J163441.84+173634.1, Gaia DR2 4466388790929771904

Constellation Hercules

Declination unit: www.wikidata.org, amount: +17.60946907325480

Declination component of proper motion unit: www.wikidata.org, amount: -32.665

Distance from earth unit: www.wikidata.org, amount: +25.6101

Effective temperature unit: www.wikidata.org, amount: +18596

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +39.0471

Right ascension unit: www.wikidata.org, amount: +248.67436599913770

Right ascension component of proper motion unit: www.wikidata.org, amount: +77.810

Spectral class DA

Surface gravity unit: www.wikidata.org, amount: +21400000

External References (2)

Gaia id 4466388790929771904

Simbad id PG 1632+177

References

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

Direct Wikidata claims

[2] ↑ Q89403974 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q89403974 — constellation (P59): Hercules. wikidata.org.
[4] ↑ Q89403974 — spectral class (P215): DA. White dwarfs identified in LAMOST DR 2. wikidata.org.
[5] ↑ Q89403974 — catalog code (P528): PG 1632+177. SIMBAD. wikidata.org.
[6] ↑ Q89403974 — catalog code (P528): WD 1632+177. SIMBAD. wikidata.org.
[7] ↑ Q89403974 — catalog code (P528): [TFW97] J163441.74+173634.60. SIMBAD. wikidata.org.
[8] ↑ Q89403974 — catalog code (P528): UCAC4 539-058414. SIMBAD. wikidata.org.
[9] ↑ Q89403974 — catalog code (P528): 2MASS J16344185+1736340. SIMBAD. wikidata.org.
[10] ↑ Q89403974 — catalog code (P528): WISE J163441.90+173633.8. SIMBAD. wikidata.org.
[11] ↑ Q89403974 — catalog code (P528): SDSS J163441.87+173633.9. SIMBAD. wikidata.org.
[12] ↑ Q89403974 — catalog code (P528): LAMOST J163441.84+173634.1. SIMBAD. wikidata.org.
[13] ↑ Q89403974 — catalog code (P528): Gaia DR2 4466388790929771904. SIMBAD. wikidata.org.
[14] ↑ Q89403974 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.36'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[15] ↑ Q89403974 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.14'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[16] ↑ Q89403974 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.049'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q89403974 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.989'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q89403974 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.076'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q89403974 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.34'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[20] ↑ Q89403974 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.37'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[21] ↑ Q89403974 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.21'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[22] ↑ Q89403974 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.43'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[23] ↑ Q89403974 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.1563'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q89403974 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+39.0471'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q89403974 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+25.6101'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q89403974 — SIMBAD ID (P3083): PG 1632+177. wikidata.org.

Class ancestry

[1] ↑ Q89403974 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). Q89403974. Retrieved May 7, 2026, from https://4ort.xyz/entity/q89403974

MLA “Q89403974.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q89403974.

BibTeX

@misc{4ortxyz_q89403974_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q89403974}}, year = {2026}, url = {https://4ort.xyz/entity/q89403974}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q89403974 — https://4ort.xyz/entity/q89403974 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q89403974 · Last refreshed: May 7, 2026