Q77474392

white dwarf in the constellation Hercules

Thing white_dwarf Q77474392

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Q77474392

Summary

Q77474392 is a white dwarf^[1].

Key Facts

Q77474392's instance of is recorded as white dwarf^[2].
Q77474392's constellation is recorded as Hercules^[3].
Q77474392's spectral class is recorded as DA^[4].
Q77474392's catalog code is recorded as USNO-A2.0 1275-09037504^[5].
Q77474392's catalog code is recorded as GALEX 2433036850834705321^[6].
Q77474392's catalog code is recorded as SDSS J164306.05+442638.0^[7].
Q77474392's catalog code is recorded as SDSS J164306.06+442638.1^[8].
Q77474392's catalog code is recorded as WD 1641+445^[9].
Q77474392's catalog code is recorded as Gaia DR2 1405844569526291200^[10].
Q77474392's redshift is recorded as {'unit': '1', 'amount': '+0.00063'}^[11].
Q77474392's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.383'}^[12].
Q77474392's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.9'}^[13].
Q77474392's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.2'}^[14].
Q77474392's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.223'}^[15].
Q77474392's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.427'}^[16].
Q77474392's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.320'}^[17].
Q77474392's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.655'}^[18].
Q77474392's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.2707'}^[19].
Q77474392's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.8799'}^[20].
Q77474392's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+189'}^[21].
Q77474392's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+204.9222'}^[22].
Q77474392's SIMBAD ID is recorded as GALEX J164306.0+442638^[23].
Q77474392's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+250.77521901062150'}^[24].
Q77474392's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+44.44389733851670'}^[25].
Q77474392's epoch is recorded as J2000.0^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +18.383, unit: 1, amount: +17.9, unit: 1, amount: +18.2, unit: 1, amount: +18.223, unit: 1, amount: +18.427, unit: 1, amount: +18.320, unit: 1, amount: +18.655, unit: 1, amount: +18.2707

Catalog code USNO-A2.0 1275-09037504, GALEX 2433036850834705321, SDSS J164306.05+442638.0, SDSS J164306.06+442638.1, WD 1641+445, Gaia DR2 1405844569526291200

Constellation Hercules

Declination unit: www.wikidata.org, amount: +44.44389733851670

Declination component of proper motion unit: www.wikidata.org, amount: +40.195

Distance from earth unit: www.wikidata.org, amount: +204.9222

Effective temperature unit: www.wikidata.org, amount: +10263

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +4.8799

Radial velocity unit: www.wikidata.org, amount: +189

Redshift unit: 1, amount: +0.00063

Right ascension unit: www.wikidata.org, amount: +250.77521901062150

Right ascension component of proper motion unit: www.wikidata.org, amount: -21.591

Spectral class DA

Surface gravity unit: www.wikidata.org, amount: +224000000

External References (2)

Gaia id 1405844569526291200

Simbad id GALEX J164306.0+442638

References

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

Direct Wikidata claims

[2] ↑ Q77474392 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q77474392 — constellation (P59): Hercules. wikidata.org.
[4] ↑ Q77474392 — spectral class (P215): DA. A photometric selection of white dwarf candidates in Sloan Digital Sky Survey Data Release 10. wikidata.org.
[5] ↑ Q77474392 — catalog code (P528): USNO-A2.0 1275-09037504. SIMBAD. wikidata.org.
[6] ↑ Q77474392 — catalog code (P528): GALEX 2433036850834705321. SIMBAD. wikidata.org.
[7] ↑ Q77474392 — catalog code (P528): SDSS J164306.05+442638.0. SIMBAD. wikidata.org.
[8] ↑ Q77474392 — catalog code (P528): SDSS J164306.06+442638.1. SIMBAD. wikidata.org.
[9] ↑ Q77474392 — catalog code (P528): WD 1641+445. SIMBAD. wikidata.org.
[10] ↑ Q77474392 — catalog code (P528): Gaia DR2 1405844569526291200. SIMBAD. wikidata.org.
[11] ↑ Q77474392 — redshift (P1090): {'unit': '1', 'amount': '+0.00063'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q77474392 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.383'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q77474392 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.9'}. USNO-A2.0. wikidata.org.
[14] ↑ Q77474392 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.2'}. USNO-A2.0. wikidata.org.
[15] ↑ Q77474392 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.223'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q77474392 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.427'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q77474392 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.320'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[18] ↑ Q77474392 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.655'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[19] ↑ Q77474392 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.2707'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q77474392 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.8799'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q77474392 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+189'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[22] ↑ Q77474392 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+204.9222'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q77474392 — SIMBAD ID (P3083): GALEX J164306.0+442638. wikidata.org.
[24] ↑ Q77474392 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+250.77521901062150'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q77474392 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+44.44389733851670'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q77474392 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q77474392 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). Q77474392. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77474392

MLA “Q77474392.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77474392.

BibTeX

@misc{4ortxyz_q77474392_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77474392}}, year = {2026}, url = {https://4ort.xyz/entity/q77474392}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77474392 — https://4ort.xyz/entity/q77474392 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77474392 · Last refreshed: May 7, 2026