Q74693973

Thing white_dwarf Q74693973

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Q74693973

Summary

Q74693973 is a white dwarf^[1].

Key Facts

Q74693973's instance of is recorded as white dwarf^[2].
Q74693973's spectral class is recorded as DA2.9^[3].
Q74693973's part of is recorded as ** FAR 18^[4].
Q74693973's companion of is recorded as Q74694180^[5].
Q74693973's catalog code is recorded as PG 1619+123^[6].
Q74693973's catalog code is recorded as WD 1619+123^[7].
Q74693973's catalog code is recorded as SDSS J162203.88+121333.1^[8].
Q74693973's catalog code is recorded as USNO-B1.0 1022-00310196^[9].
Q74693973's catalog code is recorded as WDS J16221+1214B^[10].
Q74693973's catalog code is recorded as 2MASS J16220386+1213336^[11].
Q74693973's catalog code is recorded as Gaia DR2 4460086458999242368^[12].
Q74693973's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.95'}^[13].
Q74693973's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.0'}^[14].
Q74693973's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.102'}^[15].
Q74693973's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.50'}^[16].
Q74693973's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.68'}^[17].
Q74693973's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.83'}^[18].
Q74693973's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.40'}^[19].
Q74693973's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.995'}^[20].
Q74693973's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.993'}^[21].
Q74693973's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.011'}^[22].
Q74693973's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.6765'}^[23].
Q74693973's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+17.9485'}^[24].
Q74693973's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-2.2'}^[25].
Q74693973's metallicity is recorded as {'unit': '1', 'amount': '+259'}^[26].

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Quick Facts

Instance of white dwarf

Part of ** FAR 18

Properties

Apparent magnitude unit: 1, amount: +14.95, unit: 1, amount: +15.0, unit: 1, amount: +15.102, unit: 1, amount: +14.50, unit: 1, amount: +14.68, unit: 1, amount: +14.83, unit: 1, amount: +15.40, unit: 1, amount: +14.995, unit: 1, amount: +14.993, unit: 1, amount: +15.011, unit: 1, amount: +14.6765

Catalog code PG 1619+123, WD 1619+123, SDSS J162203.88+121333.1, USNO-B1.0 1022-00310196, WDS J16221+1214B, 2MASS J16220386+1213336, Gaia DR2 4460086458999242368

Companion of Q74694180

Declination unit: www.wikidata.org, amount: +12.22598594155380

Declination component of proper motion unit: www.wikidata.org, amount: -66.828

Distance from earth unit: www.wikidata.org, amount: +55.7150

Effective temperature unit: www.wikidata.org, amount: +17150

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +259

Parallax unit: www.wikidata.org, amount: +17.9485

Radial velocity unit: www.wikidata.org, amount: -2.2

Right ascension unit: www.wikidata.org, amount: +245.51608980429260

Right ascension component of proper motion unit: www.wikidata.org, amount: +63.604

Spectral class DA2.9

Surface gravity unit: www.wikidata.org, amount: +74000000

External References (2)

Gaia id 4460086458999242368

Simbad id PG 1619+123

References

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

Direct Wikidata claims

[2] ↑ Q74693973 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q74693973 — spectral class (P215): DA2.9. A spectroscopic survey and analysis of bright, hydrogen-rich white dwarfs. wikidata.org.
[4] ↑ Q74693973 — part of (P361): ** FAR 18. Washington Double Star Catalog. wikidata.org.
[5] ↑ Q74693973 — companion of (P399): Q74694180. Washington Double Star Catalog. wikidata.org.
[6] ↑ Q74693973 — catalog code (P528): PG 1619+123. SIMBAD. wikidata.org.
[7] ↑ Q74693973 — catalog code (P528): WD 1619+123. SIMBAD. wikidata.org.
[8] ↑ Q74693973 — catalog code (P528): SDSS J162203.88+121333.1. SIMBAD. wikidata.org.
[9] ↑ Q74693973 — catalog code (P528): USNO-B1.0 1022-00310196. SIMBAD. wikidata.org.
[10] ↑ Q74693973 — catalog code (P528): WDS J16221+1214B. SIMBAD. wikidata.org.
[11] ↑ Q74693973 — catalog code (P528): 2MASS J16220386+1213336. SIMBAD. wikidata.org.
[12] ↑ Q74693973 — catalog code (P528): Gaia DR2 4460086458999242368. SIMBAD. wikidata.org.
[13] ↑ Q74693973 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.95'}. SIMBAD. wikidata.org.
[14] ↑ Q74693973 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.0'}. The USNO-B Catalog. wikidata.org.
[15] ↑ Q74693973 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.102'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[16] ↑ Q74693973 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.50'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[17] ↑ Q74693973 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.68'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[18] ↑ Q74693973 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.83'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[19] ↑ Q74693973 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.40'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[20] ↑ Q74693973 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.995'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[21] ↑ Q74693973 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.993'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[22] ↑ Q74693973 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.011'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[23] ↑ Q74693973 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.6765'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q74693973 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+17.9485'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q74693973 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-2.2'}. 3D kinematics of white dwarfs from the SPY project. II.. wikidata.org.
[26] ↑ Q74693973 — metallicity (P2227): {'unit': '1', 'amount': '+259'}. SIMBAD. wikidata.org.

Class ancestry

[1] ↑ Q74693973 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). Q74693973. Retrieved May 7, 2026, from https://4ort.xyz/entity/q74693973

MLA “Q74693973.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q74693973.

BibTeX

@misc{4ortxyz_q74693973_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q74693973}}, year = {2026}, url = {https://4ort.xyz/entity/q74693973}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q74693973 — https://4ort.xyz/entity/q74693973 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q74693973 · Last refreshed: May 7, 2026