Q74920986

Thing white_dwarf Q74920986

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Q74920986

Summary

Q74920986 is a white dwarf^[1].

Key Facts

Q74920986's instance of is recorded as white dwarf^[2].
Q74920986's spectral class is recorded as DA^[3].
Q74920986's catalog code is recorded as SDSS J072816.72+273118.9^[4].
Q74920986's catalog code is recorded as 1RXS J072817.0+273129^[5].
Q74920986's catalog code is recorded as WD 0725+276^[6].
Q74920986's catalog code is recorded as USNO-B1.0 1175-00186082^[7].
Q74920986's catalog code is recorded as LAMOST J072816.72+273118.9^[8].
Q74920986's catalog code is recorded as Gaia DR2 872781304949660544^[9].
Q74920986's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.01'}^[10].
Q74920986's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.25'}^[11].
Q74920986's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.63'}^[12].
Q74920986's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.87'}^[13].
Q74920986's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.52'}^[14].
Q74920986's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.9'}^[15].
Q74920986's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.6'}^[16].
Q74920986's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.2948'}^[17].
Q74920986's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.3736'}^[18].
Q74920986's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+421.3010'}^[19].
Q74920986's SIMBAD ID is recorded as 1RXS J072817.0+273129^[20].
Q74920986's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+112.06968730632720'}^[21].
Q74920986's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+27.52192513057270'}^[22].
Q74920986's epoch is recorded as J2000.0^[23].
Q74920986's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+49011'}^[24].
Q74920986's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+49000000'}^[25].
Q74920986's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+4.198'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +17.01, unit: 1, amount: +18.25, unit: 1, amount: +16.63, unit: 1, amount: +17.87, unit: 1, amount: +17.52, unit: 1, amount: +16.9, unit: 1, amount: +17.6, unit: 1, amount: +17.2948

Catalog code SDSS J072816.72+273118.9, 1RXS J072817.0+273129, WD 0725+276, USNO-B1.0 1175-00186082, LAMOST J072816.72+273118.9, Gaia DR2 872781304949660544

Declination unit: www.wikidata.org, amount: +27.52192513057270

Declination component of proper motion unit: www.wikidata.org, amount: +4.198

Distance from earth unit: www.wikidata.org, amount: +421.3010

Effective temperature unit: www.wikidata.org, amount: +49011

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.3736

Right ascension unit: www.wikidata.org, amount: +112.06968730632720

Right ascension component of proper motion unit: www.wikidata.org, amount: -3.917

Spectral class DA

Surface gravity unit: www.wikidata.org, amount: +49000000

External References (2)

Gaia id 872781304949660544

Simbad id 1RXS J072817.0+273129

References

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

Direct Wikidata claims

[2] ↑ Q74920986 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q74920986 — spectral class (P215): DA. An independent test of the photometric selection of white dwarf candidates using LAMOST DR3. wikidata.org.
[4] ↑ Q74920986 — catalog code (P528): SDSS J072816.72+273118.9. SIMBAD. wikidata.org.
[5] ↑ Q74920986 — catalog code (P528): 1RXS J072817.0+273129. SIMBAD. wikidata.org.
[6] ↑ Q74920986 — catalog code (P528): WD 0725+276. SIMBAD. wikidata.org.
[7] ↑ Q74920986 — catalog code (P528): USNO-B1.0 1175-00186082. SIMBAD. wikidata.org.
[8] ↑ Q74920986 — catalog code (P528): LAMOST J072816.72+273118.9. SIMBAD. wikidata.org.
[9] ↑ Q74920986 — catalog code (P528): Gaia DR2 872781304949660544. SIMBAD. wikidata.org.
[10] ↑ Q74920986 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.01'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[11] ↑ Q74920986 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.25'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[12] ↑ Q74920986 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.63'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[13] ↑ Q74920986 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.87'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[14] ↑ Q74920986 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.52'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[15] ↑ Q74920986 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.9'}. The USNO-B Catalog. wikidata.org.
[16] ↑ Q74920986 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.6'}. The USNO-B Catalog. wikidata.org.
[17] ↑ Q74920986 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.2948'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q74920986 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.3736'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q74920986 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+421.3010'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q74920986 — SIMBAD ID (P3083): 1RXS J072817.0+273129. wikidata.org.
[21] ↑ Q74920986 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+112.06968730632720'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q74920986 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+27.52192513057270'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q74920986 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[24] ↑ Q74920986 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+49011'}. White dwarfs identified in LAMOST DR 2. wikidata.org.
[25] ↑ Q74920986 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+49000000'}. A spectroscopic survey and analysis of bright, hydrogen-rich white dwarfs. wikidata.org.
[26] ↑ Q74920986 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+4.198'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q74920986 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). Q74920986. Retrieved May 7, 2026, from https://4ort.xyz/entity/q74920986

MLA “Q74920986.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q74920986.

BibTeX

@misc{4ortxyz_q74920986_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q74920986}}, year = {2026}, url = {https://4ort.xyz/entity/q74920986}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q74920986 — https://4ort.xyz/entity/q74920986 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q74920986 · Last refreshed: May 7, 2026