Q88933904

hot subdwarf star in the constellation Serpens

Thing hot_subdwarf_star Q88933904

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Q88933904

Summary

Q88933904 is a hot subdwarf star^[1].

Key Facts

Q88933904's instance of is recorded as hot subdwarf star^[2].
Q88933904's constellation is recorded as Serpens^[3].
Q88933904's spectral class is recorded as sdB^[4].
Q88933904's catalog code is recorded as GALEX J154338.7+001202^[5].
Q88933904's catalog code is recorded as WD 1541+003^[6].
Q88933904's catalog code is recorded as SA 107-28^[7].
Q88933904's catalog code is recorded as EGGR 491^[8].
Q88933904's catalog code is recorded as 2MASS J15433868+0012021^[9].
Q88933904's catalog code is recorded as SDSS J154338.69+001202.1^[10].
Q88933904's catalog code is recorded as SDSS J154338.68+001202.1^[11].
Q88933904's catalog code is recorded as UCAC4 452-057349^[12].
Q88933904's catalog code is recorded as Gaia DR2 4416551742772711040^[13].
Q88933904's redshift is recorded as {'unit': '1', 'amount': '-0.00010'}^[14].
Q88933904's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.20'}^[15].
Q88933904's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.702'}^[16].
Q88933904's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.727'}^[17].
Q88933904's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.024'}^[18].
Q88933904's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.172'}^[19].
Q88933904's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.322'}^[20].
Q88933904's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.49'}^[21].
Q88933904's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.19'}^[22].
Q88933904's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.75'}^[23].
Q88933904's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.71'}^[24].
Q88933904's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.26'}^[25].
Q88933904's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.9040'}^[26].

Body

Definition and Type

Q88933904's instance of is recorded as hot subdwarf star^[2].

⭐ Popularity Graph

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Quick Facts

Instance of hot subdwarf star

Properties

Apparent magnitude unit: 1, amount: +16.20, unit: 1, amount: +16.702, unit: 1, amount: +16.727, unit: 1, amount: +17.024, unit: 1, amount: +17.172, unit: 1, amount: +17.322, unit: 1, amount: +16.49, unit: 1, amount: +17.19, unit: 1, amount: +16.75, unit: 1, amount: +16.71, unit: 1, amount: +16.26, unit: 1, amount: +16.9040

Catalog code GALEX J154338.7+001202, WD 1541+003, SA 107-28, EGGR 491, 2MASS J15433868+0012021, SDSS J154338.69+001202.1, SDSS J154338.68+001202.1, UCAC4 452-057349, Gaia DR2 4416551742772711040

Constellation Serpens

Declination unit: www.wikidata.org, amount: +0.20059936650860

Declination component of proper motion unit: www.wikidata.org, amount: +1.044

Distance from earth unit: www.wikidata.org, amount: +610

Effective temperature unit: www.wikidata.org, amount: +17000, unit: www.wikidata.org, amount: +42969

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.0048

Radial velocity unit: www.wikidata.org, amount: -30

Redshift unit: 1, amount: -0.00010

Right ascension unit: www.wikidata.org, amount: +235.91119228872340

Right ascension component of proper motion unit: www.wikidata.org, amount: -4.607

Spectral class sdB

Surface gravity unit: www.wikidata.org, amount: +3160000000, unit: www.wikidata.org, amount: +105000000

External References (2)

Gaia id 4416551742772711040

Simbad id EGGR 491

References

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

Direct Wikidata claims

[2] ↑ Q88933904 — instance of (P31): hot subdwarf star. SIMBAD. wikidata.org.
[3] ↑ Q88933904 — constellation (P59): Serpens. wikidata.org.
[4] ↑ Q88933904 — spectral class (P215): sdB. An initial survey of white dwarfs in the Sloan Digital Sky Survey. wikidata.org.
[5] ↑ Q88933904 — catalog code (P528): GALEX J154338.7+001202. SIMBAD. wikidata.org.
[6] ↑ Q88933904 — catalog code (P528): WD 1541+003. SIMBAD. wikidata.org.
[7] ↑ Q88933904 — catalog code (P528): SA 107-28. SIMBAD. wikidata.org.
[8] ↑ Q88933904 — catalog code (P528): EGGR 491. SIMBAD. wikidata.org.
[9] ↑ Q88933904 — catalog code (P528): 2MASS J15433868+0012021. SIMBAD. wikidata.org.
[10] ↑ Q88933904 — catalog code (P528): SDSS J154338.69+001202.1. SIMBAD. wikidata.org.
[11] ↑ Q88933904 — catalog code (P528): SDSS J154338.68+001202.1. SIMBAD. wikidata.org.
[12] ↑ Q88933904 — catalog code (P528): UCAC4 452-057349. SIMBAD. wikidata.org.
[13] ↑ Q88933904 — catalog code (P528): Gaia DR2 4416551742772711040. SIMBAD. wikidata.org.
[14] ↑ Q88933904 — redshift (P1090): {'unit': '1', 'amount': '-0.00010'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q88933904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.20'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[16] ↑ Q88933904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.702'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[17] ↑ Q88933904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.727'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[18] ↑ Q88933904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.024'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[19] ↑ Q88933904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.172'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[20] ↑ Q88933904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.322'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[21] ↑ Q88933904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.49'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[22] ↑ Q88933904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.19'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[23] ↑ Q88933904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.75'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[24] ↑ Q88933904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.71'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[25] ↑ Q88933904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.26'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[26] ↑ Q88933904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.9040'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q88933904 is an instance of hot subdwarf star (Q54231557) [P31, primary]. Wikidata. wikidata.org.

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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). Q88933904. Retrieved May 7, 2026, from https://4ort.xyz/entity/q88933904

MLA “Q88933904.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q88933904.

BibTeX

@misc{4ortxyz_q88933904_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q88933904}}, year = {2026}, url = {https://4ort.xyz/entity/q88933904}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q88933904 — https://4ort.xyz/entity/q88933904 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q88933904 · Last refreshed: May 7, 2026