Q87004981

hot subdwarf star in the constellation Indus

Thing hot_subdwarf_star Q87004981

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Q87004981

Summary

Q87004981 is a hot subdwarf star^[1].

Key Facts

Q87004981's instance of is recorded as hot subdwarf star^[2].
Q87004981's constellation is recorded as Indus^[3].
Q87004981's spectral class is recorded as sdOHe+G^[4].
Q87004981's catalog code is recorded as TYC 8408-609-1^[5].
Q87004981's catalog code is recorded as BPS CS 30308-0079^[6].
Q87004981's catalog code is recorded as 2MASS J20564862-4524387^[7].
Q87004981's catalog code is recorded as EC 20534-4536^[8].
Q87004981's catalog code is recorded as Gaia DR1 6484218676320441088^[9].
Q87004981's catalog code is recorded as Gaia DR2 6484218676320441088^[10].
Q87004981's type of variable star is recorded as classical Cepheid variable^[11].
Q87004981's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.858'}^[12].
Q87004981's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.980'}^[13].
Q87004981's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.359'}^[14].
Q87004981's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.24'}^[15].
Q87004981's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.36'}^[16].
Q87004981's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.59'}^[17].
Q87004981's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.79'}^[18].
Q87004981's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.48'}^[19].
Q87004981's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.51'}^[20].
Q87004981's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.15'}^[21].
Q87004981's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.4066'}^[22].
Q87004981's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.8152'}^[23].
Q87004981's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-29.42'}^[24].
Q87004981's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+550.9035'}^[25].
Q87004981's SIMBAD ID is recorded as BPS CS 30308-0079^[26].

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Quick Facts

Instance of hot subdwarf star

Properties

Apparent magnitude unit: 1, amount: +10.858, unit: 1, amount: +10.980, unit: 1, amount: +11.359, unit: 1, amount: +12.24, unit: 1, amount: +12.36, unit: 1, amount: +12.59, unit: 1, amount: +12.79, unit: 1, amount: +12.48, unit: 1, amount: +12.51, unit: 1, amount: +12.15, unit: 1, amount: +12.4066

Catalog code TYC 8408-609-1, BPS CS 30308-0079, 2MASS J20564862-4524387, EC 20534-4536, Gaia DR1 6484218676320441088, Gaia DR2 6484218676320441088

Constellation Indus

Declination unit: www.wikidata.org, amount: -45.41076172383760

Declination component of proper motion unit: www.wikidata.org, amount: -11.850

Distance from earth unit: www.wikidata.org, amount: +550.9035

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.8152

Radial velocity unit: www.wikidata.org, amount: -29.42

Right ascension unit: www.wikidata.org, amount: +314.20263840009780

Right ascension component of proper motion unit: www.wikidata.org, amount: +18.944

Spectral class sdOHe+G

Type of variable star classical Cepheid variable

External References (2)

Gaia id 6484218676320441088

Simbad id BPS CS 30308-0079

References

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

Direct Wikidata claims

[2] ↑ Q87004981 — instance of (P31): hot subdwarf star. SIMBAD. wikidata.org.
[3] ↑ Q87004981 — constellation (P59): Indus. wikidata.org.
[4] ↑ Q87004981 — spectral class (P215): sdOHe+G. The Edinburgh-Cape Blue Object Survey - IV. Zone 3: Galactic latitudes -40{deg} > b > -50{deg}. wikidata.org.
[5] ↑ Q87004981 — catalog code (P528): TYC 8408-609-1. SIMBAD. wikidata.org.
[6] ↑ Q87004981 — catalog code (P528): BPS CS 30308-0079. SIMBAD. wikidata.org.
[7] ↑ Q87004981 — catalog code (P528): 2MASS J20564862-4524387. SIMBAD. wikidata.org.
[8] ↑ Q87004981 — catalog code (P528): EC 20534-4536. SIMBAD. wikidata.org.
[9] ↑ Q87004981 — catalog code (P528): Gaia DR1 6484218676320441088. SIMBAD. wikidata.org.
[10] ↑ Q87004981 — catalog code (P528): Gaia DR2 6484218676320441088. SIMBAD. wikidata.org.
[11] ↑ Q87004981 — type of variable star (P881): classical Cepheid variable. Gaia Data Release 2. wikidata.org.
[12] ↑ Q87004981 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.858'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q87004981 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.980'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q87004981 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.359'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q87004981 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.24'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[16] ↑ Q87004981 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.36'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[17] ↑ Q87004981 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.59'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[18] ↑ Q87004981 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.79'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[19] ↑ Q87004981 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.48'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[20] ↑ Q87004981 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.51'}. The Edinburgh-Cape Blue Object Survey - IV. Zone 3: Galactic latitudes -40{deg} > b > -50{deg}. wikidata.org.
[21] ↑ Q87004981 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.15'}. The Edinburgh-Cape Blue Object Survey - IV. Zone 3: Galactic latitudes -40{deg} > b > -50{deg}. wikidata.org.
[22] ↑ Q87004981 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.4066'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q87004981 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.8152'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q87004981 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-29.42'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q87004981 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+550.9035'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q87004981 — SIMBAD ID (P3083): BPS CS 30308-0079. wikidata.org.

Class ancestry

[1] ↑ Q87004981 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). Q87004981. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87004981

MLA “Q87004981.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87004981.

BibTeX

@misc{4ortxyz_q87004981_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87004981}}, year = {2026}, url = {https://4ort.xyz/entity/q87004981}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87004981 — https://4ort.xyz/entity/q87004981 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87004981 · Last refreshed: May 7, 2026