Q91873910

star in the constellation Cygnus

Thing star Q91873910

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Q91873910

Summary

Q91873910 is a star^[1].

Key Facts

Q91873910's instance of is recorded as star^[2].
Q91873910's constellation is recorded as Cygnus^[3].
Q91873910's spectral class is recorded as B0.5V^[4].
Q91873910's catalog code is recorded as Cl* Berkeley 86 FEDD 17^[5].
Q91873910's catalog code is recorded as BD+38 4008^[6].
Q91873910's catalog code is recorded as GSC 03151-01919^[7].
Q91873910's catalog code is recorded as TYC 3151-1919-1^[8].
Q91873910's catalog code is recorded as 2MASS J20193099+3849080^[9].
Q91873910's catalog code is recorded as ALS 15274^[10].
Q91873910's catalog code is recorded as Cl* Berkeley 86 HG 17^[11].
Q91873910's catalog code is recorded as [MJD95] J201930.99+384907.3^[12].
Q91873910's catalog code is recorded as Gaia DR1 2061305335370407168^[13].
Q91873910's catalog code is recorded as Gaia DR2 2061305335370407168^[14].
Q91873910's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.648'}^[15].
Q91873910's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.578'}^[16].
Q91873910's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.499'}^[17].
Q91873910's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.9'}^[18].
Q91873910's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.78'}^[19].
Q91873910's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.22'}^[20].
Q91873910's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.5960'}^[21].
Q91873910's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.5928'}^[22].
Q91873910's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-41.4'}^[23].
Q91873910's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+4'}^[24].
Q91873910's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1686.9096'}^[25].
Q91873910's stellar rotational velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+79'}^[26].

Body

Definition and Type

Q91873910's instance of is recorded as star^[2].

⭐ Popularity Graph

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Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +8.648, unit: 1, amount: +8.578, unit: 1, amount: +8.499, unit: 1, amount: +9.9, unit: 1, amount: +9.78, unit: 1, amount: +10.22, unit: 1, amount: +9.5960

Catalog code Cl* Berkeley 86 FEDD 17, BD+38 4008, GSC 03151-01919, TYC 3151-1919-1, 2MASS J20193099+3849080, ALS 15274, Cl* Berkeley 86 HG 17, [MJD95] J201930.99+384907.3, Gaia DR1 2061305335370407168, Gaia DR2 2061305335370407168

Constellation Cygnus

Declination unit: www.wikidata.org, amount: +38.81892481341270

Declination component of proper motion unit: www.wikidata.org, amount: -5.881

Distance from earth unit: www.wikidata.org, amount: +1686.9096

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.5928

Radial velocity unit: www.wikidata.org, amount: -41.4, unit: www.wikidata.org, amount: +4

Right ascension unit: www.wikidata.org, amount: +304.87917677338520

Right ascension component of proper motion unit: www.wikidata.org, amount: -3.470

Spectral class B0.5V

Stellar rotational velocity unit: www.wikidata.org, amount: +79

External References (2)

Gaia id 2061305335370407168

Simbad id BD+38 4008

References

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

Direct Wikidata claims

[2] ↑ Q91873910 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q91873910 — constellation (P59): Cygnus. wikidata.org.
[4] ↑ Q91873910 — spectral class (P215): B0.5V. Membership of the WR binary system V444 Cygni in the young open cluster Berkeley 86. wikidata.org.
[5] ↑ Q91873910 — catalog code (P528): Cl* Berkeley 86 FEDD 17. SIMBAD. wikidata.org.
[6] ↑ Q91873910 — catalog code (P528): BD+38 4008. SIMBAD. wikidata.org.
[7] ↑ Q91873910 — catalog code (P528): GSC 03151-01919. SIMBAD. wikidata.org.
[8] ↑ Q91873910 — catalog code (P528): TYC 3151-1919-1. SIMBAD. wikidata.org.
[9] ↑ Q91873910 — catalog code (P528): 2MASS J20193099+3849080. SIMBAD. wikidata.org.
[10] ↑ Q91873910 — catalog code (P528): ALS 15274. SIMBAD. wikidata.org.
[11] ↑ Q91873910 — catalog code (P528): Cl* Berkeley 86 HG 17. SIMBAD. wikidata.org.
[12] ↑ Q91873910 — catalog code (P528): [MJD95] J201930.99+384907.3. SIMBAD. wikidata.org.
[13] ↑ Q91873910 — catalog code (P528): Gaia DR1 2061305335370407168. SIMBAD. wikidata.org.
[14] ↑ Q91873910 — catalog code (P528): Gaia DR2 2061305335370407168. SIMBAD. wikidata.org.
[15] ↑ Q91873910 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.648'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q91873910 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.578'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q91873910 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.499'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q91873910 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.9'}. Catalog of Galactic OB Stars. wikidata.org.
[19] ↑ Q91873910 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.78'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[20] ↑ Q91873910 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.22'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[21] ↑ Q91873910 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.5960'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q91873910 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.5928'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q91873910 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-41.4'}. Stellar rotation in young clusters. I. Evolution of projected rotational velocity distributions. wikidata.org.
[24] ↑ Q91873910 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+4'}. Stellar rotation in young clusters. I. Evolution of projected rotational velocity distributions. wikidata.org.
[25] ↑ Q91873910 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1686.9096'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q91873910 — stellar rotational velocity (P4296): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+79'}. Stellar rotation in young clusters. I. Evolution of projected rotational velocity distributions. wikidata.org.

Class ancestry

[1] ↑ Q91873910 is an instance of star (Q523) [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). Q91873910. Retrieved May 7, 2026, from https://4ort.xyz/entity/q91873910

MLA “Q91873910.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q91873910.

BibTeX

@misc{4ortxyz_q91873910_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q91873910}}, year = {2026}, url = {https://4ort.xyz/entity/q91873910}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q91873910 — https://4ort.xyz/entity/q91873910 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q91873910 · Last refreshed: May 7, 2026