Q66643315

Thing star Q66643315

Press Enter · cited answer in seconds

Q66643315

Summary

Q66643315 is a star^[1].

Key Facts

Q66643315's instance of is recorded as star^[2].
Q66643315's spectral class is recorded as K0^[3].
Q66643315's catalog code is recorded as HD 21509^[4].
Q66643315's catalog code is recorded as DO 27178^[5].
Q66643315's catalog code is recorded as GSC 04074-00770^[6].
Q66643315's catalog code is recorded as 2MASS J03320657+6618077^[7].
Q66643315's catalog code is recorded as PPM 14338^[8].
Q66643315's catalog code is recorded as SAO 12794^[9].
Q66643315's catalog code is recorded as AG+66 197^[10].
Q66643315's catalog code is recorded as BD+65 347^[11].
Q66643315's catalog code is recorded as TYC 4074-770-1^[12].
Q66643315's catalog code is recorded as Gaia DR1 491781074016306816^[13].
Q66643315's catalog code is recorded as Gaia DR2 491781078315618560^[14].
Q66643315's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.03'}^[15].
Q66643315's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.95'}^[16].
Q66643315's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.6108'}^[17].
Q66643315's apparent magnitude is recorded as {'unit': '1', 'amount': '+5.996'}^[18].
Q66643315's apparent magnitude is recorded as {'unit': '1', 'amount': '+5.420'}^[19].
Q66643315's apparent magnitude is recorded as {'unit': '1', 'amount': '+5.270'}^[20].
Q66643315's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.0672'}^[21].
Q66643315's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-82.14'}^[22].
Q66643315's metallicity is recorded as {'unit': '1', 'amount': '-0.10'}^[23].
Q66643315's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+197.3476'}^[24].
Q66643315's stellar rotational velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+7.3'}^[25].
Q66643315's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+53.02730653779630'}^[26].

Body

Definition and Type

Q66643315's instance of is recorded as star^[2].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +9.03, unit: 1, amount: +7.95, unit: 1, amount: +7.6108, unit: 1, amount: +5.996, unit: 1, amount: +5.420, unit: 1, amount: +5.270

Catalog code HD 21509, DO 27178, GSC 04074-00770, 2MASS J03320657+6618077, PPM 14338, SAO 12794, AG+66 197, BD+65 347, TYC 4074-770-1, Gaia DR1 491781074016306816, Gaia DR2 491781078315618560

Declination unit: www.wikidata.org, amount: +66.30214687079150

Declination component of proper motion unit: www.wikidata.org, amount: -39.681

Distance from earth unit: www.wikidata.org, amount: +197.3476

Effective temperature unit: www.wikidata.org, amount: +4660

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: -0.10

Parallax unit: www.wikidata.org, amount: +5.0672

Radial velocity unit: www.wikidata.org, amount: -82.14

Right ascension unit: www.wikidata.org, amount: +53.02730653779630

Right ascension component of proper motion unit: www.wikidata.org, amount: -23.122

Spectral class K0

Stellar rotational velocity unit: www.wikidata.org, amount: +7.3

Surface gravity unit: www.wikidata.org, amount: +590

External References (2)

Gaia id 491781078315618560

Simbad id HD 21509

References

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

Direct Wikidata claims

[2] ↑ Q66643315 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q66643315 — spectral class (P215): K0. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925). wikidata.org.
[4] ↑ Q66643315 — catalog code (P528): HD 21509. SIMBAD. wikidata.org.
[5] ↑ Q66643315 — catalog code (P528): DO 27178. SIMBAD. wikidata.org.
[6] ↑ Q66643315 — catalog code (P528): GSC 04074-00770. SIMBAD. wikidata.org.
[7] ↑ Q66643315 — catalog code (P528): 2MASS J03320657+6618077. SIMBAD. wikidata.org.
[8] ↑ Q66643315 — catalog code (P528): PPM 14338. SIMBAD. wikidata.org.
[9] ↑ Q66643315 — catalog code (P528): SAO 12794. SIMBAD. wikidata.org.
[10] ↑ Q66643315 — catalog code (P528): AG+66 197. SIMBAD. wikidata.org.
[11] ↑ Q66643315 — catalog code (P528): BD+65 347. SIMBAD. wikidata.org.
[12] ↑ Q66643315 — catalog code (P528): TYC 4074-770-1. SIMBAD. wikidata.org.
[13] ↑ Q66643315 — catalog code (P528): Gaia DR1 491781074016306816. SIMBAD. wikidata.org.
[14] ↑ Q66643315 — catalog code (P528): Gaia DR2 491781078315618560. SIMBAD. wikidata.org.
[15] ↑ Q66643315 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.03'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[16] ↑ Q66643315 — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.95'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[17] ↑ Q66643315 — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.6108'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q66643315 — apparent magnitude (P1215): {'unit': '1', 'amount': '+5.996'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q66643315 — apparent magnitude (P1215): {'unit': '1', 'amount': '+5.420'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[20] ↑ Q66643315 — apparent magnitude (P1215): {'unit': '1', 'amount': '+5.270'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[21] ↑ Q66643315 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.0672'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q66643315 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-82.14'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q66643315 — metallicity (P2227): {'unit': '1', 'amount': '-0.10'}. A spectroscopic survey of the youngest field stars in the solar neighbourhood. I. The optically bright sample. wikidata.org.
[24] ↑ Q66643315 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+197.3476'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q66643315 — stellar rotational velocity (P4296): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+7.3'}. A spectroscopic survey of the youngest field stars in the solar neighbourhood. I. The optically bright sample. wikidata.org.
[26] ↑ Q66643315 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+53.02730653779630'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q66643315 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). Q66643315. Retrieved May 7, 2026, from https://4ort.xyz/entity/q66643315

MLA “Q66643315.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q66643315.

BibTeX

@misc{4ortxyz_q66643315_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q66643315}}, year = {2026}, url = {https://4ort.xyz/entity/q66643315}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q66643315 — https://4ort.xyz/entity/q66643315 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q66643315 · Last refreshed: May 7, 2026