Q81559617

star in the constellation Cetus

Thing star Q81559617

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Q81559617

Summary

Q81559617 is a star^[1].

Key Facts

Q81559617's instance of is recorded as star^[2].
Q81559617's constellation is recorded as Cetus^[3].
Q81559617's spectral class is recorded as K5^[4].
Q81559617's catalog code is recorded as 2MASS J00061816-2017139^[5].
Q81559617's catalog code is recorded as BD-21 6533^[6].
Q81559617's catalog code is recorded as HD 149^[7].
Q81559617's catalog code is recorded as PPM 723469^[8].
Q81559617's catalog code is recorded as TYC 5844-891-1^[9].
Q81559617's catalog code is recorded as RAVE J000618.2-201714^[10].
Q81559617's catalog code is recorded as Gaia DR2 2365533232038917760^[11].
Q81559617's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.204'}^[12].
Q81559617's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.675'}^[13].
Q81559617's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.520'}^[14].
Q81559617's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.284'}^[15].
Q81559617's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.172'}^[16].
Q81559617's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.676'}^[17].
Q81559617's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.019'}^[18].
Q81559617's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.475'}^[19].
Q81559617's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.8315'}^[20].
Q81559617's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.9113'}^[21].
Q81559617's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-19.97'}^[22].
Q81559617's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+523.2041'}^[23].
Q81559617's SIMBAD ID is recorded as HD 149^[24].
Q81559617's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.57569090667460'}^[25].
Q81559617's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-20.28715862030540'}^[26].

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Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +8.204, unit: 1, amount: +7.675, unit: 1, amount: +7.520, unit: 1, amount: +11.284, unit: 1, amount: +10.172, unit: 1, amount: +10.676, unit: 1, amount: +10.019, unit: 1, amount: +9.475, unit: 1, amount: +9.8315

Catalog code 2MASS J00061816-2017139, BD-21 6533, HD 149, PPM 723469, TYC 5844-891-1, RAVE J000618.2-201714, Gaia DR2 2365533232038917760

Constellation Cetus

Declination unit: www.wikidata.org, amount: -20.28715862030540

Declination component of proper motion unit: www.wikidata.org, amount: -2.919

Distance from earth unit: www.wikidata.org, amount: +523.2041

Effective temperature unit: www.wikidata.org, amount: +4743

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.9113

Radial velocity unit: www.wikidata.org, amount: -19.97

Right ascension unit: www.wikidata.org, amount: +1.57569090667460

Right ascension component of proper motion unit: www.wikidata.org, amount: -13.242

Spectral class K5

Surface gravity unit: www.wikidata.org, amount: +1740

External References (2)

Gaia id 2365533232038917760

Simbad id HD 149

References

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

Direct Wikidata claims

[2] ↑ Q81559617 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q81559617 — constellation (P59): Cetus. VizieR. wikidata.org.
[4] ↑ Q81559617 — spectral class (P215): K5. Q66617557. wikidata.org.
[5] ↑ Q81559617 — catalog code (P528): 2MASS J00061816-2017139. SIMBAD. wikidata.org.
[6] ↑ Q81559617 — catalog code (P528): BD-21 6533. SIMBAD. wikidata.org.
[7] ↑ Q81559617 — catalog code (P528): HD 149. SIMBAD. wikidata.org.
[8] ↑ Q81559617 — catalog code (P528): PPM 723469. SIMBAD. wikidata.org.
[9] ↑ Q81559617 — catalog code (P528): TYC 5844-891-1. SIMBAD. wikidata.org.
[10] ↑ Q81559617 — catalog code (P528): RAVE J000618.2-201714. SIMBAD. wikidata.org.
[11] ↑ Q81559617 — catalog code (P528): Gaia DR2 2365533232038917760. SIMBAD. wikidata.org.
[12] ↑ Q81559617 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.204'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q81559617 — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.675'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81559617 — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.520'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81559617 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.284'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[16] ↑ Q81559617 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.172'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[17] ↑ Q81559617 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.676'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[18] ↑ Q81559617 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.019'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[19] ↑ Q81559617 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.475'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[20] ↑ Q81559617 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.8315'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81559617 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.9113'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81559617 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-19.97'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81559617 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+523.2041'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81559617 — SIMBAD ID (P3083): HD 149. wikidata.org.
[25] ↑ Q81559617 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.57569090667460'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81559617 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-20.28715862030540'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81559617 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). Q81559617. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81559617

MLA “Q81559617.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81559617.

BibTeX

@misc{4ortxyz_q81559617_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81559617}}, year = {2026}, url = {https://4ort.xyz/entity/q81559617}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81559617 — https://4ort.xyz/entity/q81559617 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81559617 · Last refreshed: May 7, 2026