Q81550831

star in the constellation Cetus

Thing star Q81550831

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Q81550831

Summary

Q81550831 is a star^[1].

Key Facts

Q81550831's instance of is recorded as star^[2].
Q81550831's constellation is recorded as Cetus^[3].
Q81550831's catalog code is recorded as 2MASS J00421543-2009000^[4].
Q81550831's catalog code is recorded as BD-20 120^[5].
Q81550831's catalog code is recorded as CPD-20 72^[6].
Q81550831's catalog code is recorded as GSC 05849-00926^[7].
Q81550831's catalog code is recorded as PPM 243138^[8].
Q81550831's catalog code is recorded as TYC 5849-926-1^[9].
Q81550831's catalog code is recorded as RAVE J004215.4-200900^[10].
Q81550831's catalog code is recorded as Gaia DR1 2350737855682183296^[11].
Q81550831's catalog code is recorded as Gaia DR2 2350737859977371136^[12].
Q81550831's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.137'}^[13].
Q81550831's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.668'}^[14].
Q81550831's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.555'}^[15].
Q81550831's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.722'}^[16].
Q81550831's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.769'}^[17].
Q81550831's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.203'}^[18].
Q81550831's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.500'}^[19].
Q81550831's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.259'}^[20].
Q81550831's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.5417'}^[21].
Q81550831's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.8447'}^[22].
Q81550831's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+1.65'}^[23].
Q81550831's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1183.8523'}^[24].
Q81550831's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+10.56435618920500'}^[25].
Q81550831's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-20.15001289231990'}^[26].

Body

Definition and Type

Q81550831'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: +9.137, unit: 1, amount: +8.668, unit: 1, amount: +8.555, unit: 1, amount: +11.722, unit: 1, amount: +10.769, unit: 1, amount: +11.203, unit: 1, amount: +10.500, unit: 1, amount: +10.259, unit: 1, amount: +10.5417

Catalog code 2MASS J00421543-2009000, BD-20 120, CPD-20 72, GSC 05849-00926, PPM 243138, TYC 5849-926-1, RAVE J004215.4-200900, Gaia DR1 2350737855682183296, Gaia DR2 2350737859977371136

Constellation Cetus

Declination unit: www.wikidata.org, amount: -20.15001289231990

Declination component of proper motion unit: www.wikidata.org, amount: -10.387

Distance from earth unit: www.wikidata.org, amount: +1183.8523

Effective temperature unit: www.wikidata.org, amount: +4874

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.8447

Radial velocity unit: www.wikidata.org, amount: +1.65

Right ascension unit: www.wikidata.org, amount: +10.56435618920500

Right ascension component of proper motion unit: www.wikidata.org, amount: -6.558

Surface gravity unit: www.wikidata.org, amount: +59

External References (2)

Gaia id 2350737859977371136

Simbad id BD-20 120

References

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

Direct Wikidata claims

[2] ↑ Q81550831 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q81550831 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81550831 — catalog code (P528): 2MASS J00421543-2009000. SIMBAD. wikidata.org.
[5] ↑ Q81550831 — catalog code (P528): BD-20 120. SIMBAD. wikidata.org.
[6] ↑ Q81550831 — catalog code (P528): CPD-20 72. SIMBAD. wikidata.org.
[7] ↑ Q81550831 — catalog code (P528): GSC 05849-00926. SIMBAD. wikidata.org.
[8] ↑ Q81550831 — catalog code (P528): PPM 243138. SIMBAD. wikidata.org.
[9] ↑ Q81550831 — catalog code (P528): TYC 5849-926-1. SIMBAD. wikidata.org.
[10] ↑ Q81550831 — catalog code (P528): RAVE J004215.4-200900. SIMBAD. wikidata.org.
[11] ↑ Q81550831 — catalog code (P528): Gaia DR1 2350737855682183296. SIMBAD. wikidata.org.
[12] ↑ Q81550831 — catalog code (P528): Gaia DR2 2350737859977371136. SIMBAD. wikidata.org.
[13] ↑ Q81550831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.137'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81550831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.668'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81550831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.555'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81550831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.722'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[17] ↑ Q81550831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.769'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[18] ↑ Q81550831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.203'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[19] ↑ Q81550831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.500'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[20] ↑ Q81550831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.259'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[21] ↑ Q81550831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.5417'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81550831 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.8447'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81550831 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+1.65'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81550831 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1183.8523'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81550831 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+10.56435618920500'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81550831 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-20.15001289231990'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81550831 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). Q81550831. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81550831

MLA “Q81550831.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81550831.

BibTeX

@misc{4ortxyz_q81550831_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81550831}}, year = {2026}, url = {https://4ort.xyz/entity/q81550831}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81550831 — https://4ort.xyz/entity/q81550831 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81550831 · Last refreshed: May 7, 2026