Q81554435

star in the constellation Cetus

Thing star Q81554435

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Q81554435

Summary

Q81554435 is a star^[1].

Key Facts

Q81554435's instance of is recorded as star^[2].
Q81554435's constellation is recorded as Cetus^[3].
Q81554435's catalog code is recorded as 2MASS J00494337-2049306^[4].
Q81554435's catalog code is recorded as BD-21 122^[5].
Q81554435's catalog code is recorded as CPD-21 80^[6].
Q81554435's catalog code is recorded as GSC 05850-02188^[7].
Q81554435's catalog code is recorded as PPM 243289^[8].
Q81554435's catalog code is recorded as TYC 5850-2188-1^[9].
Q81554435's catalog code is recorded as RAVE J004943.4-204931^[10].
Q81554435's catalog code is recorded as Gaia DR1 2350502182237032832^[11].
Q81554435's catalog code is recorded as Gaia DR2 2350502186531925120^[12].
Q81554435's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.037'}^[13].
Q81554435's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.776'}^[14].
Q81554435's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.713'}^[15].
Q81554435's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.613'}^[16].
Q81554435's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.109'}^[17].
Q81554435's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.307'}^[18].
Q81554435's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.995'}^[19].
Q81554435's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.846'}^[20].
Q81554435's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.9568'}^[21].
Q81554435's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.9939'}^[22].
Q81554435's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-9.84'}^[23].
Q81554435's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+501.5297'}^[24].
Q81554435's SIMBAD ID is recorded as BD-21 122^[25].
Q81554435's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+12.43075407258970'}^[26].

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Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +10.037, unit: 1, amount: +9.776, unit: 1, amount: +9.713, unit: 1, amount: +11.613, unit: 1, amount: +11.109, unit: 1, amount: +11.307, unit: 1, amount: +10.995, unit: 1, amount: +10.846, unit: 1, amount: +10.9568

Catalog code 2MASS J00494337-2049306, BD-21 122, CPD-21 80, GSC 05850-02188, PPM 243289, TYC 5850-2188-1, RAVE J004943.4-204931, Gaia DR1 2350502182237032832, Gaia DR2 2350502186531925120

Constellation Cetus

Declination unit: www.wikidata.org, amount: -20.82519293939570

Declination component of proper motion unit: www.wikidata.org, amount: -11.666

Distance from earth unit: www.wikidata.org, amount: +501.5297

Effective temperature unit: www.wikidata.org, amount: +6049

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.9939

Radial velocity unit: www.wikidata.org, amount: -9.84

Right ascension unit: www.wikidata.org, amount: +12.43075407258970

Right ascension component of proper motion unit: www.wikidata.org, amount: -2.411

Surface gravity unit: www.wikidata.org, amount: +6300

External References (2)

Gaia id 2350502186532423552

Simbad id BD-21 122

References

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

Direct Wikidata claims

[2] ↑ Q81554435 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q81554435 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81554435 — catalog code (P528): 2MASS J00494337-2049306. SIMBAD. wikidata.org.
[5] ↑ Q81554435 — catalog code (P528): BD-21 122. SIMBAD. wikidata.org.
[6] ↑ Q81554435 — catalog code (P528): CPD-21 80. SIMBAD. wikidata.org.
[7] ↑ Q81554435 — catalog code (P528): GSC 05850-02188. SIMBAD. wikidata.org.
[8] ↑ Q81554435 — catalog code (P528): PPM 243289. SIMBAD. wikidata.org.
[9] ↑ Q81554435 — catalog code (P528): TYC 5850-2188-1. SIMBAD. wikidata.org.
[10] ↑ Q81554435 — catalog code (P528): RAVE J004943.4-204931. SIMBAD. wikidata.org.
[11] ↑ Q81554435 — catalog code (P528): Gaia DR1 2350502182237032832. SIMBAD. wikidata.org.
[12] ↑ Q81554435 — catalog code (P528): Gaia DR2 2350502186531925120. SIMBAD. wikidata.org.
[13] ↑ Q81554435 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.037'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81554435 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.776'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81554435 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.713'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81554435 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.613'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[17] ↑ Q81554435 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.109'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[18] ↑ Q81554435 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.307'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[19] ↑ Q81554435 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.995'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[20] ↑ Q81554435 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.846'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[21] ↑ Q81554435 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.9568'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81554435 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.9939'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81554435 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-9.84'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81554435 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+501.5297'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81554435 — SIMBAD ID (P3083): BD-21 122. wikidata.org.
[26] ↑ Q81554435 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+12.43075407258970'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81554435 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). Q81554435. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81554435

MLA “Q81554435.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81554435.

BibTeX

@misc{4ortxyz_q81554435_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81554435}}, year = {2026}, url = {https://4ort.xyz/entity/q81554435}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81554435 — https://4ort.xyz/entity/q81554435 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81554435 · Last refreshed: May 7, 2026