Q81557147

star in the constellation Cetus

Thing star Q81557147

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Q81557147

Summary

Q81557147 is a star^[1].

Key Facts

Q81557147's instance of is recorded as star^[2].
Q81557147's constellation is recorded as Cetus^[3].
Q81557147's spectral class is recorded as F0^[4].
Q81557147's catalog code is recorded as 2MASS J00103452-2024013^[5].
Q81557147's catalog code is recorded as BD-21 9^[6].
Q81557147's catalog code is recorded as GSC 05844-00019^[7].
Q81557147's catalog code is recorded as SB 60^[8].
Q81557147's catalog code is recorded as TYC 5844-19-1^[9].
Q81557147's catalog code is recorded as RAVE J001034.5-202401^[10].
Q81557147's catalog code is recorded as Gaia DR1 2364836240450484864^[11].
Q81557147's catalog code is recorded as Gaia DR2 2364836244745930880^[12].
Q81557147's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.415'}^[13].
Q81557147's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.281'}^[14].
Q81557147's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.264'}^[15].
Q81557147's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.303'}^[16].
Q81557147's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.002'}^[17].
Q81557147's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.103'}^[18].
Q81557147's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.961'}^[19].
Q81557147's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.988'}^[20].
Q81557147's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.9326'}^[21].
Q81557147's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.3498'}^[22].
Q81557147's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-7.84'}^[23].
Q81557147's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+425.5681'}^[24].
Q81557147's SIMBAD ID is recorded as BD-21 9^[25].
Q81557147's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.64386507516130'}^[26].

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Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +10.415, unit: 1, amount: +10.281, unit: 1, amount: +10.264, unit: 1, amount: +11.303, unit: 1, amount: +11.002, unit: 1, amount: +11.103, unit: 1, amount: +10.961, unit: 1, amount: +10.988, unit: 1, amount: +10.9326

Catalog code 2MASS J00103452-2024013, BD-21 9, GSC 05844-00019, SB 60, TYC 5844-19-1, RAVE J001034.5-202401, Gaia DR1 2364836240450484864, Gaia DR2 2364836244745930880

Constellation Cetus

Declination unit: www.wikidata.org, amount: -20.40037371827240

Declination component of proper motion unit: www.wikidata.org, amount: +1.270

Distance from earth unit: www.wikidata.org, amount: +425.5681

Effective temperature unit: www.wikidata.org, amount: +7503

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.3498

Radial velocity unit: www.wikidata.org, amount: -7.84

Right ascension unit: www.wikidata.org, amount: +2.64386507516130

Right ascension component of proper motion unit: www.wikidata.org, amount: -1.440

Spectral class F0

Surface gravity unit: www.wikidata.org, amount: +6800

External References (2)

Gaia id 2364836244745930880

Simbad id BD-21 9

References

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

Direct Wikidata claims

[2] ↑ Q81557147 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q81557147 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81557147 — spectral class (P215): F0. A finding list of early-type stars near the South Galactic Pole. wikidata.org.
[5] ↑ Q81557147 — catalog code (P528): 2MASS J00103452-2024013. SIMBAD. wikidata.org.
[6] ↑ Q81557147 — catalog code (P528): BD-21 9. SIMBAD. wikidata.org.
[7] ↑ Q81557147 — catalog code (P528): GSC 05844-00019. SIMBAD. wikidata.org.
[8] ↑ Q81557147 — catalog code (P528): SB 60. SIMBAD. wikidata.org.
[9] ↑ Q81557147 — catalog code (P528): TYC 5844-19-1. SIMBAD. wikidata.org.
[10] ↑ Q81557147 — catalog code (P528): RAVE J001034.5-202401. SIMBAD. wikidata.org.
[11] ↑ Q81557147 — catalog code (P528): Gaia DR1 2364836240450484864. SIMBAD. wikidata.org.
[12] ↑ Q81557147 — catalog code (P528): Gaia DR2 2364836244745930880. SIMBAD. wikidata.org.
[13] ↑ Q81557147 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.415'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81557147 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.281'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81557147 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.264'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81557147 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.303'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[17] ↑ Q81557147 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.002'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[18] ↑ Q81557147 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.103'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[19] ↑ Q81557147 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.961'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[20] ↑ Q81557147 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.988'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[21] ↑ Q81557147 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.9326'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81557147 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.3498'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81557147 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-7.84'}. The Radial Velocity Experiment (RAVE): fifth data release. wikidata.org.
[24] ↑ Q81557147 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+425.5681'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81557147 — SIMBAD ID (P3083): BD-21 9. wikidata.org.
[26] ↑ Q81557147 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.64386507516130'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81557147 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). Q81557147. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81557147

MLA “Q81557147.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81557147.

BibTeX

@misc{4ortxyz_q81557147_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81557147}}, year = {2026}, url = {https://4ort.xyz/entity/q81557147}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81557147 — https://4ort.xyz/entity/q81557147 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81557147 · Last refreshed: May 7, 2026