Q87172990

star in the constellation Mensa

Thing star Q87172990

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Q87172990

Summary

Q87172990 is a star^[1].

Key Facts

Q87172990's instance of is recorded as star^[2].
Q87172990's constellation is recorded as Mensa^[3].
Q87172990's spectral class is recorded as K0^[4].
Q87172990's catalog code is recorded as 2MASS J05571024-7325523^[5].
Q87172990's catalog code is recorded as HD 271745^[6].
Q87172990's catalog code is recorded as PPM 784289^[7].
Q87172990's catalog code is recorded as TYC 9175-173-1^[8].
Q87172990's catalog code is recorded as RAVE J055710.3-732552^[9].
Q87172990's catalog code is recorded as Gaia DR1 4650545439414862720^[10].
Q87172990's catalog code is recorded as Gaia DR2 4650545439414862720^[11].
Q87172990's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.955'}^[12].
Q87172990's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.416'}^[13].
Q87172990's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.303'}^[14].
Q87172990's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.977'}^[15].
Q87172990's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.903'}^[16].
Q87172990's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.435'}^[17].
Q87172990's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.545'}^[18].
Q87172990's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.241'}^[19].
Q87172990's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.5978'}^[20].
Q87172990's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.9649'}^[21].
Q87172990's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+25.53'}^[22].
Q87172990's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1036.3768'}^[23].
Q87172990's SIMBAD ID is recorded as HD 271745^[24].
Q87172990's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+89.29266163898940'}^[25].
Q87172990's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-73.43122353607170'}^[26].

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Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +8.955, unit: 1, amount: +8.416, unit: 1, amount: +8.303, unit: 1, amount: +11.977, unit: 1, amount: +10.903, unit: 1, amount: +11.435, unit: 1, amount: +10.545, unit: 1, amount: +10.241, unit: 1, amount: +10.5978

Catalog code 2MASS J05571024-7325523, HD 271745, PPM 784289, TYC 9175-173-1, RAVE J055710.3-732552, Gaia DR1 4650545439414862720, Gaia DR2 4650545439414862720

Constellation Mensa

Declination unit: www.wikidata.org, amount: -73.43122353607170

Declination component of proper motion unit: www.wikidata.org, amount: +3.802

Distance from earth unit: www.wikidata.org, amount: +1036.3768

Effective temperature unit: www.wikidata.org, amount: +4826

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.9649

Radial velocity unit: www.wikidata.org, amount: +25.53

Right ascension unit: www.wikidata.org, amount: +89.29266163898940

Right ascension component of proper motion unit: www.wikidata.org, amount: +2.878

Spectral class K0

Surface gravity unit: www.wikidata.org, amount: +2240

External References (2)

Gaia id 4650545439414862720

Simbad id HD 271745

References

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

Direct Wikidata claims

[2] ↑ Q87172990 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q87172990 — constellation (P59): Mensa. wikidata.org.
[4] ↑ Q87172990 — spectral class (P215): K0. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925). wikidata.org.
[5] ↑ Q87172990 — catalog code (P528): 2MASS J05571024-7325523. SIMBAD. wikidata.org.
[6] ↑ Q87172990 — catalog code (P528): HD 271745. SIMBAD. wikidata.org.
[7] ↑ Q87172990 — catalog code (P528): PPM 784289. SIMBAD. wikidata.org.
[8] ↑ Q87172990 — catalog code (P528): TYC 9175-173-1. SIMBAD. wikidata.org.
[9] ↑ Q87172990 — catalog code (P528): RAVE J055710.3-732552. SIMBAD. wikidata.org.
[10] ↑ Q87172990 — catalog code (P528): Gaia DR1 4650545439414862720. SIMBAD. wikidata.org.
[11] ↑ Q87172990 — catalog code (P528): Gaia DR2 4650545439414862720. SIMBAD. wikidata.org.
[12] ↑ Q87172990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.955'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q87172990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.416'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q87172990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.303'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q87172990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.977'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[16] ↑ Q87172990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.903'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[17] ↑ Q87172990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.435'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[18] ↑ Q87172990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.545'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[19] ↑ Q87172990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.241'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[20] ↑ Q87172990 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.5978'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q87172990 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.9649'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q87172990 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+25.53'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q87172990 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1036.3768'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q87172990 — SIMBAD ID (P3083): HD 271745. wikidata.org.
[25] ↑ Q87172990 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+89.29266163898940'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q87172990 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-73.43122353607170'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q87172990 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). Q87172990. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87172990

MLA “Q87172990.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87172990.

BibTeX

@misc{4ortxyz_q87172990_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87172990}}, year = {2026}, url = {https://4ort.xyz/entity/q87172990}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87172990 — https://4ort.xyz/entity/q87172990 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87172990 · Last refreshed: May 7, 2026