Q87009831

star in the constellation Sagittarius

Thing star Q87009831

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Q87009831

Summary

Q87009831 is a star^[1].

Key Facts

Q87009831's instance of is recorded as star^[2].
Q87009831's constellation is recorded as Sagittarius^[3].
Q87009831's spectral class is recorded as G8/K0IV^[4].
Q87009831's catalog code is recorded as BD-21 5545^[5].
Q87009831's catalog code is recorded as CPD-21 7521^[6].
Q87009831's catalog code is recorded as HD 187534^[7].
Q87009831's catalog code is recorded as PPM 270346^[8].
Q87009831's catalog code is recorded as 2MASS J19510904-2112458^[9].
Q87009831's catalog code is recorded as TYC 6324-1922-1^[10].
Q87009831's catalog code is recorded as RAVE J195109.1-211246^[11].
Q87009831's catalog code is recorded as Gaia DR1 6865275115488151808^[12].
Q87009831's catalog code is recorded as Gaia DR2 6865275119789839360^[13].
Q87009831's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.029'}^[14].
Q87009831's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.478'}^[15].
Q87009831's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.367'}^[16].
Q87009831's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.044'}^[17].
Q87009831's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.066'}^[18].
Q87009831's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.903'}^[19].
Q87009831's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.216'}^[20].
Q87009831's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.6822'}^[21].
Q87009831's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.8835'}^[22].
Q87009831's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-58.67'}^[23].
Q87009831's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+346.8008'}^[24].
Q87009831's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+297.78763288058130'}^[25].
Q87009831's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-21.21271335222890'}^[26].

Body

Definition and Type

Q87009831's instance of is recorded as star^[2].

⭐ Popularity Graph

0/100 established

Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +8.029, unit: 1, amount: +7.478, unit: 1, amount: +7.367, unit: 1, amount: +11.044, unit: 1, amount: +10.066, unit: 1, amount: +9.903, unit: 1, amount: +9.216, unit: 1, amount: +9.6822

Catalog code BD-21 5545, CPD-21 7521, HD 187534, PPM 270346, 2MASS J19510904-2112458, TYC 6324-1922-1, RAVE J195109.1-211246, Gaia DR1 6865275115488151808, Gaia DR2 6865275119789839360

Constellation Sagittarius

Declination unit: www.wikidata.org, amount: -21.21271335222890

Declination component of proper motion unit: www.wikidata.org, amount: -20.452

Distance from earth unit: www.wikidata.org, amount: +346.8008

Effective temperature unit: www.wikidata.org, amount: +4995

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.8835

Radial velocity unit: www.wikidata.org, amount: -58.67

Right ascension unit: www.wikidata.org, amount: +297.78763288058130

Right ascension component of proper motion unit: www.wikidata.org, amount: -27.074

Spectral class G8/K0IV

Surface gravity unit: www.wikidata.org, amount: +3100

External References (2)

Gaia id 6865275119789839360

Simbad id HD 187534

References

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

Direct Wikidata claims

[2] ↑ Q87009831 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q87009831 — constellation (P59): Sagittarius. wikidata.org.
[4] ↑ Q87009831 — spectral class (P215): G8/K0IV. Q66617557. wikidata.org.
[5] ↑ Q87009831 — catalog code (P528): BD-21 5545. SIMBAD. wikidata.org.
[6] ↑ Q87009831 — catalog code (P528): CPD-21 7521. SIMBAD. wikidata.org.
[7] ↑ Q87009831 — catalog code (P528): HD 187534. SIMBAD. wikidata.org.
[8] ↑ Q87009831 — catalog code (P528): PPM 270346. SIMBAD. wikidata.org.
[9] ↑ Q87009831 — catalog code (P528): 2MASS J19510904-2112458. SIMBAD. wikidata.org.
[10] ↑ Q87009831 — catalog code (P528): TYC 6324-1922-1. SIMBAD. wikidata.org.
[11] ↑ Q87009831 — catalog code (P528): RAVE J195109.1-211246. SIMBAD. wikidata.org.
[12] ↑ Q87009831 — catalog code (P528): Gaia DR1 6865275115488151808. SIMBAD. wikidata.org.
[13] ↑ Q87009831 — catalog code (P528): Gaia DR2 6865275119789839360. SIMBAD. wikidata.org.
[14] ↑ Q87009831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.029'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q87009831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.478'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q87009831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.367'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q87009831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.044'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[18] ↑ Q87009831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.066'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[19] ↑ Q87009831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.903'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[20] ↑ Q87009831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.216'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[21] ↑ Q87009831 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.6822'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q87009831 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.8835'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q87009831 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-58.67'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q87009831 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+346.8008'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q87009831 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+297.78763288058130'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q87009831 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-21.21271335222890'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q87009831 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). Q87009831. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87009831

MLA “Q87009831.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87009831.

BibTeX

@misc{4ortxyz_q87009831_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87009831}}, year = {2026}, url = {https://4ort.xyz/entity/q87009831}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87009831 — https://4ort.xyz/entity/q87009831 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87009831 · Last refreshed: May 7, 2026