Q84123557

star in the constellation Hydra

Thing star Q84123557

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Q84123557

Summary

Q84123557 is a star^[1].

Key Facts

Q84123557's instance of is recorded as star^[2].
Q84123557's constellation is recorded as Hydra^[3].
Q84123557's catalog code is recorded as HE 1019-2109^[4].
Q84123557's catalog code is recorded as BD-20 3159^[5].
Q84123557's catalog code is recorded as CPD-20 4916^[6].
Q84123557's catalog code is recorded as GSC 06072-00977^[7].
Q84123557's catalog code is recorded as PPM 730108^[8].
Q84123557's catalog code is recorded as TYC 6072-977-1^[9].
Q84123557's catalog code is recorded as 2MASS J10214356-2124171^[10].
Q84123557's catalog code is recorded as RAVE J102143.6-212417^[11].
Q84123557's catalog code is recorded as Gaia DR1 5475766917929822080^[12].
Q84123557's catalog code is recorded as Gaia DR2 5475766922225022080^[13].
Q84123557's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.472'}^[14].
Q84123557's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.194'}^[15].
Q84123557's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.110'}^[16].
Q84123557's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.064'}^[17].
Q84123557's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.529'}^[18].
Q84123557's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.780'}^[19].
Q84123557's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.403'}^[20].
Q84123557's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.318'}^[21].
Q84123557's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.3909'}^[22].
Q84123557's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.3016'}^[23].
Q84123557's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+26.53'}^[24].
Q84123557's metallicity is recorded as {'unit': '1', 'amount': '-0.16'}^[25].
Q84123557's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+434.4804'}^[26].

Body

Definition and Type

Q84123557's instance of is recorded as star^[2].

⭐ Popularity Graph

0/100 established

Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +9.472, unit: 1, amount: +9.194, unit: 1, amount: +9.110, unit: 1, amount: +11.064, unit: 1, amount: +10.529, unit: 1, amount: +10.780, unit: 1, amount: +10.403, unit: 1, amount: +10.318, unit: 1, amount: +10.3909

Catalog code HE 1019-2109, BD-20 3159, CPD-20 4916, GSC 06072-00977, PPM 730108, TYC 6072-977-1, 2MASS J10214356-2124171, RAVE J102143.6-212417, Gaia DR1 5475766917929822080, Gaia DR2 5475766922225022080

Constellation Hydra

Declination unit: www.wikidata.org, amount: -21.40477014849340

Declination component of proper motion unit: www.wikidata.org, amount: -11.157

Distance from earth unit: www.wikidata.org, amount: +434.4804

Effective temperature unit: www.wikidata.org, amount: +6008

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: -0.16

Parallax unit: www.wikidata.org, amount: +2.3016

Radial velocity unit: www.wikidata.org, amount: +26.53

Right ascension unit: www.wikidata.org, amount: +155.43152640779960

Right ascension component of proper motion unit: www.wikidata.org, amount: -5.988

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

External References (2)

Gaia id 5475766922225022080

Simbad id BD-20 3159

References

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

Direct Wikidata claims

[2] ↑ Q84123557 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q84123557 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q84123557 — catalog code (P528): HE 1019-2109. SIMBAD. wikidata.org.
[5] ↑ Q84123557 — catalog code (P528): BD-20 3159. SIMBAD. wikidata.org.
[6] ↑ Q84123557 — catalog code (P528): CPD-20 4916. SIMBAD. wikidata.org.
[7] ↑ Q84123557 — catalog code (P528): GSC 06072-00977. SIMBAD. wikidata.org.
[8] ↑ Q84123557 — catalog code (P528): PPM 730108. SIMBAD. wikidata.org.
[9] ↑ Q84123557 — catalog code (P528): TYC 6072-977-1. SIMBAD. wikidata.org.
[10] ↑ Q84123557 — catalog code (P528): 2MASS J10214356-2124171. SIMBAD. wikidata.org.
[11] ↑ Q84123557 — catalog code (P528): RAVE J102143.6-212417. SIMBAD. wikidata.org.
[12] ↑ Q84123557 — catalog code (P528): Gaia DR1 5475766917929822080. SIMBAD. wikidata.org.
[13] ↑ Q84123557 — catalog code (P528): Gaia DR2 5475766922225022080. SIMBAD. wikidata.org.
[14] ↑ Q84123557 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.472'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q84123557 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.194'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q84123557 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.110'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q84123557 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.064'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[18] ↑ Q84123557 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.529'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[19] ↑ Q84123557 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.780'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[20] ↑ Q84123557 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.403'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[21] ↑ Q84123557 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.318'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[22] ↑ Q84123557 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.3909'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q84123557 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.3016'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q84123557 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+26.53'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q84123557 — metallicity (P2227): {'unit': '1', 'amount': '-0.16'}. Bright metal-poor stars from the Hamburg/ESO Survey. II. A chemodynamical analysis. wikidata.org.
[26] ↑ Q84123557 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+434.4804'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q84123557 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). Q84123557. Retrieved May 7, 2026, from https://4ort.xyz/entity/q84123557

MLA “Q84123557.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q84123557.

BibTeX

@misc{4ortxyz_q84123557_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q84123557}}, year = {2026}, url = {https://4ort.xyz/entity/q84123557}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q84123557 — https://4ort.xyz/entity/q84123557 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q84123557 · Last refreshed: May 7, 2026