Q84122780

star in the constellation Hydra

Thing star Q84122780

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Q84122780

Summary

Q84122780 is a star^[1].

Key Facts

Q84122780's instance of is recorded as star^[2].
Q84122780's constellation is recorded as Hydra^[3].
Q84122780's catalog code is recorded as CPD-20 4942^[4].
Q84122780's catalog code is recorded as PPM 730174^[5].
Q84122780's catalog code is recorded as 2MASS J10285811-2043486^[6].
Q84122780's catalog code is recorded as TYC 6073-669-1^[7].
Q84122780's catalog code is recorded as RAVE J102858.1-204349^[8].
Q84122780's catalog code is recorded as Gaia DR1 5476145699685405056^[9].
Q84122780's catalog code is recorded as Gaia DR2 5476145703980973824^[10].
Q84122780's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.199'}^[11].
Q84122780's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.983'}^[12].
Q84122780's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.940'}^[13].
Q84122780's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.584'}^[14].
Q84122780's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.126'}^[15].
Q84122780's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.325'}^[16].
Q84122780's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.017'}^[17].
Q84122780's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.920'}^[18].
Q84122780's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.0037'}^[19].
Q84122780's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.1839'}^[20].
Q84122780's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+17.78'}^[21].
Q84122780's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+457.8964'}^[22].
Q84122780's SIMBAD ID is recorded as CPD-20 4942^[23].
Q84122780's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+157.24216417215160'}^[24].
Q84122780's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-20.73018934264300'}^[25].
Q84122780's epoch is recorded as J2000.0^[26].

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Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +10.199, unit: 1, amount: +9.983, unit: 1, amount: +9.940, unit: 1, amount: +11.584, unit: 1, amount: +11.126, unit: 1, amount: +11.325, unit: 1, amount: +11.017, unit: 1, amount: +10.920, unit: 1, amount: +11.0037

Catalog code CPD-20 4942, PPM 730174, 2MASS J10285811-2043486, TYC 6073-669-1, RAVE J102858.1-204349, Gaia DR1 5476145699685405056, Gaia DR2 5476145703980973824

Constellation Hydra

Declination unit: www.wikidata.org, amount: -20.73018934264300

Declination component of proper motion unit: www.wikidata.org, amount: -9.013

Distance from earth unit: www.wikidata.org, amount: +457.8964

Effective temperature unit: www.wikidata.org, amount: +6426

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.1839

Radial velocity unit: www.wikidata.org, amount: +17.78

Right ascension unit: www.wikidata.org, amount: +157.24216417215160

Right ascension component of proper motion unit: www.wikidata.org, amount: -0.992

Surface gravity unit: www.wikidata.org, amount: +12300

External References (2)

Gaia id 5476145703980973824

Simbad id CPD-20 4942

References

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

Direct Wikidata claims

[2] ↑ Q84122780 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q84122780 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q84122780 — catalog code (P528): CPD-20 4942. SIMBAD. wikidata.org.
[5] ↑ Q84122780 — catalog code (P528): PPM 730174. SIMBAD. wikidata.org.
[6] ↑ Q84122780 — catalog code (P528): 2MASS J10285811-2043486. SIMBAD. wikidata.org.
[7] ↑ Q84122780 — catalog code (P528): TYC 6073-669-1. SIMBAD. wikidata.org.
[8] ↑ Q84122780 — catalog code (P528): RAVE J102858.1-204349. SIMBAD. wikidata.org.
[9] ↑ Q84122780 — catalog code (P528): Gaia DR1 5476145699685405056. SIMBAD. wikidata.org.
[10] ↑ Q84122780 — catalog code (P528): Gaia DR2 5476145703980973824. SIMBAD. wikidata.org.
[11] ↑ Q84122780 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.199'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[12] ↑ Q84122780 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.983'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q84122780 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.940'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q84122780 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.584'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[15] ↑ Q84122780 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.126'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[16] ↑ Q84122780 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.325'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[17] ↑ Q84122780 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.017'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[18] ↑ Q84122780 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.920'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[19] ↑ Q84122780 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.0037'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q84122780 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.1839'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q84122780 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+17.78'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q84122780 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+457.8964'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q84122780 — SIMBAD ID (P3083): CPD-20 4942. wikidata.org.
[24] ↑ Q84122780 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+157.24216417215160'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q84122780 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-20.73018934264300'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q84122780 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q84122780 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). Q84122780. Retrieved May 7, 2026, from https://4ort.xyz/entity/q84122780

MLA “Q84122780.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q84122780.

BibTeX

@misc{4ortxyz_q84122780_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q84122780}}, year = {2026}, url = {https://4ort.xyz/entity/q84122780}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q84122780 — https://4ort.xyz/entity/q84122780 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q84122780 · Last refreshed: May 7, 2026