Q77821712

star in the constellation Hydra

Thing star Q77821712

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Q77821712

Summary

Q77821712 is a star^[1].

Key Facts

Q77821712's instance of is recorded as star^[2].
Q77821712's constellation is recorded as Hydra^[3].
Q77821712's spectral class is recorded as G8IV^[4].
Q77821712's catalog code is recorded as BD-16 2931^[5].
Q77821712's catalog code is recorded as GSC 06049-01658^[6].
Q77821712's catalog code is recorded as HD 86447^[7].
Q77821712's catalog code is recorded as PPM 222267^[8].
Q77821712's catalog code is recorded as TYC 6049-1658-1^[9].
Q77821712's catalog code is recorded as 2MASS J09581915-1658477^[10].
Q77821712's catalog code is recorded as RAVE J095819.2-165848^[11].
Q77821712's catalog code is recorded as Gaia DR1 5673772400697929600^[12].
Q77821712's catalog code is recorded as Gaia DR2 5673772400697929600^[13].
Q77821712's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.31'}^[14].
Q77821712's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.579'}^[15].
Q77821712's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.082'}^[16].
Q77821712's apparent magnitude is recorded as {'unit': '1', 'amount': '+6.940'}^[17].
Q77821712's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.361'}^[18].
Q77821712's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.283'}^[19].
Q77821712's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.362'}^[20].
Q77821712's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.685'}^[21].
Q77821712's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.0729'}^[22].
Q77821712's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.8252'}^[23].
Q77821712's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+29.06'}^[24].
Q77821712's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+547.8852'}^[25].
Q77821712's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+149.57980155946860'}^[26].

Body

Definition and Type

Q77821712's instance of is recorded as star^[2].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +9.31, unit: 1, amount: +7.579, unit: 1, amount: +7.082, unit: 1, amount: +6.940, unit: 1, amount: +10.361, unit: 1, amount: +10.283, unit: 1, amount: +9.362, unit: 1, amount: +8.685, unit: 1, amount: +9.0729

Catalog code BD-16 2931, GSC 06049-01658, HD 86447, PPM 222267, TYC 6049-1658-1, 2MASS J09581915-1658477, RAVE J095819.2-165848, Gaia DR1 5673772400697929600, Gaia DR2 5673772400697929600

Constellation Hydra

Declination unit: www.wikidata.org, amount: -16.97995448376730

Declination component of proper motion unit: www.wikidata.org, amount: -9.714

Distance from earth unit: www.wikidata.org, amount: +547.8852

Effective temperature unit: www.wikidata.org, amount: +5055

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.8252

Radial velocity unit: www.wikidata.org, amount: +29.06

Right ascension unit: www.wikidata.org, amount: +149.57980155946860

Right ascension component of proper motion unit: www.wikidata.org, amount: -1.225

Spectral class G8IV

Surface gravity unit: www.wikidata.org, amount: +4400

External References (2)

Gaia id 5673772400697929600

Simbad id HD 86447

References

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

Direct Wikidata claims

[2] ↑ Q77821712 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q77821712 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q77821712 — spectral class (P215): G8IV. Q66617557. wikidata.org.
[5] ↑ Q77821712 — catalog code (P528): BD-16 2931. SIMBAD. wikidata.org.
[6] ↑ Q77821712 — catalog code (P528): GSC 06049-01658. SIMBAD. wikidata.org.
[7] ↑ Q77821712 — catalog code (P528): HD 86447. SIMBAD. wikidata.org.
[8] ↑ Q77821712 — catalog code (P528): PPM 222267. SIMBAD. wikidata.org.
[9] ↑ Q77821712 — catalog code (P528): TYC 6049-1658-1. SIMBAD. wikidata.org.
[10] ↑ Q77821712 — catalog code (P528): 2MASS J09581915-1658477. SIMBAD. wikidata.org.
[11] ↑ Q77821712 — catalog code (P528): RAVE J095819.2-165848. SIMBAD. wikidata.org.
[12] ↑ Q77821712 — catalog code (P528): Gaia DR1 5673772400697929600. SIMBAD. wikidata.org.
[13] ↑ Q77821712 — catalog code (P528): Gaia DR2 5673772400697929600. SIMBAD. wikidata.org.
[14] ↑ Q77821712 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.31'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[15] ↑ Q77821712 — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.579'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q77821712 — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.082'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q77821712 — apparent magnitude (P1215): {'unit': '1', 'amount': '+6.940'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q77821712 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.361'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[19] ↑ Q77821712 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.283'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[20] ↑ Q77821712 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.362'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[21] ↑ Q77821712 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.685'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[22] ↑ Q77821712 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.0729'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q77821712 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.8252'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q77821712 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+29.06'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q77821712 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+547.8852'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q77821712 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+149.57980155946860'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q77821712 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). Q77821712. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77821712

MLA “Q77821712.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77821712.

BibTeX

@misc{4ortxyz_q77821712_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77821712}}, year = {2026}, url = {https://4ort.xyz/entity/q77821712}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77821712 — https://4ort.xyz/entity/q77821712 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77821712 · Last refreshed: May 7, 2026