Q81865544

star in the constellation Hydra

Thing star Q81865544

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Q81865544

Summary

Q81865544 is a star^[1].

Key Facts

Q81865544's instance of is recorded as star^[2].
Q81865544's constellation is recorded as Hydra^[3].
Q81865544's catalog code is recorded as USNO-B1.0 0550-00268867^[4].
Q81865544's catalog code is recorded as GSC 07240-01456^[5].
Q81865544's catalog code is recorded as TYC 7240-1456-1^[6].
Q81865544's catalog code is recorded as 2MASS J12150262-3455351^[7].
Q81865544's catalog code is recorded as RAVE J121502.6-345535^[8].
Q81865544's catalog code is recorded as DENIS J121502.6-345535^[9].
Q81865544's catalog code is recorded as Gaia DR1 3462093560151559552^[10].
Q81865544's catalog code is recorded as Gaia DR2 3462093564448053376^[11].
Q81865544's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.286'}^[12].
Q81865544's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.115'}^[13].
Q81865544's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.074'}^[14].
Q81865544's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.855'}^[15].
Q81865544's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.87'}^[16].
Q81865544's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.655'}^[17].
Q81865544's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.186'}^[18].
Q81865544's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.481'}^[19].
Q81865544's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.086'}^[20].
Q81865544's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.029'}^[21].
Q81865544's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.0998'}^[22].
Q81865544's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6989'}^[23].
Q81865544's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-17.39'}^[24].
Q81865544's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+588.6162'}^[25].
Q81865544's SIMBAD ID is recorded as TYC 7240-1456-1^[26].

⭐ Popularity Graph

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Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +10.286, unit: 1, amount: +10.115, unit: 1, amount: +10.074, unit: 1, amount: +10.855, unit: 1, amount: +10.87, unit: 1, amount: +11.655, unit: 1, amount: +11.186, unit: 1, amount: +11.481, unit: 1, amount: +11.086, unit: 1, amount: +11.029, unit: 1, amount: +11.0998

Catalog code USNO-B1.0 0550-00268867, GSC 07240-01456, TYC 7240-1456-1, 2MASS J12150262-3455351, RAVE J121502.6-345535, DENIS J121502.6-345535, Gaia DR1 3462093560151559552, Gaia DR2 3462093564448053376

Constellation Hydra

Declination unit: www.wikidata.org, amount: -34.92644705403040

Declination component of proper motion unit: www.wikidata.org, amount: +2.173

Distance from earth unit: www.wikidata.org, amount: +588.6162

Effective temperature unit: www.wikidata.org, amount: +6290

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.6989

Radial velocity unit: www.wikidata.org, amount: -17.39

Right ascension unit: www.wikidata.org, amount: +183.76095755760630

Right ascension component of proper motion unit: www.wikidata.org, amount: -6.268

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

External References (2)

Gaia id 3462093564448053376

Simbad id TYC 7240-1456-1

References

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

Direct Wikidata claims

[2] ↑ Q81865544 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q81865544 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81865544 — catalog code (P528): USNO-B1.0 0550-00268867. SIMBAD. wikidata.org.
[5] ↑ Q81865544 — catalog code (P528): GSC 07240-01456. SIMBAD. wikidata.org.
[6] ↑ Q81865544 — catalog code (P528): TYC 7240-1456-1. SIMBAD. wikidata.org.
[7] ↑ Q81865544 — catalog code (P528): 2MASS J12150262-3455351. SIMBAD. wikidata.org.
[8] ↑ Q81865544 — catalog code (P528): RAVE J121502.6-345535. SIMBAD. wikidata.org.
[9] ↑ Q81865544 — catalog code (P528): DENIS J121502.6-345535. SIMBAD. wikidata.org.
[10] ↑ Q81865544 — catalog code (P528): Gaia DR1 3462093560151559552. SIMBAD. wikidata.org.
[11] ↑ Q81865544 — catalog code (P528): Gaia DR2 3462093564448053376. SIMBAD. wikidata.org.
[12] ↑ Q81865544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.286'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q81865544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.115'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81865544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.074'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81865544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.855'}. The DENIS database, 3rd Release. wikidata.org.
[16] ↑ Q81865544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.87'}. The USNO-B Catalog. wikidata.org.
[17] ↑ Q81865544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.655'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[18] ↑ Q81865544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.186'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[19] ↑ Q81865544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.481'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[20] ↑ Q81865544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.086'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[21] ↑ Q81865544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.029'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[22] ↑ Q81865544 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.0998'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81865544 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6989'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81865544 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-17.39'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81865544 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+588.6162'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81865544 — SIMBAD ID (P3083): TYC 7240-1456-1. wikidata.org.

Class ancestry

[1] ↑ Q81865544 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). Q81865544. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81865544

MLA “Q81865544.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81865544.

BibTeX

@misc{4ortxyz_q81865544_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81865544}}, year = {2026}, url = {https://4ort.xyz/entity/q81865544}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81865544 — https://4ort.xyz/entity/q81865544 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81865544 · Last refreshed: May 7, 2026