Q87212839

star in the constellation Hydra

Thing star Q87212839

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Q87212839

Summary

Q87212839 is a star^[1].

Key Facts

Q87212839's instance of is recorded as star^[2].
Q87212839's constellation is recorded as Hydra^[3].
Q87212839's catalog code is recorded as RAVE J081606.6-105358^[4].
Q87212839's catalog code is recorded as 2MASS J08160655-1053574^[5].
Q87212839's catalog code is recorded as UCAC2 28004867^[6].
Q87212839's catalog code is recorded as UCAC3 159-90022^[7].
Q87212839's catalog code is recorded as UCAC4 396-040805^[8].
Q87212839's catalog code is recorded as WISE J081606.55-105357.3^[9].
Q87212839's catalog code is recorded as USNO-B1.0 0791-00169279^[10].
Q87212839's catalog code is recorded as DENIS J081606.5-105357^[11].
Q87212839's catalog code is recorded as PPMX J081606.5-105357^[12].
Q87212839's catalog code is recorded as Gaia DR2 5728233376286489856^[13].
Q87212839's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.126'}^[14].
Q87212839's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.341'}^[15].
Q87212839's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.13'}^[16].
Q87212839's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.60'}^[17].
Q87212839's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.43'}^[18].
Q87212839's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.460'}^[19].
Q87212839's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.696'}^[20].
Q87212839's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.060'}^[21].
Q87212839's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.868'}^[22].
Q87212839's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.858'}^[23].
Q87212839's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.4048'}^[24].
Q87212839's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.4491'}^[25].
Q87212839's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-5.61'}^[26].

⭐ Popularity Graph

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Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +9.126, unit: 1, amount: +8.341, unit: 1, amount: +8.13, unit: 1, amount: +11.60, unit: 1, amount: +10.43, unit: 1, amount: +11.460, unit: 1, amount: +13.696, unit: 1, amount: +12.060, unit: 1, amount: +12.868, unit: 1, amount: +10.858, unit: 1, amount: +11.4048

Catalog code RAVE J081606.6-105358, 2MASS J08160655-1053574, UCAC2 28004867, UCAC3 159-90022, UCAC4 396-040805, WISE J081606.55-105357.3, USNO-B1.0 0791-00169279, DENIS J081606.5-105357, PPMX J081606.5-105357, Gaia DR2 5728233376286489856

Constellation Hydra

Declination unit: www.wikidata.org, amount: -10.89926341682580

Declination component of proper motion unit: www.wikidata.org, amount: -0.648

Distance from earth unit: www.wikidata.org, amount: +2226.6756

Effective temperature unit: www.wikidata.org, amount: +4500, unit: www.wikidata.org, amount: +4220

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.4491

Radial velocity unit: www.wikidata.org, amount: -5.61

Right ascension unit: www.wikidata.org, amount: +124.02730532684650

Right ascension component of proper motion unit: www.wikidata.org, amount: -0.079

Surface gravity unit: www.wikidata.org, amount: +9

External References (2)

Gaia id 5728233376286489856

Simbad id UCAC2 28004867

References

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

Direct Wikidata claims

[2] ↑ Q87212839 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q87212839 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q87212839 — catalog code (P528): RAVE J081606.6-105358. SIMBAD. wikidata.org.
[5] ↑ Q87212839 — catalog code (P528): 2MASS J08160655-1053574. SIMBAD. wikidata.org.
[6] ↑ Q87212839 — catalog code (P528): UCAC2 28004867. SIMBAD. wikidata.org.
[7] ↑ Q87212839 — catalog code (P528): UCAC3 159-90022. SIMBAD. wikidata.org.
[8] ↑ Q87212839 — catalog code (P528): UCAC4 396-040805. SIMBAD. wikidata.org.
[9] ↑ Q87212839 — catalog code (P528): WISE J081606.55-105357.3. SIMBAD. wikidata.org.
[10] ↑ Q87212839 — catalog code (P528): USNO-B1.0 0791-00169279. SIMBAD. wikidata.org.
[11] ↑ Q87212839 — catalog code (P528): DENIS J081606.5-105357. SIMBAD. wikidata.org.
[12] ↑ Q87212839 — catalog code (P528): PPMX J081606.5-105357. SIMBAD. wikidata.org.
[13] ↑ Q87212839 — catalog code (P528): Gaia DR2 5728233376286489856. SIMBAD. wikidata.org.
[14] ↑ Q87212839 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.126'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q87212839 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.341'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q87212839 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.13'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q87212839 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.60'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[18] ↑ Q87212839 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.43'}. The DENIS database, 3rd Release. wikidata.org.
[19] ↑ Q87212839 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.460'}. Carlsberg Meridian Catalog 14 (CMC14) (CMC, 2006). wikidata.org.
[20] ↑ Q87212839 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.696'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[21] ↑ Q87212839 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.060'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[22] ↑ Q87212839 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.868'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[23] ↑ Q87212839 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.858'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[24] ↑ Q87212839 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.4048'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q87212839 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.4491'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q87212839 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-5.61'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q87212839 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). Q87212839. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87212839

MLA “Q87212839.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87212839.

BibTeX

@misc{4ortxyz_q87212839_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87212839}}, year = {2026}, url = {https://4ort.xyz/entity/q87212839}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87212839 — https://4ort.xyz/entity/q87212839 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87212839 · Last refreshed: May 7, 2026