Q87321681

classical Cepheid variable star in the constellation Hydra

Thing classical_cepheid_variable Q87321681

Press Enter · cited answer in seconds

Q87321681

Summary

Q87321681 is a classical Cepheid variable^[1].

Key Facts

Q87321681's instance of is recorded as classical Cepheid variable^[2].
Q87321681's constellation is recorded as Hydra^[3].
Q87321681's catalog code is recorded as ASAS J081255+0254.8^[4].
Q87321681's catalog code is recorded as UCAC3 186-87764^[5].
Q87321681's catalog code is recorded as USNO-B1.0 0929-00212399^[6].
Q87321681's catalog code is recorded as 2MASS J08125524+0254458^[7].
Q87321681's catalog code is recorded as CRTS J081255.2+025446^[8].
Q87321681's catalog code is recorded as Gaia DR2 3091247052816515712^[9].
Q87321681's type of variable star is recorded as classical Cepheid variable^[10].
Q87321681's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.83'}^[11].
Q87321681's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.23'}^[12].
Q87321681's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.778'}^[13].
Q87321681's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.199'}^[14].
Q87321681's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.051'}^[15].
Q87321681's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.5017'}^[16].
Q87321681's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.5931'}^[17].
Q87321681's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+93.20'}^[18].
Q87321681's metallicity is recorded as {'unit': '1', 'amount': '-0.26'}^[19].
Q87321681's metallicity is recorded as {'unit': '1', 'amount': '-0.32'}^[20].
Q87321681's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1686.0563'}^[21].
Q87321681's SIMBAD ID is recorded as ASAS J081255+0254.8^[22].
Q87321681's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+123.23022960483770'}^[23].
Q87321681's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.91277952650690'}^[24].
Q87321681's epoch is recorded as J2000.0^[25].
Q87321681's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+4837'}^[26].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of classical Cepheid variable

Properties

Apparent magnitude unit: 1, amount: +12.83, unit: 1, amount: +12.23, unit: 1, amount: +10.778, unit: 1, amount: +10.199, unit: 1, amount: +10.051, unit: 1, amount: +12.5017

Catalog code ASAS J081255+0254.8, UCAC3 186-87764, USNO-B1.0 0929-00212399, 2MASS J08125524+0254458, CRTS J081255.2+025446, Gaia DR2 3091247052816515712

Constellation Hydra

Declination unit: www.wikidata.org, amount: +2.91277952650690

Declination component of proper motion unit: www.wikidata.org, amount: -8.048

Distance from earth unit: www.wikidata.org, amount: +1686.0563

Effective temperature unit: www.wikidata.org, amount: +4837, unit: www.wikidata.org, amount: +4990

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: -0.26, unit: 1, amount: -0.32

Parallax unit: www.wikidata.org, amount: +0.5931

Radial velocity unit: www.wikidata.org, amount: +93.20

Right ascension unit: www.wikidata.org, amount: +123.23022960483770

Right ascension component of proper motion unit: www.wikidata.org, amount: -2.165

Surface gravity unit: www.wikidata.org, amount: +460, unit: www.wikidata.org, amount: +450, unit: www.wikidata.org, amount: +1320

Type of variable star classical Cepheid variable

External References (2)

Gaia id 3091247052816515712

Simbad id ASAS J081255+0254.8

References

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

Direct Wikidata claims

[2] ↑ Q87321681 — instance of (P31): classical Cepheid variable. SIMBAD. wikidata.org.
[3] ↑ Q87321681 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q87321681 — catalog code (P528): ASAS J081255+0254.8. SIMBAD. wikidata.org.
[5] ↑ Q87321681 — catalog code (P528): UCAC3 186-87764. SIMBAD. wikidata.org.
[6] ↑ Q87321681 — catalog code (P528): USNO-B1.0 0929-00212399. SIMBAD. wikidata.org.
[7] ↑ Q87321681 — catalog code (P528): 2MASS J08125524+0254458. SIMBAD. wikidata.org.
[8] ↑ Q87321681 — catalog code (P528): CRTS J081255.2+025446. SIMBAD. wikidata.org.
[9] ↑ Q87321681 — catalog code (P528): Gaia DR2 3091247052816515712. SIMBAD. wikidata.org.
[10] ↑ Q87321681 — type of variable star (P881): classical Cepheid variable. Spectra of type II cepheid candidates and related stars. wikidata.org.
[11] ↑ Q87321681 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.83'}. Photometry of type II Cepheid candidates from the northern part of the All Sky Automated Survey. wikidata.org.
[12] ↑ Q87321681 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.23'}. Photometry of type II Cepheid candidates from the northern part of the All Sky Automated Survey. wikidata.org.
[13] ↑ Q87321681 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.778'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q87321681 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.199'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q87321681 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.051'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q87321681 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.5017'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q87321681 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.5931'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q87321681 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+93.20'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q87321681 — metallicity (P2227): {'unit': '1', 'amount': '-0.26'}. Spectra of type II cepheid candidates and related stars. wikidata.org.
[20] ↑ Q87321681 — metallicity (P2227): {'unit': '1', 'amount': '-0.32'}. Spectra of type II cepheid candidates and related stars. wikidata.org.
[21] ↑ Q87321681 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1686.0563'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q87321681 — SIMBAD ID (P3083): ASAS J081255+0254.8. wikidata.org.
[23] ↑ Q87321681 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+123.23022960483770'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q87321681 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.91277952650690'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q87321681 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q87321681 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+4837'}. Spectra of type II cepheid candidates and related stars. wikidata.org.

Class ancestry

[1] ↑ Q87321681 is an instance of classical Cepheid variable (Q10451997) [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). Q87321681. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87321681

MLA “Q87321681.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87321681.

BibTeX

@misc{4ortxyz_q87321681_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87321681}}, year = {2026}, url = {https://4ort.xyz/entity/q87321681}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87321681 — https://4ort.xyz/entity/q87321681 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87321681 · Last refreshed: May 7, 2026