Q78255642

classical Cepheid variable star in the constellation Lyra

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Q78255642

Summary

Q78255642 is a classical Cepheid variable^[1].

Key Facts

Q78255642's instance of is recorded as classical Cepheid variable^[2].
Q78255642's constellation is recorded as Lyra^[3].
Q78255642's catalog code is recorded as 2MASS J18335786+4237252^[4].
Q78255642's catalog code is recorded as UCAC4 664-067923^[5].
Q78255642's catalog code is recorded as Gaia DR2 2111672382486972416^[6].
Q78255642's catalog code is recorded as ROTSE1 J183357.91+423721.4^[7].
Q78255642's type of variable star is recorded as classical Cepheid variable^[8].
Q78255642's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.280'}^[9].
Q78255642's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.363'}^[10].
Q78255642's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.827'}^[11].
Q78255642's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.93'}^[12].
Q78255642's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.17'}^[13].
Q78255642's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.82'}^[14].
Q78255642's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.39'}^[15].
Q78255642's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.31'}^[16].
Q78255642's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.17'}^[17].
Q78255642's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.1913'}^[18].
Q78255642's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.5028'}^[19].
Q78255642's metallicity is recorded as {'unit': '1', 'amount': '-0.23'}^[20].
Q78255642's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1988.86'}^[21].
Q78255642's SIMBAD ID is recorded as ROTSE1 J183357.91+423721.4^[22].
Q78255642's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+278.49112755328207'}^[23].
Q78255642's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+42.62367614513055'}^[24].
Q78255642's epoch is recorded as J2000.0^[25].
Q78255642's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+5786'}^[26].

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Quick Facts

Instance of classical Cepheid variable

Properties

Apparent magnitude unit: 1, amount: +10.280, unit: 1, amount: +10.363, unit: 1, amount: +10.827, unit: 1, amount: +11.93, unit: 1, amount: +12.17, unit: 1, amount: +12.82, unit: 1, amount: +12.39, unit: 1, amount: +13.31, unit: 1, amount: +12.17, unit: 1, amount: +12.1913

Catalog code 2MASS J18335786+4237252, UCAC4 664-067923, Gaia DR2 2111672382486972416, ROTSE1 J183357.91+423721.4

Constellation Lyra

Declination unit: www.wikidata.org, amount: +42.62367614513055

Declination component of proper motion unit: www.wikidata.org, amount: -10.568

Distance from earth unit: www.wikidata.org, amount: +1988.86

Effective temperature unit: www.wikidata.org, amount: +5786

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: -0.23

Parallax unit: www.wikidata.org, amount: +0.5028

Right ascension unit: www.wikidata.org, amount: +278.49112755328207

Right ascension component of proper motion unit: www.wikidata.org, amount: -3.685

Surface gravity unit: www.wikidata.org, amount: +11200

Type of variable star classical Cepheid variable

External References (2)

Gaia id 2111672382486972416

Simbad id ROTSE1 J183357.91+423721.4

References

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

Direct Wikidata claims

[2] ↑ Q78255642 — instance of (P31): classical Cepheid variable. SIMBAD. wikidata.org.
[3] ↑ Q78255642 — constellation (P59): Lyra. wikidata.org.
[4] ↑ Q78255642 — catalog code (P528): 2MASS J18335786+4237252. SIMBAD. wikidata.org.
[5] ↑ Q78255642 — catalog code (P528): UCAC4 664-067923. SIMBAD. wikidata.org.
[6] ↑ Q78255642 — catalog code (P528): Gaia DR2 2111672382486972416. SIMBAD. wikidata.org.
[7] ↑ Q78255642 — catalog code (P528): ROTSE1 J183357.91+423721.4. SIMBAD. wikidata.org.
[8] ↑ Q78255642 — type of variable star (P881): classical Cepheid variable. Spectra of type II cepheid candidates and related stars. wikidata.org.
[9] ↑ Q78255642 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.280'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[10] ↑ Q78255642 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.363'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[11] ↑ Q78255642 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.827'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[12] ↑ Q78255642 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.93'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[13] ↑ Q78255642 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.17'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[14] ↑ Q78255642 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.82'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[15] ↑ Q78255642 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.39'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[16] ↑ Q78255642 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.31'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[17] ↑ Q78255642 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.17'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[18] ↑ Q78255642 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.1913'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q78255642 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.5028'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q78255642 — metallicity (P2227): {'unit': '1', 'amount': '-0.23'}. Spectra of type II cepheid candidates and related stars. wikidata.org.
[21] ↑ Q78255642 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1988.86'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q78255642 — SIMBAD ID (P3083): ROTSE1 J183357.91+423721.4. wikidata.org.
[23] ↑ Q78255642 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+278.49112755328207'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q78255642 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+42.62367614513055'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q78255642 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q78255642 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+5786'}. Spectra of type II cepheid candidates and related stars. wikidata.org.

Class ancestry

[1] ↑ Q78255642 is an instance of classical Cepheid variable (Q10451997) [P31, primary]. Wikidata. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Q78255642. Retrieved May 7, 2026, from https://4ort.xyz/entity/q78255642

MLA “Q78255642.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q78255642.

BibTeX

@misc{4ortxyz_q78255642_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q78255642}}, year = {2026}, url = {https://4ort.xyz/entity/q78255642}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q78255642 — https://4ort.xyz/entity/q78255642 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q78255642 · Last refreshed: May 7, 2026