Q90785200

Thing by_draconis_variable Q90785200

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Q90785200

Summary

Q90785200 is a BY Draconis variable^[1].

Key Facts

Q90785200's instance of is recorded as BY Draconis variable^[2].
Q90785200's constellation is recorded as Perseus^[3].
Q90785200's spectral class is recorded as F9V^[4].
Q90785200's catalog code is recorded as 2MASS J03260421+4848070^[5].
Q90785200's catalog code is recorded as Cl* Melotte 20 AP 32^[6].
Q90785200's catalog code is recorded as CSI+48-03225^[7].
Q90785200's catalog code is recorded as GEN# +5.20201532^[8].
Q90785200's catalog code is recorded as GSC 03320-01639^[9].
Q90785200's catalog code is recorded as TYC 3320-1639-1^[10].
Q90785200's catalog code is recorded as Cl Melotte 20 684^[11].
Q90785200's catalog code is recorded as [PEW2013] 41^[12].
Q90785200's catalog code is recorded as Gaia DR1 441386229867534592^[13].
Q90785200's catalog code is recorded as Gaia DR2 441386229867534592^[14].
Q90785200's catalog code is recorded as V688 Per^[15].
Q90785200's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.59'}^[16].
Q90785200's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.16'}^[17].
Q90785200's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.494'}^[18].
Q90785200's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.215'}^[19].
Q90785200's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.165'}^[20].
Q90785200's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.5365'}^[21].
Q90785200's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.2824'}^[22].
Q90785200's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+11.16'}^[23].
Q90785200's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-3.45'}^[24].
Q90785200's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+233.5139'}^[25].
Q90785200's stellar rotational velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+71.0'}^[26].

Body

Definition and Type

Q90785200's instance of is recorded as BY Draconis variable^[2].

⭐ Popularity Graph

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Quick Facts

Instance of BY Draconis variable

Properties

Apparent magnitude unit: 1, amount: +10.59, unit: 1, amount: +11.16, unit: 1, amount: +9.494, unit: 1, amount: +9.215, unit: 1, amount: +9.165, unit: 1, amount: +10.5365

Catalog code 2MASS J03260421+4848070, Cl* Melotte 20 AP 32, CSI+48-03225, GEN# +5.20201532, GSC 03320-01639, TYC 3320-1639-1, Cl Melotte 20 684, [PEW2013] 41, Gaia DR1 441386229867534592, Gaia DR2 441386229867534592, V688 Per

Constellation Perseus

Declination unit: www.wikidata.org, amount: +48.80195223137240

Declination component of proper motion unit: www.wikidata.org, amount: -24.952

Distance from earth unit: www.wikidata.org, amount: +233.5139

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +4.2824

Radial velocity unit: www.wikidata.org, amount: +11.16, unit: www.wikidata.org, amount: -3.45

Right ascension unit: www.wikidata.org, amount: +51.51754476266200

Right ascension component of proper motion unit: www.wikidata.org, amount: +22.612

Spectral class F9V

Stellar rotational velocity unit: www.wikidata.org, amount: +71.0

External References (2)

Gaia id 441386229867534592

Simbad id V* V688 Per

🏷️ Also known as

ru V688 Персея

References

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

Direct Wikidata claims

[2] ↑ Q90785200 — instance of (P31): BY Draconis variable. SIMBAD. wikidata.org.
[3] ↑ Q90785200 — constellation (P59): Perseus. wikidata.org.
[4] ↑ Q90785200 — spectral class (P215): F9V. The H-R diagram of the alpha Persei cluster. wikidata.org.
[5] ↑ Q90785200 — catalog code (P528): 2MASS J03260421+4848070. SIMBAD. wikidata.org.
[6] ↑ Q90785200 — catalog code (P528): Cl* Melotte 20 AP 32. SIMBAD. wikidata.org.
[7] ↑ Q90785200 — catalog code (P528): CSI+48-03225. SIMBAD. wikidata.org.
[8] ↑ Q90785200 — catalog code (P528): GEN# +5.20201532. SIMBAD. wikidata.org.
[9] ↑ Q90785200 — catalog code (P528): GSC 03320-01639. SIMBAD. wikidata.org.
[10] ↑ Q90785200 — catalog code (P528): TYC 3320-1639-1. SIMBAD. wikidata.org.
[11] ↑ Q90785200 — catalog code (P528): Cl Melotte 20 684. SIMBAD. wikidata.org.
[12] ↑ Q90785200 — catalog code (P528): [PEW2013] 41. SIMBAD. wikidata.org.
[13] ↑ Q90785200 — catalog code (P528): Gaia DR1 441386229867534592. SIMBAD. wikidata.org.
[14] ↑ Q90785200 — catalog code (P528): Gaia DR2 441386229867534592. SIMBAD. wikidata.org.
[15] ↑ Q90785200 — catalog code (P528): V688 Per. wikidata.org.
[16] ↑ Q90785200 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.59'}. SIMBAD. wikidata.org.
[17] ↑ Q90785200 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.16'}. SIMBAD. wikidata.org.
[18] ↑ Q90785200 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.494'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q90785200 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.215'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[20] ↑ Q90785200 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.165'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[21] ↑ Q90785200 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.5365'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q90785200 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.2824'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q90785200 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+11.16'}. Catalogues of radial and rotational velocities of 1253 F-K dwarfs in 13 nearby open clusters. wikidata.org.
[24] ↑ Q90785200 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-3.45'}. Catalogues of radial and rotational velocities of 1253 F-K dwarfs in 13 nearby open clusters. wikidata.org.
[25] ↑ Q90785200 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+233.5139'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q90785200 — stellar rotational velocity (P4296): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+71.0'}. Are the spin axes of stars randomly aligned within a cluster ?. wikidata.org.

Class ancestry

[1] ↑ Q90785200 is an instance of BY Draconis variable (Q797219) [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). Q90785200. Retrieved May 7, 2026, from https://4ort.xyz/entity/q90785200

MLA “Q90785200.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q90785200.

BibTeX

@misc{4ortxyz_q90785200_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q90785200}}, year = {2026}, url = {https://4ort.xyz/entity/q90785200}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q90785200 — https://4ort.xyz/entity/q90785200 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q90785200 · Last refreshed: May 7, 2026