Q66530878

Thing by_draconis_variable Q66530878

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Q66530878

Summary

Q66530878 is a BY Draconis variable^[1].

Key Facts

Q66530878's instance of is recorded as BY Draconis variable^[2].
Q66530878's spectral class is recorded as K0 V^[3].
Q66530878's catalog code is recorded as ASCC 1142753^[4].
Q66530878's catalog code is recorded as GSC 00336-00981^[5].
Q66530878's catalog code is recorded as HD 135599^[6].
Q66530878's catalog code is recorded as HIC 74702^[7].
Q66530878's catalog code is recorded as HIP 74702^[8].
Q66530878's catalog code is recorded as IRAS 15134+0058^[9].
Q66530878's catalog code is recorded as LSPM J1515+0047^[10].
Q66530878's catalog code is recorded as LTT 14541^[11].
Q66530878's catalog code is recorded as 2MASS J15155918+0047469^[12].
Q66530878's catalog code is recorded as NLTT 39728^[13].
Q66530878's catalog code is recorded as PPM 161403^[14].
Q66530878's catalog code is recorded as 1RXS J151559.1+004750^[15].
Q66530878's catalog code is recorded as SAO 120922^[16].
Q66530878's catalog code is recorded as SDSS J151559.14+004746.8^[17].
Q66530878's catalog code is recorded as SPOCS 644^[18].
Q66530878's catalog code is recorded as SRS 12829^[19].
Q66530878's catalog code is recorded as TYC 336-981-1^[20].
Q66530878's catalog code is recorded as AG+00 1829^[21].
Q66530878's catalog code is recorded as BD+01 3052^[22].
Q66530878's catalog code is recorded as RX J1515.9+0047^[23].
Q66530878's catalog code is recorded as [ZEH2003] RX J1515.9+0047 1^[24].
Q66530878's catalog code is recorded as Gaia DR1 4419140641683040384^[25].
Q66530878's catalog code is recorded as Gaia DR2 4419140645978987904^[26].

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Quick Facts

Instance of BY Draconis variable

Properties

Apparent magnitude unit: 1, amount: +8.215, unit: 1, amount: +7.748, unit: 1, amount: +6.905, unit: 1, amount: +6.438, unit: 1, amount: +6.028, unit: 1, amount: +6.6866, unit: 1, amount: +5.48, unit: 1, amount: +5.115, unit: 1, amount: +4.958, unit: 1, amount: +12.993, unit: 1, amount: +11.414, unit: 1, amount: +10.631, unit: 1, amount: +9.426, unit: 1, amount: +10.600

Catalog code ASCC 1142753, GSC 00336-00981, HD 135599, HIC 74702, HIP 74702, IRAS 15134+0058, LSPM J1515+0047, LTT 14541, 2MASS J15155918+0047469, NLTT 39728, PPM 161403, 1RXS J151559.1+004750, SAO 120922, SDSS J151559.14+004746.8, SPOCS 644, SRS 12829, TYC 336-981-1, AG+00 1829, BD+01 3052, RX J1515.9+0047, [ZEH2003] RX J1515.9+0047 1, Gaia DR1 4419140641683040384, Gaia DR2 4419140645978987904

Declination unit: www.wikidata.org, amount: +0.79636142331570

Declination component of proper motion unit: www.wikidata.org, amount: -137.214

Distance from earth unit: www.wikidata.org, amount: +15.8148

Effective temperature unit: www.wikidata.org, amount: +5270

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +7.50

Parallax unit: www.wikidata.org, amount: +63.2318

Radial velocity unit: www.wikidata.org, amount: -3.25

Right ascension unit: www.wikidata.org, amount: +228.99652893600140

Right ascension component of proper motion unit: www.wikidata.org, amount: +178.000

Spectral class K0 V

Stellar rotational velocity unit: www.wikidata.org, amount: +3.8

Surface gravity unit: www.wikidata.org, amount: +35500

External References (3)

Aricns 05754

Gaia id 4419140645978987904

Simbad id HD 135599

References

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

Direct Wikidata claims

[2] ↑ Q66530878 — instance of (P31): BY Draconis variable. SIMBAD. wikidata.org.
[3] ↑ Q66530878 — spectral class (P215): K0 V. Q53997770. wikidata.org.
[4] ↑ Q66530878 — catalog code (P528): ASCC 1142753. SIMBAD. wikidata.org.
[5] ↑ Q66530878 — catalog code (P528): GSC 00336-00981. SIMBAD. wikidata.org.
[6] ↑ Q66530878 — catalog code (P528): HD 135599. SIMBAD. wikidata.org.
[7] ↑ Q66530878 — catalog code (P528): HIC 74702. SIMBAD. wikidata.org.
[8] ↑ Q66530878 — catalog code (P528): HIP 74702. SIMBAD. wikidata.org.
[9] ↑ Q66530878 — catalog code (P528): IRAS 15134+0058. SIMBAD. wikidata.org.
[10] ↑ Q66530878 — catalog code (P528): LSPM J1515+0047. SIMBAD. wikidata.org.
[11] ↑ Q66530878 — catalog code (P528): LTT 14541. SIMBAD. wikidata.org.
[12] ↑ Q66530878 — catalog code (P528): 2MASS J15155918+0047469. SIMBAD. wikidata.org.
[13] ↑ Q66530878 — catalog code (P528): NLTT 39728. SIMBAD. wikidata.org.
[14] ↑ Q66530878 — catalog code (P528): PPM 161403. SIMBAD. wikidata.org.
[15] ↑ Q66530878 — catalog code (P528): 1RXS J151559.1+004750. SIMBAD. wikidata.org.
[16] ↑ Q66530878 — catalog code (P528): SAO 120922. SIMBAD. wikidata.org.
[17] ↑ Q66530878 — catalog code (P528): SDSS J151559.14+004746.8. SIMBAD. wikidata.org.
[18] ↑ Q66530878 — catalog code (P528): SPOCS 644. SIMBAD. wikidata.org.
[19] ↑ Q66530878 — catalog code (P528): SRS 12829. SIMBAD. wikidata.org.
[20] ↑ Q66530878 — catalog code (P528): TYC 336-981-1. SIMBAD. wikidata.org.
[21] ↑ Q66530878 — catalog code (P528): AG+00 1829. SIMBAD. wikidata.org.
[22] ↑ Q66530878 — catalog code (P528): BD+01 3052. SIMBAD. wikidata.org.
[23] ↑ Q66530878 — catalog code (P528): RX J1515.9+0047. SIMBAD. wikidata.org.
[24] ↑ Q66530878 — catalog code (P528): [ZEH2003] RX J1515.9+0047 1. SIMBAD. wikidata.org.
[25] ↑ Q66530878 — catalog code (P528): Gaia DR1 4419140641683040384. SIMBAD. wikidata.org.
[26] ↑ Q66530878 — catalog code (P528): Gaia DR2 4419140645978987904. SIMBAD. wikidata.org.

Class ancestry

[1] ↑ Q66530878 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). Q66530878. Retrieved May 7, 2026, from https://4ort.xyz/entity/q66530878

MLA “Q66530878.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q66530878.

BibTeX

@misc{4ortxyz_q66530878_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q66530878}}, year = {2026}, url = {https://4ort.xyz/entity/q66530878}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q66530878 — https://4ort.xyz/entity/q66530878 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q66530878 · Last refreshed: May 7, 2026