Q77976571

RR Lyrae variable star in the constellation Hercules

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Q77976571

Summary

Q77976571 is a RR Lyrae variable^[1].

Key Facts

Q77976571's instance of is recorded as RR Lyrae variable^[2].
Q77976571's constellation is recorded as Hercules^[3].
Q77976571's catalog code is recorded as SDSS J155153.11+475622.0^[4].
Q77976571's catalog code is recorded as SDSS J155153.11+475622.2^[5].
Q77976571's catalog code is recorded as 2MASS J15515310+4756220^[6].
Q77976571's catalog code is recorded as LINEAR 15501480^[7].
Q77976571's catalog code is recorded as SDSS J155153.10+475622.1^[8].
Q77976571's catalog code is recorded as CRTS J155153.1+475621^[9].
Q77976571's catalog code is recorded as Gaia DR2 1398361774424608256^[10].
Q77976571's type of variable star is recorded as RR Lyrae variable^[11].
Q77976571's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.259'}^[12].
Q77976571's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.052'}^[13].
Q77976571's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.049'}^[14].
Q77976571's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.099'}^[15].
Q77976571's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.149'}^[16].
Q77976571's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.545'}^[17].
Q77976571's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.155'}^[18].
Q77976571's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.15'}^[19].
Q77976571's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.00'}^[20].
Q77976571's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.9668'}^[21].
Q77976571's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.1674'}^[22].
Q77976571's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-27'}^[23].
Q77976571's metallicity is recorded as {'unit': '1', 'amount': '-1.76'}^[24].
Q77976571's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q11929860', 'amount': '+11.90'}^[25].
Q77976571's SIMBAD ID is recorded as LINEAR 15501480^[26].

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Quick Facts

Instance of RR Lyrae variable

Properties

Apparent magnitude unit: 1, amount: +17.259, unit: 1, amount: +16.052, unit: 1, amount: +16.049, unit: 1, amount: +16.099, unit: 1, amount: +16.149, unit: 1, amount: +15.545, unit: 1, amount: +15.155, unit: 1, amount: +15.15, unit: 1, amount: +16.00, unit: 1, amount: +15.9668

Catalog code SDSS J155153.11+475622.0, SDSS J155153.11+475622.2, 2MASS J15515310+4756220, LINEAR 15501480, SDSS J155153.10+475622.1, CRTS J155153.1+475621, Gaia DR2 1398361774424608256

Constellation Hercules

Declination unit: www.wikidata.org, amount: +47.93946219464070

Declination component of proper motion unit: www.wikidata.org, amount: +0.563

Distance from earth unit: www.wikidata.org, amount: +11.90

Effective temperature unit: www.wikidata.org, amount: +7577

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: -1.76

Parallax unit: www.wikidata.org, amount: +0.1674

Radial velocity unit: www.wikidata.org, amount: -27

Right ascension unit: www.wikidata.org, amount: +237.97128707935260

Right ascension component of proper motion unit: www.wikidata.org, amount: -3.248

Surface gravity unit: www.wikidata.org, amount: +1700

Type of variable star RR Lyrae variable

External References (2)

Gaia id 1398361778720382592

Simbad id LINEAR 15501480

References

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

Direct Wikidata claims

[2] ↑ Q77976571 — instance of (P31): RR Lyrae variable. SIMBAD. wikidata.org.
[3] ↑ Q77976571 — constellation (P59): Hercules. wikidata.org.
[4] ↑ Q77976571 — catalog code (P528): SDSS J155153.11+475622.0. SIMBAD. wikidata.org.
[5] ↑ Q77976571 — catalog code (P528): SDSS J155153.11+475622.2. SIMBAD. wikidata.org.
[6] ↑ Q77976571 — catalog code (P528): 2MASS J15515310+4756220. SIMBAD. wikidata.org.
[7] ↑ Q77976571 — catalog code (P528): LINEAR 15501480. SIMBAD. wikidata.org.
[8] ↑ Q77976571 — catalog code (P528): SDSS J155153.10+475622.1. SIMBAD. wikidata.org.
[9] ↑ Q77976571 — catalog code (P528): CRTS J155153.1+475621. SIMBAD. wikidata.org.
[10] ↑ Q77976571 — catalog code (P528): Gaia DR2 1398361774424608256. SIMBAD. wikidata.org.
[11] ↑ Q77976571 — type of variable star (P881): RR Lyrae variable. Newly discovered RR Lyrae stars in the SDSS-Pan-STARRS1-Catalina footprint. wikidata.org.
[12] ↑ Q77976571 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.259'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[13] ↑ Q77976571 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.052'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[14] ↑ Q77976571 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.049'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[15] ↑ Q77976571 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.099'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[16] ↑ Q77976571 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.149'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[17] ↑ Q77976571 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.545'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q77976571 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.155'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q77976571 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.15'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[20] ↑ Q77976571 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.00'}. The Catalina surveys periodic variable star catalog. wikidata.org.
[21] ↑ Q77976571 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.9668'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q77976571 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.1674'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q77976571 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-27'}. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey. wikidata.org.
[24] ↑ Q77976571 — metallicity (P2227): {'unit': '1', 'amount': '-1.76'}. The Milky Way's circular velocity curve to 60 kpc and an estimate of the dark matter halo mass from the kinematics of ~2400 SDSS blue horizontal-branch stars. wikidata.org.
[25] ↑ Q77976571 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q11929860', 'amount': '+11.90'}. Exploring the variable sky with LINEAR. II. Halo structure and substructure traced by RR Lyrae stars to 30 kpc. wikidata.org.
[26] ↑ Q77976571 — SIMBAD ID (P3083): LINEAR 15501480. wikidata.org.

Class ancestry

[1] ↑ Q77976571 is an instance of RR Lyrae variable (Q726242) [P31, primary]. Wikidata. wikidata.org.

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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). Q77976571. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77976571

MLA “Q77976571.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77976571.

BibTeX

@misc{4ortxyz_q77976571_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77976571}}, year = {2026}, url = {https://4ort.xyz/entity/q77976571}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77976571 — https://4ort.xyz/entity/q77976571 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77976571 · Last refreshed: May 7, 2026