Q83812241

horizontal branch star in the constellation Cetus

Thing horizontal_branch_star Q83812241

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Q83812241

Summary

Q83812241 is a horizontal branch star^[1].

Key Facts

Q83812241's instance of is recorded as horizontal branch star^[2].
Q83812241's constellation is recorded as Cetus^[3].
Q83812241's spectral class is recorded as A1.6^[4].
Q83812241's catalog code is recorded as 2MASS J00445007+0028557^[5].
Q83812241's catalog code is recorded as HE 0042+0012^[6].
Q83812241's catalog code is recorded as CHSS 970^[7].
Q83812241's catalog code is recorded as SDSS J004450.08+002855.8^[8].
Q83812241's catalog code is recorded as SDSS J004450.08+002855.9^[9].
Q83812241's catalog code is recorded as Gaia DR2 2549069244864931840^[10].
Q83812241's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.9'}^[11].
Q83812241's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.9'}^[12].
Q83812241's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.617'}^[13].
Q83812241's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.549'}^[14].
Q83812241's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.632'}^[15].
Q83812241's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.910'}^[16].
Q83812241's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.683'}^[17].
Q83812241's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.884'}^[18].
Q83812241's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.029'}^[19].
Q83812241's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.098'}^[20].
Q83812241's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.7930'}^[21].
Q83812241's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.1476'}^[22].
Q83812241's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-141.0'}^[23].
Q83812241's metallicity is recorded as {'unit': '1', 'amount': '-2.02'}^[24].
Q83812241's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q11929860', 'amount': '+10.2'}^[25].
Q83812241's SIMBAD ID is recorded as 2MASS J00445007+0028557^[26].

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Quick Facts

Instance of horizontal branch star

Properties

Apparent magnitude unit: 1, amount: +15.9, unit: 1, amount: +15.9, unit: 1, amount: +15.617, unit: 1, amount: +15.549, unit: 1, amount: +15.632, unit: 1, amount: +16.910, unit: 1, amount: +15.683, unit: 1, amount: +15.884, unit: 1, amount: +16.029, unit: 1, amount: +16.098, unit: 1, amount: +15.7930

Catalog code 2MASS J00445007+0028557, HE 0042+0012, CHSS 970, SDSS J004450.08+002855.8, SDSS J004450.08+002855.9, Gaia DR2 2549069244864931840

Constellation Cetus

Declination unit: www.wikidata.org, amount: +0.48220862055610

Declination component of proper motion unit: www.wikidata.org, amount: -3.973

Distance from earth unit: www.wikidata.org, amount: +10.2

Effective temperature unit: www.wikidata.org, amount: +8465

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: -2.02

Parallax unit: www.wikidata.org, amount: +0.1476

Radial velocity unit: www.wikidata.org, amount: -141.0

Right ascension unit: www.wikidata.org, amount: +11.20866769654160

Right ascension component of proper motion unit: www.wikidata.org, amount: +3.172

Spectral class A1.6

Surface gravity unit: www.wikidata.org, amount: +780

External References (2)

Gaia id 2549069244864931840

Simbad id 2MASS J00445007+0028557

References

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

Direct Wikidata claims

[2] ↑ Q83812241 — instance of (P31): horizontal branch star. SIMBAD. wikidata.org.
[3] ↑ Q83812241 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q83812241 — spectral class (P215): A1.6. The Century Survey Galactic Halo Project. II. Global Properties and the Luminosity Function of Field Blue Horizontal Branch Stars. wikidata.org.
[5] ↑ Q83812241 — catalog code (P528): 2MASS J00445007+0028557. SIMBAD. wikidata.org.
[6] ↑ Q83812241 — catalog code (P528): HE 0042+0012. SIMBAD. wikidata.org.
[7] ↑ Q83812241 — catalog code (P528): CHSS 970. SIMBAD. wikidata.org.
[8] ↑ Q83812241 — catalog code (P528): SDSS J004450.08+002855.8. SIMBAD. wikidata.org.
[9] ↑ Q83812241 — catalog code (P528): SDSS J004450.08+002855.9. SIMBAD. wikidata.org.
[10] ↑ Q83812241 — catalog code (P528): Gaia DR2 2549069244864931840. SIMBAD. wikidata.org.
[11] ↑ Q83812241 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.9'}. SIMBAD. wikidata.org.
[12] ↑ Q83812241 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.9'}. SIMBAD. wikidata.org.
[13] ↑ Q83812241 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.617'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q83812241 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.549'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q83812241 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.632'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q83812241 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.910'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[17] ↑ Q83812241 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.683'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[18] ↑ Q83812241 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.884'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[19] ↑ Q83812241 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.029'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[20] ↑ Q83812241 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.098'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[21] ↑ Q83812241 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.7930'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q83812241 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.1476'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q83812241 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-141.0'}. Quantifying kinematic substructure in the Milky Way's stellar halo. wikidata.org.
[24] ↑ Q83812241 — metallicity (P2227): {'unit': '1', 'amount': '-2.02'}. 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] ↑ Q83812241 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q11929860', 'amount': '+10.2'}. Quantifying kinematic substructure in the Milky Way's stellar halo. wikidata.org.
[26] ↑ Q83812241 — SIMBAD ID (P3083): 2MASS J00445007+0028557. wikidata.org.

Class ancestry

[1] ↑ Q83812241 is an instance of horizontal branch star (Q72803426) [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). Q83812241. Retrieved May 7, 2026, from https://4ort.xyz/entity/q83812241

MLA “Q83812241.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q83812241.

BibTeX

@misc{4ortxyz_q83812241_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q83812241}}, year = {2026}, url = {https://4ort.xyz/entity/q83812241}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q83812241 — https://4ort.xyz/entity/q83812241 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q83812241 · Last refreshed: May 7, 2026