Q80641681

Thing double_star Q80641681

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Q80641681

Summary

Q80641681 is a double star^[1].

Key Facts

Q80641681's instance of is recorded as double star^[2].
Q80641681's constellation is recorded as Columba^[3].
Q80641681's spectral class is recorded as sdB+F^[4].
Q80641681's catalog code is recorded as HE 0505-2806^[5].
Q80641681's catalog code is recorded as 2MASS J05072015-2802247^[6].
Q80641681's catalog code is recorded as CD-28 1974^[7].
Q80641681's catalog code is recorded as TYC 6481-487-1^[8].
Q80641681's catalog code is recorded as GALEX J050720.3-280225^[9].
Q80641681's catalog code is recorded as EC 05053-2806^[10].
Q80641681's catalog code is recorded as GALEX J050720.1-280224^[11].
Q80641681's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.25'}^[12].
Q80641681's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.086'}^[13].
Q80641681's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.872'}^[14].
Q80641681's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.727'}^[15].
Q80641681's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.42'}^[16].
Q80641681's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.06'}^[17].
Q80641681's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+20.6'}^[18].
Q80641681's metallicity is recorded as {'unit': '1', 'amount': '-3.22'}^[19].
Q80641681's SIMBAD ID is recorded as CD-28 1974^[20].
Q80641681's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+76.8342875'}^[21].
Q80641681's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-28.0403611'}^[22].
Q80641681's epoch is recorded as J2000.0^[23].
Q80641681's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+29840'}^[24].
Q80641681's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+25710'}^[25].
Q80641681's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+26070'}^[26].

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Quick Facts

Instance of double star

Properties

Apparent magnitude unit: 1, amount: +12.25, unit: 1, amount: +11.086, unit: 1, amount: +10.872, unit: 1, amount: +10.727, unit: 1, amount: +12.42, unit: 1, amount: +11.06

Catalog code HE 0505-2806, 2MASS J05072015-2802247, CD-28 1974, TYC 6481-487-1, GALEX J050720.3-280225, EC 05053-2806, GALEX J050720.1-280224

Constellation Columba

Declination unit: www.wikidata.org, amount: -28.0403611

Declination component of proper motion unit: www.wikidata.org, amount: +7.0

Effective temperature unit: www.wikidata.org, amount: +29840, unit: www.wikidata.org, amount: +25710, unit: www.wikidata.org, amount: +26070

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: -3.22

Radial velocity unit: www.wikidata.org, amount: +20.6

Right ascension unit: www.wikidata.org, amount: +76.8342875

Right ascension component of proper motion unit: www.wikidata.org, amount: +10.9

Spectral class sdB+F

Surface gravity unit: www.wikidata.org, amount: +410000, unit: www.wikidata.org, amount: +190000, unit: www.wikidata.org, amount: +230000

External References (1)

Simbad id CD-28 1974

References

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

Direct Wikidata claims

[2] ↑ Q80641681 — instance of (P31): double star. SIMBAD. wikidata.org.
[3] ↑ Q80641681 — constellation (P59): Columba. wikidata.org.
[4] ↑ Q80641681 — spectral class (P215): sdB+F. The Edinburgh-Cape Blue Object Survey - III. Zone 2: galactic latitudes -30{deg} > b > -40{deg}. wikidata.org.
[5] ↑ Q80641681 — catalog code (P528): HE 0505-2806. SIMBAD. wikidata.org.
[6] ↑ Q80641681 — catalog code (P528): 2MASS J05072015-2802247. SIMBAD. wikidata.org.
[7] ↑ Q80641681 — catalog code (P528): CD-28 1974. SIMBAD. wikidata.org.
[8] ↑ Q80641681 — catalog code (P528): TYC 6481-487-1. SIMBAD. wikidata.org.
[9] ↑ Q80641681 — catalog code (P528): GALEX J050720.3-280225. SIMBAD. wikidata.org.
[10] ↑ Q80641681 — catalog code (P528): EC 05053-2806. SIMBAD. wikidata.org.
[11] ↑ Q80641681 — catalog code (P528): GALEX J050720.1-280224. SIMBAD. wikidata.org.
[12] ↑ Q80641681 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.25'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[13] ↑ Q80641681 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.086'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q80641681 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.872'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q80641681 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.727'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q80641681 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.42'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[17] ↑ Q80641681 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.06'}. The Edinburgh-Cape Blue Object Survey - III. Zone 2: galactic latitudes -30{deg} > b > -40{deg}. wikidata.org.
[18] ↑ Q80641681 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+20.6'}. Bright metal-poor stars from the Hamburg/ESO Survey. II. A chemodynamical analysis. wikidata.org.
[19] ↑ Q80641681 — metallicity (P2227): {'unit': '1', 'amount': '-3.22'}. Bright metal-poor stars from the Hamburg/ESO survey. I. Selection and follow-up observations from 329 fields. wikidata.org.
[20] ↑ Q80641681 — SIMBAD ID (P3083): CD-28 1974. wikidata.org.
[21] ↑ Q80641681 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+76.8342875'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[22] ↑ Q80641681 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-28.0403611'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[23] ↑ Q80641681 — epoch (P6259): J2000.0. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[24] ↑ Q80641681 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+29840'}. A selection of hot subluminous stars in the GALEX survey -- II. Subdwarf atmospheric parameters. wikidata.org.
[25] ↑ Q80641681 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+25710'}. A selection of hot subluminous stars in the GALEX survey -- II. Subdwarf atmospheric parameters. wikidata.org.
[26] ↑ Q80641681 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+26070'}. A selection of hot subluminous stars in the GALEX survey -- II. Subdwarf atmospheric parameters. wikidata.org.

Class ancestry

[1] ↑ Q80641681 is an instance of double star (Q13890) [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). Q80641681. Retrieved May 7, 2026, from https://4ort.xyz/entity/q80641681

MLA “Q80641681.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q80641681.

BibTeX

@misc{4ortxyz_q80641681_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q80641681}}, year = {2026}, url = {https://4ort.xyz/entity/q80641681}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q80641681 — https://4ort.xyz/entity/q80641681 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q80641681 · Last refreshed: May 7, 2026