Q87289039

white dwarf in the constellation Boötes

Thing white_dwarf Q87289039

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Q87289039

Summary

Q87289039 is a white dwarf^[1].

Key Facts

Q87289039's instance of is recorded as white dwarf^[2].
Q87289039's constellation is recorded as Boötes^[3].
Q87289039's spectral class is recorded as DA+M^[4].
Q87289039's catalog code is recorded as CSO 480^[5].
Q87289039's catalog code is recorded as [HHD2009] SDSS J1438+3309^[6].
Q87289039's catalog code is recorded as SDSS J143809.13+330905.0^[7].
Q87289039's catalog code is recorded as [RGS2010] J143809.13+330905.0^[8].
Q87289039's catalog code is recorded as [SGR2010] J1438+3309^[9].
Q87289039's catalog code is recorded as [SGR2010] J143809.13+330905.0^[10].
Q87289039's catalog code is recorded as 2MASS J14380915+3309052^[11].
Q87289039's catalog code is recorded as SDSS J143809.13+330905.1^[12].
Q87289039's catalog code is recorded as WIRED J143809.13+330905.0^[13].
Q87289039's catalog code is recorded as WD 1436+333^[14].
Q87289039's catalog code is recorded as Gaia DR2 1287480463466590848^[15].
Q87289039's apparent magnitude is recorded as {'unit': '1', 'amount': '+16'}^[16].
Q87289039's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.235'}^[17].
Q87289039's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.232'}^[18].
Q87289039's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.436'}^[19].
Q87289039's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.053'}^[20].
Q87289039's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.586'}^[21].
Q87289039's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.785'}^[22].
Q87289039's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.324'}^[23].
Q87289039's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.298'}^[24].
Q87289039's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.1154'}^[25].
Q87289039's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.0199'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +16, unit: 1, amount: +17.235, unit: 1, amount: +17.232, unit: 1, amount: +17.436, unit: 1, amount: +17.053, unit: 1, amount: +16.586, unit: 1, amount: +14.785, unit: 1, amount: +14.324, unit: 1, amount: +15.298, unit: 1, amount: +17.1154

Catalog code CSO 480, [HHD2009] SDSS J1438+3309, SDSS J143809.13+330905.0, [RGS2010] J143809.13+330905.0, [SGR2010] J1438+3309, [SGR2010] J143809.13+330905.0, 2MASS J14380915+3309052, SDSS J143809.13+330905.1, WIRED J143809.13+330905.0, WD 1436+333, Gaia DR2 1287480463466590848

Constellation Boötes

Declination unit: www.wikidata.org, amount: +33.15142756053440

Declination component of proper motion unit: www.wikidata.org, amount: -28.440

Distance from earth unit: www.wikidata.org, amount: +248.7624

Effective temperature unit: www.wikidata.org, amount: +9222

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.0

Parallax unit: www.wikidata.org, amount: +4.0199

Radial velocity unit: www.wikidata.org, amount: +12

Right ascension unit: www.wikidata.org, amount: +219.53809495624790

Right ascension component of proper motion unit: www.wikidata.org, amount: -30.869

Spectral class DA+M

Surface gravity unit: www.wikidata.org, amount: +260000000

External References (2)

Gaia id 1287480463466590848

Simbad id CSO 480

References

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

Direct Wikidata claims

[2] ↑ Q87289039 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q87289039 — constellation (P59): Boötes. wikidata.org.
[4] ↑ Q87289039 — spectral class (P215): DA+M. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.
[5] ↑ Q87289039 — catalog code (P528): CSO 480. SIMBAD. wikidata.org.
[6] ↑ Q87289039 — catalog code (P528): [HHD2009] SDSS J1438+3309. SIMBAD. wikidata.org.
[7] ↑ Q87289039 — catalog code (P528): SDSS J143809.13+330905.0. SIMBAD. wikidata.org.
[8] ↑ Q87289039 — catalog code (P528): [RGS2010] J143809.13+330905.0. SIMBAD. wikidata.org.
[9] ↑ Q87289039 — catalog code (P528): [SGR2010] J1438+3309. SIMBAD. wikidata.org.
[10] ↑ Q87289039 — catalog code (P528): [SGR2010] J143809.13+330905.0. SIMBAD. wikidata.org.
[11] ↑ Q87289039 — catalog code (P528): 2MASS J14380915+3309052. SIMBAD. wikidata.org.
[12] ↑ Q87289039 — catalog code (P528): SDSS J143809.13+330905.1. SIMBAD. wikidata.org.
[13] ↑ Q87289039 — catalog code (P528): WIRED J143809.13+330905.0. SIMBAD. wikidata.org.
[14] ↑ Q87289039 — catalog code (P528): WD 1436+333. SIMBAD. wikidata.org.
[15] ↑ Q87289039 — catalog code (P528): Gaia DR2 1287480463466590848. SIMBAD. wikidata.org.
[16] ↑ Q87289039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16'}. SIMBAD. wikidata.org.
[17] ↑ Q87289039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.235'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q87289039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.232'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[19] ↑ Q87289039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.436'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[20] ↑ Q87289039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.053'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[21] ↑ Q87289039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.586'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[22] ↑ Q87289039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.785'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[23] ↑ Q87289039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.324'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[24] ↑ Q87289039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.298'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[25] ↑ Q87289039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.1154'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q87289039 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.0199'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q87289039 is an instance of white dwarf (Q5871) [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). Q87289039. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87289039

MLA “Q87289039.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87289039.

BibTeX

@misc{4ortxyz_q87289039_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87289039}}, year = {2026}, url = {https://4ort.xyz/entity/q87289039}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87289039 — https://4ort.xyz/entity/q87289039 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87289039 · Last refreshed: May 7, 2026