Q81732223

white dwarf in the constellation Serpens

Thing white_dwarf Q81732223

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Q81732223

Summary

Q81732223 is a white dwarf^[1].

Key Facts

Q81732223's instance of is recorded as white dwarf^[2].
Q81732223's constellation is recorded as Serpens^[3].
Q81732223's spectral class is recorded as DA+M^[4].
Q81732223's catalog code is recorded as SDSS J151637.62+120701.4^[5].
Q81732223's catalog code is recorded as 2MASS J15163762+1207015^[6].
Q81732223's catalog code is recorded as WIRED J151637.61+120701.4^[7].
Q81732223's catalog code is recorded as Gaia DR2 1170233796222530688^[8].
Q81732223's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.012'}^[9].
Q81732223's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.594'}^[10].
Q81732223's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.80'}^[11].
Q81732223's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.649'}^[12].
Q81732223's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.509'}^[13].
Q81732223's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.930'}^[14].
Q81732223's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.085'}^[15].
Q81732223's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.782'}^[16].
Q81732223's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.6722'}^[17].
Q81732223's metallicity is recorded as {'unit': '1', 'amount': '+0.0'}^[18].
Q81732223's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+293'}^[19].
Q81732223's SIMBAD ID is recorded as GALEX J151637.6+120702^[20].
Q81732223's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+229.15680990481470'}^[21].
Q81732223's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+12.11709979959360'}^[22].
Q81732223's epoch is recorded as J2000.0^[23].
Q81732223's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+10345'}^[24].
Q81732223's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+174000000'}^[25].
Q81732223's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-17.827'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +19.012, unit: 1, amount: +16.594, unit: 1, amount: +18.80, unit: 1, amount: +18.649, unit: 1, amount: +18.509, unit: 1, amount: +17.930, unit: 1, amount: +16.085, unit: 1, amount: +15.782, unit: 1, amount: +18.6722

Catalog code SDSS J151637.62+120701.4, 2MASS J15163762+1207015, WIRED J151637.61+120701.4, Gaia DR2 1170233796222530688

Constellation Serpens

Declination unit: www.wikidata.org, amount: +12.11709979959360

Declination component of proper motion unit: www.wikidata.org, amount: -17.827

Distance from earth unit: www.wikidata.org, amount: +293

Effective temperature unit: www.wikidata.org, amount: +10345

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.0

Right ascension unit: www.wikidata.org, amount: +229.15680990481470

Right ascension component of proper motion unit: www.wikidata.org, amount: -44.031

Spectral class DA+M

Surface gravity unit: www.wikidata.org, amount: +174000000

External References (2)

Gaia id 1170233800518509312

Simbad id GALEX J151637.6+120702

References

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

Direct Wikidata claims

[2] ↑ Q81732223 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q81732223 — constellation (P59): Serpens. wikidata.org.
[4] ↑ Q81732223 — spectral class (P215): DA+M. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.
[5] ↑ Q81732223 — catalog code (P528): SDSS J151637.62+120701.4. SIMBAD. wikidata.org.
[6] ↑ Q81732223 — catalog code (P528): 2MASS J15163762+1207015. SIMBAD. wikidata.org.
[7] ↑ Q81732223 — catalog code (P528): WIRED J151637.61+120701.4. SIMBAD. wikidata.org.
[8] ↑ Q81732223 — catalog code (P528): Gaia DR2 1170233796222530688. SIMBAD. wikidata.org.
[9] ↑ Q81732223 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.012'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[10] ↑ Q81732223 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.594'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[11] ↑ Q81732223 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.80'}. SDSS DR7 white dwarf catalog. wikidata.org.
[12] ↑ Q81732223 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.649'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[13] ↑ Q81732223 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.509'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[14] ↑ Q81732223 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.930'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[15] ↑ Q81732223 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.085'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[16] ↑ Q81732223 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.782'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[17] ↑ Q81732223 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.6722'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81732223 — metallicity (P2227): {'unit': '1', 'amount': '+0.0'}. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.
[19] ↑ Q81732223 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+293'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[20] ↑ Q81732223 — SIMBAD ID (P3083): GALEX J151637.6+120702. wikidata.org.
[21] ↑ Q81732223 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+229.15680990481470'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81732223 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+12.11709979959360'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81732223 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81732223 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+10345'}. SDSS DR7 white dwarf catalog. wikidata.org.
[25] ↑ Q81732223 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+174000000'}. SDSS DR7 white dwarf catalog. wikidata.org.
[26] ↑ Q81732223 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-17.827'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81732223 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). Q81732223. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81732223

MLA “Q81732223.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81732223.

BibTeX

@misc{4ortxyz_q81732223_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81732223}}, year = {2026}, url = {https://4ort.xyz/entity/q81732223}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81732223 — https://4ort.xyz/entity/q81732223 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81732223 · Last refreshed: May 7, 2026