Q87985372

white dwarf in the constellation Serpens

Thing white_dwarf Q87985372

Press Enter · cited answer in seconds

Q87985372

Summary

Q87985372 is a white dwarf^[1].

Key Facts

Q87985372's instance of is recorded as white dwarf^[2].
Q87985372's constellation is recorded as Serpens^[3].
Q87985372's spectral class is recorded as DA+M^[4].
Q87985372's catalog code is recorded as SDSS J160821.48+085149.9^[5].
Q87985372's catalog code is recorded as [HHD2009] SDSS J1608+0851^[6].
Q87985372's catalog code is recorded as [RGS2010] J160821.47+085149.9^[7].
Q87985372's catalog code is recorded as [SGR2010] J1608+0851^[8].
Q87985372's catalog code is recorded as [SGR2010] J160821.47+085149.9^[9].
Q87985372's catalog code is recorded as SDSS J160821.47+085149.9^[10].
Q87985372's catalog code is recorded as SBC9 3388^[11].
Q87985372's catalog code is recorded as WIRED J160821.47+085149.9^[12].
Q87985372's catalog code is recorded as 2MASS J16082148+0851498^[13].
Q87985372's catalog code is recorded as WD 1605+089^[14].
Q87985372's catalog code is recorded as Gaia DR2 4451708691493927808^[15].
Q87985372's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.116'}^[16].
Q87985372's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.528'}^[17].
Q87985372's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.684'}^[18].
Q87985372's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.643'}^[19].
Q87985372's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.157'}^[20].
Q87985372's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.090'}^[21].
Q87985372's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.469'}^[22].
Q87985372's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.303'}^[23].
Q87985372's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.3554'}^[24].
Q87985372's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.5903'}^[25].
Q87985372's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+63'}^[26].

Body

Definition and Type

Q87985372's instance of is recorded as white dwarf^[2].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +19.116, unit: 1, amount: +17.528, unit: 1, amount: +18.684, unit: 1, amount: +18.643, unit: 1, amount: +18.157, unit: 1, amount: +16.090, unit: 1, amount: +15.469, unit: 1, amount: +15.303, unit: 1, amount: +18.3554

Catalog code SDSS J160821.48+085149.9, [HHD2009] SDSS J1608+0851, [RGS2010] J160821.47+085149.9, [SGR2010] J1608+0851, [SGR2010] J160821.47+085149.9, SDSS J160821.47+085149.9, SBC9 3388, WIRED J160821.47+085149.9, 2MASS J16082148+0851498, WD 1605+089, Gaia DR2 4451708691493927808

Constellation Serpens

Declination unit: www.wikidata.org, amount: +8.86386971777920

Declination component of proper motion unit: www.wikidata.org, amount: +0.983

Distance from earth unit: www.wikidata.org, amount: +178.8813

Effective temperature unit: www.wikidata.org, amount: +8167

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.0

Parallax unit: www.wikidata.org, amount: +5.5903

Radial velocity unit: www.wikidata.org, amount: +63

Right ascension unit: www.wikidata.org, amount: +242.08950078171550

Right ascension component of proper motion unit: www.wikidata.org, amount: -0.235

Spectral class DA+M

Surface gravity unit: www.wikidata.org, amount: +34000000

External References (2)

Gaia id 4451708691493927808

Simbad id SDSS J160821.48+085149.9

References

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

Direct Wikidata claims

[2] ↑ Q87985372 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q87985372 — constellation (P59): Serpens. wikidata.org.
[4] ↑ Q87985372 — spectral class (P215): DA+M. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.
[5] ↑ Q87985372 — catalog code (P528): SDSS J160821.48+085149.9. SIMBAD. wikidata.org.
[6] ↑ Q87985372 — catalog code (P528): [HHD2009] SDSS J1608+0851. SIMBAD. wikidata.org.
[7] ↑ Q87985372 — catalog code (P528): [RGS2010] J160821.47+085149.9. SIMBAD. wikidata.org.
[8] ↑ Q87985372 — catalog code (P528): [SGR2010] J1608+0851. SIMBAD. wikidata.org.
[9] ↑ Q87985372 — catalog code (P528): [SGR2010] J160821.47+085149.9. SIMBAD. wikidata.org.
[10] ↑ Q87985372 — catalog code (P528): SDSS J160821.47+085149.9. SIMBAD. wikidata.org.
[11] ↑ Q87985372 — catalog code (P528): SBC9 3388. SIMBAD. wikidata.org.
[12] ↑ Q87985372 — catalog code (P528): WIRED J160821.47+085149.9. SIMBAD. wikidata.org.
[13] ↑ Q87985372 — catalog code (P528): 2MASS J16082148+0851498. SIMBAD. wikidata.org.
[14] ↑ Q87985372 — catalog code (P528): WD 1605+089. SIMBAD. wikidata.org.
[15] ↑ Q87985372 — catalog code (P528): Gaia DR2 4451708691493927808. SIMBAD. wikidata.org.
[16] ↑ Q87985372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.116'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q87985372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.528'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q87985372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.684'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[19] ↑ Q87985372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.643'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[20] ↑ Q87985372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.157'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[21] ↑ Q87985372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.090'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[22] ↑ Q87985372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.469'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[23] ↑ Q87985372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.303'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[24] ↑ Q87985372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.3554'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q87985372 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.5903'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q87985372 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+63'}. The SDSS Photometric Catalog, Release 7. wikidata.org.

Class ancestry

[1] ↑ Q87985372 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). Q87985372. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87985372

MLA “Q87985372.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87985372.

BibTeX

@misc{4ortxyz_q87985372_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87985372}}, year = {2026}, url = {https://4ort.xyz/entity/q87985372}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87985372 — https://4ort.xyz/entity/q87985372 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87985372 · Last refreshed: May 7, 2026