Q76909772

white dwarf in the constellation Serpens

Thing white_dwarf Q76909772

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Q76909772

Summary

Q76909772 is a white dwarf^[1].

Key Facts

Q76909772's instance of is recorded as white dwarf^[2].
Q76909772's constellation is recorded as Serpens^[3].
Q76909772's spectral class is recorded as DA^[4].
Q76909772's catalog code is recorded as PG 1547+057^[5].
Q76909772's catalog code is recorded as WD 1547+057^[6].
Q76909772's catalog code is recorded as SDSS J154934.77+053517.1^[7].
Q76909772's catalog code is recorded as USNO-B1.0 0955-00254275^[8].
Q76909772's catalog code is recorded as 2MASS J15493479+0535169^[9].
Q76909772's catalog code is recorded as SDSS J154934.78+053517.1^[10].
Q76909772's catalog code is recorded as Gaia DR2 4426435871273922560^[11].
Q76909772's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.57'}^[12].
Q76909772's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.48'}^[13].
Q76909772's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.60'}^[14].
Q76909772's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.61'}^[15].
Q76909772's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.0'}^[16].
Q76909772's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.592'}^[17].
Q76909772's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.436'}^[18].
Q76909772's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.747'}^[19].
Q76909772's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.700'}^[20].
Q76909772's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.115'}^[21].
Q76909772's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.9378'}^[22].
Q76909772's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+11.2607'}^[23].
Q76909772's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-10.0'}^[24].
Q76909772's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+88.8044'}^[25].
Q76909772's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+237.39496358081750'}^[26].

Body

Definition and Type

Q76909772's instance of is recorded as white dwarf^[2].

⭐ Popularity Graph

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +15.57, unit: 1, amount: +16.48, unit: 1, amount: +16.60, unit: 1, amount: +16.61, unit: 1, amount: +16.0, unit: 1, amount: +15.592, unit: 1, amount: +16.436, unit: 1, amount: +16.747, unit: 1, amount: +15.700, unit: 1, amount: +16.115, unit: 1, amount: +15.9378

Catalog code PG 1547+057, WD 1547+057, SDSS J154934.77+053517.1, USNO-B1.0 0955-00254275, 2MASS J15493479+0535169, SDSS J154934.78+053517.1, Gaia DR2 4426435871273922560

Constellation Serpens

Declination unit: www.wikidata.org, amount: +5.58808331338350

Declination component of proper motion unit: www.wikidata.org, amount: -0.917

Distance from earth unit: www.wikidata.org, amount: +88.8044

Effective temperature unit: www.wikidata.org, amount: +25610

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +11.2607

Radial velocity unit: www.wikidata.org, amount: -10.0

Right ascension unit: www.wikidata.org, amount: +237.39496358081750

Right ascension component of proper motion unit: www.wikidata.org, amount: -50.812

Spectral class DA

Surface gravity unit: www.wikidata.org, amount: +280000000

External References (2)

Gaia id 4426435871273922560

Simbad id PG 1547+057

References

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

Direct Wikidata claims

[2] ↑ Q76909772 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q76909772 — constellation (P59): Serpens. wikidata.org.
[4] ↑ Q76909772 — spectral class (P215): DA. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[5] ↑ Q76909772 — catalog code (P528): PG 1547+057. SIMBAD. wikidata.org.
[6] ↑ Q76909772 — catalog code (P528): WD 1547+057. SIMBAD. wikidata.org.
[7] ↑ Q76909772 — catalog code (P528): SDSS J154934.77+053517.1. SIMBAD. wikidata.org.
[8] ↑ Q76909772 — catalog code (P528): USNO-B1.0 0955-00254275. SIMBAD. wikidata.org.
[9] ↑ Q76909772 — catalog code (P528): 2MASS J15493479+0535169. SIMBAD. wikidata.org.
[10] ↑ Q76909772 — catalog code (P528): SDSS J154934.78+053517.1. SIMBAD. wikidata.org.
[11] ↑ Q76909772 — catalog code (P528): Gaia DR2 4426435871273922560. SIMBAD. wikidata.org.
[12] ↑ Q76909772 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.57'}. SIMBAD. wikidata.org.
[13] ↑ Q76909772 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.48'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[14] ↑ Q76909772 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.60'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[15] ↑ Q76909772 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.61'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[16] ↑ Q76909772 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.0'}. The USNO-B Catalog. wikidata.org.
[17] ↑ Q76909772 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.592'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[18] ↑ Q76909772 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.436'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[19] ↑ Q76909772 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.747'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[20] ↑ Q76909772 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.700'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[21] ↑ Q76909772 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.115'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[22] ↑ Q76909772 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.9378'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q76909772 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+11.2607'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q76909772 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-10.0'}. 3D kinematics of white dwarfs from the SPY project. II.. wikidata.org.
[25] ↑ Q76909772 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+88.8044'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q76909772 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+237.39496358081750'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q76909772 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). Q76909772. Retrieved May 7, 2026, from https://4ort.xyz/entity/q76909772

MLA “Q76909772.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q76909772.

BibTeX

@misc{4ortxyz_q76909772_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q76909772}}, year = {2026}, url = {https://4ort.xyz/entity/q76909772}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q76909772 — https://4ort.xyz/entity/q76909772 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q76909772 · Last refreshed: May 7, 2026