Q76988820

white dwarf in the constellation Serpens

Thing white_dwarf Q76988820

Press Enter · cited answer in seconds

Q76988820

Summary

Q76988820 is a white dwarf^[1].

Key Facts

Q76988820's instance of is recorded as white dwarf^[2].
Q76988820's constellation is recorded as Serpens^[3].
Q76988820's spectral class is recorded as DA+M^[4].
Q76988820's catalog code is recorded as [SGR2010] J1539+0922^[5].
Q76988820's catalog code is recorded as [SGR2010] J153934.63+092221.5^[6].
Q76988820's catalog code is recorded as SDSS J153934.63+092221.5^[7].
Q76988820's catalog code is recorded as 2MASS J15393462+0922215^[8].
Q76988820's catalog code is recorded as SDSS J153934.63+092221.6^[9].
Q76988820's catalog code is recorded as WIRED J153934.63+092221.5^[10].
Q76988820's catalog code is recorded as WD 1537+095^[11].
Q76988820's catalog code is recorded as Gaia DR2 1164876150938992256^[12].
Q76988820's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.752'}^[13].
Q76988820's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.388'}^[14].
Q76988820's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.349'}^[15].
Q76988820's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.512'}^[16].
Q76988820's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.711'}^[17].
Q76988820's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.159'}^[18].
Q76988820's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.604'}^[19].
Q76988820's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.283'}^[20].
Q76988820's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.8584'}^[21].
Q76988820's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.8525'}^[22].
Q76988820's metallicity is recorded as {'unit': '1', 'amount': '+0.0'}^[23].
Q76988820's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+350.5697'}^[24].
Q76988820's SIMBAD ID is recorded as GALEX J153934.6+092222^[25].
Q76988820's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+234.89432048498110'}^[26].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +18.752, unit: 1, amount: +18.388, unit: 1, amount: +18.349, unit: 1, amount: +17.512, unit: 1, amount: +16.711, unit: 1, amount: +15.159, unit: 1, amount: +14.604, unit: 1, amount: +14.283, unit: 1, amount: +17.8584

Catalog code [SGR2010] J1539+0922, [SGR2010] J153934.63+092221.5, SDSS J153934.63+092221.5, 2MASS J15393462+0922215, SDSS J153934.63+092221.6, WIRED J153934.63+092221.5, WD 1537+095, Gaia DR2 1164876150938992256

Constellation Serpens

Declination unit: www.wikidata.org, amount: +9.37262046663450

Declination component of proper motion unit: www.wikidata.org, amount: +31.031

Distance from earth unit: www.wikidata.org, amount: +350.5697

Effective temperature unit: www.wikidata.org, amount: +8762

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.0

Parallax unit: www.wikidata.org, amount: +2.8525

Right ascension unit: www.wikidata.org, amount: +234.89432048498110

Right ascension component of proper motion unit: www.wikidata.org, amount: -8.898

Spectral class DA+M

Surface gravity unit: www.wikidata.org, amount: +16600000

External References (2)

Gaia id 1164876150938992256

Simbad id GALEX J153934.6+092222

References

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

Direct Wikidata claims

[2] ↑ Q76988820 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q76988820 — constellation (P59): Serpens. wikidata.org.
[4] ↑ Q76988820 — spectral class (P215): DA+M. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.
[5] ↑ Q76988820 — catalog code (P528): [SGR2010] J1539+0922. SIMBAD. wikidata.org.
[6] ↑ Q76988820 — catalog code (P528): [SGR2010] J153934.63+092221.5. SIMBAD. wikidata.org.
[7] ↑ Q76988820 — catalog code (P528): SDSS J153934.63+092221.5. SIMBAD. wikidata.org.
[8] ↑ Q76988820 — catalog code (P528): 2MASS J15393462+0922215. SIMBAD. wikidata.org.
[9] ↑ Q76988820 — catalog code (P528): SDSS J153934.63+092221.6. SIMBAD. wikidata.org.
[10] ↑ Q76988820 — catalog code (P528): WIRED J153934.63+092221.5. SIMBAD. wikidata.org.
[11] ↑ Q76988820 — catalog code (P528): WD 1537+095. SIMBAD. wikidata.org.
[12] ↑ Q76988820 — catalog code (P528): Gaia DR2 1164876150938992256. SIMBAD. wikidata.org.
[13] ↑ Q76988820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.752'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[14] ↑ Q76988820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.388'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[15] ↑ Q76988820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.349'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q76988820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.512'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q76988820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.711'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q76988820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.159'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[19] ↑ Q76988820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.604'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[20] ↑ Q76988820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.283'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[21] ↑ Q76988820 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.8584'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q76988820 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.8525'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q76988820 — metallicity (P2227): {'unit': '1', 'amount': '+0.0'}. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.
[24] ↑ Q76988820 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+350.5697'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q76988820 — SIMBAD ID (P3083): GALEX J153934.6+092222. wikidata.org.
[26] ↑ Q76988820 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+234.89432048498110'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q76988820 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). Q76988820. Retrieved May 7, 2026, from https://4ort.xyz/entity/q76988820

MLA “Q76988820.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q76988820.

BibTeX

@misc{4ortxyz_q76988820_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q76988820}}, year = {2026}, url = {https://4ort.xyz/entity/q76988820}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q76988820 — https://4ort.xyz/entity/q76988820 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q76988820 · Last refreshed: May 7, 2026