Q76991088

white dwarf in the constellation Coma Berenices

Thing white_dwarf Q76991088

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Q76991088

Summary

Q76991088 is a white dwarf^[1].

Key Facts

Q76991088's instance of is recorded as white dwarf^[2].
Q76991088's constellation is recorded as Coma Berenices^[3].
Q76991088's spectral class is recorded as M2V^[4].
Q76991088's catalog code is recorded as [SGR2010] J1240+2350^[5].
Q76991088's catalog code is recorded as [SGR2010] J124015.91+235041.0^[6].
Q76991088's catalog code is recorded as SDSS J124015.91+235041.0^[7].
Q76991088's catalog code is recorded as 2MASS J12401590+2350411^[8].
Q76991088's catalog code is recorded as WD 1237+241^[9].
Q76991088's catalog code is recorded as Gaia DR2 3959268601991368704^[10].
Q76991088's redshift is recorded as {'unit': '1', 'amount': '-0.00021'}^[11].
Q76991088's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.073'}^[12].
Q76991088's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.319'}^[13].
Q76991088's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.036'}^[14].
Q76991088's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.060'}^[15].
Q76991088's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.505'}^[16].
Q76991088's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.186'}^[17].
Q76991088's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.505'}^[18].
Q76991088's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.315'}^[19].
Q76991088's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.7078'}^[20].
Q76991088's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.7668'}^[21].
Q76991088's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-45'}^[22].
Q76991088's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+361.4284'}^[23].
Q76991088's SIMBAD ID is recorded as SDSS J124015.91+235041.0^[24].
Q76991088's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+190.06630366170350'}^[25].
Q76991088's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+23.84471049871690'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +20.073, unit: 1, amount: +18.319, unit: 1, amount: +17.036, unit: 1, amount: +16.060, unit: 1, amount: +15.505, unit: 1, amount: +14.186, unit: 1, amount: +13.505, unit: 1, amount: +13.315, unit: 1, amount: +16.7078

Catalog code [SGR2010] J1240+2350, [SGR2010] J124015.91+235041.0, SDSS J124015.91+235041.0, 2MASS J12401590+2350411, WD 1237+241, Gaia DR2 3959268601991368704

Constellation Coma Berenices

Declination unit: www.wikidata.org, amount: +23.84471049871690

Declination component of proper motion unit: www.wikidata.org, amount: +4.436

Distance from earth unit: www.wikidata.org, amount: +361.4284

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.7668

Radial velocity unit: www.wikidata.org, amount: -45

Redshift unit: 1, amount: -0.00021

Right ascension unit: www.wikidata.org, amount: +190.06630366170350

Right ascension component of proper motion unit: www.wikidata.org, amount: -9.851

Spectral class M2V

External References (2)

Gaia id 3959268601991368704

Simbad id SDSS J124015.91+235041.0

References

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

Direct Wikidata claims

[2] ↑ Q76991088 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q76991088 — constellation (P59): Coma Berenices. wikidata.org.
[4] ↑ Q76991088 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q76991088 — catalog code (P528): [SGR2010] J1240+2350. SIMBAD. wikidata.org.
[6] ↑ Q76991088 — catalog code (P528): [SGR2010] J124015.91+235041.0. SIMBAD. wikidata.org.
[7] ↑ Q76991088 — catalog code (P528): SDSS J124015.91+235041.0. SIMBAD. wikidata.org.
[8] ↑ Q76991088 — catalog code (P528): 2MASS J12401590+2350411. SIMBAD. wikidata.org.
[9] ↑ Q76991088 — catalog code (P528): WD 1237+241. SIMBAD. wikidata.org.
[10] ↑ Q76991088 — catalog code (P528): Gaia DR2 3959268601991368704. SIMBAD. wikidata.org.
[11] ↑ Q76991088 — redshift (P1090): {'unit': '1', 'amount': '-0.00021'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[12] ↑ Q76991088 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.073'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[13] ↑ Q76991088 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.319'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[14] ↑ Q76991088 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.036'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[15] ↑ Q76991088 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.060'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q76991088 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.505'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q76991088 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.186'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q76991088 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.505'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q76991088 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.315'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[20] ↑ Q76991088 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.7078'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q76991088 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.7668'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q76991088 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-45'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[23] ↑ Q76991088 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+361.4284'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q76991088 — SIMBAD ID (P3083): SDSS J124015.91+235041.0. wikidata.org.
[25] ↑ Q76991088 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+190.06630366170350'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q76991088 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+23.84471049871690'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q76991088 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). Q76991088. Retrieved May 7, 2026, from https://4ort.xyz/entity/q76991088

MLA “Q76991088.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q76991088.

BibTeX

@misc{4ortxyz_q76991088_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q76991088}}, year = {2026}, url = {https://4ort.xyz/entity/q76991088}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q76991088 — https://4ort.xyz/entity/q76991088 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q76991088 · Last refreshed: May 7, 2026