Q84028987

white dwarf in the constellation Serpens

Thing white_dwarf Q84028987

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Q84028987

Summary

Q84028987 is a white dwarf^[1].

Key Facts

Q84028987's instance of is recorded as white dwarf^[2].
Q84028987's constellation is recorded as Serpens^[3].
Q84028987's spectral class is recorded as M5V^[4].
Q84028987's catalog code is recorded as [RGS2010] J155137.64+070322.3^[5].
Q84028987's catalog code is recorded as SDSS J155137.64+070322.3^[6].
Q84028987's catalog code is recorded as 2MASS J15513764+0703223^[7].
Q84028987's catalog code is recorded as WD 1549+072^[8].
Q84028987's catalog code is recorded as Gaia DR2 4430070410037579648^[9].
Q84028987's redshift is recorded as {'unit': '1', 'amount': '-0.00006'}^[10].
Q84028987's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.269'}^[11].
Q84028987's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.455'}^[12].
Q84028987's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.236'}^[13].
Q84028987's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.764'}^[14].
Q84028987's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.871'}^[15].
Q84028987's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.351'}^[16].
Q84028987's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.816'}^[17].
Q84028987's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.522'}^[18].
Q84028987's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.5293'}^[19].
Q84028987's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.4570'}^[20].
Q84028987's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-10'}^[21].
Q84028987's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+289.2682'}^[22].
Q84028987's SIMBAD ID is recorded as SDSS J155137.64+070322.3^[23].
Q84028987's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+237.90684800767560'}^[24].
Q84028987's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.05620531089090'}^[25].
Q84028987's epoch is recorded as J2000.0^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +21.269, unit: 1, amount: +19.455, unit: 1, amount: +18.236, unit: 1, amount: +16.764, unit: 1, amount: +15.871, unit: 1, amount: +14.351, unit: 1, amount: +13.816, unit: 1, amount: +13.522, unit: 1, amount: +17.5293

Catalog code [RGS2010] J155137.64+070322.3, SDSS J155137.64+070322.3, 2MASS J15513764+0703223, WD 1549+072, Gaia DR2 4430070410037579648

Constellation Serpens

Declination unit: www.wikidata.org, amount: +7.05620531089090

Declination component of proper motion unit: www.wikidata.org, amount: +15.276

Distance from earth unit: www.wikidata.org, amount: +289.2682

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +3.4570

Radial velocity unit: www.wikidata.org, amount: -10

Redshift unit: 1, amount: -0.00006

Right ascension unit: www.wikidata.org, amount: +237.90684800767560

Right ascension component of proper motion unit: www.wikidata.org, amount: -11.340

Spectral class M5V

External References (2)

Gaia id 4430070410037579648

Simbad id SDSS J155137.64+070322.3

References

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

Direct Wikidata claims

[2] ↑ Q84028987 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q84028987 — constellation (P59): Serpens. wikidata.org.
[4] ↑ Q84028987 — spectral class (P215): M5V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q84028987 — catalog code (P528): [RGS2010] J155137.64+070322.3. SIMBAD. wikidata.org.
[6] ↑ Q84028987 — catalog code (P528): SDSS J155137.64+070322.3. SIMBAD. wikidata.org.
[7] ↑ Q84028987 — catalog code (P528): 2MASS J15513764+0703223. SIMBAD. wikidata.org.
[8] ↑ Q84028987 — catalog code (P528): WD 1549+072. SIMBAD. wikidata.org.
[9] ↑ Q84028987 — catalog code (P528): Gaia DR2 4430070410037579648. SIMBAD. wikidata.org.
[10] ↑ Q84028987 — redshift (P1090): {'unit': '1', 'amount': '-0.00006'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q84028987 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.269'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[12] ↑ Q84028987 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.455'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[13] ↑ Q84028987 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.236'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[14] ↑ Q84028987 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.764'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[15] ↑ Q84028987 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.871'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q84028987 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.351'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[17] ↑ Q84028987 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.816'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[18] ↑ Q84028987 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.522'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[19] ↑ Q84028987 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.5293'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q84028987 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.4570'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q84028987 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-10'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q84028987 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+289.2682'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q84028987 — SIMBAD ID (P3083): SDSS J155137.64+070322.3. wikidata.org.
[24] ↑ Q84028987 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+237.90684800767560'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q84028987 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.05620531089090'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q84028987 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q84028987 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). Q84028987. Retrieved May 7, 2026, from https://4ort.xyz/entity/q84028987

MLA “Q84028987.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q84028987.

BibTeX

@misc{4ortxyz_q84028987_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q84028987}}, year = {2026}, url = {https://4ort.xyz/entity/q84028987}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q84028987 — https://4ort.xyz/entity/q84028987 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q84028987 · Last refreshed: May 7, 2026