Q87249872

astrophysical X-ray source in the constellation Cepheus

Thing spectroscopic_binary Q87249872

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Q87249872

Summary

Q87249872 is a spectroscopic binary^[1].

Key Facts

Q87249872's instance of is recorded as spectroscopic binary^[2].
Q87249872's instance of is recorded as astrophysical X-ray source^[3].
Q87249872's constellation is recorded as Cepheus^[4].
Q87249872's catalog code is recorded as 2MASS J00394018+7905307^[5].
Q87249872's catalog code is recorded as AG+78 14^[6].
Q87249872's catalog code is recorded as BD+78 19^[7].
Q87249872's catalog code is recorded as GSC 04500-00310^[8].
Q87249872's catalog code is recorded as PPM 4448^[9].
Q87249872's catalog code is recorded as SAO 4171^[10].
Q87249872's catalog code is recorded as TYC 4500-310-1^[11].
Q87249872's catalog code is recorded as RasTyc J0039+7905^[12].
Q87249872's catalog code is recorded as Gaia DR1 564695874808233856^[13].
Q87249872's catalog code is recorded as Gaia DR2 564695879105287936^[14].
Q87249872's catalog code is recorded as 1RXS J003941.9+790526^[15].
Q87249872's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.303'}^[16].
Q87249872's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.933'}^[17].
Q87249872's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.854'}^[18].
Q87249872's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.57'}^[19].
Q87249872's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.11'}^[20].
Q87249872's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.89'}^[21].
Q87249872's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.29'}^[22].
Q87249872's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.38'}^[23].
Q87249872's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.4249'}^[24].
Q87249872's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+6.7016'}^[25].
Q87249872's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+4.26'}^[26].

Body

Definition and Type

Recorded instance of include spectroscopic binary^[2] and astrophysical X-ray source^[3].

⭐ Popularity Graph

0/100 established

Quick Facts

Instance of spectroscopic binary, astrophysical X-ray source

Properties

Apparent magnitude unit: 1, amount: +8.303, unit: 1, amount: +7.933, unit: 1, amount: +7.854, unit: 1, amount: +9.57, unit: 1, amount: +9.11, unit: 1, amount: +8.89, unit: 1, amount: +10.29, unit: 1, amount: +10.38, unit: 1, amount: +9.4249

Catalog code 2MASS J00394018+7905307, AG+78 14, BD+78 19, GSC 04500-00310, PPM 4448, SAO 4171, TYC 4500-310-1, RasTyc J0039+7905, Gaia DR1 564695874808233856, Gaia DR2 564695879105287936, 1RXS J003941.9+790526

Constellation Cepheus

Declination unit: www.wikidata.org, amount: +79.09188114578640, unit: www.wikidata.org, amount: +79.090694

Declination component of proper motion unit: www.wikidata.org, amount: -3.861

Distance from earth unit: www.wikidata.org, amount: +149.2181

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.11

Parallax unit: www.wikidata.org, amount: +6.7016

Radial velocity unit: www.wikidata.org, amount: +4.26, unit: www.wikidata.org, amount: -20.37, unit: www.wikidata.org, amount: -30.30, unit: www.wikidata.org, amount: +7.96, unit: www.wikidata.org, amount: +4.47, unit: www.wikidata.org, amount: -23.00, unit: www.wikidata.org, amount: -9.59, unit: www.wikidata.org, amount: -9.68, unit: www.wikidata.org, amount: -8.66

Right ascension unit: www.wikidata.org, amount: +9.91758125408410, unit: www.wikidata.org, amount: +9.924583

Right ascension component of proper motion unit: www.wikidata.org, amount: +23.419

Stellar rotational velocity unit: www.wikidata.org, amount: +20.2, unit: www.wikidata.org, amount: +12.0, unit: www.wikidata.org, amount: +6.8, unit: www.wikidata.org, amount: +15.1, unit: www.wikidata.org, amount: +7.3

External References (2)

Gaia id 564695879105287936

Simbad id BD+78 19

References

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

Direct Wikidata claims

[2] ↑ Q87249872 — instance of (P31): spectroscopic binary. SIMBAD. wikidata.org.
[3] ↑ Q87249872 — instance of (P31): astrophysical X-ray source. SIMBAD. wikidata.org.
[4] ↑ Q87249872 — constellation (P59): Cepheus. wikidata.org.
[5] ↑ Q87249872 — catalog code (P528): 2MASS J00394018+7905307. SIMBAD. wikidata.org.
[6] ↑ Q87249872 — catalog code (P528): AG+78 14. SIMBAD. wikidata.org.
[7] ↑ Q87249872 — catalog code (P528): BD+78 19. SIMBAD. wikidata.org.
[8] ↑ Q87249872 — catalog code (P528): GSC 04500-00310. SIMBAD. wikidata.org.
[9] ↑ Q87249872 — catalog code (P528): PPM 4448. SIMBAD. wikidata.org.
[10] ↑ Q87249872 — catalog code (P528): SAO 4171. SIMBAD. wikidata.org.
[11] ↑ Q87249872 — catalog code (P528): TYC 4500-310-1. SIMBAD. wikidata.org.
[12] ↑ Q87249872 — catalog code (P528): RasTyc J0039+7905. SIMBAD. wikidata.org.
[13] ↑ Q87249872 — catalog code (P528): Gaia DR1 564695874808233856. SIMBAD. wikidata.org.
[14] ↑ Q87249872 — catalog code (P528): Gaia DR2 564695879105287936. SIMBAD. wikidata.org.
[15] ↑ Q87249872 — catalog code (P528): 1RXS J003941.9+790526. SIMBAD. wikidata.org.
[16] ↑ Q87249872 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.303'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q87249872 — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.933'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q87249872 — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.854'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q87249872 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.57'}. Discovery of ``isolated'' co-moving T Tauri stars in Cepheus. wikidata.org.
[20] ↑ Q87249872 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.11'}. Discovery of ``isolated'' co-moving T Tauri stars in Cepheus. wikidata.org.
[21] ↑ Q87249872 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.89'}. Discovery of ``isolated'' co-moving T Tauri stars in Cepheus. wikidata.org.
[22] ↑ Q87249872 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.29'}. Discovery of ``isolated'' co-moving T Tauri stars in Cepheus. wikidata.org.
[23] ↑ Q87249872 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.38'}. Discovery of ``isolated'' co-moving T Tauri stars in Cepheus. wikidata.org.
[24] ↑ Q87249872 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.4249'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q87249872 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+6.7016'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q87249872 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+4.26'}. A spectroscopic survey of the youngest field stars in the solar neighborhood . II. The optically faint sample. wikidata.org.

Class ancestry

[1] ↑ Q87249872 is an instance of spectroscopic binary (Q1993624) [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). Q87249872. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87249872

MLA “Q87249872.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87249872.

BibTeX

@misc{4ortxyz_q87249872_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87249872}}, year = {2026}, url = {https://4ort.xyz/entity/q87249872}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87249872 — https://4ort.xyz/entity/q87249872 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87249872 · Last refreshed: May 7, 2026