Q87771231

Thing t_tauri_type_star Q87771231

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Q87771231

Summary

Q87771231 is a T Tauri-type star^[1].

Key Facts

Q87771231's instance of is recorded as T Tauri-type star^[2].
Q87771231's constellation is recorded as Lupus^[3].
Q87771231's spectral class is recorded as K2e^[4].
Q87771231's catalog code is recorded as UCAC2 18204891^[5].
Q87771231's catalog code is recorded as GSC 07334-00429^[6].
Q87771231's catalog code is recorded as TYC 7334-429-1^[7].
Q87771231's catalog code is recorded as [KWS97] TTS 99^[8].
Q87771231's catalog code is recorded as 2MASS J16043056-3207287^[9].
Q87771231's catalog code is recorded as CD-31 12522^[10].
Q87771231's catalog code is recorded as 1RXS J160431.3-320726^[11].
Q87771231's catalog code is recorded as RX J1604.5-3207^[12].
Q87771231's catalog code is recorded as SSTc2d J160430.6-320729^[13].
Q87771231's catalog code is recorded as Gaia DR1 6036418342297259392^[14].
Q87771231's catalog code is recorded as Gaia DR2 6036418346602207616^[15].
Q87771231's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.19'}^[16].
Q87771231's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.36'}^[17].
Q87771231's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.84'}^[18].
Q87771231's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.76'}^[19].
Q87771231's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.61'}^[20].
Q87771231's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.168'}^[21].
Q87771231's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.690'}^[22].
Q87771231's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.565'}^[23].
Q87771231's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.4939'}^[24].
Q87771231's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+7.6552'}^[25].
Q87771231's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-0.92'}^[26].

Body

Definition and Type

Q87771231's instance of is recorded as T Tauri-type star^[2].

⭐ Popularity Graph

0/100 established

Quick Facts

Instance of T Tauri-type star

Properties

Apparent magnitude unit: 1, amount: +12.19, unit: 1, amount: +10.36, unit: 1, amount: +9.84, unit: 1, amount: +10.76, unit: 1, amount: +11.61, unit: 1, amount: +9.168, unit: 1, amount: +8.690, unit: 1, amount: +8.565, unit: 1, amount: +10.4939

Catalog code UCAC2 18204891, GSC 07334-00429, TYC 7334-429-1, [KWS97] TTS 99, 2MASS J16043056-3207287, CD-31 12522, 1RXS J160431.3-320726, RX J1604.5-3207, SSTc2d J160430.6-320729, Gaia DR1 6036418342297259392, Gaia DR2 6036418346602207616

Constellation Lupus

Declination unit: www.wikidata.org, amount: -32.12463060246100

Declination component of proper motion unit: www.wikidata.org, amount: -31.908

Distance from earth unit: www.wikidata.org, amount: +130.6302

Effective temperature unit: www.wikidata.org, amount: +5369

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: -0.13

Parallax unit: www.wikidata.org, amount: +7.6552

Radial velocity unit: www.wikidata.org, amount: -0.92

Right ascension unit: www.wikidata.org, amount: +241.12732571360710

Right ascension component of proper motion unit: www.wikidata.org, amount: -17.323

Spectral class K2e

Stellar rotational velocity unit: www.wikidata.org, amount: +28.0

Surface gravity unit: www.wikidata.org, amount: +87000

External References (2)

Gaia id 6036418346602207616

Simbad id CD-31 12522

References

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

Direct Wikidata claims

[2] ↑ Q87771231 — instance of (P31): T Tauri-type star. SIMBAD. wikidata.org.
[3] ↑ Q87771231 — constellation (P59): Lupus. wikidata.org.
[4] ↑ Q87771231 — spectral class (P215): K2e. Search for associations containing young stars (SACY). I. Sample and searching method. wikidata.org.
[5] ↑ Q87771231 — catalog code (P528): UCAC2 18204891. SIMBAD. wikidata.org.
[6] ↑ Q87771231 — catalog code (P528): GSC 07334-00429. SIMBAD. wikidata.org.
[7] ↑ Q87771231 — catalog code (P528): TYC 7334-429-1. SIMBAD. wikidata.org.
[8] ↑ Q87771231 — catalog code (P528): [KWS97] TTS 99. SIMBAD. wikidata.org.
[9] ↑ Q87771231 — catalog code (P528): 2MASS J16043056-3207287. SIMBAD. wikidata.org.
[10] ↑ Q87771231 — catalog code (P528): CD-31 12522. SIMBAD. wikidata.org.
[11] ↑ Q87771231 — catalog code (P528): 1RXS J160431.3-320726. SIMBAD. wikidata.org.
[12] ↑ Q87771231 — catalog code (P528): RX J1604.5-3207. SIMBAD. wikidata.org.
[13] ↑ Q87771231 — catalog code (P528): SSTc2d J160430.6-320729. SIMBAD. wikidata.org.
[14] ↑ Q87771231 — catalog code (P528): Gaia DR1 6036418342297259392. SIMBAD. wikidata.org.
[15] ↑ Q87771231 — catalog code (P528): Gaia DR2 6036418346602207616. SIMBAD. wikidata.org.
[16] ↑ Q87771231 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.19'}. The Lupus association of pre-main-sequence stars: clues to star formation scattered in space and time. wikidata.org.
[17] ↑ Q87771231 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.36'}. The Lupus association of pre-main-sequence stars: clues to star formation scattered in space and time. wikidata.org.
[18] ↑ Q87771231 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.84'}. The Lupus association of pre-main-sequence stars: clues to star formation scattered in space and time. wikidata.org.
[19] ↑ Q87771231 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.76'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[20] ↑ Q87771231 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.61'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[21] ↑ Q87771231 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.168'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[22] ↑ Q87771231 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.690'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[23] ↑ Q87771231 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.565'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[24] ↑ Q87771231 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.4939'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q87771231 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+7.6552'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q87771231 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-0.92'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q87771231 is an instance of T Tauri-type star (Q6232) [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). Q87771231. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87771231

MLA “Q87771231.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87771231.

BibTeX

@misc{4ortxyz_q87771231_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87771231}}, year = {2026}, url = {https://4ort.xyz/entity/q87771231}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87771231 — https://4ort.xyz/entity/q87771231 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87771231 · Last refreshed: May 7, 2026