Epsilon Gridlar sahifasining manbasini koʻrish

 <indicator name="0-coord">[[fayl:Jupiter and moon.png|20px|link=Vtoraya ekvatorialnaya sistema koordinat|Ekvatorialnie koordinati]]&nbsp;<span class="coordinates plainlinks nourlexpansion">[http://www.wikisky.org?zoom=9&locale=ru&ra=04+16+29,0287&de=-59+18+07,763&show_box=1 04<sup>ch</sup>&nbsp;16<sup>m</sup>&nbsp;29,03<sup>s</sup> −59°&nbsp;18&prime;&nbsp;7,76&Prime;]</span></indicator>
'''e Gridlar''' ({{lang-la|Epsilon Reticuli}}) — bizdan taxminan 59 [[Yorugʻlik yili|yorugʻlik yili]] uzoqlikda joylashgan Retikulum yulduz turkumida joylashgan [[Qoʻshaloq yulduzlar|qoʻsh yulduz]].

== Xususiyatlari ==
Tizim bir-biridan 240 [[Astronomik birlik|AU masofada joylashgan ikkita yulduzdan iborat.]]

=== e Toʻrlar B ===
[[2006|2006-yilda]] tizimda optik teleskopda ajratib boʻlmaydigan ulkan obyekt mavjudligi tasdiqlandi<ref>{{veb manbasi
 |author        = Randich, S.; Gratton, R.; Pallavicini, R.; Pasquini, L.; Carretta, E.
 |authorlink    = 
 |datepublished = 1999-01-08
 |url           = http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1999A%26A...348..487R&db_key=AST&high=3cab10bb0316978
 |title         = Lithium in population I subgiants.
 |format        = 
 |work          = 
 |publisher     = Astronomy and Astrophysics, v.348, p.487-500 (1999)
 |accessdate    = 2009-03-16
 |lang          = en
 |description   = 
 |archiveurl    = https://www.webcitation.org/66UDd7Yj9?url=http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1999A&A...348..487R
 |archivedate   = 2012-03-27
 |deadlink      = no
}}</ref>. Bu sirt harorati 9000 dan 17000 daraja [[Kelvin (oʻlchov birligi)|Kelvingacha]] boʻlgan [[Oq mitti yulduzlar|oq mitti]] boʻlib chiqdi.

=== e Gridlar A ===
Asosiy komponent K2 IV spektral turiga ega boʻlgan toʻq sariq subgigantlar sinfiga kiradi. massasi 1,2 [[quyosh]] massasi<ref>{{veb manbasi
 |author        = Johnson, H. M. & Wright, C. D.
 |authorlink    = 
 |datepublished = 1983-11
 |url           = http://adsbit.harvard.edu/cgi-bin/nph-iarticle_query?bibcode=1983ApJS...53..643J
 |title         = Predicted infrared brightness of stars within 25 parsecs of the sun.
 |format        = 
 |work          = 
 |publisher     = Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 53, Nov. 1983, p. 643-711.
 |accessdate    = 2009-03-16
 |lang          = en
 |description   = 
 |archiveurl    = https://web.archive.org/web/20160310200752/http://adsbit.harvard.edu/cgi-bin/nph-iarticle_query?bibcode=1983ApJS...53..643J
 |archivedate   = 2016-03-10
 |deadlink      = yes
}}</ref> va diametri 6,6 quyosh massasi<ref>{{veb manbasi
 |author        = G. Chauvin1, A.-M. Lagrange, S. Udry, and M. Mayor
 |authorlink    = 
 |datepublished = 2007-03-02
 |url           = http://www.aanda.org/index.php?option=article&access=standard&Itemid=129&url=/articles/aa/abs/2007/44/aa7046-06/aa7046-06.html
 |deadlink      = yes
 |title         = Characterization of the long-period companions of the exoplanet host stars: HD 196885, HD 1237 and HD 27442.
 |format        = 
 |work          = 
 |publisher     = A&A 475, 723-727 (2007)
 |accessdate    = 2009-03-16
 |lang          = en
 |description   = 
 |archiveurl    = https://www.webcitation.org/66UDdieaK?url=http://www.aanda.org/index.php?option=com_article
 |archivedate   = 2012-03-27
}}</ref>. [[Yulduz yorqinligi|Yorqinligi]] taxminan 4,6 quyosh. Yulduzning yoshi taxminan 10 milliard yil deb baholanadi.

== Sayyora tizimi ==
[[2000]]-yilda astronomlar jamoasi ''e Grid''<ref>{{veb manbasi
 |author        = Butler, R. Paul; Tinney, C. G.; [[Марси, Джеффри|Marcy, Geoffrey W.]]; Jones, Hugh R. A.; Penny, Alan J.; Apps, Kevin
 |authorlink    = 
 |datepublished = 2001-01-07
 |url           = http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2001ApJ...555..410B&db_key=AST&high=3cab10bb0320422
 |title         = Two New Planets from the Anglo-Australian Planet Search.
 |format        = 
 |work          = 
 |publisher     = The Astrophysical Journal, Volume 555, Issue 1, pp. 410-417.
 |accessdate    = 2009-03-15
 |lang          = en
 |description   = 
 |archiveurl    = https://www.webcitation.org/66UDeXPzW?url=http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2001ApJ...555..410B
 |archivedate   = 2012-03-27
 |deadlink      = no
}}</ref> tizimida sayyora topilganligini eʼlon qildi. Uning minimal massasi taxminan 1,43 [[Yupiter]] massasini tashkil qiladi. e Grid b ota-yulduz atrofida taxminan 1,18 AU masofada aylanadi. Quyoshdan [[Yer]] va [[Mars]] oʻrtasidagi orbitagacha boʻlgan masofaga teng. Sayyora 415 kun yoki 1,13 yil ichida toʻliq aylanish qiladi.
{| class="toccolours sortable" align="center" border="1" cellpadding="2" cellspacing="0" style="text-align: center; border-collapse:collapse;" width="45%"
![[Sayyora]]<br /><br /><br /><br /><nowiki></br></nowiki>
! [[Massa|Ogʻirligi]]<br /><br /><br /><br /><nowiki></br></nowiki> <small>([[Yupiter|''M'' <sub>J</sub>]])</small>
! [[Radius]]<br /><br /><br /><br /><nowiki></br></nowiki> <small>([[Yupiter|''RJ'' <sub>)</sub>]]</small>
! Aylanma davri<br /><br /><br /><br /><nowiki></br></nowiki> <small>([[Sutka|kunlar]])</small>
! [[Mehvar|Asosiy oʻq<br /><br /><br /><br />]]<nowiki></br></nowiki> [[Mehvar|orbitalar]] <small>([[Astronomik birlik|a.]]</small> <small>[[Astronomik birlik|e.]]</small> <small>)</small>
! [[Ekssentrisitet|Eksantriklik<br /><br /><br /><br />]]<nowiki></br></nowiki> [[Ekssentrisitet|orbitalar]]
|-
| b
| 1.43
| ?
| 415
| 1.18
| 0,058
|}

== Yulduzga yaqin muhit ==
Quyidagi yulduz tizimlari ''e Grid tizimidan'' 20<ref name=aaa475_2_723>{{citation | title=Characterization of the long-period companions of the exoplanet host stars: HD 196885, HD 1237 and HD 27442 | author=Chauvin ''et al.'' | journal=[[Astronomy and Astrophysics]] | year=2007 | volume=475 | issue=2 | pages=723–727 | doi=10.1051/0004-6361:20067046 | format=abstract | last2=Lagrange | first2=A.-M. | last3=Udry | first3=S. | last4=Mayor | first4=M. | bibcode=2007A&A...475..723C | arxiv=0710.5918 | postscript=. }}</ref> [[Yorugʻlik yili|yorugʻlik yili]] masofasida joylashgan:
{| class="standard" style="text-align: center;"
| style="background-color: #FFCC00;" |[[Yulduz]]
| style="background-color: #FFCC00;" | Spektral sinf
| style="background-color: #FFCC00;" | [[Yorugʻlik yili|Masofa, St.]] [[Yorugʻlik yili|yillar]]
|-
| CP-63 231
| K5V
| 9.3
|-
| L 178-49
| MV
| 9.7
|-
| CP-60 424
| G5 Ve
| oʻn bir
|-
| g Dorado
| F4III
| oʻn bir
|-
| k Gridlar
| F5 V-VI/MV
| 13
|-
| CP-65 475
| K1 V-IIIp
| oʻn toʻrt
|-
| b Rassom
| A3 V
| 17
|-
| CD-56 1071
| G5V/MV
| oʻn besh
|-
| i Soat
| G0Vp
| 16
|-
| H.R. 1294
| G3 V
| 17
|}

== Yana qarang ==

* [[Retikuli yulduz turkumidagi yulduzlar roʻyxati]]

== Manbalar ==
{{Manbalar}}

== Havolalar ==

* [http://simbad.u-strasbg.fr/simbad/sim-id?Ident=Epsilon+Reticuli&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id SIMBAD astronomik maʼlumotlar bazasi]{{En icon}} <small class="ref-info" style="cursor:help;" title="на английском языке">)</small>
* [http://www.solstation.com/stars2/eps-ret.htm Solstantsiya] {{Webarxiv|url=https://web.archive.org/web/20130516141739/http://www.solstation.com/stars2/eps-ret.htm |date=2013-05-16 }}{{En icon}} <small class="ref-info" style="cursor:help;" title="на английском языке">)</small>
* [http://allplanets.ru/star.php?star=HD%2027442 sayyora tizimlari]
[[Turkum:Qoʻshaloq yulduzlar]]
[[Turkum:Sayyora tizimlari]]
[[Turkum:ikki yulduz]]
[[Turkum:to'q sariq subgigantlar]]
[[Turkum: oq mitti]]
[[Turkum:Bayer Xususiyatlari]]