HD 125612 c

HD 125612 c
كوكب خارج المجموعة الشمسية قائمة الكواكب الخارجية
النجم الأم
النجم إتش دي 125612
الكوكبة العذراء
المطلع المستقيم 14سا 20د 53.517ث[1]
الميل –17° 28′ 53.49″[1]
القدر الظاهري (mV) 8.31
البعد 180 ± 10[1] سنة ضوئية
(54 ± 3[1] فرسخ فلكي)
التصنيف G3V[2]
الكتلة (m) 1.091 ± 0.027[2] كتلة شمسية
نصف القطر (r) 1.05 ± 0.08 نصف قطر شمسي
الحرارة (T) 5900 ± 18[2] كلفن
المعدنية [Fe/H] 0.23 ± 0.014[2]
العمر <3[2] غيغا سنة
العناصر المدارية
نصف المحور الرئيسي (a) 0.052[2] و.ف
نصف المحور الرئيسي 0.051 وحدة فلكية[3]  تعديل قيمة خاصية (P2233) في ويكي بيانات
الشذوذ المداري (e) 0.27 ± 0.12[2]
الفترة المدارية (P) 4.1547 ± 0.0005[2] ي
زاوية الحضيض (ω) 103 ± 23[2]°
وقت الحضيض (T0) 2,454,420.17 ± 0.23[2] ي.ي
نصف المطال (K) 7.2 ± 1.2[2] م/ث
الخاصية الفيزيائية
كتلة (m) 0.058 كتلة المشتري  تعديل قيمة خاصية (P2067) في ويكي بيانات
الأدنى كتلة (m sin i) 0.058[2] MJ
معلومات الاكتشاف
تاريخ الاكتشاف 19 أكتوبر 2009
المكتشفون سيغراسان وآخرون
أسلوب الكشف طريقة السرعة الشعاعية (الباحث الكوكبي بالسرعة الشعاعية عالية الدقة)
محل الكشف مرصد لاسيلا
حالة الاكتشاف تم الإعلان عنه[2]
مراجع
كوكب خارجي بيانات
سيمباد HD+125612+c
ارشيف ناسا للكواكب الخارجية بيانات
فهرس الكواكب الخارجية المفتوح بيانات
تعديل مصدري - تعديل  طالع توثيق القالب

إتش دي 125612 ج هو كوكب خارج المجموعة الشمسية يدور حول نجم نسق أساسي من التصنيف G يسمى إتش دي 125612، ويبعد حوالي 180 سنة ضوئية في كوكبة العذراء.[2] اكتشف الكوكب يوم 19 أكتوبر 2009 مع 29 كوكب آخر من بينهم إتش دي 125612 د.

مراجع

  1. ^ ا ب ج د van Leeuwen، F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. ج. 474 ع. 2: 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. DOI:10.1051/0004-6361:20078357. مؤرشف من الأصل في 2023-08-11. Vizier catalog entry نسخة محفوظة 2 أبريل 2019 على موقع واي باك مشين.
  2. ^ ا ب ج د ه و ز ح ط ي يا يب يج يد Lo Curto، G.؛ وآخرون (2010). "The HARPS search for southern extra-solar planets. XXII. Multiple planet systems from the HARPS volume limited sample". Astronomy and Astrophysics. ج. 512. A48. Bibcode:2010A&A...512A..48L. DOI:10.1051/0004-6361/200913523. مؤرشف من الأصل في 2019-11-12.
  3. ^ Hugh R. A. Jones; Jennifer Burt (Sep 2022). "3-D selection of 167 sub-stellar companions to nearby stars". The Astrophysical Journal Supplement Series (بالإنجليزية). 262 (1). arXiv:2208.12720. Bibcode:2022ApJS..262...21F. DOI:10.3847/1538-4365/AC7E57. ISSN:0067-0049. QID:Q114142965.{{استشهاد بدورية محكمة}}: صيانة الاستشهاد: دوي مجاني غير معلم (link)


أيقونة بذرة

هذه بذرة مقالة عن علم الكواكب غير الشمسية أو متعلقة بالكواكب غير الشمسية بحاجة للتوسيع. فضلًا شارك في تحريرها.

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