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A1703 zD6 is a strongly lensed Lyman-alpha emitter. It is located behind a foreground galaxy cluster known as , hence its name. It has a spectroscopically determined redshift of over 7, corresponding to a light travel time of 12.9 billion years. It is located in the Canes Venatici constellation. It was discovered in 2012, by a group led by L. D. Bradley, published in The Astrophysical Journal.

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  • A1703 zD6 (en)
  • A1703 zD6 (ar)
  • A1703-zD6 (it)
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  • A1703-zD6 è una galassia remota con redshift di z = 7,045 che corrisponde ad una distanza percorsa dalla luce per giungere fino alla Terra di 12,89 miliardi di anni luce. Fa parte di un gruppo di sette galassie con z>7 identificate per mezzo dell'ammasso di galassie con il metodo del lensing gravitazionale. (it)
  • A1703 zD6 هو باعث ليمان ألفا شديد يقع خلف عدسة الجاذبية. تقع خلف مجموعة مجرات في المقدمة تُعرف باسم Abell 1703 ، ومن هنا جاءت تسميتها. لها انزياح أحمر محدد طيفيًا يزيد عن 7 ، يتوافق مع زمن انتقال الضوء يبلغ 12.9 مليار سنة. يقع في كوكبة السلوقيان . تم اكتشافه في عام 2012 ، من قبل مجموعة بقيادة LD Bradley ، ونُشر في The Astrophysical Journal . (ar)
  • A1703 zD6 is a strongly lensed Lyman-alpha emitter. It is located behind a foreground galaxy cluster known as , hence its name. It has a spectroscopically determined redshift of over 7, corresponding to a light travel time of 12.9 billion years. It is located in the Canes Venatici constellation. It was discovered in 2012, by a group led by L. D. Bradley, published in The Astrophysical Journal. (en)
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  • A1703 zD6 (en)
  • [BBZ2012]A1703-zD6 (en)
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  • A1703 zD6 (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/A1703_zD6.jpg
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  • A1703 zD6 (en)
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  • [BBZ2012] A1703-zD6 (en)
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  • A1703 zD6 هو باعث ليمان ألفا شديد يقع خلف عدسة الجاذبية. تقع خلف مجموعة مجرات في المقدمة تُعرف باسم Abell 1703 ، ومن هنا جاءت تسميتها. لها انزياح أحمر محدد طيفيًا يزيد عن 7 ، يتوافق مع زمن انتقال الضوء يبلغ 12.9 مليار سنة. يقع في كوكبة السلوقيان . تم اكتشافه في عام 2012 ، من قبل مجموعة بقيادة LD Bradley ، ونُشر في The Astrophysical Journal . تم اكتشاف خط انبعاث C IV (بطول موجة 1548 Å ) من هذه المجرة ، مما يدل على الكربون المتأين ثلاثيًا. ونظرًا لأنه يتطلب كميات كبيرة من الطاقة لتأين الكربون ثلاثًا ، فقد يشير ذلك إلى أن A1703 zD6 يحتوي على نواة مجرة نشطة أو مجموعة من النجوم الصغيرة جدًا والساخنة والفقيرة بالمعادن . وجدت الدراسات اللاحقة أن مصدر التأين من المحتمل أن يكون الأخير: مجموعة من النجوم في منطقة تشكل النجوم. (ar)
  • A1703 zD6 is a strongly lensed Lyman-alpha emitter. It is located behind a foreground galaxy cluster known as , hence its name. It has a spectroscopically determined redshift of over 7, corresponding to a light travel time of 12.9 billion years. It is located in the Canes Venatici constellation. It was discovered in 2012, by a group led by L. D. Bradley, published in The Astrophysical Journal. The C IV emission line (with a wavelength of 1548 Å) was detected from this galaxy, signifying triply ionized carbon. Because it takes high amounts of energy to triply ionize carbon, it may suggest that A1703 zD6 has an active galactic nucleus (AGN), or a population of very young, hot, and metal-poor stars. Subsequent investigations found that the ionization source is likely to be the latter: a cluster of stars (abbreviated SF, for star-forming region). (en)
  • A1703-zD6 è una galassia remota con redshift di z = 7,045 che corrisponde ad una distanza percorsa dalla luce per giungere fino alla Terra di 12,89 miliardi di anni luce. Fa parte di un gruppo di sette galassie con z>7 identificate per mezzo dell'ammasso di galassie con il metodo del lensing gravitazionale. (it)
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