バイナリーパルサーPSR 1913 + 16:その起源のモデル

H M Van Horn, S Sofia, M P Savedoff

Science (New York, N.Y.)

|May 30, 1975

まとめ

この研究は,バイナリパルサーPSR 1913 + 16をモデル化し,中性子星パルサーとヘリウム矮星の仲間を示唆しています. 観測データは,質量や軌道傾きを含むシステムパラメータを制約する.

科学分野:

* 天文学と天体物理学
* コンパクトオブジェクト
* バイナリーシステム

背景:

*PSR 1913 + 16は,既存の観測データを持つバイナリパルサー系です.
* システムの構成要素をモデル化するために,進化的考察が用いられる.

研究の目的:

* バイナリーパルサー系PSR 1913 + 16の明確に定義されたモデルを開発する.
* パルサーとその伴星の性質と性質を決定する.

主な方法:

*PSR1913 + 16に関する既存の観測データの分析.
* システムパラメータを制限するために進化モデルを適用する.
* パルサーの性質を推定するために使用される磁気二極モデル.

主要な成果:

* パルサーは,質量上限 (1.2太陽質量) 近くにある中性子星として特定されました.
* 伴星は,おそらく上限に近い質量 (0.25-1.0太陽質量) の退廃したヘリウム矮星である.
*パルサーの推定年齢 ~4x10^4年,周期変化速度は ~2ns/日,磁場は ~Crabパルサーの1/3である.

結論:

* 派生モデルは,PSR 1913 + 16 に対して一貫した説明を提供します.
*将来,パルサーの周期変化の正確な測定と超新星残骸の探査により,このモデルがテストされます.

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