ملف:1998 OR2 Radar.gif

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1998_OR2_Radar.gif ‏(400 × 400 بكسل حجم الملف: 1٫08 ميجابايت، نوع MIME: image/gif، ‏ملفوف، ‏10 إطارات، ‏1٫5ث)

هذا ملف من ويكيميديا كومنز. معلومات من صفحة وصفه مبينة في الأسفل. كومنز مستودع ملفات ميديا ذو رخصة حرة.

ملخص

الوصف1998 OR2 Radar.gif	English: Animation of delay-Doppler images from Apr 18 UT.
التاريخ	١٨ أبريل ٢٠٢٠
المصدر	http://www.naic.edu/~pradar/press/1998OR2.php
المؤلف	Arecibo Observatory/NASA/NSF

ترخيص

	يقع هذا العمل في النِّطاق العامّ في الولايات المُتحدة الأمريكيَّة لأَنَّه عملٌ خالِصٌ من إِنتاج وكالة الفضاء الأمريكيَّة. تنصُ حقوق التَّأليف والنَّشر الخاصَّة بوكالة الفضاء الأمريكيَّة على أنَّ "أعمال الوكالة غير مَحميَّة بحقوق التَّأليف والنَّشر ما لم يُذكر خلافُ ذلك". لمزيدٍ من المعلومات انظر القالِب {{PD-USGov}} وصفحة حقوق التَّأليف والنَّشر الخاصَّة بالوكالة وصفحة سياسة الصُّور الخاصَّة بمُختبر الدَّفع النَّفَّاث.
	تنبيهات: إنَّ استعمال شعار الوكالة، وشاراتها ولافتاتها مُقيَّدٌ بالقانون الأَمريكيّ 14 CFR 1221. يستضيف موقع الوكالة عدداً كبيراً من الصُّور من إِنتاج برنامج الفضاء السُّوفيتي أو وكالة الفضاء الاتحاديَّة الرُّوسيَّة ووكالات فضاء أخرى غير أمريكيَّة، ولا يجب الافتراض أن هذه الصُّور تقع في النِّطاق العامّ. إنَّ المواد المُنتَجة اعتماداً على بيانات مَرصد هابِل الفضائيّ قد تكون مَحميَّةً بحقوق التَّأليف والنَّشر ما تكن مُنتَجةً صراحةً بواسطة معهد مراصِد علوم الفضاء. انظر صفحة حقوق التَّأليف والنَّشر الخاصَّة بالمرصد وأيضاً القالبين {{PD-Hubble}} و{{Cc-Hubble}}. إنَّ جميع المواد المُنشأة بواسطة مُستشعِرات مِسبار الشمس وغلافها محميَّة بحقوق التَّأليف والنَّشر، ويلزم الحصول على تصريح قبل استعمالها في الأنشطة غير الرِّبحيَّة. انظر صفحة حقوق التَّأليف والنَّشر الخاصَّة بالمِسبار. الصُّور المَنشُورة على موقع صُورة اليوم الفلكيَّة قد تكون مَحميَّةً بحقوق التَّأليف والنَّشر. تشير photo gallery صفحة الأَسئِلة المُتكرِرة لمَجمُوعة الصُّور إلى أنَّ الصُّور المَوجُودة في المَجمُوعة تقع في النِّطاق العامّ ما لم يُذكر خلاف ذلك.

تاريخ الملف

اضغط على زمن/تاريخ لرؤية الملف كما بدا في هذا الزمن.

	زمن/تاريخ	صورة مصغرة	الأبعاد	مستخدم	تعليق
حالي	17:26، 23 أبريل 2020		400 × 400 (1٫08 ميجابايت)	Nrco0e	Uploaded a work by Arecibo Observatory/NASA/NSF from http://www.naic.edu/~pradar/press/1998OR2.php with UploadWizard

استخدام الملف

الصفحة التالية تستخدم هذا الملف:

(52768) 1998 OR2

الاستخدام العالمي للملف

الويكيات الأخرى التالية تستخدم هذا الملف:

الاستخدام في arz.wikipedia.org
- (52768) 1998 OR2 (كويكب)
الاستخدام في be.wikipedia.org
- (52768) 1998 OR2
الاستخدام في en.wikipedia.org
- (52768) 1998 OR2
- List of asteroid close approaches to Earth in 2020
الاستخدام في eo.wikipedia.org
- (52768) 1998 OR2
الاستخدام في eu.wikipedia.org
- (52768) 1998 OR2
الاستخدام في fi.wikipedia.org
- (52768) 1998 OR2
الاستخدام في hr.wikipedia.org
- (52768) 1998 OR2
الاستخدام في ja.wikipedia.org
- (52768) 1998 OR2
الاستخدام في pl.wikipedia.org
- (52768) 1998 OR2
الاستخدام في ru.wikipedia.org
- (52768) 1998 OR2
الاستخدام في sv.wikipedia.org
- 1998 OR2
الاستخدام في vi.wikipedia.org
- (52768) 1998 OR2
الاستخدام في www.wikidata.org
- Q8331812

بيانات وصفية

هذا الملف يحتوي على معلومات إضافية، غالبا ما تكون أضيفت من قبل الكاميرا الرقمية أو الماسح الضوئي المستخدم في إنشاء الملف.

إذا كان الملف قد عدل عن حالته الأصلية، فبعض التفاصيل قد لا تعبر عن الملف المعدل.

تعليق ملف GIF

FITS (Flexible Image Transport System) format is defined in 'Astronomy and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H The RX start time is a reasonable approximation to the experiment mid-time. A more accurate mid-time is DATE-OBS + (EXPTIME-RTT)/2 which is typically about 3s earlier Additional -6.45466400328587e-08 s added: Range curvature correction If FREQSAMP < FFTLEN, then the transform was zero-filled SAMPPBD is the number of input samples taken per baud. ROWSPBD is the number of output image rows saved per baud. ROWSPBD and SAMPPBD may differ either because data were thrown away, or because the extra samples were used in the frequency processing. CODEPROC is the code processing method: values are short, long_orig, or long_mod. short means short-code data processed so that each Doppler fft includes data from all samples per baud; long_mod means long-code data processed in the same way; long_orig means long-code data where each sample per baud is processed separately and the separate images are then interleaved in delay.
FITS (Flexible Image Transport System) format is defined in 'Astronomy and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H The RX start time is a reasonable approximation to the experiment mid-time. A more accurate mid-time is DATE-OBS + (EXPTIME-RTT)/2 which is typically about 3s earlier Additional -1.82322992259287e-08 s added: Range curvature correction If FREQSAMP < FFTLEN, then the transform was zero-filled SAMPPBD is the number of input samples taken per baud. ROWSPBD is the number of output image rows saved per baud. ROWSPBD and SAMPPBD may differ either because data were thrown away, or because the extra samples were used in the frequency processing. CODEPROC is the code processing method: values are short, long_orig, or long_mod. short means short-code data processed so that each Doppler fft includes data from all samples per baud; long_mod means long-code data processed in the same way; long_orig means long-code data where each sample per baud is processed separately and the separate images are then interleaved in delay.
FITS (Flexible Image Transport System) format is defined in 'Astronomy and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H The RX start time is a reasonable approximation to the experiment mid-time. A more accurate mid-time is DATE-OBS + (EXPTIME-RTT)/2 which is typically about 3s earlier Additional -6.50443183758398e-08 s added: Range curvature correction If FREQSAMP < FFTLEN, then the transform was zero-filled SAMPPBD is the number of input samples taken per baud. ROWSPBD is the number of output image rows saved per baud. ROWSPBD and SAMPPBD may differ either because data were thrown away, or because the extra samples were used in the frequency processing. CODEPROC is the code processing method: values are short, long_orig, or long_mod. short means short-code data processed so that each Doppler fft includes data from all samples per baud; long_mod means long-code data processed in the same way; long_orig means long-code data where each sample per baud is processed separately and the separate images are then interleaved in delay.
FITS (Flexible Image Transport System) format is defined in 'Astronomy and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H The RX start time is a reasonable approximation to the experiment mid-time. A more accurate mid-time is DATE-OBS + (EXPTIME-RTT)/2 which is typically about 3s earlier Additional -1.81660055886823e-08 s added: Range curvature correction If FREQSAMP < FFTLEN, then the transform was zero-filled SAMPPBD is the number of input samples taken per baud. ROWSPBD is the number of output image rows saved per baud. ROWSPBD and SAMPPBD may differ either because data were thrown away, or because the extra samples were used in the frequency processing. CODEPROC is the code processing method: values are short, long_orig, or long_mod. short means short-code data processed so that each Doppler fft includes data from all samples per baud; long_mod means long-code data processed in the same way; long_orig means long-code data where each sample per baud is processed separately and the separate images are then interleaved in delay.
FITS (Flexible Image Transport System) format is defined in 'Astronomy and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H The RX start time is a reasonable approximation to the experiment mid-time. A more accurate mid-time is DATE-OBS + (EXPTIME-RTT)/2 which is typically about 3s earlier Additional -3.99515300841813e-08 s added: Range curvature correction If FREQSAMP < FFTLEN, then the transform was zero-filled SAMPPBD is the number of input samples taken per baud. ROWSPBD is the number of output image rows saved per baud. ROWSPBD and SAMPPBD may differ either because data were thrown away, or because the extra samples were used in the frequency processing. CODEPROC is the code processing method: values are short, long_orig, or long_mod. short means short-code data processed so that each Doppler fft includes data from all samples per baud; long_mod means long-code data processed in the same way; long_orig means long-code data where each sample per baud is processed separately and the separate images are then interleaved in delay.
FITS (Flexible Image Transport System) format is defined in 'Astronomy and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H The RX start time is a reasonable approximation to the experiment mid-time. A more accurate mid-time is DATE-OBS + (EXPTIME-RTT)/2 which is typically about 3s earlier Additional -8.91766944732808e-08 s added: Range curvature correction If FREQSAMP < FFTLEN, then the transform was zero-filled SAMPPBD is the number of input samples taken per baud. ROWSPBD is the number of output image rows saved per baud. ROWSPBD and SAMPPBD may differ either because data were thrown away, or because the extra samples were used in the frequency processing. CODEPROC is the code processing method: values are short, long_orig, or long_mod. short means short-code data processed so that each Doppler fft includes data from all samples per baud; long_mod means long-code data processed in the same way; long_orig means long-code data where each sample per baud is processed separately and the separate images are then interleaved in delay.
FITS (Flexible Image Transport System) format is defined in 'Astronomy and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H The RX start time is a reasonable approximation to the experiment mid-time. A more accurate mid-time is DATE-OBS + (EXPTIME-RTT)/2 which is typically about 3s earlier Additional -9.82426371365364e-08 s added: Range curvature correction If FREQSAMP < FFTLEN, then the transform was zero-filled SAMPPBD is the number of input samples taken per baud. ROWSPBD is the number of output image rows saved per baud. ROWSPBD and SAMPPBD may differ either because data were thrown away, or because the extra samples were used in the frequency processing. CODEPROC is the code processing method: values are short, long_orig, or long_mod. short means short-code data processed so that each Doppler fft includes data from all samples per baud; long_mod means long-code data processed in the same way; long_orig means long-code data where each sample per baud is processed separately and the separate images are then interleaved in delay.
FITS (Flexible Image Transport System) format is defined in 'Astronomy and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H The RX start time is a reasonable approximation to the experiment mid-time. A more accurate mid-time is DATE-OBS + (EXPTIME-RTT)/2 which is typically about 3s earlier Additional -8.59829185628769e-08 s added: Range curvature correction If FREQSAMP < FFTLEN, then the transform was zero-filled SAMPPBD is the number of input samples taken per baud. ROWSPBD is the number of output image rows saved per baud. ROWSPBD and SAMPPBD may differ either because data were thrown away, or because the extra samples were used in the frequency processing. CODEPROC is the code processing method: values are short, long_orig, or long_mod. short means short-code data processed so that each Doppler fft includes data from all samples per baud; long_mod means long-code data processed in the same way; long_orig means long-code data where each sample per baud is processed separately and the separate images are then interleaved in delay.
FITS (Flexible Image Transport System) format is defined in 'Astronomy and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H The RX start time is a reasonable approximation to the experiment mid-time. A more accurate mid-time is DATE-OBS + (EXPTIME-RTT)/2 which is typically about 3s earlier Additional -5.33652837475529e-08 s added: Range curvature correction If FREQSAMP < FFTLEN, then the transform was zero-filled SAMPPBD is the number of input samples taken per baud. ROWSPBD is the number of output image rows saved per baud. ROWSPBD and SAMPPBD may differ either because data were thrown away, or because the extra samples were used in the frequency processing. CODEPROC is the code processing method: values are short, long_orig, or long_mod. short means short-code data processed so that each Doppler fft includes data from all samples per baud; long_mod means long-code data processed in the same way; long_orig means long-code data where each sample per baud is processed separately and the separate images are then interleaved in delay.
FITS (Flexible Image Transport System) format is defined in 'Astronomy and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H The RX start time is a reasonable approximation to the experiment mid-time. A more accurate mid-time is DATE-OBS + (EXPTIME-RTT)/2 which is typically about 3s earlier Additional 0 s added: Range curvature correction If FREQSAMP < FFTLEN, then the transform was zero-filled SAMPPBD is the number of input samples taken per baud. ROWSPBD is the number of output image rows saved per baud. ROWSPBD and SAMPPBD may differ either because data were thrown away, or because the extra samples were used in the frequency processing. CODEPROC is the code processing method: values are short, long_orig, or long_mod. short means short-code data processed so that each Doppler fft includes data from all samples per baud; long_mod means long-code data processed in the same way; long_orig means long-code data where each sample per baud is processed separately and the separate images are then interleaved in delay.

ملف:1998 OR2 Radar.gif

ملخص

ترخيص

الشروحات

العناصر المصورة في هذا الملف

يُصوِّر

(52768) 1998 OR2

البداية

١٨ أبريل 2020

نوع الوسائط

image/gif

تدقيق المجموع

9d1afd27a456ca9a88cd538f75ce6e3c02064534

حجم البيانات

١٬١٣٤٬٩٨٨ بايت

المدة

١٫٥ ثانية

الارتفاع

٤٠٠ بكسل

العَرض

٤٠٠ بكسل

تاريخ الملف

استخدام الملف

الاستخدام العالمي للملف

بيانات وصفية