ファイル:2020BX12 Radar.gif

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概要

解説2020BX12 Radar.gif	English: Series of range-Doppler radar images of 2020 BX12 observed February 4, 2020.
日付	2020年2月10日
原典	Main page: http://www.naic.edu/~pradar/ Press release page: http://www.naic.edu/~pradar/press/2020BX12.php Direct image link: http://www.naic.edu/~pradar/images/2020BX12.feb11.gif
作者	Arecibo Observatory/NASA/NSF

ライセンス

	このファイルはアメリカ航空宇宙局（NASA）によって作成されたものです。NASAの著作権の方針では、特記事項が無い場合、NASAの資料はパブリックドメインとなります。（詳しくはTemplate:PD-USGov、NASAの著作権の方針について（英語）又はジェット推進研究所(JPL)の画像使用に関するガイドライン（英語）をご覧ください。）
	注意事項: NASAのロゴや記章・紋章の使用は米国法14 CFR 1221で制限されています。 NASA の公式ウェブサイトには、アメリカの宇宙開発局ではないソ連・ロシア連邦宇宙局からの画像も数多く収録されています。これらのファイルや資料は必ずしもパブリックドメインであるとは限りません。ハッブル宇宙望遠鏡による資料は、宇宙望遠鏡科学研究所(STScI)による提供である場合パブリックドメインではない可能性があります。ハッブル宇宙望遠鏡公式サイトの著作権ポリシー（英語）。詳しくは{{PD-Hubble}}や{{Cc-Hubble}}、{{Spacetelescope.org}}もご覧ください。太陽・太陽圏観測衛星（SOHO, ESA & NASA）と共同のプロジェクトでは、宇宙探査用のロケットからの画像やデータを学校教育や非営利的な目的で使用することを容認していますが、その際は適切な著作権者帰属表示が求められています。（SOHOによる著作権ポリシー（英語））宇宙の今日の一枚(APOD)のサイトに掲載された画像は、著作権保護の対象になっている可能性があります。APODについて（英語）

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	日付と時刻	サムネイル	寸法	利用者	コメント
現在の版	2020年2月12日 (水) 23:19		300 × 300 (607キロバイト)	Nrco0e	User created page with UploadWizard

ファイルの使用状況

以下のページがこのファイルを使用しています:

2020 BX12

グローバルなファイル使用状況

以下に挙げる他のウィキがこの画像を使っています:

en-two.iwiki.icu での使用状況
- List of asteroid close approaches to Earth in 2020
- 2020 BX12
fr.wikipedia.org での使用状況
- 2020 BX12
ru.wikipedia.org での使用状況
- 2020 BX12
www.wikidata.org での使用状況
- Q84893658

メタデータ

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GIFファイルのコメント

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 -2.20928853877922e-07 s added: Range curvature correction Closed-loop time estimated from baud 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 -3.68332734979049e-07 s added: Range curvature correction Closed-loop time estimated from baud 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 -3.88563755393534e-07 s added: Range curvature correction Closed-loop time estimated from baud 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 -2.82198151069224e-07 s added: Range curvature correction Closed-loop time estimated from baud 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 -5.07294402041225e-08 s added: Range curvature correction Closed-loop time estimated from baud 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 -2.17896740650758e-07 s added: Range curvature correction Closed-loop time estimated from baud 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 -3.63200236108696e-07 s added: Range curvature correction Closed-loop time estimated from baud 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 -3.82583976943351e-07 s added: Range curvature correction Closed-loop time estimated from baud 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 -2.77559486505652e-07 s added: Range curvature correction Closed-loop time estimated from baud 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 -4.97799774734631e-08 s added: Range curvature correction Closed-loop time estimated from baud 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 -2.1390304993929e-07 s added: Range curvature correction Closed-loop time estimated from baud 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.

ファイル:2020BX12 Radar.gif

概要

ライセンス

キャプション

このファイルに描写されている項目

題材

2020 BX12

著作権の状況

パブリックドメイン

成立日

10 2 2020

メディアタイプ

image/gif

チェックサム

f66d72f59b796cb24664e5d33b2cf2da344d2599

データサイズ

621,664 バイト

継続時間

1.1 秒

全高

300 ピクセル

全幅

300 ピクセル

ファイルの履歴

ファイルの使用状況

グローバルなファイル使用状況

メタデータ