File:Ashes Prasad Mitra - Kolkata 2005-07-23 01866 Cropped.jpg
Size of this preview: 406 × 599 pixels. Other resolutions: 163 × 240 pixels | 488 × 720 pixels.
Original file (488 × 720 pixels, file size: 355 KB, MIME type: image/jpeg)
File information
Structured data
Captions
Summary
editDescriptionAshes Prasad Mitra - Kolkata 2005-07-23 01866 Cropped.jpg | Padma Bhushan Dr. Ashesh Prasad Mitra (A P Mitra), born on 21 February 1927 in Calcutta or Kolkata, India, completed his D.Phil. in 1955 from the University of Calcutta. Dr Mitra was an outstanding student of the late Prof. S.K.Mitra, FRS, who is now remembered for his pioneering work in ionospheric and related atmospheric research. Dr.Mitra was a doyen of upper atmospheric research in India, taking up with distinction the mantle of his guru. His major work was in the field of Earth's near-space environment, through ground- based and space techniques. His work on cosmic radio noise for studying the upper atmosphere led to a series of discoveries in ionosphere, solar physics and cosmic rays. Dr.Mitra was the driving force of the Indian programme of the International Geophysical Year 1957 – 58, International Quiet Sun Year (IQSY) 1964-1965 and then Middle Atmosphere in the eighties and IGBP in the nineties. De died on 3 September, 2007. |
Date | |
Source | Own work |
Author | Biswarup Ganguly |
Licensing
editI, the copyright holder of this work, hereby publish it under the following licenses:
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
This file is licensed under the Creative Commons Attribution 3.0 Unported license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
You may select the license of your choice.
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 01:26, 4 December 2011 | 488 × 720 (355 KB) | Gangulybiswarup (talk | contribs) |
You cannot overwrite this file.
File usage on Commons
The following page uses this file:
File usage on other wikis
The following other wikis use this file:
- Usage on arz.wikipedia.org
- Usage on bn.wikipedia.org
- Usage on en.wikipedia.org
- Usage on hi.wikipedia.org
- Usage on www.wikidata.org
Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | SONY |
---|---|
Camera model | DSC-P32 |
Exposure time | 1/30 sec (0.033333333333333) |
F-number | f/2.8 |
ISO speed rating | 250 |
Date and time of data generation | 12:43, 23 July 2005 |
Lens focal length | 5 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop 7.0 |
File change date and time | 16:01, 3 December 2011 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 12:43, 23 July 2005 |
Meaning of each component |
|
Image compression mode | 2 |
APEX exposure bias | 0 |
Maximum land aperture | 2.9375 APEX (f/2.77) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
Supported Flashpix version | 1 |
Color space | sRGB |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
IIM version | 2 |