How to combine 2 FITS images into a single FITS file?

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Why there is a differential rotation in the Sun and what are the reasons behind it?

I know that the Sun, unlike the Earth, is not a rigid body. It's composed of a hot rotating plasma. And the equator sector has to cross the greatest distance to stay a part of the sphere, like...

08 September 2018 2,543 0 View

How to add a decimal number to date-time in Excel ?

I was looking for a method to add a decimal number that represents the hours like this for example 30.12 hours (hh:mm) to a date-time cell like this for example 6/12 17:45 (M/dd hh:mm) and get an...

02 March 2018 6,488 0 View

Why do we need to apply machine learning in Space Weather?

What's the advantage of using artificial neural networks, for example, in order to tackle space weather challenges?

31 December 2017 7,092 0 View

Why does the duration of solar flares tend to be much shorter than the duration of type-II solar radio bursts?

Why does the emission wavelength directly proportional to its duration?

31 December 2017 2,030 6 View

How to find trends in data?

If I have a data like the attached image. I need to draw a vertical line (like the red dashed line) at the max point of the green part (positive trend) which is followed by a strong negative...

10 November 2017 2,348 2 View

What's meant by "fold" in the electron density models?

In the electron density models, like Newkirk and Saito models for the corona of the Sun, there is a parameter called "fold" (i.e. 1×fold, 2×fold, etc.) and I think it's related to the solar...

04 May 2017 9,989 0 View

How to plot a fitting line on type-II radio burst data?

In the attached images, the "Data.jpg" image is a spectrogram for a type-II radio burst with frequency on the y-axis and time on the x-axis and the intensity of the signal is labeled with colors....

04 May 2017 392 2 View

How to include the Solar Wind indices in the Neural Network?

I'm investigating the effect of the Solar Wind drag on the CMEs, especially HCMEs, and I'm using the Neural Network technique (Linear Regression) on MATLAB to do so. My input variables are from...

01 February 2017 8,898 2 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...

11 August 2024 8,141 3 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

Request Python code?

Request Python code from this article : Gender equity of authorship in pulmonary medicine over the past decade. THANKS!

08 August 2024 6,242 2 View

1. If I can quantize the atom using this hyperbolic spiral and classical physics, could nature do the same?

If we map as a continuous motion an ionising electron (beginning its journey at n=1) in an H atom, a specific hyperbolic spiral appears (see animation). When we solve this spiral formula, we find...

07 August 2024 5,343 2 View