Questions tagged [resource-request]

Questions asking "What is a good book about X?" or more generally, "What should I read to learn about X?", typically where there is not a single authoritative reference. Also requests for multimedia, like video lectures.

Filter by
Sorted by
Tagged with
0 votes
1 answer
50 views

Are there interactive maps for comets?

As we know there are interactive maps for lunar and solar eclipses. This is the interactive map of October 14, 2023 annular solar eclipse from timeanddate, and you can zoom in to see the eclipse path ...
Snack Exchange's user avatar
2 votes
1 answer
104 views

is there any site with historical radiotelescope data about observations 21 cm line Hydrogen (1.42 GHz)?

I am looking for an open source that contain historical raw data or (meta)data about historical observations of the 21 cm line hydrogen made via radio telescopes.
Rad's user avatar
  • 21
1 vote
1 answer
367 views

Books to use for NSEA (first stage of IOAA in India)

Someone please guide me for IOAA (most likely NSEA, i.e., the first stage of IOAA in India), like what material and books to use for mathematics, physics and astronomy and is it too late to start my ...
Bhanu Pratap panwar's user avatar
3 votes
1 answer
106 views

Detailed online catalog of astronomical objects?

Is there a detailed online catalog of all the most important astronomical objects (stars, planets, constellations, galaxies etc.) with condensed data and photos? Something like this, which is taken ...
Ouroboros's user avatar
  • 133
3 votes
1 answer
75 views

Seeking Guidance & Tips for Collaboration on a Cosmological Project Involving Potential Energy Variation Due to Cosmic Expansion

I'm a student with a deep interest in cosmology and astrophysics. I've embarked on a project and am seeking some guidance, insights, or even ways that I could look for possible collaboration on this ...
Aaron Schramm's user avatar
2 votes
0 answers
79 views

Credible description of point sources and point spread functions in astronomy

I am looking for a credible source (or even the original sources) that describe point sources and/or point spread functions (PSFs) on astronomy. Unfortunately, the Wikipedia pages (point source, PSF) ...
mapf's user avatar
  • 121
2 votes
0 answers
97 views

Empirical Constraints on the Time Evolution of Cosmological Redshifts

The standard model of Cosmology predicts that the redshift of a single source at fixed comoving distance varies with observation time according to $$ \dot z = \left( 1+z - \frac{H(z)}{H_0} \right) H_0....
jawheele's user avatar
  • 121
4 votes
0 answers
194 views

Different techniques for calculation of celestial bodies dynamics with different time-scales

Differential equations describing the dynamics of celestial bodies (rotation, nutation, precession and other effects) can be solved numerically, which makes it possible to study their general non-...
dtn's user avatar
  • 285
3 votes
1 answer
143 views

Is there a library/API like Leaflet available for Starmaps?

Some Background I am working (recreationally) on R package that allows for users to create custom, print quality, map art that is commonly found on many drop shipping sites. Seeing that there are ...
Bensstats's user avatar
  • 133
1 vote
0 answers
25 views

How far are we from a black hole? [duplicate]

As far as I know, the closest (object reasonably believed to be a) black hole to Earth is Gaia BH1 at ~1560 ly. But presumably most black holes are hard to detect and there are undiscovered black ...
Charles's user avatar
  • 383
3 votes
1 answer
155 views

What are some notable bets Astronomers place on Astronomy, e.g. Mike Merrifield's on Mars; is there a list of them?

Is it theoretically possible to see a spiral galaxy head on, and side on, if there is a convenient gravitational lensing effect? turned me on to astronomer Mike Merrifield's excellent Sixty Symbols ...
uhoh's user avatar
  • 31.4k
2 votes
0 answers
104 views

Has "crescent-twinkling" even been demonstrated or at least calculated/predicted? Any "twinkleometer" data for Venus out there?

My new answer to Why does Venus flicker? addresses something that I find particularly interesting; Venus can be an incredibly thin crescent at times, and even a 1 arcminute large thin ring with an ...
uhoh's user avatar
  • 31.4k
4 votes
1 answer
429 views

What is the mass of exoplanet HD 100546b?

What is HD 100546b's real mass? In Wikipedia I found that its mass is 3.1 Jupiter's masses but at Nasa official site I found that it was 752 Jupiter masses, which sounds unbelievable. And on the ...
boring's user avatar
  • 43
2 votes
0 answers
87 views

We are making a 5 meter diameter radio telescope dish by using metal mesh and need some advice and/or reference designs [closed]

We are making a 5 meter diameter radio telescope dish. What metal should we use and what must be the size of the mesh if the targeted frequency is 1430 Hz? Also what might a simple but stable ...
killbox72's user avatar
2 votes
0 answers
44 views

Resources for image representations of planetary systems that indicate the temperature of each part of the system [closed]

I was wondering whether anyone knows a resource where I can get images in the form of illustrations or representations of planetary systems, where these images indicate or convey the temperature of ...
Belal Bahaa's user avatar
7 votes
1 answer
377 views

Should I drop source shot noise from the SNR calculation when all I care about is detection (not photometric precision)?

All of the calculations for signal-to-noise ratio (SNR) of sources in astronomical images include various noise terms of relevance: read noise, quantization noise, and shot noise from each of the ...
NeutronStar's user avatar
  • 2,623
2 votes
1 answer
63 views

I dont know how to properly search in SIMBAD [closed]

I've been trying to search in SIMBAD for a star in about 92 parsecs, there is a problem. I dont know how to properly search, I got confused with the query search with those bazillion codes, and every ...
Star Introvert's user avatar
3 votes
1 answer
230 views

Is there an official recommended expression for Doodson arguments?

I am following chapter 6 of this 2010 IERS note describing the calculation of a geopotential model. In the notes of equation 6.8, two expressions for the parameter called $\theta_f$ is given. One of ...
Rafa's user avatar
  • 351
1 vote
1 answer
58 views

How many asteroids were discovered via GAIA? Is there a list?

The ESA Science & Technology video Gaia's asteroid discoveries shows trajectories for hundreds of asteroids that were seen by GAIA, but as far as I can deduce from the extensive notes there, only ...
uhoh's user avatar
  • 31.4k
1 vote
1 answer
115 views

What are the various ways we can quickly generate custom star charts to find moving asteroids or comets in binoculars and telescopes?

Where can I find the positions of the planets, stars, moons, artificial satellites, etc. and visualize them? is an amazing resource and @user21 has set it up with a community wiki answer for all of us ...
uhoh's user avatar
  • 31.4k
2 votes
0 answers
53 views

What is the differential emission measure (DEM)? what are its physical significant in solar plasma? [closed]

I'm trying to understand what differential emission measure (DEM) is, especially its physical significant in solar plasma. Is it possible to give a short description and perhaps suggest to me some ...
Bhavin Moida's user avatar
2 votes
1 answer
30 views

Is there any conferences/symposiums/workshops/schools aggregator service?

I'm looking for a conference/etc.. for next year and I've found that this information is very much scattered about. One almost has to know beforehand the existence of a given conference/etc.. because ...
Gabriel's user avatar
  • 702
2 votes
0 answers
129 views

Help finding a database or analysis of plage regions on the Sun

Plages are phenomena of stellar activity. A plage is a bright region in the chromosphere of the Sun, typically found in and around active regions. The term itself is poetically taken from the French ...
Autodidact's user avatar
2 votes
0 answers
22 views

Stromgren photometric data in Vizier

Is there a catalog in Vizier that provides Stromgren photometric data for stars, (the all four uvby, not just the indices b-y, m and c) I would like to try the photometric transform given in my book, ...
Cheng's user avatar
  • 332
-1 votes
2 answers
58 views

How can I find more information on a certain galaxy when NED isn't helping?

The paper High Frequency Peakers: Young radio sources or flaring blazars? by S.Tinti et.al. lists some nice radio-wavelength SEDs, like these for instance: When looking for more photometric info on a ...
Jim421616's user avatar
  • 2,404
4 votes
1 answer
94 views

Is there a complete guide on how to use telescopes?

tl;dr As said by @uhoh in the comments, is there A Big Book of Telescopes? i.e: Is there some kind of media that gives a complete treatment to telescopes? I am relatively new to Astronomy.SE. I wanted ...
WantARevolution's user avatar
4 votes
1 answer
84 views

How to locate helpful and instructive books and resources about numerical methods in cosmology?

I am interested in the hydrodynamical and N-body simulations, and I want to use simulation results to examine the theoretical models. Hence I am searching for some helpful and instructive books and ...
Wang Yun's user avatar
  • 379
6 votes
1 answer
144 views

Reference request (explaining) how optical correlators combine light from multiple telescopes to produce ultra-high resolution interferometric images?

This is a reference or resource-request because it may be too challenging to explain in an answer post, but if you'd like to attempt a short summary as well, that will be great! I have a basic ...
uhoh's user avatar
  • 31.4k
0 votes
3 answers
630 views

Learning astrophysics from zero

I'm a liberal arts student, an undergraduate English student who out of the blue, started getting interested in astronomy and physics, searching for facts all the time, googling about some theories, ...
Nour Fourti's user avatar
2 votes
2 answers
162 views

Basic, learning examples of applications of CFD and MHD in astrophysics, and current research directions using these techniques?

I am an undergraduate in Physics, and I have an opportunity to work with a some of my seniors to learn Computational Fluid Dynamics (CFD) and Magnetohydrodynamics (MHD). I would like to choose my ...
Mirae's user avatar
  • 65
3 votes
1 answer
80 views

Orbital resonances - expansion of disturbing function

I want to study the orbital resonance type 3:1 between an asteroid and Jupiter. For this purpose, I found the expansion of the disturbing function, $R$, in Celletti A., Stability and Chaos in ...
Augustin's user avatar
  • 153
2 votes
0 answers
64 views

How to derive density and mass from the pseudo isothermal model for mapping the density profile for dark matter?

I recently read about dark matter haloes and ways to profile their density. I came across this model called the pseudo isothermal model for the halo and I wanted to know how you would model the ...
Syzygy's user avatar
  • 21
2 votes
1 answer
338 views

Resource Recommendations to systematically develop a foundation via Self study in Astrophysics/Astronomy?

I am a high school senior (Grade 12) with a passion for Astronomy/Astrophysics. I already searched quite a bit here on the other questions on resources, but I couldn't find any that shows a concise, ...
WantARevolution's user avatar
6 votes
2 answers
1k views

What is the best database for identification of spectral lines?

What is the best database for the identification of spectral lines? For instance, I have a red spectrum of A0 star and I would like to recognize the most prominent lines, where to find them? Many ...
Elena Greg's user avatar
1 vote
1 answer
120 views

On Augustus' Actual Prescription to Restore the Julian Calendar to Accuracy

I hope that I may ask this question here as I have seen some favorably received questions related to the Julian calendar on this site. From James Evans' book, ``The History and Practice of Ancient ...
DDS's user avatar
  • 137
7 votes
1 answer
313 views

What calculations show that Comet Shoemaker-Levy 9 orbited Jupiter for several decades before its spectacular impact? (Chodas, Sekanina & Yeomans)

This answer to A moon in eccentric orbit dipping below Roche limit includes the following about Comet Shoemaker–Levy 9 Here is a nice figure of its last passes: I looked up "fragment A" in ...
uhoh's user avatar
  • 31.4k
3 votes
1 answer
135 views

Historical estimates of the density parameter

From the reference in this answer I learned that our current estimate for the density parameter (i.e., the density of the universe divided by the critical density, which determines the shape of the ...
Casper's user avatar
  • 67
5 votes
0 answers
168 views

What are some good books/online resources for astronomy problem sets?

I am currently studying for the international olympiad for astronomy and astrophysics (the syllabus can be found here: https://www.ioaastrophysics.org/syllabus/). I am currently using Carroll Ostlie's ...
Lucas Tan's user avatar
  • 147
0 votes
0 answers
83 views

Samples from the double Schechter luminosity funcion

I want to produce samples from a double Schechter luminosity function. Ideally, I am looking for a python implementation of this problem but am open to other tools if necessary. Do you know of any ...
jm22b's user avatar
  • 147
3 votes
0 answers
98 views

Discovery papers for Uranus and Neptune

I would like to have the discovery papers, notices or announcements done by Herschel with Uranus and Le Verrier with Neptune. I know that Herschel adressed the Royal Society and Le Verrier sent some ...
Swike's user avatar
  • 3,856
4 votes
1 answer
112 views

Catalogs for type K stars and their planetary systems?

I am doing data collection on all type K stars, and their planetary system so I may develop an algorithm for a planetary formation simulation with the Unity game engine. Where could such a catalog of ...
Mr. Anderson's user avatar
2 votes
0 answers
44 views

Paper recommendations for career guidance

I'm an undergraduate student in astronomy and I'm one year from graduating, but I feel I still can't choose what career path I want to pursue. To date I've only had two courses of proper astrophysics ...
bajotupie's user avatar
12 votes
1 answer
307 views

How many meteorites have been found some place other than Earth? Where is an authoritative list maintained?

Backgound: After seeing this tweet by astronomer Kacper Wierzchoś about our not-so-new but at least newly-discovered "mini-moon" I scrolled down and saw the tweeted image below. The object ...
uhoh's user avatar
  • 31.4k
3 votes
2 answers
483 views

What are good resources to study Gravitational Waves?

I am undergraduate student having basic knowledge of Physics. I'm looking for resources (books, video lectures, research papers, etc) to study Gravitational Waves from scratch, I think initially I ...
learner's user avatar
  • 341
1 vote
1 answer
60 views

Data for spectrum of Wolf-Rayet stars

I'm looking for a way to access the data used to produce these plots for instance. These plots show the spectrum of various Wolf-Rayet stars. I found a few websites where you have some informations on ...
Laurent Hayez's user avatar
14 votes
3 answers
303 views

Any book on `How do they know it (in Astronomy)`?

I am reading my college/undergraduate level astronomy textbook. It has lots of ínfomation but every page raises a similar question in my mind: "How do they know it?". It starts from simple ...
claws's user avatar
  • 179
3 votes
1 answer
373 views

Perihelion dates and parameters

I have to find the perihelion and aphelion data for the 20th century for Earth. I found this table http://www.astropixels.com/ephemeris/perap2001.html, but no such table for the past century. I ...
Alex Johnson's user avatar
5 votes
2 answers
584 views

"Table of Astronomy's" depiction of the solar system models

This is going to be a follow up question to my question about the "Table of Astronomy" from yesterday, What is this “Table of astronomy” about?. I wanted to take a close look at the three depiction ...
nuuse's user avatar
  • 165
11 votes
1 answer
2k views

What is this "Table of astronomy" about?

I found this picture while looking for some tattoo ideas and would like to know what these sketches are supposed to mean. Im especially interested in figures 1, 21, 53 and 56. It appears to be ...
nuuse's user avatar
  • 165
6 votes
2 answers
790 views

Book recommendation

I'm looking for a modern astrophysics text. I've had Barbara Ryden's book Foundations of Astrophysics recommended to me and it sounds okay, but the only review of it I've seen slagged off the problem ...
PSR-1937-21's user avatar