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• How Do We Observe Star Formation
  ...istribution peaks at the wavelength close to the predicted maximum for its black body equivalent. For hotter stars, this occurs at shorter wavelengths (hig ...r in its SED. A "hot" object is also referred to as "blue" because hotter black bodies peak at wavelengths bluer (shorter) than their cooler counterparts.
  4 KB (676 words) - 19:26, 7 February 2013
• Astronomers as people
  *[http://bit.ly/blackastro Black Lives in Astronomy Resource Guide]
  1 KB (159 words) - 14:59, 10 November 2020
• Chandra
  ...e Universe such as exploded stars, clusters of galaxies, and matter around black holes. Because X-rays are absorbed by Earth's atmosphere, Chandra must orbi ...ound the supermassive black hole in the center of our Milky Way, and found black holes across the Universe. Chandra has traced the separation of dark matter
  4 KB (577 words) - 16:02, 16 March 2013
• Studying AGN
  ...aradigm became where a large amount of gas was flowing into a supermassive black hole at the center of an AGN. As the gas flows in, it forms an accretion di ...ecause inflowing gas from the host galaxy forms an accretion disk around a black hole. The accreting gas heats up and starts emitting light -- just like any
  10 KB (1,833 words) - 16:06, 17 February 2014
• TRS Useful Links
  *[http://amazing-space.stsci.edu/resources/explorations/blackholes/ Lesson on Black Holes from STScI] ....com/bad/misc/black_hole_sun.html Bad Astronomy page on Sun turning into a black hole]
  4 KB (655 words) - 18:26, 16 August 2011
• The influence of reddening
  ...ect. So just sliding the object back along the Av vector until you hit the black line may not be the right thing to do. ...as no amount of Av will ever move them back to the cloud of points or the black line. In those cases, there is an ultraviolet excess, or "more blue than yo
  11 KB (1,963 words) - 17:01, 31 July 2020
• I need a sinusoidal light curve to play with
  ...140 pc away. It’s an M star. I’ve also attached a color-magnitude diagram (black is Pleiades member with a K2 light curve, grey is likely non-member, red st
  1 KB (233 words) - 16:42, 22 February 2021
• Coldspotz June Visit to Pasadena
  ...dust shells/disks, dusty nearby galaxies, planetary nebulae, supermassive black holes, distant star-forming galaxies.
  2 KB (311 words) - 18:23, 8 August 2012
• HG-WELS Summer visit logistics
  *David Black + 3 (one under 16)
  2 KB (380 words) - 18:22, 2 July 2014
• Color-Magnitude and Color-Color plots Overview
  ...the star in two spectral bands. This ratio is then directly related to the black body function and hence temperature. For primarily historical reasons, the ...a standard (optical/IR) spectral band. Again since the emitted spectra are black bodies, this is directly related to the total flux. Traditionally, the mos
  9 KB (1,583 words) - 18:15, 23 June 2021
• Finding images using IRSA tools
  ...asonable amount of sky at all, you'll get a tiny 2MASS image surrounded by black, blank sky. In order to get big 2MASS images, you should use IRSA Viewer to
  3 KB (556 words) - 21:02, 31 July 2020
• Resolution Skills
  ...rama, and someone says, "can you enhance that?" when referring to a blurry black-and-white image from a security camera, and someone else waves a magic wand
  3 KB (513 words) - 20:50, 13 August 2020
• Studying Polycyclic Aromatic Hydrocarbons
  ...ence" and is the same process by which a fluorescent dye will glow under a black light. In that example, the dye absorbs the ultraviolet photons that we can
  6 KB (882 words) - 23:04, 23 July 2007
• More on filters and bandpasses
  ...thumb|left]] Here are filter transmission curves for the JHKs filters. The black line in that plot is the transmission of the Earth's atmosphere. So, you ca
  5 KB (839 words) - 16:53, 18 April 2012
• Lauren BRC 27
  • Black body curves • Black body curves
  10 KB (1,573 words) - 14:29, 3 March 2012
• Another CMD explanation attempt
  ...in red to the brightness in blue is the temperature. If you remember the black body curves, as things get hotter they get bluer. These colors give us a me
  5 KB (861 words) - 19:46, 11 August 2020
• OLD main page
  ...ng from the hunt for young stars in IC 2118, to exploring the supermassive black hole in Arp102B.
  6 KB (938 words) - 21:51, 27 July 2020
• Make a simple mosaic
  Note that there is a black-background part of the mosaic at the top, and then you can see the higher-b
  6 KB (998 words) - 19:08, 13 May 2011
• Resolution Overview
  ...re often selected to emphasize different details than are discernable in a black-and-white image.
  6 KB (1,023 words) - 01:32, 28 July 2020
• Working with the HG-WELS data
  .... In my SEDs, I use the following symbols for particular surveys. Vertical black lines through any point is the error on the point; in many cases, the error | black
  31 KB (5,458 words) - 20:37, 28 August 2014
• Coherent ideas of what to do with these pieces
  People want *anything* having to do with black holes. AGN light curves?
  7 KB (1,074 words) - 16:32, 6 October 2022
• SED plots introduction
  ...es (often with downward-pointing arrows to denote upper limits), the solid black line are the IRS ''spectroscopic'' points (error most apparent near the red
  8 KB (1,406 words) - 17:05, 31 July 2020
• Working with the LLAMMa data
  ...rcles = mean (average) IRAC from YSOVAR light curves. Black stars = WISE. Black box (near the IRAC points) = MIPS. longer wavelength SEDs continue: asteris
  40 KB (7,042 words) - 20:26, 27 July 2016
• Lynds Target Selection
  ...per (see sections 4.2 and 4.3) about whether some objects found in the LDN black parts are real YSOs or not, and they conclude based on available evidence t black parts are real YSOs or not, and they conclude based on available evidence t
  30 KB (5,075 words) - 14:04, 2 May 2008
• Working with the IC 417 data
  ...means that bright is ok). Black diamonds = 2MASS. Green squares = UKIDSS. black stars = WISE. blue circles = IRAC.
  38 KB (6,763 words) - 01:50, 18 June 2015
• How do I download data from WISE?
  ...t image window. At the top right of the image window, you can click on the black arrows to expand that image to fill your full screen, or click on the tools
  11 KB (2,080 words) - 03:38, 25 January 2013
• Studying Young Stars
  ...The x-axis is wavelength, and the y-axis is energy. It looks like a cold black body; all of the emission comes from the dust and gas in the cloud. The mas
  13 KB (2,128 words) - 22:21, 23 March 2023
• Aperture Photometry Overview
  ...agine the difference between finding bright single point sources on a flat black background, versus trying to find a wide variety of point source brightness
  15 KB (2,585 words) - 02:23, 31 July 2020
• Working with the C-WAYS data
  ...e Spitzer sources that are possible, or not? Why?) Why is there a patch of black in BRC 38 (hint: Beltran et al.)? ...y see. at "12:00", i really don't see any sources (or many sources) in the black in between sources. it's even doing a pretty good job finding sources on to
  47 KB (8,224 words) - 19:56, 24 July 2012
• C-WAYS Proposal
  ...ts to; star formation mechanism and stellar life cycle, spectral analysis, black body curves, and photometry. In the fall of 2012, the weekly meetings will
  17 KB (2,838 words) - 18:10, 6 May 2012
• Herschel Space Observatory
  ...ow in the mid infrared and we’re brightest at about 10 microns wavelength (black line in the graph). These days we are all familiar with infrared imaging,
  19 KB (3,099 words) - 21:16, 2 February 2013
• Identification of Previously Known Objects on Candidate List
  ...ture papers, plus ours, in BRC 27. Ogura 8 additionally indicated by large black star, since source density is high right there. [[file:brc27lit.png]] ...nates from Shevchenko, and the positions precessed to 2000 coordinates (in black). Look how big that shift is.
  46 KB (7,970 words) - 17:38, 16 September 2011
• PP Proposal
  ...FERMI, SWIFT, and XMM-Newton. Because of their work, there were part of a black hole special aired by National Geographic and NOVA.
  20 KB (3,148 words) - 02:08, 12 June 2011
• CephC-LABS Resolution Worksheet
  ...asonable amount of sky at all, you'll get a tiny 2MASS image surrounded by black, blank sky. In order to get big 2MASS images, you need to get them some oth
  32 KB (5,692 words) - 16:18, 13 April 2017
• L1688 Resolution Worksheet
  ...asonable amount of sky at all, you'll get a tiny 2MASS image surrounded by black, blank sky. In order to get big 2MASS images, you need to get them some oth
  35 KB (6,288 words) - 15:39, 11 April 2018
• C-CWEL Proposal
  ...396 complex. brc 38 is at the top of the 'ring', one of the less prominent black fingers at the top.
  35 KB (5,742 words) - 23:27, 27 February 2013
• Working with the C-CWEL data
  ...talog? Why are the Spitzer sources where they are? Why is there a patch of black in the center of the plot on the left (hint: Beltran et al.)?
  46 KB (8,082 words) - 17:21, 7 August 2013