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| . PSU QB806.P78 . [[ http://www.ifa.hawaii.edu/users/jpw/ism/reading/lada_extinction_mapping.pdf | Ch1: Near-Infrared Extinction and Molecular Cloud Structure, Charles J. Lada ]] . p3 10K does not excite H,,2,, lowest energy rotational transitions in mid-IR . p4 2448 dark clouds 6 and 18 arcminutes ref: 2005 Dobashi K., Uehara H. ''Publ. Astr. Soc. Japan, 57 1-368'' . p7 Fig 2 [[https://en.wikipedia.org/wiki/Barnard_68|Barnard 68 cloud]] about 200 arcseconds across, maybe 20K as^2^, 100 AU/as . 2 solar masses, 0.15? pc across . sky is (4/π)(360*3600)^2& as^2^, 2.138e12 as^2^, 23 ppm B68 clouds - except most are more distant and smaller . [[ http://www.dvaa.org/AData/Barnard.html | E. E. Barnard's Catalog of Dark Nebulae ]] diameters in arcseconds, "UM2 Pg" is page number in Uranometria, early 1600s 418K as^2^ -> |
Protostars And Planets
Volume 6, 2014 952p
- On order from Amazon
Volume 5, 2007 951p
- PSU QB806.P78
Ch1: Near-Infrared Extinction and Molecular Cloud Structure, Charles J. Lada
p3 10K does not excite H2 lowest energy rotational transitions in mid-IR
p4 2448 dark clouds 6 and 18 arcminutes ref: 2005 Dobashi K., Uehara H. Publ. Astr. Soc. Japan, 57 1-368
p7 Fig 2 Barnard 68 cloud about 200 arcseconds across, maybe 20K as2, 100 AU/as
- 2 solar masses, 0.15? pc across
sky is (4/π)(360*3600)2& as2, 2.138e12 as2^, 23 ppm B68 clouds - except most are more distant and smaller
E. E. Barnard's Catalog of Dark Nebulae diameters in arcseconds, "UM2 Pg" is page number in Uranometria, early 1600s 418K as2 ->
Volume 4, 2000 1422p
Volume 3, 1993 1596p
Volume 2. 1985 1293p
Volume 1, 1978 756p
- CMF: Core Mass Function
- IMF: Initial Mass Function
ISM: InterStellar Medium