Osram has developed the world’s brightest white light-emitting diode. Known as Ostar Lighting, this LED supplies 200 lumens, thus literally putting light bulbs and neon lamps in the shade. Previously, the brightest LED from the Siemens subsidiary Osram had an output of 120 lumens. As far as its lu...
Title: Colour Gradients in Galaxies Out to z~3: Dependence on Galaxy Properties Authors: Niraj Welikala (IAS, Orsay), Jean-Paul Kneib (LAM) Using HST/ACS observations, we measure the colour gradients of 3248 galaxies in the GOODS-South field out to z~3 and i_{AB}<25.5 and characterize the...
Title: V1135 Herculis: a double-lined eclipsing binary with an Anomalous Cepheid Authors: E. Sipahi, C. Ibanoglu, O. Cakirli, H.A. Dal, S. Evren BVR light curves and radial velocities for the double-lined eclipsing binary V1135 Her were obtained. The brighter component of V1135 Her is a Cepheid...
Title: 51 Ophiuchus: A Possible Beta Pictoris Analog Measured with the Keck Interferometer Nuller Authors: Christopher C. Stark, Marc J. Kuchner, Wesley A. Traub, John D. Monnier, Eugene Serabyn, Mark Colavita, Chris Koresko, Bertrand Mennesson, Luke D. Keller We present observations of the 5...
Orbital elements:
2013 HV14 Earth MOID = 0.2878 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 349.10932 (2000.0) P Q
n 0.28842705 Peri. 207.84203 -0.60557636 +0.76847170
a 2.2687086 Node 26.57142 -0.61690705 -0.28925305
e 0.4443426 Incl. 27.52349 -0.50269569 -0.57077484
P 3.42 H 21.0...
Arctique, une expédition scientifique pour en faire le tour The polar schooner Tara leave Lorient 19 May 2013 for a new expedition Tara Oceans Polar Circle. A scientific adventure seven months around the 25000 kms Arctic Ocean which incloude the Northeast and Northwest passages. Supported by the...
Orbital elements:
2013 HU14 Earth MOID = 0.0402 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 7.71182 (2000.0) P Q
n 0.66703131 Peri. 164.34349 -0.95019226 +0.27763048
a 1.2972945 Node 32.85849 -0.30656697 -0.75074130
e 0.1987183 Incl. 15.13044 -0.05613701 -0.59942374
P 1.48 H 24.3 G 0...
Orbital elements:
2013 HT14 Earth MOID = 0.0021 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 15.18756 (2000.0) P Q
n 0.32590013 Peri. 87.57949 -0.47302976 -0.87955314
a 2.0912841 Node 30.81892 +0.76334628 -0.43820269
e 0.7190208 Incl. 5.74393 +0.43993784 -0.18537714
P 3.02 H 26.2 G 0....
The Great Comet of 1901, sometimes known as Comet Viscara, formally designated C/1901 G1, 1901 I, and 1901a was a comet which became bright in the spring of 1901. Visible exclusively from the southern hemisphere, it was discovered on the morning of April 12, 1901 as a naked-eye object of second magni...
Richard van der Riet Woolley FRS (24 April 1906 - 24 December 1986) was an English astronomer who became Astronomer Royal. His mother's maiden name was Van der Riet. Read more
Orbital elements:
2013 HL11 Earth MOID = 0.1603 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 315.11661 (2000.0) P Q
n 0.61778040 Peri. 244.40047 +0.03495463 +0.95738879
a 1.3653583 Node 31.97226 -0.60582441 +0.24843872
e 0.2292595 Incl. 32.77939 -0.79483015 -0.14725796
P 1.60 H 23.2...
Title: What is the entropy of the universe? Authors: Paul Frampton, Stephen D.H. Hsu, Thomas W. Kephart, David Reeb Standard calculations suggest that the entropy of the universe is dominated by black holes, although they comprise only a tiny fraction of its total energy. We give a physical interp...
A north-east marine aquarium is offering visitors the chance to view examples of sea creatures millions of years old. A display of fish fossils drawn from various collections has gone on show at Macduffs aquarium. The collection includes species which would have flourished locally when the Moray...
Mexicans set Guinness record pointing 2978 telescopes at Moon Mexican astronomy enthusiasts set a Guinness record over the weekend by simultaneously pointing 2,978 telescopes at the Moon from different parts of the country, organisers said. [url=http://guinness.firstorfast.com/2013/04...
