Maxima of long period variable RR Ophiuchi on the 10th December, 2011. Magnitude: 8.9-14.6 Period: 292.03 days Type: Mira Position (J2000): R.A. 16 49 02.47 | Dec. -19° 27' 52.4'' Google earth file: RR Ophiuchi.kmz (1kb, kmz)
Augusta Ada King, Countess of Lovelace (10 December 1815 - 27 November 1852), born Augusta Ada Byron, was an English writer chiefly known for her work on Charles Babbage's early mechanical general-purpose computer, the analytical engine. Her notes on the engine include what is recognised as the f...
Carl Gustav Jacob Jacobi (December 10, 1804 - February 18, 1851) was a German mathematician, widely considered to be the most inspiring teacher of his time and is considered one of the greatest mathematicians of his generation. Read more
Orbital elements:
2011 WQ46 Earth MOID = 0.0636 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 304.66268 (2000.0) P Q
n 0.47068997 Peri. 236.11569 -0.10138453 -0.99477770
a 1.6367390 Node 219.70839 +0.91872952 -0.08908277
e 0.3606171 Incl. 1.05547 +0.38165069 -0.04981545
P 2.09 H 24.1...
Title: The New RS CVn Binary V1034 Her Revisited and the orbital period - Activity relation of Short-period RS CVn binaries using photometric distortion amplitude Authors: Zhang liyun This paper presents new CCD BVRI light curves of the newly discovered RS CVn eclipsing binary V1034 Her in 2009 an...
Title: Identifying Star Streams in the Milky Way Halo Authors: Charles King III, Warren R. Brown, Margaret J. Geller, Scott J. Kenyon (SAO) We develop statistical methods for identifying star streams in the halo of the Milky Way galaxy that exploit observed spatial and radial velocity distributi...
Scotland braced for severe winds Scotland is preparing for severe winds, with gusts of over 80mph being forecast for Thursday afternoon. Travel is expected to be seriously disrupted and many schools will be closed. Read more
SpaceEngine - is a free space simulation software that lets you explore the universe in three dimensions, starting from planet Earth to the most distant galaxies. Areas of the known universe are represented using actual astronomical data, while regions uncharted by human astronomy are generate...
Orbital elements:
2010 SV3 Earth MOID = 0.0564 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC
M 17.63239 (2000.0) P Q
n 0.52944054 Peri. 224.12695 -0.37006173 +0.92793642
a 1.5132985 Node 24.25780 -0.81946419 -0.30343874
e 0.5154403 Incl. 6.23082 -0.43764457 -0.21646922
P 1.86 H 20.5 G 0....
Orbital elements:
2011 UU106 Earth MOID = 0.0776 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 292.43825 (2000.0) P Q
n 0.39987581 Peri. 241.65883 -0.68000379 -0.71465484
a 1.8246768 Node 252.17072 +0.71845855 -0.60485051
e 0.4788903 Incl. 9.91396 +0.14632892 -0.35131797
P 2.46 H 18....
Orbital elements:
2004 YU5 Earth MOID = 0.3297 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 324.74238 (2000.0) P Q
n 0.28124794 Peri. 141.43710 +0.02771596 -0.94065407
a 2.3071534 Node 304.38195 +0.78504600 +0.22994821
e 0.4545527 Incl. 24.19447 +0.61881709 -0.24958715
P 3.50 H 18.8...
Orbital elements:
2011 ON24 Earth MOID = 0.1503 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 306.92886 (2000.0) P Q
n 0.71173668 Peri. 279.85739 +0.72095646 -0.66210878
a 1.2423858 Node 121.93176 +0.69175959 +0.67011361
e 0.1748978 Incl. 13.94567 +0.04111511 +0.33549920
P 1.38 H 23....
Title: A complex multi-notch astronomical filter to suppress the bright infrared sky Authors: J. Bland-Hawthorn, S. C. Ellis, S. G. Leon-Saval, R. Haynes, M. M. Roth, H.-G. Löhmannsröben, A. J. Horton, J.-G. Cuby, T. A. Birks, J. S. Lawrence, P. Gillingham, S. D. Ryder, C. Trinh A long-standing an...
Title: Photometric Study of Neglected Eclipsing Binary GSC 3576-0170 Authors: Zhang Liyun, Jing Jianghong, Tang Yanke, Zhang Xiliang The new multi-colour BVRI photometric light curves of the short-period eclipsing binary GSC 3576-0170 were obtained on two consecutive nights (October 5 and...
