... John O'Neill will give a lecture to the IAS in Dunsink Observatory, Castleknock, Dublin, on Monday 1st, at 8 p.m. Entitled "Wonderful Eclipses: The Greatest Saros", it will look at some of the best total solar eclipses to be seen. ...
... Time: 8 p.m until about 11 p.m. No extra charge, but WWT normal admission charges apply. €а . ... а IAS Talk in Dunsink Observatory, Dublin, 21 October, at 8 p.m. "The Herschel Space Observatory: The Golden Age of Space-Based ...
... The redoubtable John Flannery, well known to amateur astronomers throughout Ireland, will be giving a lecture to the EAAS, Ballyrobert Primary School, Co Antrim, on Monday evening, 6 December, at 8 p.m., entitled "From the Blue Sky to the Zodiacal Light ...
... mainly characterised by features seen at 9:8 Їm and 18 Їm, due to silicate grains ... to see an absorption feature at around 7:8 Їm, although at this stage it cannot be ...
... is M / M = 0.4 - 0.9, log Teff /K = 4.20 - 4.60 and log L/M = 0.4 - 3.8 (solar units ... 02 and enhanced iron (f = 10); log L/M = 1.8 was chosen to b e representative of the ...
... of more active models by increasing the mass loading up to log m ffi = \Gamma3:8 ... model atmosphere with chromosphere type 2A, log m ffi = \Gamma3:8 and log r TR T = 7 ...
... model (Tff = 40000 K, e log g = 4.0, log L/L = 5.8, M = 10-7 M /yr, v = 2600 km s-1 ... of these lines can be reproduced with an average "density" M /v of about 1.8 в 10-9 ...