... GRIN lenses for telecommunication optics applications ? GTC (gradient telecom) lenses. ... GTC lenses are used in different fiber-optic devices: collimators, couplers, isolators and WDM etc . ... 2.Diameter . GTC lenses diameters are 1.0 mm, 1.8 mm, 3.0 mm and 4.0mm. ... 1.0 mm -3.0 mm diam GTC lenses are supplied in 0.22P, 0.23P, 0.25P, 0.27P and 0.29P length. 4.0 mm diam GTC lenses are supplied in 0.11P length. ... GTC . ... 3 scratches with 5mkm max width and 200mkm max length are allowed . ...
... The VSOP Symposium proceedings, "Astrophysical Phenomena Revealed by Space VLBI" have been published and have been distributed to participants. ... Following the successful launch of the VLBI Space Observatory Programme (VSOP) satellite HALCA in February 1997 there have been many exciting results from space VLBI observations. ... Also, check the newly revised getting to ISAS page which has links to pictorial "Getting to ISAS from Fuchinobe" and "Getting to the Dai-Ichi Hotel from Fuchinobe" pages! ...
... Astrophysics Data System Abstract Service - The ADS Abstract Service provides access to over 160,000 astronomical abstracts since 1975. Astrophysics Revision Site . ... Common Astrophysics Acronyms . Gravitational Wave Detector GEO 600 - aims at the direct detection of gravitational waves by means of a laser interferometer of 600 m wavelength. ... Secrets of Creation - new theory on the creation of the Universe, the Big Bang, parameters of the Universe, fundamental laws of the Universe. ...
Электронная библиотека астронома-любителя. ... архив RSN . ... Ru.Space.News: . Сентябрь 1998 . ... Дата: 25 сентября 1998 (1998-09-25) От: Alexander Bondugin Тема: Penn State Researchers To Explore Origins of Life (Forwarded) Привет всем! ... Дата: 25 сентября 1998 (1998-09-25) От: Alexander Bondugin Тема: Health research in space for the benefit of Canadians (Forwarded) Привет всем! ... Дата: 25 сентября 1998 (1998-09-25) От: Alexander Bondugin Тема: Atlantis modifications images Привет всем! ...
Supernova 2001V in NGC 3987 . This page is devoted to information on Supernova 2001V in NGC 3987 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the Supernova links web page. ... Rafael Ferrando has created an animated GIF of this supernova from all of the images he has made. ( local mirror ) . ... 2001/02/18.099 . ... Cedric Leyrat image . ...
... The spectrum of the brightest star, our Sun, shows several dark gaps perpendicular to the flow of it’s colours (figure 1). These so called spectral absorption lines where discovered in 1802 by the English scientist William Wollaston. ... Some stars as Pollux show a spectrum similar to that of our sun with strong Ca II and Fe II lines, others as Sirius or Vega show strong absorption lines of hydrogen, others, as Mira show very complicated spectra due to molecular absorption lines (see figure 5). ...
... A.Tsivilev (Pushchino Radio Astronomy Observatory) "Investigation of Orion A nebula by radio recombination lines". ... T.D.Dorokhova (Astronomical observatory of Odessa national university) «Researches of rapidly oscillating Ap stars». ... N.V.Grabko (Odessa State Ecological University), M.I.Ryabov (Odessa Observatory of IRA NANU) "Space Weather and us: influence of change of a condition of solar and geophysical activity on reaction of various systems of an organism of the person". ...
... 9) Oknyanskij V.L. 1994, "Optical-radio time delays in Q0957+561", Odessa Astronomical Publ., ... 11) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", in Proceedings of Int. Conf. ... 1994. 12) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", Astrophys. and Space Science, 222, p.157. ... 14) Oknyanskij V.L., van Groningen E., 1997, "Optical spectral variability of NGC4151 in 1990", Astronomical and Astrophys. ...
... Astrometric Observations of the Second, Third, and Fourth Satellites of Uranus I. S. Izmailova, S. A. Korotkiib, M. V. Ereshkob, and A. V. Stepurab a Pulkovo Observatory of the Russian Academy of Sciences, Pulkovskoe shosse 651, St. Petersburg, 196140 Russia b Ka-Dar Observatory, 1-i Neopalimovskii per., ... ASTROMETRIC OBSERVATIONS 43 To determine the center coordinates and other parameters of a satellite or a star image, we solved a redundant system with the nonlinear least-squares method. ...
... Киевский клуб любителей астрономии "Астрополис" > . ... Оборудование (Модераторы: LifeIsGood , Hornet ) > . Canon адресует камеру EOS 60Da любителям астрофотосъемки . ... Оборудование и телескопы . ... 03 Апрель 2012, 11:44:38 ? ... Камера EOS 60Da, представленная компанией Canon, по словам производителя, оптимизирована для астрофотосъемки. ... Совместно с EOS 60Da можно использовать объективы Canon EF и EF-S, а также другие принадлежности для съемки системы EOS. ... зенит ЕТ Canon EOS 10d . ...
Director : Rex Parker (609) 730-0670 drexparker@aol.com ereal times id s The Official Publication of the Amateur Astronomers Association of Princeton Treasurer: Brian VanLiew (908) 281-7857 vanliew@rcn.com Secretary: Ludy D'Angelo (609) 882-9336 ldangelo106@comcast.net Program Chairman: Ken Kremer (609) 558-4955 ken@princetonastronomy.org Editor: Victor Belanger (609) 448-8598 vic@apink.com Assistant ... His talk at AAAP is: "Postcards from Mars: Spirit and Opportunity Roam the Red Planet". ...
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HD 37124 . HIP 26381 . ... Расстояние от Солнца . ... Масса ( солнечных масс ) . ... полуось , а.е. m sin i , . масс Юпитера . ... перицентра . ... открыта в 1999 году . ... Расстояние в перицентре - 0.505 а.е. Расстояние в апоцентре - 0.563 а.е. HD 37124 c . Расстояние в перицентре - 1.5 а.е. Расстояние в апоцентре - 1.92 а.е. HD 37124 d . Расстояние в перицентре - 2.36 а.е. Расстояние в апоцентре - 3.26 а.е. Радиус эффективной земной орбиты (показана зеленым цветом) - 0.77 а.е. ...
No. Name R.A.,Decl., 2000.0 Max Min Type Ref. Epoch Period M-m Spectrum h m s o ' " m m JD200000+ d 780001 V956 Cas 00 05 05.4 +59 39 01. 14.2 17.2 B IS: 001 002 780002 CD Scl 00 06 20.8 -35 17 13. 12.7 14.2 V RRAB 130 004 52068.835 0.57769 20 A0 780003 V439 And 00 06 36.8 +29 01 17. 6.13 ( 0.04 ) V BY 005 DM K0Ve 780004 V957 Cas 00 09 45.7 +50 30 39. 11.6 12.8 * SR: 006 USNO 780005 V958 Cas 00 10 48.5 +57 29 27. 8.8 9.8 * SR: 006 GSC 780006 V959 Cas 00 12 02.7 +55 05 19. 12.0 12.6 * EW 006 GSC 040