... Behemoth black hole found in an unlikely place . ... black holes . ... Observing springtime deep-sky objects with a large telescope . ... Could large numbers of black holes account for much of the "dark matter" estimated to exist in our universe? ... NASA, ESA, M.J. Jee and H. Ford (Johns Hopkins University) No, because the universe never had the raw material to grow enough black holes to account for current estimates of dark matter. Get instant access to subscriber content on Astronomy.com! ...

. Full screen versions . Number - magnitude counts . Number - redshift counts . | Front page | . | << - Redshift wedge | Completeness estimates - >> | . Robert J. Smith, ">rsmith@mso.anu.edu.au Last modified: Fri Sep 24 11:39:02 EST 1999 .

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Winer Observatory) was incorporated in 1983 as a 501(c)(3) non-profit public charity to perform basic research in astronomy, provide educational outreach programs, and provide site and maintenance services for small telescopes through cooperative agreements with other astronomical institutions. ... The picture at the top left of this page is of our facility near Sonoita, Arizona, approximately 50 miles southeast of Tucson, Arizona. ...

... Arithmetic Functions . Random Numbers . String Conversion . Searching and Sorting . ... There are 4 basic integer functions: . int abs(int number); long int labs(long int number); div_t div(int numerator,int denominator); ldiv_t ldiv(long int numerator, long int denominator); . ... In practice no functions produce truly random data -- they produce pseudo-random numbers. ... The stdlib.h provides 2 useful functions to perform general searching and sorting of data on any type. ...

home membership . SEARCH ASP SITE: Match ALL words Match ANY word . General/ Technical Membership Form for new members . Renewal General/ Technical Membership Form . Gift Membership Form (New & Renewal) . Member Change of Contact Info . ... ASP E-mail Newsletters . ... Membership Number . ... Institution (leave blank if using home address) . Department (leave blank if using home address) . Street Address . ... New Phone . ... Previous Phone . ... home | ... membership | ...

... Simulation Images . Simulations of convection in stars . Mach-numbers in a simulation of convection inтАж . ... Title: Mach-numbers in a simulation of convection in the sub-giant Eta Boo . Description: The mach-number is the local speed in units of the local sound speed, with values above 1 being super-sonic. ... Mach-numbers in a simulation of convection in the sub-giant Eta Boo The mach-number is the local speed in units of the local sound speed, with values above 1 being super-sonic. ...

SIMPLE = T / file does conform to FITS standard BITPIX = -32 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 1138 / length of data axis 1 NAXIS2 = 1114 / length of data axis 2 TELESCOP= 'UT1 ' PI-COI = 'C. Cesarsky' / Name of PI and COI ORIGIN = 'ESO/EIS ' / Data processed by RA = 53.0917713808546 / RA (J2000) at start (deg). ... RADECSYS= 'FK5 ' / Coordinate reference frame. ... TOT-IMAG= 125 / Total number of images. ... MOSTILES= 21 / Total number of tiles in MOSAICID. ...

... Telescopes . ... The spectrograph is installed in the Nasmyth focus of the BTA telescope, the equivalent focal length is 186 m (F/31). ... The preslit device unit is marked by number 3. ... Fig. ... slit unit of the MSS, 4.1 ? ... The spectrograph slit unit consists of a mirror that redirects the light beam from the Z axis and from the calibration path at an angle of 65њ to the axis of the telescope focus into the slit, the order separation filter, the block of the slit and the shutter (Item 4 in...

... The described algorithm is suitable for measurements of complex images of stars. ... a) the zero-based number of stars in the complex (multicentric) image, . b) set of preliminary coordinates - x i , y i , for all stars, index i is number of a star, . ... i - index of a star in the complex image; . ... These parameters are calculated by a nonlinear method of a least squares.The main output parameters of this algorithm are x i , y i ; where the index i is number of a star in the multicentric image. ...

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... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

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... For example, IKI is located near Kaluzhskaya station of the orange colored line (line number 6). [pic] To help you find your way, there are several multicolored metro maps in every car, and a loud speaker that announces the name of the station at every stop. ... After you got out the train doors, turn right and proceed to the escalator (moving staircases) in the direction of your train movement. ... Enter the Kaluzhskaya metro station, go downstairs and take the train on the RIGHT side. ...

... We have compared visualized fields of GSC and USNO A1.0 catalog with unpublished photographic finding charts that were sent by L. Plaut to the compilers of the GCVS. ... 7-15 A9 --- GCVS GCVS or NSV name 17-25 F9.4 --- GSC GSC number 26 A1 --- NoteFlag *Nonstar (GSC) flag 28-29 I2 h RA2000GSC.h Hours RA (GSC), equinox 2000.0 31-32 I2 min RA2000GSC.m Minutes RA (GSC), equinox 2000.0 34-38 F5.2 s RA2000GSC.s Seconds RA (GSC), equinox 2000.0 40 A1 --- DE2000GSC.- ... Plaut, L., 1966, Bull. ...

Pulkovo Photographic Plate Database . To find a certain plate, type its number, choose instrument and click button FIND Instrument: Normal Astrograph 26-inch refractor Plate number: . To find plates with a certain sky area: choose instrument, type coordinates (R.A. and Dec.) of the center of this area, type radius of this area, type (optionally) names of required objects, and click button FIND . ...

Contents. planet: 5 - Jupiter satellites: J7 - Elara : 12, J8 - Pasiphae : 6, J10 - Lysithea : 12, J11 - Carme : 16, J12 - Ananke : 3, J13 - Leda : 3 total number: 52 type: absolute dates: 1992, 1993, 2003 observatory: 568 - Mauna Kea 691 - Steward Observatory, Kitt Peak-Spacewatch 938 - Linhaceira Reference. ... 691 - J. Scotti 938 - R. Goncalves. data included in standard data file: no Comments. ... Hour of right ascension (alpha, h) 6. ... Degree of declination (delta, deg) 9. ...

. Произведение и частное двух чисел . число A: число B: знаков после запятой: .

... Content Model: Optional list header (LH), followed by one or more list items (LI) . An ordered list typically is a numbered list of items. ... The numbering style is left to associated style sheets, e.g. whether nested lists contribute to a compound item number, e.g. "3.1.5", or whether numbers are rendered as arabic, upper or lower case roman numerals or using the numbering scheme appropriate to the language context. ... CLASS . ... The CLEAR attribute allows you to move down unconditionally: . ...

The selection of the quietest days (Q-days) and most disturbed days (D-days) of each month is deduced from the Kp indices on the basis of three criteria for each day: . ... In order to indicate such a situation, selected days which do not satisfy certain absolute criteria are marked as follows. ... A selected disturbed day is considered not really disturbed and marked by an asterisk ( * ) if Ap less than 20. ... January 2000 - recent . January 1990 - December 1999 . ...

... Термин "number" . ... azimuthal quantum number : . см. orbital quantum number . Bessel's day numbers : . ... day numbers : . ... effective quantum number : . эффективное квантовое число . ... independent day numbers : . ... inner quantum number : . ... magnetic quantum number : . ... molecular quantum number : . ... principal quantum number : . ... quantum number : . ... radial quantum number : . ... spin quantum number : . ... total quantum number : . ... vibrational quantum number : . ...