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Copyright Disclaimer Under Section 107 of the Copyright Act 1976?Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use. Unless you are in this field of investigative journalism, especially covering extremely sensitive subjects and potentially dangerous subjects as well, you simply cannot understand the complexities and difficulties involved with this work that I face every day.

Monday, May 4, 2015

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TAT'S 2MIN NEWS November 28, 2013 COMET ISON, R I P

Updated Images, Comet ISON approaches the Sun, Nov 28, 2013

Planetary Alignment / Earthquake Watch Nov 29-30, 2013

SOLAR ULTRAVIOLET MEASUREMENTS OF EMITTED RADIATION

There is a version in German language for some of these pages.
Es gibt eine deutschsprachige Version für einige dieser Seiten.

Descriptions: Instrument and reduction of SUMER Data | SUMER Investigation | SUMER Performance Characteristics
Participation: SUMER Institutions | SUMER Team | Pictures from Workshops
Data: SUMER Data and Analysis resources | SUMER File Catalogue | SUMER Image data base
Data reduction: Data Corrections Cookbook | Radiometric Calibration and Corrections |
Reference information: SUMER Spectral Line List (the Atlas) | Disk Atlas (PDF) | Coronal Atlas (PDF)
Special Information for observers: Operations Guide | Coordinates | Weekly Planners
History: Pre-launch images | Launch | Commissioning | SOHO Recovery
Campaigns: Doppler Shifts in X-ray Jets 1999/2000 | JOP104 Papers | Flare Watch 2001 | 2002
Publications: SCIENCE Publications | Wavelength measurements | SUMER Atlas of Solar Images
MPS database: List of SUMER-publications with MPS authors
List of publications with SUMER-Data up to 2005
Results: SUMER Picture Gallery | SUMER Slide Shows | SOHO Hot Shots with SUMER
Press Releases: 21 Aug 2001 | 27 Jun 2002 | ESA 22 APR 2005
Home Pages: MPS | ESA | NASA | GSFC | SOHO

Welcome to the SUMER pages, based at the Max Planck Institute for Solar System Research (MPS). SUMER is a VUV telescope and spectrometer, designed and built at this institute from 1987 to 1995 with international cooperation. It is now an instrument on board the ESA/NASA spacecraft SOHO, which was launched on 02 December 1995. Since the beginning of 1996, SUMER operates on SOHO at a distance approximately 1.5 million kilometers from Earth towards the Sun and delivers research data about the solar atmosphere that are analysed and archived at MPS and other institutions. SUMER has now been put in hibernation since August 2014.

Example: SUMER raster scan of magnetic loops

The structure of magnetic loops over an active region at the solar limb, observed by SUMER on 06 May 1996. Left: Intensity image of the emission line O VI 1037, formed in the transition region at a temperature around 300 000 K. Right: Doppler shift image of the same line; blue denotes movement towards the observer, red denotes movement away from the observer. More examples in the SUMER Picture Gallery and the SUMER Slide Shows.

09 APR 2015 (Udo Schühle)

SIMBAD Astronomical Database

Queries

basic search

by identifier

by coordinates

by criteria

reference query

scripts

TAP queries

options

Display all user annotations

Documentation

User's guide

Query by urls

Nomenclature Dictionary

Object types

List of journals

Measurement description

Spectral type coding

User annotations documentation

Information

Presentation

Acknowledgment

Release:

SIMBAD4 1.225 - Feb-2015

Content

The SIMBAD astronomical database provides basic data, cross-identifications, bibliography and measurements for astronomical objects outside the solar system.

SIMBAD can be queried by object name, coordinates and various criteria. Lists of objects and scripts can be submitted.

Links to some other on-line services are also provided.

*Statistics*
Simbad contains on 2015.05.04
7,703,373	objects
21,909,236	identifiers
303,576	bibliographic references
11,364,767	citations of objects in papers

Acknowledgment

If the Simbad database was helpful for your research work,
the following acknowledgment would be appreciated: This research has made use of the SIMBAD database,
operated at CDS, Strasbourg, France

2000,A&AS,143,9 , "The SIMBAD astronomical database", Wenger et al.

Basic search

SIMBAD on the Web is the WWW interface to the SIMBAD database. It offers the following functionalities:

Query by identifiers and around identifiers
Query by coordinates, specifying the radius and the equinox
Query by bibcode and partial bibcode
Sampling with a set of physical criteria
Query by lists of objects, coordinates or bibcodes
Display charts for list of objects resulting from coordinates query

Moreover, the interface provides links with many other data services :

Links to the other CDS services: Tables in VizieR, giving access to the whole catalogued data, links to Aladin images, surveys and observatory logs.
Through the coordinates in basic data, you can query around an object, using a provided radius.
Identifiers are linked to the nomenclature dictionary, providing full description of original list, and, when available, offering direct access to the corresponding catalogue in the CDS catalogue service (VizieR and Bazaar)
Every bibcode is a link to the underlying bibliographic information, either at CDS, at ADS, or at the journal site when available. Links to the full text of paper are available in most cases.
For articles containing tables stored at CDS, the reference provides also a link to the table or catalogue.
A link to the Heasarc database (NASA/GSFC) is proposed when an object has identifiers in high energy catalogues.
IUE measurements contain an anchor which points to the spectra stored in the INES database.
The maps produced by coordinate queries are cliquable and return the object information from SIMBAD.

SIMBAD on the Web has all the functionalities provided by XSimbad, after the addition of list queries in March 2001. XSimbad software is thus not maintained any more.

SUMER Spectral Atlas

(W. Curdt) The SUMER solar-disk spectral atlas by Curdt et al. (A&A, in press, 2001) includes profiles of the average quiet Sun (black), an equatorial coronal hole (blue), and a sunspot (red). Resolved emission lines are indicated by a mark, the measured wavelength in angstrom (Å), and the identification, if available. The marks point to line lists available in the literature, where additional information about a specific line can be found. Squares point to Feldman et al. (ApJS 113, 195, 1997), circles to Curdt et al. (A&AS 126, 281, 1997), diamonds to Kelly (J. Phys. Chem. Ref. Data 16, 1, 1987), Cohen et al. (ApJS 37, 393, 1978), or Sandlin et al. (ApJS 61, 801, 1986). Triangles are new lines or identifications. Filled symbols denote lines observed in first order of diffraction, open symbols are second-order lines. Only the three least-significant digits of the wavelength values are given. If available, unidentified lines are characterized by the temperature classification a: below 3 10⁵ K, b: approx. 3 10⁵ K, c: approx. 4 10⁵ K, d: 6 10⁵ to 9 10⁵ K, e: approx. 1.4 10⁶ K, f: approx. 1.8 10⁶ K. The vertical axis is scaled to mW sr¯¹ m¯² Å¯¹; on the left the radiometric calibration for the first order lines is given, on the right for second order lines. Note that second-order lines are always superimposed on a first-order background. We have taken care of the type of photocathode (bare or KBr) when applying the radiometric calibration to different sections of the spectrum. We also display in green the BN/CI ratio, which is a useful parameter for electron temperature classification. (Spectra and a line list will be available at http://cdsweb.u-strasbg.fr/Simbad.html).
Since the images may not be suitable for screen resolution, we provide them as Postscript files (60 to 150 KB size) for colour printers, each of them containing two pages: