Updated
8/3/2006
7/29/2006
7/28/2006
7/17/2006 - released
7/03/2006 - created


TABLE OF CONTENTS
Go to Equipments & Telescopes
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Equipments & Telescopes

#
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2MASS = Two-Micron All Sky Survey (infrared telescope)
A
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AAVSO = American Association of Variable Star Observers
ACIS = ??? (anboard detector on Chandra X-Ray Observatory)
ACS = Advanced Camera for Surveys (on Hubble Space Telescope)
ALMA = Atacama Large Millimeter/Submillimeter Array
AO = Adaptive Optics
ASI = Agenzia Spaziale Italiana
C
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CIAO = Chandra Interactive Analaysis of Observations
CSA = Canadian Space Agency
CSO = Caltech Submillimeter Observatory (telescope)
COBE = Cosmic Background Explorer (satellite)
COROT = COnvection ROtation (space telescope)
D
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DSN = Deep Space Network
E
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ESA = European Space Agency
ESO = European Space Observatory
EUVE = Extreme Ultraviolet Explorer (satellite)
EVN = European VLBI Network
G
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GHRS = Goddard High Resolution Spectrograph
GMRT = Giant Meter Radio Telescope
H
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HDF = Hubble Deep Field, photos of the deepest parts of the universe
HRC-I = High Resolution Camera (on Chandra X-ray satellite)
HST = Hubble Space Telescope
I
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IRAC = Infrared Array Camera (instruments on Spizter)
ISO = Infrared Space Observatory (satellite)
J
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JAXA = Japan Aerospace eXploration Agency
JPL = Jet Propulsion Labratory (NASA)
JWST = James Webb Space Telescope
L
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LIGO = Laser Interferometer Gravitational Wave Observatory (similar to LISA)
LINEAR = Lincoln Laboratory Near Earth Asteroid Research
LISA = Laser Interferometer Space Antenna (similar to LIGO)
M
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MIPS = Multiband Imaging Photometer (instruments on Spizter)
MOST = Microvariability and Oscillations of STars project (satellite telescope)
N
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NASA = National Aeronautics and Space Administration
NEODys = ??? (Italian)
NEOIC = Near Earth Object Information Center (British)
O
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OGLE = Optical Gravitational Lensing Experiment
OPAG = Outer Planets Assessment Group (NASA)
P
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PAMELA = Payload for Antimatter Matter Exploration and Light-Nuclei Astrophysics
- studies of antimatter and dark matter (space-base)
PAN-STARRS = the Panoramic Survey Telescope & Rapid Response System (telescope)
PCA = Proporational Counter Array (on board RXTE)
R
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RASS = ROSAT All-Sky Survey (component of ROSAT)
RXTE = Rossi X-Ray Timing Explorer (satellite)
S
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SAS = Science Analysis Software
SCUBA = Sub-millimetre Common User Bolometer Array
SDSS = Sloan Digital Sky Survey (telescope)
SETI = Search for Extra-Terrestrial Intelligence
SIM = Space Interferometer Mission (space telescope)
SQIID = Simultaneous Quad Infrared Imaging Device
SOFIA = Stratospheric Observatory for Infrared Astronomy (on a 747 plane and is 3x better than Spitzer Space Telescope)
SOHO = Solar and Heliospheric Observatory (satellite)
T
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THEMIS = Mars Odyssey's Thermal Emission Imaging System (team in Arizona)
TPF = Terrestrial Planet Finder (space telescope)
U
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UKIRT = United Kingdom Infrared Telescope
V
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VLT = Very Large Telescope
W
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WFC = Wide-Field Channel, (viewing through the ACS of the HST)
WHT = William Herschel Telescope
WMAP = Wilkinson Microwave Anisotrophy Probe



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K
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KBO = a Kuiper Belt Object, planetoid, (dated).
L
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LBV = Buminous Blue Variable
LCDM = Lambda Cold Dark Matter
LIC = is the Local Interstellar Cloud
LIRG = Luminous Infrared Galaxy (similar to ULIRG)
LMC = Large Magellanic Cloud galaxy
LMS = Lower Main Sequence star (opposite LMS)
LMXB = is a Low-Mass X-Ray Binary
LRG = Luminous Red Galaxy
M
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MACHO = MAssive Compact Halo Object
MBH = Massive Black Hole
MECO = Magnetospheric Eternally Collapsing Object
MW = Milky Way galaxy
MWD = Magnetic White Dwarf
MYSO = Massive Young Stellar Object
N
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neb = nebula
NEA = a Near-Earth Asteroid
NEO = a Near-Earth Object
NS = Neutron Star
O
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OCO = an Oort Cloud Object
P
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PHA = is a Potentially Hazardous Asteroid.
PMO = a Planetary-Mass Object
PMS = a Pre-Main-Sequence Star
PN = Planetary Nebula
PNe = Planetary Nebula with emissions
PNN = Planetary Nebula Nuclius
PNNV = Pulsating Planetary Nebula Nuclius
Proplyd = Protoplanetary Disk
R
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RC = Red Clump stars, cluster of red giant stars at the galactic center
RLQ = Radio Loud Quasar (opposite = RQQ)
RRAT = Rotating Radio Transient, (calm neutron star, radio pulsar)
RCG = Red Clump Giant stars in the galactic bulge
RGB = Red-Giant Branch star
RQQ = Radio Quiet Quasar (opposite = RLQ)
RSG = Red Super Gsiant
S
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sd = a Subdwarf star
sDB = Subdwarf B star
SDO = a Scattered Disk Object, planetoid
sDO = Subdwarf O star
sDOB = Subdwarf OB star
SGR = a Soft Gamma Repeater neutron star, (substar)
SKBO = a Scattered Kuiper Belt Object, planetoid, (dated)
SMBH = Super Massive Black Hole
SMC = Small Magellanic Cloud galaxy
SMO = Substellar Mass Object OR Stellar Mass Object
SN = a Supernova explosion.
SNe = a Supernove explosion with emission source
SNR = a Supernova Remnant nebula.
SS = a Symbiotic Star.
T
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TAMS = Terminal-Age Main Sequence
TNO = a Trans-Neptunian Object, planetoid
TTS = a T-Tauri Stars
TWA = TW Hydrae Association
TZO = Thorne-Żytkow Object binary, where the neutron star may merge with an O giant or a W giant star, possibly forming WN8 star
U
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UGSU = SU Ursae Majoris type star system (cataclysmic variable type)
UGWZ = WZ Sagittae type star system (cataclysmic variable type)
Ulirg = Ultraluminous Infrared Galaxy, (usually 2 spiral galaxies in a process of merging into one)
ULX = Ultraluminous X-Ray source
UMS = Upper Main Sequence star (opposite UMS)
V
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VBL = a Very Blue Luminous object
VeLLO = is a Very Low Luminosity Object
VLMO = a Very Low Mass Object
W
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WC = a Carbon-rich Wolf-Rayet star
wD = a White Dwarf star,(substar)
WIMP = Weakly Interacting Massive Particle
WN = a Nitrogen-rich Wolf-Rayet star
WNE = a ??? Wolf-Rayet type star
WNL = a ??? Wolf-Rayet type star
WR = a Wolf-Rayet star, (generic)
WTTS = Weak-Line T-Tauri Star
X
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XRF = an X-Ray Flash explosion
Y
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Ys = Yellow Straggler
YSG = a Yellow Super Giant star
YSO = a Young Stellar Object
YSO ordering, [ YSO I, YSO II, YSO III, & ZAMS ]
- YSO I = Protostar (Gravitational Collapse, Beginning to Spin)
- YSO II = Classical T-Tauri Star [CTTS] (contains a Disk Accretion and Jets)
- YSO III = Weak Line T-Tauri Star [WTTS] (disintegration of disk, beginning of Fusion)
Z
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ZAHB = "Zero-Age" Horizontal-Branch objects
ZAMS = Zero Age Main Sequence, beginning of core fusion, possible planet and/or system



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H
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HB = Horizontal Branch (stellar evolution)
HBMM = Hydrogen Burning Minimum Mass
HIPASS = HI Parkes All-Sky Survey catalog of galaxies
I
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IMF = Initial Mass Function
L
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LF = Luminosity Function
LTE = Local Thermodynamic Equilibrium
Luminosity:
Ls = Luminosity compared to the Sun (Sol)
L¤ = Luminosity compared to the Sun (Sol)
M
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Mass:
- Me = Mass compared to Earth
- Mj = Mass compared to Jupiter
- Ms = Mass compared to the Sun (Sol)
- M¤ = Mass compared to The Sun (Sol)
MHD = Magnetohydrodynamic
MMR = Mean-Motion Resonance
MOID = is the Minimum Orbit Intersection Distance.
MOND = Modified Newtonian Dynamics
N
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NHICAT = Northern HIPASS Catalgue, northern extension of the HIPASS catalogue
NIR = Near-InfraRed
NLTE = Non-Local Thermodynamic Equilibrium
- LTE methods does not apply to stars hotter than 30,000K
NT = Non-Thermal (radiation, emission, etc., a prefix)
O
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Orbital Parameters of a Cosmic Object:
- á = Ref
- ä = Dec
- e = eccentricity
- a = semi-major axis
- q = perihelion (peri-?)
- Q = aphelion (ap-?)
- P = orbital period
- i = inclination
- Ω = longitude of ascending node
- ω = argument of perihelion
- M = mean anomaly
- d = distance
- d in km = kilometer
- d in AU = astronomical unit
- d in ly = light year
- d in pc = parsec
- d in kpc = kiloparsec (1000 x 1pc)
P
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? PDR = is Photodissociation Region.
? PDR = Photon Dominated Region
PNLF = Planetary Nebula Luminosity Function
Q
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QPO = Quasi-Periodic-Oscillation
R
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Radius:
- Re = Radius compared to Earth
- Rj = Radius compared to Jupiter
- Rs = Radius compared to The Sun (Sol)
- R¤ = Radius compared to The Sun (Sol)
RDI = Radiation Driven Implosion
RLOF = Roche Lobe Overflow
RV = Radial Velocity
S
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SB = Surface Brightness
SED = Spectral Energy Distribution
Spectral Descriptor:
- W = Wolf-Rayet type spectra
- WN = Nitrogen-Rich Wolf-Rayet type spectra
- WC = Carbon-Rich Wolf-Rayet type spectra
- O = Very Blue (purpleish) type spectra
- B = Blue Star type spectra
- A = White (greenish) Star type spectra
- F = Yellow-White Star type spectra
- G = Yellow Star type spectra
- K = Orange Star type spectra
- S = Balanced Carbon/Oxygen Star type spectra
- C = Carbon Star type spectra
- M = Red Star/Substar type spectra
- L = Lithium Substar type spectra
- T = Methane Substar type spectra
- Y = Ultra-Cool Dwarf type spectra
- DA = Hydrogen White Dwarf
- DAB = Hydrogen- and Neutral Helium-rich White Dwarf
- DAO = Hydrogen- and Ionized Helium-rich White Dwarf
- DAV = Hydrogen-rich Pulsating Variable White Dwarf
- DAZ = Hydrogen-rich Cool Metallic White Dwarf
- DB = Neutral Helium-rich White Dwarf (He I lines)
- DBV = Helium-rich Pulsating Variable White Dwarf
- DBZ = Helium-rich Cool Metallic White Dwarf
- DO = Ionized Helium-rich White Dwarf (He II lines)
- DOV = Pulsating Helium-rich White Dwarf
- DC = Continuum Spectra White Dwarf
- DQ = Carbonaceous White Dwarf (Atomic/Molecular features)
- DZ = Metallic White Dwarf (Mg, Ca, Fe lines)
- DX = Spectral lines are insufficiently clear to classify
Spectral Subdescriptor:
- : = bleeding and/or uncertain spectral value
- = undescribed spectral pecularities exist
- comp = composite spectrum
- e = emission lines
- [e] = "forbidden" emission lines present
- er = "reversed" center of emission lines weaker than edges
- ep = emission lines with peculiarity
- eq = emission lines with ^P-Cygni//gr 304.446667, 38.032944^ profile
- ev = spectral emission that exhibits variability
- f = NIII and HeII emission
- (f) = Weak emission lines of He
- ((f)) = No emission of He
- He wk = Weak He lines
- k = spectra with interstellar absorption features
- m = enhanced metal features
- n = broad ("nebulous") absorption due to spinning
- nn = very broad absorption features due to spinning very fast
- neb = a nebula's spectrum mixed in
- p = peculiar spectrum, strong spectral lines due to metal
- pq = peculiar spectrum, similar to the spectra of novae
- q = red & blue shifts line present
- s = narrowly "sharp" absorption lines
- ss = very narrow lines
- sh = shell star
- v = variable spectral feature (also "var")
- w = weak lines (also "wl" & "wk")
- d Del = type A and F giants with weak calcium H and K lines, as in prototype ^delta Delphini//gr 310.8647916, 15.074694^
- d Sct = type A and F stars with spectra similar to that of short-period variable ^delta Scuti//gr 280.568417, -9.0525556^
- ! = special peculiarity
If abnormally abundant amount of element, list that element,
- Si = abnormally strong silicon lines
- Ba = abnormally strong Barium
- Cr = abnormally strong Chromium
- Eu = abnormally strong Europium
- He = abnormally strong Helium
- Hg = abnormally strong Mercury
- K = abnormally strong Calcium line
- Mg = abnormally strong Manganese
- Sr = abnormally strong Strontium
Luminosity Descriptor:
- 0 = Hyper Giant Class
- I = Super Giant Class
- Ia =
- IIab =
- Ib =
- II = Giant Class
- IIa =
- IIab =
- IIb =
- III = Subgiant Class
- IIIa =
- IIIb =
- IV =
- V = Dwarf Class (Main Sequence Stars)
- Va =
- Vab =
- Vb =
- VI = Subdwarf Class (rarely used)
- VII = White Dwarf class (rarely used)
SFR = Star Formation Rate
V
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VHE = Very High Energy, associated with gamma rays
VLM = Very Low Mass
Z
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z = Metallicity



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