Measurements in SIMBAD


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List of available measurement catalogs :

Diameter collection of stellar diameters
Distance collection of distances (pc, kpc or Mpc) by several means.
Fe/H collection of stellar parameters (Teff, log(g) and [Fe/H] metallicity) taken from the literature.
Herschel The Herschel observing Log
ISO Infrared Space Observatory (ISO) observing log
IUE International Ultraviolet Explorer observing log
SpT collection of spectral types
Plx collection of trigonometric parallaxs
PM collection of proper motions
Rot Stellar Rotational Velocities.
Var collection of stellar variability types and periods
Velocities collection of HRV, Vlsr, cz and redshifts
XMM XMM observing log

Diameter collection of stellar diameters
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Display format:
          0         1         2         3         4         5    
01234567890123456789012345678901234567890123456789012345678901234
| diameterQ unit| error | filter | method | Reference |
-------------------------------------------------------------------
| 3.15E-05 mas |0.10E-05 |B |6A |2001A&A...367..521P|
fieldname data type description votable type UCD Unit
diameter float8 Diameter value double PHYS.ANGSIZE
Q char(1) Quality code (':' for uncertain) char META.CODE.QUAL
unit char(4) Unit (mas or km) char META.UNIT
error float8 Error on the diameter value double STAT.ERROR
filter char(8) filter or wavelength char INSTR.FILTER
method char(8) calculation method (see 2001A&A...367..521P)
FundStP = Fundamental Stellar Parameters
char INSTR.SETUP
reference char(19) Bibcode char META.BIB.BIBCODE

Distance collection of distances (pc, kpc or Mpc) by several means.
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Display format:
          0         1         2         3         4         5   
0123456789012345678901234567890123456789012345678901234567890123
| distance Q unit | err- err+ | method | Reference |
------------------------------------------------------------------
| 17.3 Mpc | -0.2 +0.6 |ST-L |2000A&A...356..849G|
fieldname data type description votable type UCD Unit
distance float8 Distance value double POS.DISTANCE
Q char(1) Quality char META.CODE.QUAL
unit char(4) Unit (pc,kpc or Mpc) char META.UNIT
err- float8 minus error double STAT.ERROR
err+ float8 plus error double STAT.ERROR
method char(8) distance calculation method
Cep, RRLyr : Stars. period-luminosity relationship
T-RGB : Stars. Tip of the Red Giant Branch
ST-L : Stars. Inferred from photometry and spectral type
T-F : Galaxies. Tully-Fisher relation
Redshift: Galaxies
SBF : Galaxies. Surface Brightness Fluctuation
Kin : galactic objects. kinematic distance
CaIIHK : Observation of spectral lines
paral : parallax
char INSTR.SETUP
reference char(19) Bibcode char META.BIB.BIBCODE

Fe/H collection of stellar parameters (Teff, log(g) and [Fe/H] metallicity) taken from the literature.
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Display format:
          0         1         2         3         4      
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| Teff log_g| Fe_H *|CompStar |CatNo| Reference |
-----------------------------------------------------------
| 5196 4.5 |-1.40 M|SUN |F4716|1991ApJS...77..515L|
fieldname data type description votable type UCD Unit
Teff int4 Effective Temperature int PHYS.TEMPERATURE.EFFECTIVE unit-degK
log.g float4 Decimal logarithm of the surface gravity float PHYS.GRAVITY cm/s**2
Fe_H float4 Metallicity index relative to the Sun, in a log scale
A value of [Fe/H] = -1.0 therefore means a metal abundance 10 times lower than the Sun,
and a value of [Fe/H] = +0.3 means a metal abundance 2 times higher than the Sun.
float PHYS.ABUND.FE
char(1) char(1) Flag on the [Fe/H] value to express the calculation method (which can be S/M/C/T/D)
S = result from a spectrum of low signal to noise ratio
M = average of several values given in the corresponding article
C = in the absence of any indication in the corresponding article, [Fe/H] relative to the Sun was calculated with a solar value of 7.50
T = indicates that both M and C apply
D = indicates that both S and C apply
char META.CODE.ERROR
CompStar char(9) Designates the comparison star from which the [Fe/H] value was obtained char META.ID
CatNo char(5) Star in the Cayrel et al. (1997A&AS..124..299C) compilation
composed by the letter F or C for Field or Cluster star, followed by the ordinal record number in the Field star table (Table 1) or the Cluster star table (Table 2)
char META.ID;META.MAIN
Reference char(19) Bibcode char META.BIB.BIBCODE

Herschel The Herschel observing Log
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Display format:
          0         1         2      
0123456789012345678901234567890123456
| ObsId | alpha delta |
---------------------------------------
|1342271266|18 52 22.19 -00 14 13.9|
fieldname data type description votable type UCD Unit
ObsId char(10) Observation identifier char META.ID;META.MAIN
alpha char(11) Right ascension char POS.EQ.RA;META.MAIN h:m:s
delta char(11) Declination char POS.EQ.DEC;META.MAIN d:m:s

ISO Infrared Space Observatory (ISO) observing log
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Display format:
          0         1      
012345678901234567890123456
| TDT | alpha delta |
-----------------------------
|76802105|315.5775+36.6924|
fieldname data type description votable type UCD Unit
TDT char(8) Observation identifier char META.ID;META.MAIN
alpha float8 Right ascension double POS.EQ.RA;META.MAIN deg
delta float8 Declination double POS.EQ.DEC;META.MAIN deg

IUE International Ultraviolet Explorer observing log
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Display format:
          0         1         2         3         4         5         6         7         8         9        10        11        12    
012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234
|Homogenized Name: ComplID |PROG |CL|D CAM IMAGE A| FES MD|Obs.date Time|ExpTim|m|CEB|S|Comments |F|Reference |
-----------------------------------------------------------------------------------------------------------------------------------------
|HD 48915 : |AMBJL|30|H SWP 08034 L|28673 FU|800224 022900|000004| |X03|G|C=2X,B=50 |*|1996IUEML.C......0I|
fieldname data type description votable type UCD Unit
Homogenized Name char(16) Homogenized Name char META.ID;META.MAIN
ComplID char(12) Complementary Identifier char META.ID
PROG char(5) Observing Program Identification char META.ID;OBS
CL int2 IUE class code int SRC.CLASS
D char(1) Dispersion code char META.CODE
CAM char(3) Camera id char META.ID;INSTR
IMAGE int4 Image number int OBS.IMAGE
A char(1) Aperture designation code char INSTR.FOV
FES int4 FES count int PHOT.COUNT;EM.OPT
MD char(2) FES mode char META.CODE
Obs.date char(6) Observation date char TIME.EPOCH
Time char(6) Observation time char TIME.EPOCH
ExpTime int4 Effective exposure time int TIME.EXPO sec
m char(1) Abnormality code char META.CODE.QUAL
CEB char(3) Exposure quality code char META.CODE.CLASS
S char(1) Station (V=Vilspa/G=Goddard) char META.FLAG;INSTR.TEL
Comments char(20) Comments char META.NOTE
F char(1) Flag char META.CODE
reference char(19) Bibcode char META.BIB.BIBCODE

SpT collection of spectral types
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Display format:
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012345678901234567890123456789012345678901234567890123456789012345
|ds/mss |Spectral type | reference |
--------------------------------------------------------------------
| / |G2Ibvar |1954ApJS....1..175B|
fieldname data type description votable type UCD Unit
ds char(2) dispersive system
P = prism
G = grating
S = slit spectrograph
OP = objective prism
MS = Michigan Spectral Survey
char META.ID;INSTR
mss char(3) mss notes char META.NOTE
Spectral type char(36) Spectral type char SRC.SPTYPE
reference char(19) Bibcode char META.BIB.BIBCODE

Plx collection of trigonometric parallaxs
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Display format:
          0         1         2         3         4 
0123456789012345678901234567890123456789012345678901
| plx : m.e R | reference |
------------------------------------------------------
| -1234.005695:0000.000009 Yk|1952GCTP..C......0J|
fieldname data type description votable type UCD Unit
plx float4 Parallax float POS.PARALLAX.TRIG mas
m.e float4 sigma{plx} float STAT.ERROR mas
R char(2) Observatory code char META.ID;INSTR.OBSTY
reference char(19) Bibcode char META.BIB.BIBCODE

PM collection of proper motions
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Display format:
          0         1         2         3         4         
012345678901234567890123456789012345678901234567890123456789
| pm-ra [ m.e ]| pm-de [ m.e ]|SYST| reference |
--------------------------------------------------------------
| -.026[ .015 ]| +.025[ .012 ]|FK4 |1971$AGK3.C.......L|
fieldname data type description votable type UCD Unit
pm-ra float4 Proper motion R.A. float POS.PM;POS.EQ.RA mas.yr-1
m.e float4 sigma{pm-ra} float STAT.ERROR mas.yr-1
pm-de float4 Proper motion DEC. float POS.PM;POS.EQ.DEC mas.yr-1
m.e float4 sigma{pm-de} float STAT.ERROR mas.yr-1
syst char(4) coordinates system designation
FK4, FK5 or ICRS
char POS.FRAME
reference char(19) Bibcode char META.BIB.BIBCODE

Rot Stellar Rotational Velocities.
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Display format:
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012345678901234567890123456789012345678901234
| Vsini [ err ] (mes)|Q| reference |
-----------------------------------------------
| 9 [ ] ( 10)|E|1970KwKy.189.....U|
fieldname data type description votable type UCD Unit
upVsini char(1) Flag for upper value of Vsini ('<') char META.CODE
Vsini float4 V sini float PHYS.VELOC.ROTAT km.s-1
err float4 error of Vsini float STAT.ERROR
mes int2 Number of measurements int META.NUMBER
Q char(1) Quality
(from A: best .. E: unknown origin)
char CODE.QUAL
reference char(19) Bibcode char META.BIB.BIBCODE

Var collection of stellar variability types and periods
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Display format:
          0         1         2         3         4         5         6         7  
01234567890123456789012345678901234567890123456789012345678901234567890123456789012
|vartyp| max band min | period (d) | epoch (JD) |D/rt%|Reference |
-------------------------------------------------------------------------------------
|M | 13.50 p >16.50 |> 250 | 2424935 :|~ |1971GCVS3.C......0K|
fieldname data type description votable type UCD Unit
vartyp char(16) Type of variability char META.CODE;SRC.VAR
Lomax char(1) Upper limit flag for maximum brightness char META.CODE.ERROR
max float4 Maximum of brightness float PHOT.MAG mag
R_max char(1) Uncertainty flag char META.CODE.ERROR
band char(8) Band char META.ID;PHOT
Upmin char(1) Lower limit flag for Vmin char META.CODE
min float4 Minimum of brightness float PHOT.MAG mag
R_min char(1) Uncertainty flag for Vmin char META.CODE.ERROR
UpPeriod char(1) Lower limit flag for the period char META.CODE
period float8 Period double TIME.PERIOD day
R_period char(2) Uncertainty flag on period (:+) char META.CODE.ERROR
epoch (JD) float8 Epoch of maximum or minimum light, according to:
maximum light for pulsating variables (excluding RV Tau stars), ? CVn stars, novae
minimum light for eclipsing and ellipsoidal variables RV Tau stars
double TIME.EPOCH day
R_epoch char(1) Uncertainty on epoch (:) char META.CODE.ERROR
D/rt float4 Duration of eclipse for Algol type stars; Raising time for all other variable types float TIME.INTERVAL
% char(1) Uncertainty flag on raising time char META.CODE.ERROR
reference char(19) Bibcode char META.BIB.BIBCODE

Velocities collection of HRV, Vlsr, cz and redshifts
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Display format:
          0         1         2         3         4         5         6         7         8         9        10        11 
01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901
|type| Value R m.e. | Acc (Nmes)|nat,Q,dom,res D| Date |Rem. | Origin | Reference |
----------------------------------------------------------------------------------------------------------------------------
|cz | 492.13 ? 12.123 | A ( 1)|e ,D,X, 0.11 | 50000.4324 | |t |1966POHP....8...25F|
fieldname data type description votable type UCD Unit
typ char(3) velocity type (v, z or cz) char META.CODE;SPECT.DOPPLERVELOC
Value float8 Velocity double SPECT.DOPPLERVELOC
R char(1) colon is uncertain question mark is questionable char META.NOTE
m.e. float8 sigma(Value) double STAT.ERROR
Acc char(1) Measurement accuracy (A-E~) char META.CODE.QUAL
Nmes int2 Number of measurements int META.NUMBER
nat char(2) nature of the measurement
p = photometric
s = spectroscopic
se= spectroscopic on emmision line
sa= spectroscopic on absorption line
char META.CODE;SPECT.DOPPLERVELOC
Q char(1) Quality (A-E?) char META.CODE.QUAL
dom char(4) Wavelength domain (Rad,mm,IR,Opt,UV,XRay,Gam) char EM.WL.CENTRAL;SPECT.DOPPLERVELOC
res float8 Resolution float SPECT.RESOLUTION
D char(1) D char META.CODE
Obs.date float8 Observation date double TIME.EPOCH
Rem. char(20) Remarks char META.NOTE
Or char(2) Origin of the radial velocity char META.NOTE
Reference char(19) Bibcode char META.BIB.BIBCODE

XMM XMM observing log
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Display format:
          0 
012345678901
| Obsno |
--------------
|0143630901|
fieldname data type description votable type UCD Unit
TDT char(10) Observation identifier char META.ID;META.MAIN


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