Iota Orionis

C.D.S. - SIMBAD4 rel 1.7 - 2018.10.21CEST15:43:24

Available data : Basic data  •  Identifiers  •  Plot & images  •  Bibliography  •  Measurements  •  External archives  •  Notes  •  Annotations


Basic data :
* iot Ori -- Spectroscopic binary
Origin of the objects types :

(Ref) Object type as listed in the reference "Ref"
(acronym) Object type linked to the acronym according to the original reference
() Anterior to 2007, before we can link the objet type to a reference, or given by the CDS team in some particular cases

Other object types:
* (*,ALS,...), ** (**,ADS,...), X (2E,1ES,...), IR (Ref,IRAS,...), UV (CEL,EUVE,...), SB* (Ref,SBC7,...), *iC (Brun), *iN (Parenago), Rad (ROS)
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : coordinates error major axis, minor axis (in mas at defined epoch and convolved with error on propermotion),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
ICRS coord. (ep=J2000) :
05 35 25.9831233810 -05 54 35.620268233 (Optical) [ 0.6371 0.5919 90 ] A 2018yCat.1345....0G
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : coordinates error major axis, minor axis (in mas at defined epoch and convolved with error on propermotion),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
FK4 coord. (ep=B1950 eq=1950) :
05 32 59.1307623242 -05 56 28.185302590 [ 10.5167 6.5312 0 ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : coordinates error major axis, minor axis (in mas at defined epoch and convolved with error on propermotion),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
Gal coord. (ep=J2000) :
209.5221045428324 -19.5834595680483 [ 0.6371 0.5919 90 ]
Syntax of proper motions is : "pm-ra pm-dec [error ellipse] quality bibcode"
  • pm-ra : mu-ra*cos(dec) (expressed in the ICRS system in mas/yr)
  • pm-dec : mu-dec (expressed in the ICRS system in mas/yr)
  • [error ellipse] : error major axis and minor axis (in mas), orientation angle (in deg)
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the proper motion reference
Proper motions mas/yr :
1.42 -0.46 [0.21 0.13 0] A 2007A&A...474..653V
Syntax of radial velocity (or/and redshift) is : "value [error] (wavelength) quality bibcode"
  • value : radial velocity or/and redshift (Heliocentric frame) according to your Output Options
    (redshift may be not displayed if the data value is <0 and the database inside value is a radial velocity)
  • [error] : error of the corresponding value displayed before
  • (wavelength) : wavelength range of the measurement : Rad, mm, IR, Opt, UV, Xray, Gam or  '∼'(unknown)
  • quality : flag of quality ( A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the value's origin
Radial velocity / Redshift / cz :
V(km/s) 27.60 [0.3] / z(spectroscopic) 0.000092 [0.000001] / cz 27.60 [0.30]
   (Opt) A 1970ApJS...19..387A
Syntax of parallax is : 'value quality [error] bibcode'
  • value : parallax value
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • [error] : mean error
  • bibcode : bibcode of the parallax reference
Parallaxes (mas):
1.40 [0.22] A 2007A&A...474..653V
Spectral type is made of 3 parts: %coding is composed of 4 parts :
  • the spectral type, which is made of a temperature class, eventually a luminosity class (roman number) and/or spectral peculiarities;
  • a quality letter: A=best quality→E=worst quality, {� } =unknown quality %
  • a quality letter: A=best quality -> E=worst quality, {� } =unknown quality
  • bibcode : bibcode of the spectral type reference
Spectral type:
O9IIIvar C 2011ApJS..193...24S
Syntax of fluxes (or magnitudes) is : "filter-name (System) flux-value [error] quality MultVarFlags bibcode"
  • filter-name : U, B, V, R, I, G, J, H, K, u, g, r, i, z
  • (System) : may be AB (default is Vega)
  • flux-value : value of flux or magnitude
  • [error] : error value
  • quality : flag of quality of the flux value ( A=best quality -> E=worst quality, {� } =unknown quality)
  • MultVarFlags : Mult is zero or one char (J) for joined photometry ; Var can be zero or two chars (V[0-4])
  • bibcode : bibcode of the flux reference
Fluxes (7) :
U 1.45 [~] C 2002yCat.2237....0D
B 2.53 [~] C 2002yCat.2237....0D
V 2.77 [~] C 2002yCat.2237....0D
G 9.3925 [0.2169] C 2018yCat.1345....0G
J 3.27 [~] C 2002yCat.2237....0D
H 3.36 [~] C 2002yCat.2237....0D
K 3.46 [~] C 2002yCat.2237....0D
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within radius arcsec The VizieR photometry tool allows for easy visualization of photometry points extracted around the Simbad position from photometry-enabled catalogues in VizieR.
The search radius has to be specified by the user. It is currently limited to a maximum of 30 arcsec. It depends mostly on the precision or quality of the coordinates (SIMBAD and VizieR catalogs), the resolution of the images from which the sources were extracted, source extent, and source crowding.
Suggestions are: crowded field: 0.5 to 1.5 arcsec, 3 arcsec otherwise; uncertain coordinates (SIMBAD quality E or coordinates without reference): 5 to 30 arsec (risky!).

Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

The count displayed here is the number of children objects.
The list obtained by clicking the button may be larger, as some children may be linked with different references or probability.

%This number is the number of distinct objets linked, by using this button, you will obtain all links (may be more than one) from that object to his children

: 1
Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (70) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

NAME Hatysa GC 6937 MCW 341 TD1 4942
* iot Ori GCRV 3425 N30 1201 TYC 4778-1401-1
* 44 Ori GEN# +9.00010721 NGC 1976 721 UBV M 51705
** CHR 250 GEN# +9.00010721D Parenago 2037 UBV 5526
** STF 752A GEN# +2.19760721 PLX 1279 UBV M 51706
ADS 4193 A GOS G209.52-19.58 01 PLX 1279.00 uvby98 900010721
ALS 14790 GSC 04778-01401 PMSC 05305-0559AP WDS J05354-0555Aa,Ab
BD-06 1241 HD 37043 PMSC 05305-0559Aab WDS J05354-0555A
Brun 721 HGAM 444 PMSC 05305-0559A WEB 5136
CCDM J05355-0555A HIC 26241 PPM 188225 WH 301
CEL 829 HIP 26241 ROS -ORI 172 [GC94b] 144
CGO 100 HR 1899 ROT 3502 [HJ56] 70
CSI-06 1241 1 IDS 05305-0559 A 1RXS J053526.3-055436 [KSP2003] J053525.80-055436.8
2E 1377 IRAS 05330-0556 SAO 132323 [SC93b] 313
2E 0532.9-0556 JP11 5722 SBC7 242 [TVZ96] 226
1ES 0532-05.9 JP11 5724 SBC9 343 Gaia DR2 3017190546640875904
EUVE J0535-05.9 JP11 5723 SKY# 9032
FK5 209 2MASS J05352597-0554357 SOXS 258

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References (716 between 1850 and 2018) (Total 716)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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                Reference summaries :

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Collections of Measurements


velocities : 40    ROT : 3    PM : 4    Fe_H : 2    PLX : 3    MK : 42   

   

Observing logs


XMM : 2    herschel : 4    IUE : 23   

   


External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : Iota Orionis

Link by name to the catalogue in VizieR :

ALS 14790 BD-06 1241 CCDM J05355-0555A CEL 829 2E 1377
EUVE J0535-05.9 FK5 209 GSC 04778-01401 HD 37043 HIC 26241
HIP 26241 HR 1899 IRAS 05330-0556 2MASS J05352597-0554357 PLX 1279
PPM 188225 1RXS J053526.3-055436 SAO 132323 TD1 4942 TYC 4778-1401-1
uvby98 900010721 WDS J05354-0555Aa,Ab WDS J05354-0555A Gaia DR2 3017190546640875904

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Annotations :
Annotations allow a user to add a note or report an error concerning the astronomical object and its data. It requires registration to post a note. See description .
The list of all annotations to SIMBAD objects can be found here .

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2018.10.21-15:43:24

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