Omicron1 Orionis

Query : Omicron1 Orionis C.D.S. - SIMBAD4 rel 1.225 - 2015.07.31CEST23:27:22

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


Basic data :
* omi Ori -- S Star
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:
* (*,AG,BD,DO,FK5,GC​,GCRV,GEN#,GSC,HD​,HIC,HIP,HR,N30​,PLX,PMC,PPM,SAO​,SKY#,SRS,TYC,UBV​,YZ,[C97],[DS98],[GS83],[HFE83]), IR (IRAS,IRC,2MASS,RAFGL), S* (Ref,CSS,S1*), V* (V*,CSV,AAVSO), sr* (Ref)
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
04 52 31.96357 +14 15 02.3215 ( Optical ) [ 7.38 4.65 90 ] A 2007A&A...474..653V
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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
FK5 coord. (ep=J2000 eq=2000) :
04 52 31.964 +14 15 02.32 [ 7.38 4.65 90 ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
04 49 42.06 +14 10 08.4 [ 42.26 27.51 94 ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
185.4278 -18.3898 [ 7.38 4.65 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 :
-0.05 -54.81 [0.84 0.53 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) -8.40 [0.23] / z(~) -0.000028 [0.000001] / cz -8.40 [0.23]   (~) A 2005A&A...430..165F
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:
5.01 [0.71] A 2007A&A...474..653V
Spectral type is made of 3 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
  • bibcode : bibcode of the spectral type reference
Spectral type:
M3SIII C 1990A&AS...85.1069S
Syntax of fluxes (or magnitudes) is : "filter-name flux-value [error] quality MultVarFlags bibcode"
  • filter-name : U, B, V, R, I, J, H, K, u, g, r, i, z
  • 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 (5) :
B 6.534 [~] C ~
V 4.752 [~] C ~
J 0.483 [0.188] D 2003yCat.2246....0C
H -0.476 [0.192] D 2003yCat.2246....0C
K -0.662 [0.164] D 2003yCat.2246....0C
SIMBAD with radius arcmin
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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!).

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (41) :

V* omi01 Ori GCRV 2874 PLX 1090 UBV M 10399
* omi Ori GEN# +1.00030959 PLX 1090.00 UBV 4681
* 4 Ori GSC 00696-01788 PMC 90-93 760 YZ 14 1402
* omi01 Ori HD 30959 PPM 120349 [C97] 16
AG+14 438 HIC 22667 RAFGL 644 [DS98] 57
BD+14 777 HIP 22667 S1* 84 [GS83] 158
CSS 114 HR 1556 SAO 94176 [HFE83] 334
CSV 448 IRAS 04497+1410 SKY# 7596 AAVSO 0446+14
DO 10825 IRC +10072 SRS 31136
FK5 1136 2MASS J04523198+1415026 SV* P 143
GC 5942 N30 1042 TYC 696-1788-1

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References (186 between 1850 and 2015)
Simbad bibliographic survey began in 1950 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

from: to:

                                  Sort reference summaries by : (not exhaustive, explanation here)

                                 


Measurements (13 types) :


Fe_H : 4    IRAS : 1    IRC : 1    IUE : 15    MK : 1    oRV : 6    PLX : 5    PM : 4    pos : 4    posa : 1    SAO : 1    UBV : 4   
velocities : 7   

   


External archives :

Data at NED - NASA/IPAC Extragalactic Database

Catalogue information from VizieR :

Generic search by coordinates (radius: 5 arcsec)

V* omi01 Ori AG+14 438 BD+14 777 FK5 1136 GSC 00696-01788
HD 30959 HIC 22667 HIP 22667 HR 1556 IRAS 04497+1410
IRC +10072 2MASS J04523198+1415026 PPM 120349 RAFGL 644 SAO 94176
TYC 696-1788-1

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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2015.07.31-23:27:22

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