HR 2294

C.D.S. - SIMBAD4 rel 1.7 - 2018.11.14CET19:35:50

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


Basic data :
* bet CMa -- Variable Star of beta Cep type
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:
bC* (), * (*,ALS,...), UV (CEL,2EUVE,...), IR (AKARI,IRAS,...), X (2E,RE,...), ** (CCDM,IDS,...), V* (V*)
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) :
06 22 41.9853527 -17 57 21.307352 (Optical) [ 0.15 0.15 90 ] A 2007A&A...474..653V
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
FK5 coord. (ep=J2000 eq=2000) :
06 22 41.9853527 -17 57 21.307352 [ 0.15 0.15 90 ]
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) :
06 20 29.8005560 -17 55 46.991206 [ 10.00 9.50 90 ]
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) :
226.0598444994 -14.2680476970 [ 0.15 0.15 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 :
-3.23 -0.78 [0.19 0.20 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) 33.70 [0.5] / z(~) 0.000112 [0.000002] / cz 33.70 [0.50]
   A 2006AstL...32..759G
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):
6.62 [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:
B1II-III C 1968ApJS...17..371L
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 (9) :
U 0.77 [~] C 2002yCat.2237....0D
B 1.73 [~] C 2002yCat.2237....0D
V 1.97 [~] C 2002yCat.2237....0D
R 2.11 [~] C 2002yCat.2237....0D
I 2.35 [~] C 2002yCat.2237....0D
G 9.7849 [0.2485] C 2018yCat.1345....0G
J 2.53 [~] C 2002yCat.2237....0D
H 2.62 [~] C 2002yCat.2237....0D
K 2.65 [~] 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!).

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (53) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

V* bet CMa GC 8223 N30 1376 SAO 151428
* 2 CMa GCRV 4051 NAME Mirzam SKY# 10875
* bet CMa GEN# +1.00044743 PLX 1481 SRS 30243
AKARI-IRC-V1 J0622419-175721 HD 44743 PLX 1481.00 TD1 6953
ALS 15801 HGAM 524 PMC 90-93 175 TYC 5938-2918-1
BD-17 1467 HIC 30324 PPM 217099 UBV 6391
CCDM J06227-1757A HIP 30324 2RE J0622-175 UBV M 12037
CEL 1207 HR 2294 2RE J062240-175711 uvby98 100044743
CSI-17 1467 1 IDS 06183-1755 A RE J0622-175 WDS J06227-1757A
2E 1637 IRAS 06204-1755 RE J062240-175703 WEB 6031
2E 0620.5-1755 IRC -20092 ROT 1027 Gaia DR2 2943532166754014976
2EUVE J0622-17.9 JP11 1375 RX J0622.7-1757
EUVE J0622-17.9 2MASS J06224199-1757215 1RXS J062242.0-175726
FK5 243 MCW 426 SACS 140

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References (31 between 2014 and 2019) (Total 669)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
Follow new references on this object
                Reference summaries :

                from: to:

                 or select by : (not exhaustive, explanation here)


Collections of Measurements


velocities : 22    ROT : 7    PM : 4    Fe_H : 4    PLX : 3    MK : 25    V* : 1   

   

Warning : measurements from IRAS, IRC, SAO, CL.g (ACO), GJ have been removed
(they are still available using the icon Vizier near the identifier of the catalogue, or at the bottom of the page in the section "External links" to get the full data)

velocities (22)

 |typ|    Value    R   m.e.  |A (Nmes)|na,Q,dom ,   res    D| Obs.date | Rem.  |Or|     Reference     |
 ------------------------------------------------------------------------------------------------------
 |v  |   33.7                |  ( 698)|s , ,    ,           |          |       |  |1995A&AS..114..269D|
 

rot (7)

 |  Vsini  [  err   ] (mes)|Q|     reference     |
 -------------------------------------------------
 |  24     [        ] (   )| |2017A&A...597A..22S|
 

pm (4)

 |  pm-ra  [   m.e   ]|  pm-de  [   m.e   ]|syst|     reference     |
 --------------------------------------------------------------------
 |   -3.23 [    0.19 ]|   -0.78 [    0.20 ]|ICRS|2007A&A...474..653V|
 

fe_h (4)

 |Teff  log.g | Fe_H  c|CompStar |CatNo|     Reference     |
 -----------------------------------------------------------
 |26630 3.89  |-0.41   |SUN      |     |1992ApJ...387..673G|
 

plx (3)

 |    plx    :    m.e     R |     reference     |
 ------------------------------------------------
m|   6.53    :   0.66       |1997A&A...323L..49P|
 

mk (25)

 |ds/mss|           Spectral type            |     reference     |
 -----------------------------------------------------------------
 |  /   |B1.5IV                              |2006MNRAS.371..252L|
 

v* (1)

 |     vartyp     |    Vmax     p     Vmin    |   period   | epoch (JD)   |D/rt %|     reference     |
 -----------------------------------------------------------------------------------------------------
m|bC              |   1.93      V    2.00     |   0.2500   | 2438071.363  |      |1971GCVS3.C......0K|
 
Observing logs


ISO : 1    IUE : 46   

   

Warning : measurements from IRAS, IRC, SAO, CL.g (ACO), GJ have been removed
(they are still available using the icon Vizier near the identifier of the catalogue, or at the bottom of the page in the section "External links" to get the full data)

iso (1)

The 2 columns in color are computed by VizieR, and are not part of the original data.
Note: Quick-look images of the data, and specific documentation, are accessible by clicking on the TDT observation identifier
VI/111/isolog
Post annotation
ISO Observation Log (ISO Data Centre, 2004) [ReadMe+ftp]

*The ISO Observation Log (36737 rows) (Note)
img(gal)
start AladinLite

Full _r TDT AOT minLam maxLam Target oStart oLen recno FOV RAJ2000 DEJ2000 cal ObsID abs PropID arcmin um um s s deg deg
1 0.026 72301501 SWS01 2.38 45.20 BETA CMA 1997-11-08T04:16:37 3454 30308 33"x20" 095.6745 -17.9560 JCASSINE + PROPBST2

iue (46)

 |Homogenized Name:  ComplID   |PROG |CL|D CAM IMAGE A| FES  MD|Obs.da  Time |ExpTim|m|CEB|S|      Comments      |F|     reference     |
 ---------------------------------------------------------------------------------------------------------------------------------------
 |HD 44743        :            |MI116|23|H SWP 42736 L| 4099 FU|911015 175816|000003| |500|V|                    |*|1996IUEML.C......0I|
 

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : HR 2294

Link by name to the catalogue in VizieR :

V* bet CMa AKARI-IRC-V1 J0622419-175721 ALS 15801 BD-17 1467 CCDM J06227-1757A
CEL 1207 2E 1637 EUVE J0622-17.9 FK5 243 HD 44743
HIC 30324 HIP 30324 HR 2294 IRAS 06204-1755 IRC -20092
2MASS J06224199-1757215 PLX 1481 PPM 217099 2RE J0622-175 2RE J062240-175711
1RXS J062242.0-175726 SAO 151428 TD1 6953 TYC 5938-2918-1 uvby98 100044743
WDS J06227-1757A Gaia DR2 2943532166754014976

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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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2018.11.14-19:35:51

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