HR 2456

C.D.S. - SIMBAD4 rel 1.7 - 2018.11.16CET05:43:10

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


Basic data :
* 15 Mon -- Be 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,...), X (CXORRS,2E,...), ** (**,ADS,...), UV (EUVE,TD1,...), SB* (Ref,SBC9), V* (V*,AAVSO), *iC (Cl*), Be* (Ref), Em* (EM*), pr* (Ref), Ir* (Ref), IR (2MASS)
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 40 58.65963 +09 53 44.7229 (Optical) [ 4.92 3.42 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 40 58.65963 +09 53 44.7229 [ 4.92 3.42 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 38 13.41983 +09 56 37.0996 [ 28.21 20.11 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) :
202.93631105 +02.19848951 [ 4.92 3.42 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 :
-2.61 -1.61 [0.56 0.39 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) 22.00 [0.3] / z(~) 0.000073 [0.000001] / cz 22.00 [0.30]
   A 2004A&A...424..727P
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):
3.55 [0.50] 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:
O7V+B1.5/2V C 2013yCat....1.2023S
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 3.360 [0.010] C 1991A&AS...89..415O
B 4.400 [0.007] C 1991A&AS...89..415O
V 4.640 [0.009] C 1991A&AS...89..415O
I 4.88 [~] D 1980SAAOC...1..234C
J 5.202 [0.023] C 2003yCat.2246....0C
H 5.322 [0.021] C 2003yCat.2246....0C
K 5.340 [0.021] C 2003yCat.2246....0C
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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!).
Some important notes on this object about identifications and objects associations.
notes:


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

: 1
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

: 2
: 1362 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (59) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

* 15 Mon CXORRS J064058.7+095344 IDS 06355+0959 ABCD TD1 7778
* S Mon 2E 1723 IDS 06355+0959 UBV 6623
** STF 950AB 2E 0638.2+0956 JP11 3984 UBV M 31913
ADS 5322 AB EM* CDS 628 LS VI +09 14 uvby98 222640131 ABV
ADS 5322 1ES 0638+09.9 2MASS J06405866+0953447 V* S Mon
AG+09 754 EUVE J0640+09.8 MCW 464 WDS J06410+0954AB
ALS 9090 GC 8720 N30 1451 WEB 6438
ASCC 1021435 GCRV 4334 NGC 2264 131 [DSP2007] 42
BD+10 1220 GEN# +1.00047839 PLX 1560 [FMS2000] X67
CCDM J06410+0953AB GEN# +2.22640131 PLX 1560.00 [HJ56] 93
CGO 140 GSC 00750-01880 ROT 3602 [II78] 37
Cl* NGC 2264 RMS 3295 HD 47839 1RXS J064059.3+095330 [RRS2004] NGC 2264 196
Cl* NGC 2264 VAS 245 HIC 31978 SAO 114258 [SC93] 364
Cl* NGC 2264 WALK 131 HIP 31978 SBC9 1725 AAVSO 0635+09
CSI+10 1220 1 HR 2456 SKY# 11681

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References (46 between 2014 and 2019) (Total 717)
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


distance : 1    velocities : 84    ROT : 6    PM : 4    Fe_H : 2    PLX : 2    MK : 28    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)

distance (1)

 | distance Q unit|  err-        err+     | method |     reference     |
 -----------------------------------------------------------------------
 |  609       pc  | -73         +73       |CaIIHK  |2009A&A...507..833M|
 

velocities (84)

 |typ|    Value    R   m.e.  |A (Nmes)|na,Q,dom ,   res    D| Obs.date | Rem.  |Or|     Reference     |
 ------------------------------------------------------------------------------------------------------
 |v  |   33.2                |  (  18)|s , ,    ,           |          |       |  |1995A&AS..114..269D|
 

rot (6)

 |  Vsini  [  err   ] (mes)|Q|     reference     |
 -------------------------------------------------
 |  43     [        ] (   )| |2017A&A...597A..22S|
 

pm (4)

 |  pm-ra  [   m.e   ]|  pm-de  [   m.e   ]|syst|     reference     |
 --------------------------------------------------------------------
 |   -2.61 [    0.56 ]|   -1.61 [    0.39 ]|ICRS|2007A&A...474..653V|
 

fe_h (2)

 |Teff  log.g | Fe_H  c|CompStar |CatNo|     Reference     |
 -----------------------------------------------------------
 |25200 3.50  |        |SUN      |     |2006MNRAS.371..252L|
 

plx (2)

 |    plx    :    m.e     R |     reference     |
 ------------------------------------------------
 |   3.19    :   0.73       |1997A&A...323L..49P|
 

mk (28)

 |ds/mss|           Spectral type            |     reference     |
 -----------------------------------------------------------------
 |  /   |OB+                                 |1965LS....C06....0N|
 

v* (1)

 |     vartyp     |    Vmax     p     Vmin    |   period   | epoch (JD)   |D/rt %|     reference     |
 -----------------------------------------------------------------------------------------------------
m|Ia?             |   4.20      p    4.60     |            |              |      |1971GCVS3.C......0K|
 
Observing logs


IUE : 58   

   

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)

iue (58)

 |Homogenized Name:  ComplID   |PROG |CL|D CAM IMAGE A| FES  MD|Obs.da  Time |ExpTim|m|CEB|S|      Comments      |F|     reference     |
 ---------------------------------------------------------------------------------------------------------------------------------------
 |HD 47839        :            |PB030|12|L SWP 02777 S|  515 FU|780926 230100|000001| |50 |V|                    |*|1996IUEML.C......0I|
 

External archives :

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

Link by name to the catalogue in VizieR :

AG+09 754 ALS 9090 BD+10 1220 CCDM J06410+0953AB 2E 1723
EUVE J0640+09.8 GSC 00750-01880 HD 47839 HIC 31978 HIP 31978
HR 2456 LS VI +09 14 2MASS J06405866+0953447 PLX 1560 1RXS J064059.3+095330
SAO 114258 TD1 7778 uvby98 222640131 ABV V* S Mon WDS J06410+0954AB

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2018.11.16-05:43:10

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