LHS 38

Query : LHS 38 C.D.S. - SIMBAD4 rel 1.225 - 2015.07.29CEST17:55:41

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


Basic data :
BD+44 2051 -- High proper-motion 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:
* (AC2000,AG,AGKR,ASCC,BD,CSI​,FK5,Furuhjelm,GC,GCRV​,GEN#,GJ,GSC,HIC​,HIP,JP11,LAL,MCC​,8pc,PLX,PPM,SAO​,TYC,UBV,UCAC2,USNO,Zkh,[RHG95]), PM* (LHS,Ci,G,LFT,LSPM,LTT​,NLTT), IR (AKARI,IRAS,2MASS,WISE), ** (**,CCDM,WDS)
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) :
11 05 28.57798 +43 31 36.3914 ( Optical ) [ 6.86 6.16 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) :
11 05 28.578 +43 31 36.39 [ 6.86 6.16 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) :
11 02 59.81 +43 47 01.8 [ 39.48 35.67 0 ]
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) :
168.5027 +63.0714 [ 6.86 6.16 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 :
-4410.43 942.93 [0.78 0.70 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) 68.753 [0.0220] / z(~) 0.000229 [0.000000] / cz 68.76 [0.02]   (Opt) A 2013A&A...552A..64S
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:
206.27 [1.00] 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:
M2.0V C 2009ApJ...704..975J
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 (8) :
U 11.440 [0.010] C 1991A&AS...89..415O
B 10.270 [0.007] C 1991A&AS...89..415O
V 8.780 [0.009] C 1991A&AS...89..415O
R 7.9 [~] E 2003AJ....125..984M
I 7.1 [~] E 2003AJ....125..984M
J 5.54 [~] C 2003yCat.2246....0C
H 5.00 [~] C 2003yCat.2246....0C
K 4.77 [~] 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!).

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

: 1 : 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 (48) :

LHS 38 FK5 4979 JP11 178 PPM 52239
** VBS 18A Furuhjelm I-650 JP11 179 SAO 43609
AC2000 1463341 GC 15252 JP11 177 TYC 3012-2528-1
AG+43 1004 GCRV 6831 LAL 21258 UBV 10126
AGKR 9948 GEN# +0.04402051A LFT 757 UBV M 3351
AKARI-IRC-V1 J1105259+433142 G 176-11 LSPM J1105+4331W UCAC2 46827681
ASCC 407596 GJ 412 A LTT 12976 USNO-B1.0 1335-00220263
BD+44 2051 GSC 03012-02528 2MASS J11052903+4331357 WDS J11055+4332A
CCDM J11055+4332A HIC 54211 MCC 35 WISE J110524.38+433146.2
Ci 20 606 HIP 54211 NLTT 26245 Zkh 150
Ci 18 1349 IRAS F11029+4346 8pc 206.94A [RHG95] 1723
CSI+44 2051 1 IRAS 11027+4347 PLX 2582 [ZEH2003] RX J1105.5+4331 1

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References (211 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 (18 types) :


diameter : 1    Fe_H : 6    GEN : 1    GJ : 1    herschel : 2    IRAS : 1    IUE : 2    JP11 : 3    MK : 7    oRV : 7    PLX : 5    PM : 8   
pos : 4    posa : 2    ROT : 1    SAO : 1    UBV : 7    velocities : 9   

   


External archives :

Catalogue information from VizieR :

Generic search by coordinates (radius: 20 arcsec)

LHS 38 AC2000 1463341 AG+43 1004 BD+44 2051 CCDM J11055+4332A
FK5 4979 G 176-11 GJ 412 A GSC 03012-02528 HIC 54211
HIP 54211 IRAS F11029+4346 IRAS 11027+4347 LSPM J1105+4331W 2MASS J11052903+4331357
NLTT 26245 PPM 52239 SAO 43609 TYC 3012-2528-1 UCAC2 46827681
USNO-B1.0 1335-00220263 WDS J11055+4332A

Indications mainly about references on other documents
Notes (1) :
     

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The list of all annotations to SIMBAD objects can be found here .

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2015.07.29-17:55:41

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