HL Tau

Query : HL Tau

Basic data :
V* HL Tau -- Orion Variable
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: 		* (GSC,EPIC,...), X (XEST,2XMM,...), Y*O (2010ApJS,[GMM2009]), MIR (AKARI,WISEA,...), TT* (1999AJ), Or* (2012ApJ), ** (**,WDS), Em* (2020A&A,HBC), V* (V*,AAVSO), smm (JCMTSE,JCMTSF), Opt (LAMOST,SDSS), HH (HH), Rad (GBS), NIR (2MASS), IR (SSV)
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] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    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) : 		04 31 38.5107609312 +18 13 57.859747968 (Optical) [ 11.4782 7.7331 90 ] C 2020yCat.1350....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] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    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) : 		04 31 38.5126371205 +18 13 57.844730781 [ 11.4782 7.7331 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] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    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) : 		04 28 44.4781293853 +18 07 35.866251135 [ 11.4782 7.7331 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] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    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) : 		178.8591136056473 -19.9721550788992 [ 11.4782 7.7331 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 : 		4.2 -15.3 [3.2 6.9 90] C 2012yCat.1322....0Z
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: 		K5 D 2004ApJ...616..998W
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 (12) :
B 15.89 [0.11] D 2012yCat.1322....0Z
V 14.49 [0.06] D 2012yCat.1322....0Z
R 14.39 [0.18] E 2012yCat.1322....0Z
G 17.638250 [0.037221] C 2020yCat.1350....0G
J 10.624 [0.042] C 2003yCat.2246....0C
H 9.171 [0.046] C 2003yCat.2246....0C
K 7.410 [0.017] C 2003yCat.2246....0C
u (AB) 16.887 [0.009] C 2009ApJS..182..543A
g 15.20 [0.06] D 2012yCat.1322....0Z
r 13.80 [0.07] D 2012yCat.1322....0Z
i 13.01 [0.08] D 2012yCat.1322....0Z
z (AB) 12.296 [0.002] C 2009ApJS..182..543A
SIMBAD within arcmin
', {sourceSize:12, color:'#30a090'})); aladin.on('objectClicked', function(object) { var objName=object.data.MAIN_ID; aladin.showPopup(object.ra,object.dec,'',''+ objName+''); });" title="Show Simbad objects"> Overlay Simbad points in this preview
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sedIcon
within 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!). sed-help-icon

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

: 4 : 2809 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (32) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

GSC 01269-01065 JCMTSE J043138.3+181356 UCAC2 38202581 [BFR2003] 35
** HER 10B JCMTSF J043138.3+181356 UCAC4 542-009387 [FGM2003] 29
AKARI-IRC-V1 J0431384+181357 JP11 5275 V* HL Tau [FGM2003] S19
EPIC 210690913 LAMOST J043138.47+181357.9 WDS J04317+1814B [FK83] LDN 1551 11
GBS-VLA J043138.42+181357.3 2MASS J04313843+1813576 WISEA J043138.48+181357.6 [GBA2007] 1319
Haro 6-14 SDSS J043138.46+181357.8 WISE J043138.43+181357.5 [GMM2009] Tau L1551 2
HBC 49 SSV LDN 1551 1 XEST 22-043 AAVSO 0425+18B
HH 150 TIC 353752575 2XMM J043138.4+181357 Gaia DR3 3314312226646863488

References (369 between 2019 and 2024) (Total 1424)
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 :

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                 or select by : (not exhaustive, explanation here)

Collections of Measurements


V* : 1    MK : 2   

   

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)

v* (1) 

 |     vartyp     |    Vmax     p     Vmin    |   period   | epoch (JD)   |D/rt %|     reference     |
 -----------------------------------------------------------------------------------------------------
m|INT             |  15.100     B   17.200    |            |              |      |2017ARep...61...80S|

mk (2) 

 |ds/mss|           Spectral type            |     reference     |
 -----------------------------------------------------------------
 |  /   |K3                                  |2014ApJ...786...97H|
Observing logs


herschel : 2    ISO : 8    IUE : 4   

   

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)

herschel (2)

The 1 column in color are computed by VizieR, and are not part of the original data.

Note: (see also the postcard server)

VI/139/herschel
Post annotation 		Herschel Observation Log (Herschel Science Centre, 2013) [ReadMe+ftp]
2013yCat.6139....0H

The Herschel Observation Log (37093 rows)		img(gal)
start AladinLite 
 Full      _r     OD   Target                                 RAJ2000      DEJ2000    Proposal           AOT                 Dur          Start            ObsId       PACS        HIFI        SPIRE    Label                                                                                                                 
        arcmin                                               "h:m:s"      "d:m:s"                                            s             s                                                                                                                                                                                 


    1   0.2329   272  XZ_Tau-1                             04 31 39.48  +18 13 55.7  KPOT_bdent_1       PacsLineSpec        1252  2010-02-10T09:04:37  1342190351  get Herschel/PACS observation #1342190351                           XZ_Tau_Ib_OI63                                                                                                        
    2   0.2329   272  XZ_Tau-1                             04 31 39.48  +18 13 55.7  KPOT_bdent_1       PacsRangeSpec       5141  2010-02-10T07:36:50  1342190350  get Herschel/PACS observation #1342190350                           XZ_Tau_Ib_CII_OI145_H2O

iso (8)

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[image] (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     0.033  65602507  PHT40    2.47    8.95  04287+1807                      1997-09-02T12:21:38    172     27591  24"x24"             067.9099  +18.2329      JGURTLER +    DUSTABS 
    2     0.033  66801506  LWS01   43.05  195.68  HL Tau                          1997-09-14T03:43:42   4054     28186  84" D               067.9099  +18.2329      PSARA         PMS_SP  
    3     0.033  68101006  LWS01   43.05  195.68  HL Tau                          1997-09-27T03:00:48   4052     28648  84" D               067.9099  +18.2329      PSARA         PMS_SP  
    4     0.033  68101016  SWS01    2.38   45.22  HL Tau sws                      1997-09-27T04:09:04   1912     28649  33"x20"             067.9099  +18.2329      PSARA         PMS_SP  
    5     1.695  66801524  LWS01   43.05  195.68  HL Tau off W                    1997-09-14T05:24:42   1580     28187  84" D               067.8904  +18.2536      PSARA         PMS_SP  
    6     1.695  68101024  LWS01   43.05  195.68  HL Tau off W                    1997-09-27T04:41:46   1582     28650  84" D               067.8904  +18.2536      PSARA         PMS_SP  
    7     1.984  66801525  LWS01   43.05  195.68  HL Tau off E                    1997-09-14T05:51:56   1580     28188  84" D               067.9294  +18.2050      PSARA         PMS_SP  
    8     1.984  68101025  LWS01   43.05  195.68  HL Tau off E                    1997-09-27T05:09:00   1582     28651  84" D               067.9294  +18.2050      PSARA         PMS_SP

iue (4) 

 |Homogenized Name:  ComplID   |PROG |CL|D CAM IMAGE A| FES  MD|Obs.da  Time |ExpTim|m|CEB|S|      Comments      |F|     reference     |
 ---------------------------------------------------------------------------------------------------------------------------------------
 |V* HL TAU       :            |HHGTS|58|L SWP 24852 L|   29 SO|850106 162900|023700| |07 |G|B=85                |*|1996IUEML.C......0I|

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : HL Tau

Link by name to the catalogue in VizieR :

GSC 01269-01065 AKARI-IRC-V1 J0431384+181357 2MASS J04313843+1813576 SDSS J043138.46+181357.8 UCAC2 38202581
UCAC4 542-009387 V* HL Tau WDS J04317+1814B WISEA J043138.48+181357.6 WISE J043138.43+181357.5
Gaia DR3 3314312226646863488

Search by coordinates in Vizier (radius: 5 arcsec)

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