CDS

y cvn

Query : y cvn

Basic data :
V* Y CVn -- Carbon 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: 		* (1962AJ,HD,...), C* (1869AN,C*,...), IR (IRAS,IRC,...), V* (V*,AAVSO), LP* (2009yCat), C*? (2022yCat), LP? (2022yCat), NIR (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] : 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) : 		12 45 07.8260815656 +45 26 24.926308404 (Optical) [ 0.0686 0.1012 90 ] A 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) : 		12 45 07.8261665238 +45 26 24.921277676 [ 0.0686 0.1012 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) : 		12 42 47.0763110737 +45 42 47.885667277 [ 0.0686 0.1012 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) : 		126.4471725701440 +71.6449195996619 [ 0.0686 0.1012 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 : 		-2.968 13.063 [0.087 0.130 90] A 2020yCat.1350....0G
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) 15.30 [0.4] / z(~) 0.000051 [0.000001] / cz 15.30 [0.40]
   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): 		3.2222 [0.1744] A 2020yCat.1350....0G
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: 		C-N5 B 1993PASP..105..905K
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 14.03 [~] C 2002yCat.2237....0D
B 7.41 [~] C 2002yCat.2237....0D
V 4.87 [~] C 2002yCat.2237....0D
R 3.12 [~] C 2002yCat.2237....0D
G 3.957619 [0.003391] C 2020yCat.1350....0G
I 1.74 [~] C 2002yCat.2237....0D
J 0.75 [~] C 2002yCat.2237....0D
H -0.23 [~] C 2002yCat.2237....0D
K -0.81 [~] C 2002yCat.2237....0D
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

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (39) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

HD 110914 GSC 03459-02147 NAME La Superba TYC 3459-2147-1
AG+45 1021 HIC 62223 NGP 46 107 UBV 21484
BD+46 1817 HIP 62223 PLX 2936 V* Y CVn
C* 2030 HR 4846 PLX 2936.00 WEB 11053
CGCS 3283 IRAS 12427+4542 PMC 90-93 922 YPAC 51
DO 34179 IRC +50219 PPM 53169 [LFO93] 1242+45
FK5 1327 JP11 2289 RAFGL 1576 AAVSO 1240+45
GC 17342 LEE 301 SAO 44317 Gaia DR3 1542553623374596352
GCRV 7648 2MASS J12450780+4526249 SKY# 23758 Gaia DR2 1542553623370677504
GEN# +1.00110914 N30 2940 TIC 159163636

References (21 between 2019 and 2024) (Total 477)
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 : 10    V* : 1    distance : 2    Fe_H : 2    PLX : 5    PM : 7    MK : 15   

   

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 (10) 

 |typ|    Value    R   m.e.  |A (Nmes)|na,Q,dom ,   res    D| Obs.date | Rem.  |Or|     Reference     |
 ------------------------------------------------------------------------------------------------------
 |v  |   11.7                |  (  20)|s , ,    ,           |          |       |  |1995A&AS..114..269D|

v* (1) 

 |     vartyp     |    Vmax     p     Vmin    |   period   | epoch (JD)   |D/rt %|     reference     |
 -----------------------------------------------------------------------------------------------------
m|SRB             |   7.40      p   10.00     | 157.000    |              |      |2009yCat....1.2025S|

distance (2) 

 | distance Q unit|  err-        err+     | method |     reference     |
 -----------------------------------------------------------------------
 |  310.347   pc  | -16.7974    +16.7974  |paral   |2020yCat.1350....0G|

fe_h (2) 

 | Teff  log.g | Fe_H  c|CompStar |CatNo|     Reference     |
 ------------------------------------------------------------
 |  2724       | 0.00   |SUN      |     |1986ApJS...62..373L|

plx (5) 

 |    plx    :    m.e     R |     reference     |
 ------------------------------------------------
m|   4.59    :   0.73       |1997A&A...323L..49P|

pm (7) 

 |  pm-ra  [   m.e   ]|  pm-de  [   m.e   ]|syst|     reference     |
 --------------------------------------------------------------------
 |   -2.968[    0.087]|  +13.063[    0.130]|ICRS|2020yCat.1350....0G|

mk (15) 

 |ds/mss|           Spectral type            |     reference     |
 -----------------------------------------------------------------
m|  /   |C-rich                              |1997ApJS..112..557K|
Observing logs


herschel : 25    ISO : 18   

   

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 (25)

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   0.0008  1318  Y CVn                                12 45 07.83  +45 26 24.9  OT2_ylibert_2      HifiMapping        15952  2012-12-22T07:14:46  1342257673              get Herschel/HIFI observation #1342257673               HMap-band7b                                                                                                           
    2   0.0008  1302  Y CVn                                12 45 07.83  +45 26 24.9  OT2_ylibert_2      HifiPoint          11440  2012-12-05T17:47:22  1342256458              get Herschel/HIFI observation #1342256458               HPoint-band3a                                                                                                         
    3   0.0008  1301  Y CVn                                12 45 07.83  +45 26 24.9  OT2_ylibert_2      HifiMapping         7989  2012-12-04T17:00:28  1342256428              get Herschel/HIFI observation #1342256428               HMap-band1a                                                                                                           
    4   0.0008  1297  Y CVN                                12 45 07.83  +45 26 24.9  OT2_jcernich_8     HifiFS              1652  2012-11-30T22:23:09  1342256311              get Herschel/HIFI observation #1342256311               YCVN-HCN_13-12                                                                                                        
    5   0.0008  1296  Y CVn                                12 45 07.83  +45 26 24.9  OT2_ylibert_2      HifiMapping        39316  2012-11-30T05:15:20  1342256276              get Herschel/HIFI observation #1342256276               HMap-band3a                                                                                                           
    6   0.0008  1269  Y CVn                                12 45 07.83  +45 26 24.9  OT2_ldecin_4       PacsLineSpec         845  2012-11-02T18:41:35  1342254306  get Herschel/PACS observation #1342254306                           Y CVn-A                                                                                                               
    7   0.0008  1269  Y CVn                                12 45 07.83  +45 26 24.9  OT2_ldecin_4       PacsRangeSpec       2353  2012-11-02T18:00:11  1342254305  get Herschel/PACS observation #1342254305                           Y CVn Range                                                                                                           
    8   0.0008  1269  Y CVn                                12 45 07.83  +45 26 24.9  OT2_ldecin_4       PacsLineSpec        1150  2012-11-02T17:38:48  1342254304  get Herschel/PACS observation #1342254304                           Y CVn-B                                                                                                               
    9   0.0008  1129  Y CVN                                12 45 07.83  +45 26 24.9  OT2_jcernich_8     HifiFS               639  2012-06-16T06:44:30  1342247080              get Herschel/HIFI observation #1342247080               YCVN-HCN_9-8B                                                                                                         
   10   0.0008  1128  Y CVN                                12 45 07.83  +45 26 24.9  OT2_jcernich_8     HifiFS              1796  2012-06-15T15:32:01  1342247044              get Herschel/HIFI observation #1342247044               YCVN-HCN_11-10                                                                                                        
   11   0.0008  1128  Y CVn                                12 45 07.83  +45 26 24.9  OT2_jcernich_8     HifiFS              1094  2012-06-15T14:25:25  1342247040              get Herschel/HIFI observation #1342247040               YCVN-HCN_7-6                                                                                                          
   12   0.0008  1128  Y CVn                                12 45 07.83  +45 26 24.9  OT2_jcernich_8     HifiFS              1170  2012-06-14T22:06:16  1342247025              get Herschel/HIFI observation #1342247025               YCVN-HCN_10-9                                                                                                         
   13   0.0008  1128  Y CVN                                12 45 07.83  +45 26 24.9  OT2_jcernich_8     HifiFS              1276  2012-06-14T21:36:48  1342247023              get Herschel/HIFI observation #1342247023               YCVN-HCN_8-7                                                                                                          
   14   0.0008  1105  Y CVN                                12 45 07.83  +45 26 24.9  OT2_jcernich_8     HifiFS               794  2012-05-22T23:29:56  1342246011              get Herschel/HIFI observation #1342246011               YCVN-HCN_9-8                                                                                                          
   15   0.0008  1100  Y CVN                                12 45 07.83  +45 26 24.9  OT2_jcernich_8     HifiFS              1142  2012-05-18T15:53:58  1342246497              get Herschel/HIFI observation #1342246497               YCVN-HCN_12-11                                                                                                        
   16   0.0008  1100  Y CVn                                12 45 07.83  +45 26 24.9  OT2_jcernich_8     HifiFS               981  2012-05-18T15:28:55  1342246495              get Herschel/HIFI observation #1342246495               YCVN-HCN_6-5                                                                                                          
   17   0.0008   406  Y CVn                                12 45 07.83  +45 26 24.9  KPGT_vbujarra_1    HifiPoint            502  2010-06-24T06:03:25  1342199099              get Herschel/HIFI observation #1342199099               nSP_HStars-Set12f -Y CVn                                                                                              
   18   0.0008   406  Y CVn                                12 45 07.83  +45 26 24.9  KPGT_vbujarra_1    HifiPoint           1020  2010-06-24T05:45:02  1342199098              get Herschel/HIFI observation #1342199098               nSP_HStars-Set17 -Y CVn                                                                                               
   19   0.0008   405  Y CVn                                12 45 07.83  +45 26 24.9  KPGT_vbujarra_1    HifiPoint           1986  2010-06-23T09:29:01  1342199176              get Herschel/HIFI observation #1342199176               nSP_HStars-Set14gB -Y CVn - resched                                                                                   
   20   0.0008   405  Y CVn                                12 45 07.83  +45 26 24.9  KPGT_vbujarra_1    HifiPoint           1986  2010-06-23T08:54:31  1342199175              get Herschel/HIFI observation #1342199175               nSP_HStars-Set14g -Y CVn - resched                                                                                    
   21   0.0008   405  Y CVn                                12 45 07.83  +45 26 24.9  KPGT_vbujarra_1    HifiPoint            502  2010-06-23T08:44:45  1342199174              get Herschel/HIFI observation #1342199174               nSP_HStars-Set13 -Y CVn - resched                                                                                     
   22   0.0008   391  Y CVn                                12 45 07.83  +45 26 24.9  KPGT_vbujarra_1    HifiPoint            987  2010-06-09T13:43:55  1342197992              get Herschel/HIFI observation #1342197992               nSP_HStars-Set07e -Y CVn                                                                                              
   23   0.0008   221  Y CVN                                12 45 07.83  +45 26 24.9  KPGT_mgroen01_1    PacsPhoto           3091  2009-12-21T00:44:50  1342188331  get Herschel/PACS observation #1342188331                           PPhoto-Y_CVN_45                                                                                                       
   24   0.0008   221  Y CVN                                12 45 07.83  +45 26 24.9  KPGT_mgroen01_1    PacsPhoto           3091  2009-12-20T23:52:16  1342188330  get Herschel/PACS observation #1342188330                           PPhoto-Y_CVN_135                                                                                                      
   25   0.0008   216  Y CVn                                12 45 07.83  +45 26 24.9  KPGT_mgroen01_1    SpirePhoto          4861  2009-12-15T23:32:02  1342188157                          get Herschel/SPIRE observation #1342188157   SPhoto-0001 -R Dor - Y CVn

iso (18)

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     0.003  18402309  SWS02   25.07   35.10  Y CVN                           1996-05-19T14:30:29    386      7296  33"x20"             191.2826  +45.4402      KERIKSSO +    PROP_394
    2     0.006  16000926  SWS01    2.38   45.21  Y CVn                           1996-04-25T07:01:59   1834      6274  33"x20"             191.2825  +45.4402      AHESKE   +    MOLBANDS
    3     0.006  16001409  PHT03   -1.00   -1.00  Y CVN                           1996-04-25T14:38:19    620      6280  ------N/A------     191.2825  +45.4402      HWALKER  +    P32E2   
    4     0.006  16001410  PHT22   54.76  216.69  Y CVN                           1996-04-25T14:49:23    424      6281  181.4"x181.4"       191.2825  +45.4402      HWALKER  +    P32E2   
    5     0.006  16001411  PHT40    2.47    8.95  Y CVN                           1996-04-25T14:57:11    140      6282  24"x24"             191.2825  +45.4402      HWALKER  +    P32E2   
    6     0.006  16001412  PHT04   54.23   70.56  Y CVN                           1996-04-25T15:00:13    410      6283  180" D              191.2825  +45.4402      HWALKER  +    P32E2   
    7     0.006  59700301  SWS07    2.38   13.84  Y CVn                           1997-07-05T00:18:38   5596     25189  39"x10"             191.2825  +45.4402      TDEJONG  +    HCNFP   
    8     0.006  59700524  SWS06    3.19   27.14  Y CVN                           1997-07-05T02:19:56    778     25191  27"x14"             191.2825  +45.4402      KERIKSSO +    AGBSPEC2
    9     0.009  34600408  SWS06    2.94   14.34  Y CVN                           1996-10-27T15:42:33    724     14500  27"x14"             191.2824  +45.4402      KERIKSSO +    PROP_394
   10     0.013  35700409  PHT03    5.61  117.55  Y CVN                           1996-11-07T14:08:56    620     14970  99" D               191.2823  +45.4402      HWALKER  +    P32E2   
   11     0.013  35700410  PHT22   54.76  216.69  Y CVN                           1996-11-07T14:20:00    520     14971  181.4"x181.4"       191.2823  +45.4402      HWALKER  +    P32E2   
   12     0.013  35700411  PHT40    2.47    8.95  Y CVN                           1996-11-07T14:29:24    140     14972  24"x24"             191.2823  +45.4402      HWALKER  +    P32E2   
   13     0.013  35700412  PHT04   54.23   70.56  Y CVN                           1996-11-07T14:32:26    410     14973  180" D              191.2823  +45.4402      HWALKER  +    P32E2   
   14     0.017  19500730  LWS01   43.01  195.89  Y Cvn                           1996-05-30T06:31:11   1970      7712  84" D               191.2828  +45.4400      MBARLOW  +    DUST1   
   15     0.022  16001116  PHT32   78.50  116.92  Y CVn                           1996-04-25T09:24:53   3250      6276  31'x549"            191.2827  +45.4399      HIZUMIUR +    REDSTAR2
   16     0.022  16001117  PHT32  146.42  202.26  Y CVn                           1996-04-25T10:20:23   3226      6277  32'x733"            191.2827  +45.4399      HIZUMIUR +    REDSTAR2
   17     5.997  16001413  PHT03   54.23   70.56  Y CVN   OFF                     1996-04-25T15:08:03    230      6284  180" D              191.2826  +45.5402      HWALKER  +    P32E2   
   18     5.997  35700413  PHT03   54.23   70.56  Y CVN   OFF                     1996-11-07T14:40:12    230     14974  180" D              191.2823  +45.5402      HWALKER  +    P32E2

External archives :

Data at NED - NASA/IPAC Extragalactic Database : y cvn

Link by name to the catalogue in VizieR :

HD 110914 AG+45 1021 BD+46 1817 CGCS 3283 DO 34179
FK5 1327 GSC 03459-02147 HIC 62223 HIP 62223 HR 4846
IRAS 12427+4542 IRC +50219 2MASS J12450780+4526249 PLX 2936 PPM 53169
RAFGL 1576 SAO 44317 TYC 3459-2147-1 V* Y CVn Gaia DR3 1542553623374596352
Gaia DR2 1542553623370677504

Search by coordinates in Vizier (radius: 5 arcsec)

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 .
Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

display existing annotations (1)

add an annotation to this object

report an error concerning the data of this object

2023.11.29-20:06:06

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