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star catalog does not contain human readable names anymore #2695

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maxnoe opened this issue Feb 5, 2025 · 0 comments
Open

star catalog does not contain human readable names anymore #2695

maxnoe opened this issue Feb 5, 2025 · 0 comments

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@maxnoe
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maxnoe commented Feb 5, 2025

Before:

>>> get_bright_stars(magnitude_cut=2)
Downloading yale_bright_star_catalog5.fits.gz: 100%|█████████████████████████████| 220k/220k [00:00<00:00, 1.60MB/s]
<Table length=48>
  HR     Name      HD     Vmag    B-V          SpType                        ra_dec                
                          mag     mag                                       deg,deg                
int16  bytes10   int32  float32 float32       bytes20                       SkyCoord               
----- ---------- ------ ------- ------- -------------------- --------------------------------------
  472    Alp Eri  10144    0.46   -0.16                B3Vpe  24.428749999999997,-57.23666666666666
 1017  33Alp Per  20902    1.79    0.48                 F5Ib   51.080833333333324,49.86111111111111
 1457  87Alp Tau  29139    0.85    1.54               K5+III   68.97999999999999,16.509166666666665
 1708  13Alp Aur  34029    0.08    0.80         G5IIIe+G0III    79.17249999999999,45.99805555555555
 1713  19Bet Ori  34085    0.12   -0.03                B8Ia:   78.63458333333332,-8.201666666666666
 1790  24Gam Ori  35468    1.64   -0.22                B2III    81.28291666666665,6.349722222222222
 1791 112Bet Tau  35497    1.65   -0.13                B7III   81.57291666666666,28.607499999999995
 1903  46Eps Ori  37128    1.70   -0.19                 B0Ia  84.05333333333333,-1.2019444444444443

Now:

>>> get_bright_stars(Time.now(), magnitude_cut=2)
/home/maxnoe/.local/conda/envs/cta-dev/lib/python3.11/site-packages/erfa/core.py:133: ErfaWarning: ERFA function "pmsafe" yielded 9095 of "distance overridden (Note 6)", 1 of "binary logical OR of the above warnings"
  warn(f'ERFA function "{func_name}" yielded {wmsg}', ErfaWarning)
<Table length=48>
    pmRA        pmDE      Vmag    HR                  ra_dec                
arcsec / yr arcsec / yr   mag                        deg,deg                
  float32     float32   float32 int16                SkyCoord               
----------- ----------- ------- ----- --------------------------------------
      0.095      -0.035    0.46   472 15.001216083560452,-57.000244007563666
      0.024      -0.025    1.79  1017  45.000255042491936,48.999825704389586
      0.063      -0.190    0.85  1457  60.000456921690095,15.998675355050732
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