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ALFOSC spectroscopic flux-standard stars

The flux-standards below are all in a dedicated TCS catalogue:
  • on the TCS user-interface type:     read FS.cat

    The exposure times in the table are purely indicative, and will depend on the grism and slit that are used.

    name TCS catalog entryspectral typeexp timeESO/HST
    HD 19445 SP0305+261 03:05:28.6 26:09:06 Mean 1950 -0.010 -0.830 8.0sdF (red) 5
    He 3; GJ 246SP0644+375 06:44:14.8 37:35:03 Mean 1950 -0.010 -0.910 12.1DA (blue) 150
    HD 84937 SP0946+139 09:46:12.0 13:59:17 Mean 1950 +0.027 -0.790 8.3sdF (red) 6
    Feige 34 SP1036+433 10:36:41.0 43:21:49 Mean 1950 +0.000 +0.000 11.3sdO (blue) 90 yes
    HD 93521 SP1045+378 10:48:23.5 37:34:13 Mean 2000 +0.000 +0.010 7.0O9Vp (blue) 2 yes
    BD+26 2606SP1446+259 14:46:50.2 25:54:53 Mean 1950 +0.000 -0.350 9.7sdF (red) 25 yes
    BD+33 2642SP1550+330 15:51:59.9 32:56:53 Mean 2000 10.7B2IVp (blue)60 yes
    Wolf 1346SP2032+248 20:32:14.0 24:53:57 Mean 1950 -0.030 -0.550 11.6DA (blue) 100
    BD+17 4708SP2209+178 22:09:05.8 17:50:42 Mean 1950 +0.036 +0.050 9.4sdF (red) 15 yes
    Feige 110 SP2317-054 23:19:58.4 -05:09:57 Mean 2000 -0.011 -0.005 11.9DOp (blue) 150 yes

    name TCS catalog entryspectral typeexp timeESO/HST
    Hiltner 600 SP0642+021 06:45:13.37 02:08:14.7 Mean 2000 +0.001 -0.003 10.4B3 (blue) 40 yes
    GD71 GD71             05:52:27.61 15:53:13.8 Mean 2000 +0.085 -0.174 13.1DAw (blue) 300 yes
    GD153 GD153           12:57:02.34 22:01:52.7 Mean 2000 -0.046 -0.204 13.4DAw (blue) 300 yes
    Click on the objects, or check the ING pages for more information on these flux-standard stars, such as finding charts.
    Note that the TCS catalog holding the complete ING flux-standard list is called FS_ING.cat .


    The visibility plot of today:

     


  • Back to top Last modified: 13-Dec-2016