[vsnet-campaign-dn 10212] Observations of ASASSN14ac, UT 2014 Jan 20, from Kitt Peak

Michael Richmond mwrsps at rit.edu
Fri Feb 14 07:17:12 JST 2014


  VSNET-san,

       I observed ASASSN14ac from Kitt Peak on UT 2014 Jan 20, 
using the WIYN 0.9-m telescope and an R-band filter.
My measurements cover only about 1.6 hours, but perhaps 
they may be of interest.  I saw no evidence for variability at
this time over the short timespan; the data have a scatter
of about 0.01 mag.

      Below are my observations.   

      I have one other dataset of similar size and quality
from two nights later.  If you would like me to send you that
dataset, please let me know via E-mail.

                                 Michael Richmond

------------------ ASASSN14ac from UT 2014 Jan 20 follows -----------

# Measurements of ASASSN14ac made at WIYN 0.9-m, Jan 21, 2014 UT, 
#    in good conditions, 
#    by Michael Richmond, using HDI and R filter.  
# Exposures 30 seconds long. 
# Tabulated times are midexposure (FITS header time - half exposure length) 
#    and accurate only to +/- 1 second (??). 
# 'mag' is a differential magnitude based on ensemble photometry 
#    using a circular aperture of radius 1.7 arcseconds.  
#    which has been shifted so UCAC4 716-046809 has mag=12.583 
#    which is its R-band magnitude according to UCAC4.  
# 
# UT_day             JD            HJD        mag    uncert
Jan21.46213     2456678.96213  2456678.96687  14.805  0.007 
Jan21.46581     2456678.96581  2456678.97055  14.816  0.007 
Jan21.46657     2456678.96657  2456678.97131  14.815  0.007 
Jan21.46735     2456678.96735  2456678.97209  14.817  0.007 
Jan21.46813     2456678.96813  2456678.97287  14.818  0.007 
Jan21.46890     2456678.96890  2456678.97364  14.815  0.007 
Jan21.46968     2456678.96968  2456678.97442  14.817  0.007 
Jan21.47122     2456678.97122  2456678.97596  14.830  0.007 
Jan21.47199     2456678.97199  2456678.97673  14.818  0.007 
Jan21.47277     2456678.97277  2456678.97751  14.807  0.007 
Jan21.47354     2456678.97354  2456678.97828  14.822  0.007 
Jan21.47432     2456678.97432  2456678.97906  14.814  0.007 
Jan21.47509     2456678.97509  2456678.97983  14.818  0.007 
Jan21.47587     2456678.97587  2456678.98061  14.819  0.007 
Jan21.47664     2456678.97664  2456678.98138  14.838  0.008 
Jan21.47742     2456678.97742  2456678.98216  14.834  0.007 
Jan21.47818     2456678.97818  2456678.98292  14.829  0.007 
Jan21.47896     2456678.97896  2456678.98370  14.833  0.007 
Jan21.47973     2456678.97973  2456678.98447  14.823  0.007 
Jan21.48051     2456678.98051  2456678.98525  14.829  0.007 
Jan21.48128     2456678.98128  2456678.98602  14.832  0.007 
Jan21.48206     2456678.98206  2456678.98680  14.840  0.008 
Jan21.48284     2456678.98284  2456678.98758  14.835  0.007 
Jan21.48361     2456678.98361  2456678.98835  14.832  0.007 
Jan21.48438     2456678.98438  2456678.98912  14.832  0.007 
Jan21.48515     2456678.98515  2456678.98989  14.834  0.007 
Jan21.48593     2456678.98593  2456678.99067  14.827  0.007 
Jan21.48670     2456678.98670  2456678.99144  14.824  0.007 
Jan21.48748     2456678.98748  2456678.99222  14.824  0.007 
Jan21.48825     2456678.98825  2456678.99299  14.817  0.007 
Jan21.48903     2456678.98903  2456678.99377  14.818  0.007 
Jan21.48979     2456678.98979  2456678.99453  14.816  0.007 
Jan21.49057     2456678.99057  2456678.99531  14.824  0.007 
Jan21.49134     2456678.99134  2456678.99608  14.819  0.007 
Jan21.49212     2456678.99212  2456678.99686  14.818  0.007 
Jan21.49289     2456678.99289  2456678.99763  14.817  0.007 
Jan21.49367     2456678.99367  2456678.99841  14.814  0.007 
Jan21.49444     2456678.99444  2456678.99918  14.825  0.007 
Jan21.49521     2456678.99521  2456678.99995  14.821  0.007 
Jan21.49598     2456678.99598  2456679.00072  14.819  0.007 
Jan21.49676     2456678.99676  2456679.00150  14.815  0.007 
Jan21.49753     2456678.99753  2456679.00227  14.820  0.007 
Jan21.49831     2456678.99831  2456679.00305  14.823  0.007 
Jan21.49909     2456678.99909  2456679.00383  14.829  0.007 
Jan21.49985     2456678.99985  2456679.00459  14.835  0.007 
Jan20.50062     2456679.00062  2456679.00536  14.821  0.007 
Jan20.50140     2456679.00140  2456679.00614  14.837  0.007 
Jan20.50218     2456679.00218  2456679.00692  14.832  0.007 
Jan20.50295     2456679.00295  2456679.00769  14.830  0.007 
Jan20.50373     2456679.00373  2456679.00847  14.819  0.007 
Jan20.50450     2456679.00450  2456679.00924  14.845  0.009 
Jan20.50527     2456679.00527  2456679.01001  14.824  0.007 
Jan20.50604     2456679.00604  2456679.01078  14.823  0.007 
Jan20.50682     2456679.00682  2456679.01156  14.829  0.007 
Jan20.50759     2456679.00759  2456679.01233  14.826  0.007 
Jan20.50837     2456679.00837  2456679.01311  14.827  0.007 
Jan20.50914     2456679.00914  2456679.01388  14.822  0.007 
Jan20.50991     2456679.00991  2456679.01465  14.808  0.007 
Jan20.51068     2456679.01068  2456679.01542  14.826  0.007 
Jan20.51146     2456679.01146  2456679.01620  14.819  0.007 
Jan20.51284     2456679.01284  2456679.01758  14.814  0.007 
Jan20.51361     2456679.01361  2456679.01835  14.805  0.007 
Jan20.51439     2456679.01439  2456679.01913  14.806  0.007 
Jan20.51516     2456679.01516  2456679.01990  14.807  0.007 
Jan20.51594     2456679.01594  2456679.02068  14.819  0.007 
Jan20.51670     2456679.01670  2456679.02144  14.810  0.007 
Jan20.51825     2456679.01825  2456679.02299  14.803  0.007 
Jan20.51903     2456679.01903  2456679.02377  14.802  0.007 
Jan20.51980     2456679.01980  2456679.02454  14.816  0.007 
Jan20.52058     2456679.02058  2456679.02532  14.818  0.007 
Jan20.52135     2456679.02135  2456679.02609  14.794  0.007 
Jan20.52213     2456679.02213  2456679.02687  14.819  0.007 


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