[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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