[vsnet-preprint 9] HS 1449+6415 (= RX J1450+6403)

[Daisaku Nogami <daisaku@uni-sw.gwdg.de>]

Dear colleagues,

We have submitted our paper on HS 1449+6415 to the A&A Main
Journal.  The abstract is attached below.  The preprint is
available from me (daisaku@uni-sw.gwdg.de), or via the VSNET
preprint archive:
http://ftp.kusastro.kyoto-u.ac.jp/pub/vsnet/preprints/HS1449/

Best regards,
Daisaku Nogami

------------------(Abstract)------------------
We report time-resolved photometric observations of the Hamburg
Quasar Survey-selected dwarf nova HS\,1449+6415 (= RX\,J1450.5+6403)
during the interval from JD 2451672 to 2451724.  During a long
outburst with a duration of $\sim$12 days, we detected superhumps
with a period of 0$\fd$0601(5), revealing that this star is an
SU\,UMa star.  A short outburst which lasted 3 days was found about
40 days after the onset of the superoutburst.  From quiescence
observations, we determine an orbital period of 0$\fd$05898(2).
The small outburst amplitude of $\sim$3.5 mag, the short orbital
period, and the normal outburst cycle length suggest that
HS\,1449+6415 is an intermediate object between ER\,UMa stars
with high mass-transfer rates and WZ\,Sge stars with very low
mass-transfer rates.

VSNET Home Page

---

vsnet-adm@kusastro.kyoto-u.ac.jp

VSNET Home Page

Return to Daisaku Nogami

---

vsnet-adm@kusastro.kyoto-u.ac.jp