(cba:news) outburst of X-ray source 1RXS J074112.2-094529
jop at astro.columbia.edu
Fri Jan 13 14:58:24 EST 2012
This vsnet message refers to a new star, very likely a freshly erupted
short-period dwarf nova. Probably just up our alley, decently
equatorial and transiting near midnight. Can someone observe it and
suggest a comparison star for most of us to use?
Also, I wanted again to commend Paloma = RX0524+42. For those of you
with a little extra by way of aperture, courage, or effrontery, it will
be a great target. (Around 17.5, but with a *large* amplitude
variation.) Gotta be long time series, though - the light curve is
complex, and will never surrender to the faint of heart. The star is
probably an asynchronous AM Her star, but it has at least 3 prominent
periods in its light curve (actually >8, but 3 independent).
No change in other targets. As Enrique pointed out, the ER UMa campaign
is going great... but BK Lyn, in the same part of the sky, needs your
love too - and is somewhat the easier target, since the up-and-down
ramps are less bothersome.
> MPRE 2012-0001
> R.A. 07h41m12s.70
> Decl. -09o45'55".9 (2000.0)
> Mag. 14.1-<15.6C
> Type ?
> = 1RXS J074112.2-094529
> I checked the Minor Planet Checker, the SIMBAD database and 2MASS
> images, and found nothing at this position.
GSC 2.3.2 has a 19.1(Bj) mag counterpart. The object looks like
a dwarf nova with a relatively large outburst amplitude.
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