Searching for p-modes in MOST Procyon data: Another view

Details Searching for p-modes in MOST Procyon data: Another view Searching for p-modes in MOST Procyon data: Another view

2007-11-05

arxiv.org/abs/0711.0601v1

Astronomy and Astrophysics

Astrophysics

Article accepted, to appear in A&A

Scientific paper

10.1051/0004-6361:20077683

Photometry of Procyon obtained by the MOST satellite in 2004 has been searched for p modes by several groups, with sometimes contradictory interpretations. We explore two possible factors that complicate the analysis and may lead to erroneous reports of p modes in these data. Two methods are used to illustrate the role of subtle instrumental effects in the photometry: time-frequency analysis, and a search for regularly spaced peaks in a Fourier spectrum based on the echelle diagramme approach. We find no convincing evidence of a p-mode signal in the MOST Procyon data. We can account for an apparent excess of power close to the p-mode frequency range and signs of structure in an echelle diagramme in terms of instrumental effects.

Affiliated with

Also associated with

No associations

Rating

Searching for p-modes in MOST Procyon data: Another view does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Searching for p-modes in MOST Procyon data: Another view, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Searching for p-modes in MOST Procyon data: Another view will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-659846