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2006MNRAS.369..581W - Mon. Not. R. Astron. Soc., 369, 581-597 (2006/June-3)
The properties of cataclysmic variables in photometric Hα surveys.
WITHAM A.R., KNIGGE C., GANSICKE B.T., AUNGWEROJWIT A., CORRADI R.L.M., DREW J.E., GREIMEL R., GROOT P.J., MORALES-RUEDA L., RODRIGUEZ-FLORES E.R., RODRIGUEZ-GIL P. and STEEGHS D.
Abstract (from CDS):
Our key results are as follows: (i) the recovery rate of known CVs as Hα emitters in a survey like IPHAS is ≃70 per cent; (ii) of the ≃30 per cent of CVs which were not recovered ≃75 per cent were clearly detected but did not exhibit a significant Hα excess at the time of our observations; (iii) the recovery rate depends only weakly on CV type; (iv) the recovery rate depends only weakly on orbital period; (v) short-period dwarf novae tend to have the strongest Hα lines. These results imply that photometric emission-line searches provide an efficient way of constructing CV samples that are not biased against detection of intrinsically faint, short-period systems.
Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS
Journal keyword(s): surveys - binaries: close - novae, cataclysmic variables
CDS comments: In table 1 : M5 V101 = Cl* NGC 5904 SAW V101.
Simbad objects: 75
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