2004MNRAS.347..861K

Query : 2004MNRAS.347..861K

2004MNRAS.347..861K - Mon. Not. R. Astron. Soc., 347, 861-872 (2004/January-3)

Photometric study of new southern SU UMa-type dwarf novae and candidates - III. NSV 10934, MM Sco, AB Nor and CAL 86.

KATO T., NELSON P., STOCKDALE C., MONARD B., RICHARDS T., STUBBINGS R., YAMAOKA H., HEATHCOTE B. and SANTALLO R.

Abstract (from CDS):

We photometrically observed four southern dwarf novae in outburst (NSV 10934, MM Sco, AB Nor and CAL 86). NSV 10934 was confirmed to be an SU UMa-type dwarf nova with a mean superhump period of 0.07478(1) d. This star also showed transient appearance of quasi-periodic oscillations during the final growing stage of the superhumps. Combined with the recent theoretical interpretation and with the rather unusual rapid terminal fading of normal outbursts, NSV 10934 may be a candidate intermediate polar showing SU UMa-type properties. The mean superhump periods of MM Sco and AB Nor were determined to be 0.06136(4) and 0.08438(2) d, respectively. We suggest that AB Nor belongs to a rather rare class of long-period SU UMa-type dwarf novae with low mass-transfer rates. We also observed an outburst of the suspected SU UMa-type dwarf nova CAL 86. We identified this outburst as a normal outburst and determined the mean decline rate of 1.1 mag/d.

Abstract Copyright: 2004 RAS

Journal keyword(s): stars: dwarf novae - stars: individual: NSV 10934 - stars: individual: MM Sco - stars: individual: AB Nor - stars: individual: CAL 86 - novae, cataclysmic variables

Simbad objects: 17

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Number of rows : 17
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* UV Per CV* 02 10 08.2720508904 +57 11 20.863265892           ~ 119 0
2 V* BC Dor CV* 05 46 14.9653018200 -68 35 23.810247708         15.829 DC: 28 0
3 V* YZ Cnc CV* 08 10 56.6511822192 +28 08 33.260657100     15.24     ~ 256 0
4 V* VZ Pyx CV* 08 59 19.8388698120 -24 28 55.257493908     14.08     ~ 69 0
5 V* DV UMa CV* 09 46 36.5964360384 +44 46 44.683031784   19.0       DA:+M 131 0
6 V* AB Nor CV* 15 49 15.4635893755 -43 04 48.530426465           ~ 20 0
7 V* MM Sco CV* 17 30 45.2351996044 -42 11 42.493377918           ~ 31 0
8 V* BF Ara CV* 17 38 21.3279286968 -47 10 41.551884804           ~ 47 0
9 GSC 09523-00351 * 18 37 08.0880570696 -83 45 28.717882236   13.0       ~ 1 0
10 V* DT Oct CV* 18 40 52.4023476744 -83 43 10.001234784           ~ 38 0
11 V* DM Lyr CV* 18 58 44.4381051744 +30 15 33.389060383           ~ 36 0
12 V* V725 Aql CV* 19 56 45.03 +10 49 32.7           ~ 44 0
13 V* MN Dra CV* 20 23 38.1862508040 +64 36 26.592618240           ~ 45 1
14 V* V503 Cyg CV* 20 27 17.3992939944 +43 41 22.504607556           ~ 138 0
15 V* KK Tel CV* 20 28 38.5099147224 -52 18 45.184064220   19.0   19.1   ~ 47 0
16 V* EF Peg CV* 21 15 04.1043202032 +14 03 49.389525792           ~ 80 0
17 V* TY PsA CV* 22 49 39.9054462120 -27 06 53.126335980   15.61 15.67 16.19   DA 105 0

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