2025ApJS..277...29H

Query : 2025ApJS..277...29H

2025ApJS..277...29H - Astrophys. J., Suppl. Ser., 277, 29 (2025/March-0)

Stunted Outbursts and Z Cam-like Behaviors in the Long-term Light Curves of Novalike Cataclysmic Variables.

HONEYCUTT R.K., ROBERTSON J.W. and RADZOM B.T.

Abstract (from CDS):

A program of long-term ground-based photometric monitoring of 134 old novae and novalike cataclysmic variables (CVs) has been concluded. In this paper, we display, analyze, and discuss the light curves of 33 of these targets, which have shown “stunted” outbursts (StOBs) during the years 1990-2014. Because our light curves have long time baselines and strong homogeneity, most of our analysis centers on the aggregate properties of StOBs to take advantage of the strengths of our data sets, as opposed to more detailed analysis of individual systems. The StOBs amplitudes exhibit a range of ∼0.14-1.35 mag, with a peak near ∼0.55 mag and durations in the range of ∼5-50 days. We have provided additional targets including FY Per, X Ser, CT Ser, and BK Lyn. A few Z Cam stars were also monitored, providing a photometric comparison of Z Cam and StOB stars at a common cadence and sampling. We refine the properties of the small StOBs and better characterize their relationship to somewhat similar photometric features in Z Cam-type dwarf novae as well as IW And-type and AH Pic-type phenomena. We also compare our ground-based photometry of four CVs displaying StOBs with results from published Kepler mission photometry. The dense spacing and high precision of the Kepler data reveal faint excursions (dips) that are numerous for some CVs, while the ground-based data cover a wider range of CV types. Ultimately, we find that our data provide evidence for both accretion disk instabilities and rapid mass transfer modulation episodes as probable StOB contributing mechanisms.

Abstract Copyright: © 2025. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Novae - Cataclysmic variable stars - Nova-like variable stars - Z Camelopardalis stars - Optical bursts

Status at CDS : Associated data (images, light curves, etc...) being ingested in VizieR.

Simbad objects: 64

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Number of rows : 64
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* V513 Cas CV* 00 18 14.9151594912 +66 18 13.656069684   16.7       ~ 34 0
2 V* IW And CV* 01 01 08.9070026424 +43 23 25.791345060     15.0 14.52   sdOB 56 0
3 V* TT Tri CV* 01 31 59.8601500776 +29 49 22.060466364           ~ 37 0
4 V* AY Psc CV* 01 36 55.4595948432 +07 16 29.272748916   16.43 16.28 15.79   ~ 61 0
5 V* BO Cet CV* 02 06 39.2729397216 -02 03 42.590510064   14.447 14.341 14.478   ~ 35 0
6 V* RW Tri CV* 02 25 36.1556820000 +28 05 50.891220600   13.50 12.50     M0V 324 0
7 HS 0229+8016 CV* 02 35 58.2097250160 +80 29 44.285975556   13.9 13.9     ~ 21 0
8 V* GK Per No* 03 31 12.0098863320 +43 54 15.469951212   14.139 13.090 12.589   K1IV 986 0
9 V* OV Tau CV* 03 46 06.2672967264 +29 41 14.734618512           ~ 32 0
10 V* V1294 Tau CV* 04 00 37.2551443560 +06 22 45.921425232   15.6       ~ 29 0
11 V* FY Per CV* 04 41 56.6371042152 +50 42 36.032846544   12.546 12.245 12.634   ~ 44 0
12 HS 0455+8315 CV* 05 06 48.2817271272 +83 19 23.254416264   15.539 15.453 15.222   ~ 20 0
13 NGC 1848 As* 05 08 10.850 -71 10 24.60   9.78 9.73     ~ 22 0
14 NGC 1876 Cl* 05 13 19.04 -69 21 44.5           ~ 19 0
15 2E 1224 CV* 05 13 36.5693562840 +77 28 42.782628216   15.3 15.4     ~ 19 0
16 V* V1193 Ori CV* 05 16 26.6714235480 -00 12 14.307002172   13.95 14.0     ~ 52 0
17 NGC 1903 Cl* 05 17 22.700 -69 20 08.17           ~ 67 1
18 NGC 1910 As* 05 18 42.50 -69 14 12.1     9.65     ~ 52 1
19 NGC 1918 SNR 05 19 04.50 -69 38 56.0           ~ 105 0
20 NGC 1919 Cl* 05 20 09 -66 52.4           ~ 4 0
21 NGC 1920 Cl* 05 20 33 -66 46.7     12.54     ~ 8 1
22 NGC 1929 Cl* 05 21 38.16 -67 54 43.2   14.0       ~ 26 0
23 IC 2127 EmO 05 22 12.532 -67 58 31.92     11.60     ~ 107 1
24 NGC 1948 As* 05 24 20.00 -66 24 12.0   10.81 10.61     ~ 110 0
25 V* CN Ori CV* 05 52 07.7842206216 -05 25 00.543695772           ~ 184 0
26 V* V405 Aur CV* 05 57 59.2934496792 +53 53 44.926489464           ~ 140 0
27 V* HQ Mon CV* 07 11 33.7380472944 +00 52 06.662054100           ~ 28 0
28 V* GI Mon No* 07 26 47.1066965424 -06 40 29.708015988           ~ 62 0
29 ATO J116.8200+42.8136 CV* 07 47 16.7980130040 +42 48 49.046326884           O8/O9 10 0
30 V* SU UMa CV* 08 12 28.2695986944 +62 36 22.427676396           B2 516 0
31 V* AC Cnc CV* 08 44 27.1121665272 +12 52 31.995783264   13.80 14.15     K1-3V 154 0
32 V* SY Cnc CV* 09 01 03.3195626400 +17 53 56.030744400   12.757 12.498 12.078   ?+M0-V 166 0
33 V* BK Lyn CV* 09 20 11.2020621696 +33 56 42.356468364   13.97 13.99 14.72   ~ 125 1
34 V* ER UMa CV* 09 47 11.9410111200 +51 54 08.950092804 14.351 14.03 13.91 14.909 14.629 ~ 161 0
35 V* RW Sex CV* 10 19 56.6224471752 -08 41 56.106711816   10.674 10.645 10.747 10.598 DAe 216 0
36 1H 1025+220 CV* 10 28 00.0805880112 +21 48 13.573560492   16.46 16.37     ~ 36 0
37 V* CR Boo CV* 13 48 55.2218717736 +07 57 35.724118680     15.00     ~ 185 0
38 V* CT Ser No* 15 45 39.0752447088 +14 22 31.757902824   16.772 16.530     ~ 84 0
39 V* X Ser No* 16 19 17.6857680120 -02 29 29.533236000           ~ 74 0
40 V* AH Her CV* 16 44 10.0057431264 +25 15 01.942541352   12.44 12.71     K7V 249 0
41 V* V841 Oph No* 16 59 30.3744528816 -12 53 27.137707116   14.068 13.606 13.491   ~ 138 0
42 V* V825 Her CV* 17 18 36.9999462264 +41 15 51.154576704   14.32       ~ 52 0
43 1H 1726-058 CV* 17 30 21.9016405464 -05 59 31.840375236   17.04 16.15     ~ 96 0
44 V* V426 Oph CV* 18 07 51.6919772928 +05 51 47.804055084           ~ 182 0
45 V* AM Her CV* 18 16 13.2546725104 +49 52 04.759613537   15.124 14.808 13.525   M4.5-5Ve 1009 2
46 V* HR Lyr No* 18 53 25.0563891480 +29 13 37.666012692     15.4     ~ 74 0
47 ATO J284.0336+45.6277 CV* 18 56 08.0688168336 +45 37 40.144446012           ~ 20 0
48 V* V446 Her No* 18 57 21.5916294048 +13 14 29.316793632           ~ 152 0
49 NGC 6791 OpC 19 20 52.8 +37 46 40   10.52 9.5     ~ 1120 0
50 V* V523 Lyr CV* 19 21 07.3950071424 +37 47 56.271903940 17.70         ~ 36 0
51 V* V368 Aql No* 19 26 34.4601302448 +07 36 13.813232652           ~ 56 0
52 TYC 3556-325-1 CV* 19 31 29.1493336416 +45 59 06.100215324   12.46 12.68     DA 41 0
53 V* V476 Cyg No* 19 58 24.5056065864 +53 37 06.921041340           ~ 121 0
54 V* V794 Aql CV* 20 17 33.9158772576 -03 39 50.960495196           ~ 105 0
55 V* CM Del CV* 20 24 56.9280034920 +17 17 54.278576160       13.693   ~ 76 0
56 V* AE Aqr CV* 20 40 09.1598959176 -00 52 15.055595220   12.46 10.40   10.191 K3-5IV/V 705 0
57 V* Q Cyg No* 21 41 43.9277188104 +42 50 29.039122176           ~ 118 0
58 V* SS Cyg CV* 21 42 42.8034497592 +43 35 09.867842484 11.07 12.651 12.032 9.326   K5V 1324 1
59 V* UU Aqr CV* 22 09 05.7613016472 -03 46 17.688853416   13.998 13.919 13.735   ~ 153 0
60 V* CP Lac No* 22 15 41.1032963832 +55 37 01.322162256           ~ 142 1
61 V* DI Lac No* 22 35 48.4952851704 +52 42 59.641265592   14.89 14.51 14.48   ~ 126 0
62 GD 1662 CV* 23 29 00.4713595416 -29 46 45.980660100   13.054 12.980 13.099   OBe 191 0
63 V* HX Peg CV* 23 40 23.6981168832 +12 37 41.711624724   14.43 14.29 15.87   DAs 61 0
64 V* BC Cas CV* 23 51 17.4224307408 +60 18 10.153528776           ~ 32 0

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