2022MNRAS.510.3605I

Query : 2022MNRAS.510.3605I

2022MNRAS.510.3605I - Mon. Not. R. Astron. Soc., 510, 3605-3621 (2022/March-1)

ASAS J071404+7004.3 - a close, bright nova-like cataclysmic variable with gusty winds.

INIGHT K., GANSICKE B.T., BLONDEL D., BOYD D., ASHLEY R.P., KNIGGE C., LONG K.S., MARSH T.R., McCLEERY J., SCARINGI S., STEEGHS D., THORSTENSEN J.R., VANMUNSTER T. and WHEATLEY P.J.

Abstract (from CDS):

Despite being bright (V ≃ 11.8) and nearby (d = 212 pc) ASAS J071404+7004.3 has only recently been identified as a nova-like cataclysmic variable. We present time-resolved optical spectroscopy obtained at the Isaac Newton and the Hiltner and McGraw-Hill Telescopes, together with Swift X-ray and ultraviolet observations. We combined these with TESS photometry and find a period of 3.28 h and a mass transfer rate of 4-9×10–9 M☉ yr–1. Historical photometry shows at least one low state establishing the system as a VY Scl star. Our high-cadence spectroscopy also revealed rapidly changing winds emanating from the accretion disc. We have modelled these using the Monte Carlo PYTHON code and shown that all the emission lines could emanate from the wind - which would explain the lack of double-peaked lines in such systems. In passing, we discuss the effect of variability on the position of cataclysmic variables in the Gaia Hertzsprung-Russell diagram.

Abstract Copyright: © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): stars: evolution - Hertzsprung-Russell and colour-magnitude diagrams

Simbad objects: 32

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Number of rows : 32
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* BG Tri CV* 01 44 47.5789482840 +32 32 59.879855472   11.66 11.76 11.84   ~ 14 0
4 V* TT Ari CV* 02 06 53.0797508832 +15 17 41.851038804   10.73 10.20     Bep: 459 0
5 V* RW Tri CV* 02 25 36.1556820000 +28 05 50.891220600   13.50 12.50     M0V 324 0
6 EGB 4 CV* 06 29 33.9600353880 +71 04 36.394613580   13.29 13.27 13.04   ~ 170 0
7 1RXS J071404.0+700413 CV* 07 14 04.6544846424 +70 04 18.400751472   11.86 11.83 11.71   ~ 21 0
8 V* U Gem CV* 07 55 05.2324414746 +22 00 05.044127985   15.3 14.54     DA 1135 0
9 V* EZ Lyn CV* 08 04 34.2185575584 +51 03 49.366034352       17.4   DC: 85 0
10 V* IX Vel CV* 08 15 18.9688659456 -49 13 20.671780368 8.64 10.04 10.10 9.84 9.347 sdOBe 253 0
11 PG 0818+513 CV* 08 22 36.0475955184 +51 05 24.558779364   15.73       ~ 127 0
12 V* Z Cam CV* 08 25 13.1986690656 +73 06 39.284964108   12.006 11.927 11.712   ~ 554 0
13 V* AC Cnc CV* 08 44 27.1121665272 +12 52 31.995783264   13.80 14.15     K1-3V 154 0
14 V* BZ UMa CV* 08 53 44.1735972456 +57 48 40.593710304   15.95 17.58 14.98 15.38 M5.5:Ve 164 0
15 V* GY Cnc CV* 09 09 50.5407550968 +18 49 47.429496300           ~ 87 0
16 V* SW Sex CV* 10 15 09.3769935988 -03 08 32.850732738           ~ 223 0
17 V* RW Sex CV* 10 19 56.6224471752 -08 41 56.106711816   10.674 10.645 10.747 10.598 DAe 216 0
18 V* DW UMa CV* 10 33 52.8751411128 +58 46 54.717259044   14.33   14.33 14.35 ~ 254 0
19 V* AR UMa CV* 11 15 44.5891034908 +42 58 22.431026739     16.4     O9I 154 0
20 SDSS J120841.96+355025.2 CV* 12 08 42.0097813752 +35 50 25.389961512           ~ 32 0
21 V* AM CVn CV* 12 34 54.6231062664 +37 37 44.120620056   14.02 14.13 14.47   DBnnp 434 0
22 V* V1129 Cen CV* 12 39 07.8948742128 -45 33 44.146042668   9.99 9.65 9.46   F2V 32 0
23 V* UX UMa CV* 13 36 40.9531256400 +51 54 49.423353228   12.78 13.26     sdOB 556 0
24 V* HP Lib CV* 15 35 53.0715009672 -14 13 12.215196048   13.55       Bpec 112 0
25 V* AP CrB CV* 15 54 12.3454476576 +27 21 52.290975024     16.87 16.5   M3 47 0
26 LS IV -08 3 CV* 16 56 29.6223906432 -08 34 38.705979432   11.73 11.54     sdB 27 0
27 V* V341 Ara CV* 16 57 41.5109503512 -63 12 38.437536060   10.598 10.573 10.801 10.587 OB 49 0
28 V* MV Lyr CV* 19 07 16.2886463256 +44 01 07.869892008   13.040 12.920 12.489 12.578 M5Ve 307 0
29 CD-42 14462 CV* 19 47 40.5290567472 -42 00 26.395115580 9.65 10.362 10.308 10.520   sdB 243 0
30 Lan 386 CV* 21 08 33.9690140068 +39 05 35.239208092   15.8       ~ 15 0
31 V* UU Aqr CV* 22 09 05.7613016472 -03 46 17.688853416   13.998 13.919 13.735   ~ 153 0
32 GD 1662 CV* 23 29 00.4713595416 -29 46 45.980660100   13.054 12.980 13.099   OBe 191 0

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