Photometric and Spectroscopic Studies of the Intermediate -Polar Cataclysmic System DQ Her

I. Zead; M. Saad; M. R. Sanad; M. M. Behary; K. Gadallah; A. Shokry

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Photometric and Spectroscopic Studies of the Intermediate -Polar Cataclysmic System DQ Her

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| May 23, 2017

Applied Mathematics and Nonlinear Sciences

Volume 2 (2017): Issue 1 (January 2017)

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Page range: 181 - 194

Received: Mar 05, 2017

Accepted: May 23, 2017

DOI: https://doi.org/10.21042/AMNS.2017.1.00015

Keywords
Photometric, spectroscopic studies, polar cataclysmic system, celestial dynamics

© 2017 I. Zead, M. Saad, M. R. Sanad, M. M. Behary, K. Gadallah, A. Shokry, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

HST spectrum of DQ Her with outburst flux at phase 0.79.

HST spectrum of DQ Her with intermediate flux at phase 0.43.

IUE spectrum of DQ Her with quiescence flux at phase 0.55.

the observed VRI phase diagrams of DQ HER folded with 4.6 day period.

Our CCD photometric observations in comparison with that collected from the AAVSO data base for DQ Her.

DQ Her observed phase diagram in comparison with that collected from the AAVSO data base.

Variation of the C IV line flux with phase of DQ Her The 1σ error bars are shown on each data point.

Variation of the He II line flux with phase of DQ Her The 1 σ error bars are shown on each data point.

list of CCD Photometry of DQ Her in I filter.

JD 2457624+	phase	v-c
0.222	0.683	0.504
0.232	0.735	0.537
0.237	0.759	0.528
0.242	0.784	0.496
0.246	0.809	0.556
0.251	0.833	0.610
0.256	0.858	0.689
0.261	0.883	0.984
0.266	0.908	1.556
0.270	0.933	2.246
0.275	0.958	2.203
0.280	0.983	1.570
0.285	0.008	1.104
0.290	0.033	0.866
0.295	0.057	0.748
0.299	0.083	0.636
0.304	0.107	0.599
0.309	0.132	0.643
0.314	0.157	0.619
0.319	0.182	0.551
0.323	0.206	0.575
0.328	0.231	0.603
0.333	0.256	0.609
0.338	0.281	0.614
0.343	0.306	0.487
0.347	0.330	0.523
0.352	0.356	0.447
0.357	0.380	0.503
0.362	0.406	0.517
0.367	0.430	0.511
0.372	0.455	0.491
0.376	0.480	0.461
0.381	0.505	0.472
0.386	0.529	0.429
0.391	0.556	0.485
0.396	0.580	0.476
0.401	0.605	0.505
0.405	0.630	0.490
0.410	0.655	0.556
0.415	0.680	0.520
0.420	0.708	0.545
0.425	0.732	0.551
0.430	0.757	0.548

list of CCD Photometry of DQ Her in R filter.

JD 2457624+	phase	v-c
0.220	0.674	0.429
0.226	0.702	0.424
0.230	0.726	0.456
0.235	0.751	0.435
0.240	0.776	0.403
0.245	0.801	0.402
0.250	0.825	0.493
0.254	0.850	0.538
0.259	0.875	0.731
0.264	0.900	1.430
0.269	0.925	2.507
0.274	0.950	3.080
0.278	0.975	2.096
0.283	0.999	1.276
0.298	0.074	0.620
0.303	0.099	0.558
0.307	0.124	0.578
0.312	0.149	0.597
0.317	0.174	0.514
0.322	0.198	0.507
0.327	0.223	0.574
0.331	0.248	0.564
0.336	0.272	0.590
0.341	0.297	0.509
0.351	0.347	0.405
0.355	0.372	0.417
0.360	0.398	0.497
0.365	0.422	0.423
0.370	0.447	0.438
0.375	0.472	0.433
0.380	0.497	0.407
0.384	0.521	0.359
0.389	0.547	0.438
0.394	0.572	0.425
0.399	0.597	0.482
0.404	0.622	0.468
0.409	0.647	0.501
0.414	0.672	0.511
0.419	0.699	0.470
0.424	0.724	0.501
0.428	0.749	0.509

List of HST observations for DQ Her.

Data ID	Exp Time(s)	Gratings	HJD 2440000+	Phase
Y1DZ0603T	2400	G190H	49275.3442	0.34
Y1DZ0602T	2169.361	G160L	49275.27584	0.28
Y1DZ0601T	2169.361	G160L	49275.21044	0.21
Y1DZ0501T	2169.361	G160L	49275.15263	0.15
Y2LU0604T	2400	G190H	49834.92946	0.93
Y2LU0603T	1737.476	G160L	49834.85829	0.86
Y2LU0602T	1737.476	G160L	49834.7912	0.79
Y2LU0601T	1737.476	G160L	49834.72603	0.73
Y2XPA103T	2418.216	G130H	50003.3599	0.36
Y2XPA102T	2418.216	G130H	50003.29308	0.29
Y2XPA104T	2243.053	G130H	50003.4261	0.43
Y2XPA101T	1717.566	G130H	50003.23115	0.23
Y2XPB203T	2418.216	G130H	50007.45564	0.46
Y2XPB202T	2418.216	G130H	50007.38878	0.39
Y2XPB201T	2340.365	G130H	50007.32284	0.32
Y2XPB204T	2262.516	G130H	50007.52198	0.52

Ultraviolet luminosities and accretion rate for the spectral line C IV (1550Å).

State	Flux	L_acc	$\overset{\cdot}{M}$ $\begin{array}{} \displaystyle \dot{M} \end{array}$
High	4.09 × 10⁻¹² (erg cm⁻²s⁻¹)	3.95× 10³¹(erg s⁻¹)	4.5× 10¹⁴(g s⁻¹)	7.17× 10⁻¹²M_⊙yr⁻¹
Intermediate	1.3×10⁻¹²(erg cm⁻²s⁻¹)	1.3×10³¹(erg s⁻¹)	1.44×10¹⁴(g s⁻¹)	2.29×10⁻¹²M_⊙yr⁻¹
Low	5.3×10⁻¹³(erg cm⁻²s⁻¹)	5.13×10³⁰(erg s⁻¹)	5.85×10¹³(g s⁻¹)	9.32×10⁻¹³M_⊙yr⁻¹

List of the comparison and the check of DQ Her.

ID	RA	DEC	Label	M_v
000-BCB-330	18:07:23.97	45:49:47.6	142	14.231
000-BCB-348	18:07:33.58	45:49:33.5	154	15.375

List of IUE observations for DQ Her.

Data ID	Exp Time(s)	HJD 2440000+	Phase
SWP06358	5400	4118.934	0.55
SWP06848	9900	4159.704	0.12
SWP07408	10800	4222.544	0.67
SWP09147	25200	4222.544	0.67
SWP09201	22200	4396.614	0.70
SWP17593	4800	5186.821	0.91
SWP17614	7200	5188.652	0.36
SWP17615	2400	5188.752	0.88
SWP25440	1440	6137.675	0.81
SWP25441	2400	6137.711	0.99
SWP25442	3600	6137.768	0.29
SWP27812	18300	6490.105	0.02

Ultraviolet luminosities and accretion rate for the spectral line He II (1640Å).

State	Flux	L_acc	$\overset{\cdot}{M}$ $\begin{array}{} \displaystyle \dot{M} \end{array}$
High	4.32×10⁻¹³(erg cm⁻²s⁻¹)	4.18×10³⁰(erg s⁻¹)	4.8×10¹³(g s⁻¹)	7.65×10⁻¹³M_⊙yr⁻¹
Intermediate	2.8×10⁻¹³(erg cm⁻²s⁻¹)	2.7×10³⁰(erg s⁻¹)	3.08×10¹³(g s⁻¹)	4.91×10⁻¹³M_⊙yr⁻¹
Low	1.98×10⁻¹³(erg cm⁻²s⁻¹)	1.9×10³⁰(erg s⁻¹)	2.18×10¹³(g s⁻¹)	3.47×10⁻¹³M_⊙yr⁻¹

list of CCD Photometry of DQ Her in V filter.

JD 2457624+	phase	v-c
0.219	0.666	0.319
0.224	0.693	0.267
0.229	0.718	0.328
0.234	0.743	0.295
0.238	0.768	0.290
0.243	0.792	0.241
0.248	0.817	0.328
0.253	0.842	0.340
0.258	0.867	0.402
0.262	0.892	1.030
0.267	0.917	2.183
0.272	0.942	3.391
0.277	0.966	2.605
0.282	0.991	1.469
0.286	0.016	0.930
0.291	0.041	0.688
0.296	0.066	0.529
0.301	0.091	0.449
0.306	0.116	0.456
0.311	0.140	0.483
0.315	0.165	0.404
0.320	0.190	0.358
0.325	0.215	0.452
0.330	0.240	0.475
0.335	0.264	0.493
0.339	0.289	0.436
0.344	0.314	0.332
0.349	0.339	0.375
0.354	0.364	0.291
0.359	0.389	0.349
0.364	0.414	0.334
0.368	0.439	0.340
0.373	0.464	0.324
0.378	0.488	0.273
0.383	0.513	0.284
0.388	0.539	0.315
0.393	0.564	0.343
0.397	0.589	0.408
0.402	0.614	0.394
0.407	0.639	0.380
0.412	0.663	0.435
0.417	0.691	0.362
0.422	0.716	0.369
0.427	0.741	0.369

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Photometric and Spectroscopic Studies of the Intermediate -Polar Cataclysmic System DQ Her

Published Online: May 23, 2017

Page range: 181 - 194

Received: Mar 05, 2017

Accepted: May 23, 2017

DOI: https://doi.org/10.21042/AMNS.2017.1.00015

Keywords
Photometric, spectroscopic studies, polar cataclysmic system, celestial dynamics

© 2017 I. Zead, M. Saad, M. R. Sanad, M. M. Behary, K. Gadallah, A. Shokry, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Fig. 6

Fig. 7

Fig. 8

Fig. 9

list of CCD Photometry of DQ Her in I filter.

list of CCD Photometry of DQ Her in R filter.

List of HST observations for DQ Her.

Ultraviolet luminosities and accretion rate for the spectral line C IV (1550Å).

List of the comparison and the check of DQ Her.

List of IUE observations for DQ Her.

Ultraviolet luminosities and accretion rate for the spectral line He II (1640Å).

list of CCD Photometry of DQ Her in V filter.

Photometric and Spectroscopic Studies of the Intermediate -Polar Cataclysmic System DQ Her

Published Online: May 23, 2017

Page range: 181 - 194

Received: Mar 05, 2017

Accepted: May 23, 2017

DOI: https://doi.org/10.21042/AMNS.2017.1.00015

KeywordsPhotometric, spectroscopic studies, polar cataclysmic system, celestial dynamics

© 2017 I. Zead, M. Saad, M. R. Sanad, M. M. Behary, K. Gadallah, A. Shokry, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Fig. 6

Fig. 7

Fig. 8

Fig. 9

list of CCD Photometry of DQ Her in I filter.

list of CCD Photometry of DQ Her in R filter.

List of HST observations for DQ Her.

Ultraviolet luminosities and accretion rate for the spectral line C IV (1550Å).

List of the comparison and the check of DQ Her.

List of IUE observations for DQ Her.

Ultraviolet luminosities and accretion rate for the spectral line He II (1640Å).

list of CCD Photometry of DQ Her in V filter.

Keywords
Photometric, spectroscopic studies, polar cataclysmic system, celestial dynamics