Table 2. Open in new tab Values of...

#Epoch	Q^cont	p^cont	α / α*	θ_d / \|$\theta _{d}^{*}$\|	\|$\alpha ^{\rm Si\, {\small II}\lambda 6355}$\|	\|$\theta _{d}^{\rm Si\, {\small II}\lambda 6355}$\|	\|$\alpha ^{\rm Ca\, {\small II}\, NIR3}$\|	\|$\theta _{d}^{\rm Ca\, {\small II}\, NIR3}$\|
# 1	0.194 ± 0.125	0.209 ± 0.087	−0.061 ± 0.142 / +0.478 ± 0.131	23.8\|$_{-18.2}^{+7.9}$\| / \|$-33.5_{-2.7}^{+4.8}$\|	0.49 ± 0.13	\|$-31.4_{-3.5}^{+6.6}$\|	+0.478 ± 0.490	−32.0\|$_{-5.8}^{+26.1}$\|
−14.5 d	0.077 ± 0.073		1.093 ± 0.895 / −2.347 ± 0.791		−1.95 ± 0.77		−2.045 ± 1.836
# 2	0.008 ± 0.155	0.099 ± 0.080	−0.105 ± 0.005 / −0.108 ± 0.004	2.1\|$_{-1.3}^{+1.3}$\| / 1.4\|$_{-1.0}^{+1.0}$\|	−0.095 ± 0.012	5.6\|$_{-2.0}^{+1.9}$\|	−0.153 ± 0.015	\|$-6.2_{-2.3}^{+2.4}$\|
−11.4 d	−0.098 ± 0.078		0.0745 ± 0.046 / 0.050 ± 0.034		0.198 ± 0.071		−0.219 ± 0.086
# 3	−0.037 ± 0.091	0.075 ± 0.080	−0.065 ± 0.005 / −0.058 ± 0.005	2.4\|$_{-1.6}^{+1.6}$\| / 8.6\|$_{-1.4}^{+1.3}$\|	−0.026 ± 0.018	14.2\|$_{-2.2}^{+2.1}$\|	−0.131 ± 0.018	18.4\|$_{-3.4}^{+2.9}$\|
−6.4 d	−0.065 ± 0.081		0.085 ± 0.055 / 0.310 ± 0.051		0.541 ± 0.097		0.748 ± 0.171
# 4	0.109 ± 0.107	0.110 ± 0.100	+0.0056 ± 0.0044 / −0.0026 ± 0.0036	0.1\|$_{-1.2}^{+1.2}$\| / 4.3\|$_{-1.0}^{+1.0}$\|	−0.013 ± 0.011	5.3\|$_{-1.9}^{+1.8}$\|	−0.107 ± 0.017	20.9\|$_{-3.2}^{+2.7}$\|
+0.5 d	−0.014 ± 0.099		0.021 ± 0.043 / 0.150 ± 0.037		0.186 ± 0.067		0.893 ± 0.184
# 5	0.177 ± 0.119	0.186 ± 0.105	0.157 ± 0.014 / 0.103 ± 0.012	\|$-10.0_{-1.7}^{+1.8}$\| / \|$-2.1_{-1.9}^{+2.0}$\|	−0.0098 ± 0.0195	14.5\|$_{-3.3}^{+2.9}$\|	−0.190 ± 0.037	22.4\|$_{-3.7}^{+3.0}$\|
+14.5 d	0.056 ± 0.102		−0.362 ± 0.071 / −0.073 ± 0.069		0.555 ± 0.143		0.991 ± 0.228

#Epoch

Q^cont

p^cont

α / α*

θ_d / |$\theta _{d}^{*}$|

|$\alpha ^{\rm Si\, {\small II}\lambda 6355}$|

|$\theta _{d}^{\rm Si\, {\small II}\lambda 6355}$|

|$\alpha ^{\rm Ca\, {\small II}\, NIR3}$|

|$\theta _{d}^{\rm Ca\, {\small II}\, NIR3}$|

Phase^a

U^cont

(per cent)

β / β*

(deg)

|$\beta ^{\rm Si\, {\small II}\lambda 6355}$|

(deg)

|$\beta ^{\rm Ca\, {\small II}\, NIR3}$|

(deg)

# 1

0.194 ± 0.125

0.209 ± 0.087

−0.061 ± 0.142 / +0.478 ± 0.131

23.8|$_{-18.2}^{+7.9}$| / |$-33.5_{-2.7}^{+4.8}$|

0.49 ± 0.13

|$-31.4_{-3.5}^{+6.6}$|

+0.478 ± 0.490

−32.0|$_{-5.8}^{+26.1}$|

−14.5 d

0.077 ± 0.073

1.093 ± 0.895 / −2.347 ± 0.791

−1.95 ± 0.77

−2.045 ± 1.836

# 2

0.008 ± 0.155

0.099 ± 0.080

−0.105 ± 0.005 / −0.108 ± 0.004

2.1|$_{-1.3}^{+1.3}$| / 1.4|$_{-1.0}^{+1.0}$|

−0.095 ± 0.012

5.6|$_{-2.0}^{+1.9}$|

−0.153 ± 0.015

|$-6.2_{-2.3}^{+2.4}$|

−11.4 d

−0.098 ± 0.078

0.0745 ± 0.046 / 0.050 ± 0.034

0.198 ± 0.071

−0.219 ± 0.086

# 3

−0.037 ± 0.091

0.075 ± 0.080

−0.065 ± 0.005 / −0.058 ± 0.005

2.4|$_{-1.6}^{+1.6}$| / 8.6|$_{-1.4}^{+1.3}$|

−0.026 ± 0.018

14.2|$_{-2.2}^{+2.1}$|

−0.131 ± 0.018

18.4|$_{-3.4}^{+2.9}$|

−6.4 d

−0.065 ± 0.081

0.085 ± 0.055 / 0.310 ± 0.051

0.541 ± 0.097

0.748 ± 0.171

# 4

0.109 ± 0.107

0.110 ± 0.100

+0.0056 ± 0.0044 / −0.0026 ± 0.0036

0.1|$_{-1.2}^{+1.2}$| / 4.3|$_{-1.0}^{+1.0}$|

−0.013 ± 0.011

5.3|$_{-1.9}^{+1.8}$|

−0.107 ± 0.017

20.9|$_{-3.2}^{+2.7}$|

+0.5 d

−0.014 ± 0.099

0.021 ± 0.043 / 0.150 ± 0.037

0.186 ± 0.067

0.893 ± 0.184

# 5

0.177 ± 0.119

0.186 ± 0.105

0.157 ± 0.014 / 0.103 ± 0.012

|$-10.0_{-1.7}^{+1.8}$| / |$-2.1_{-1.9}^{+2.0}$|

−0.0098 ± 0.0195

14.5|$_{-3.3}^{+2.9}$|

−0.190 ± 0.037

22.4|$_{-3.7}^{+3.0}$|

+14.5 d

0.056 ± 0.102

−0.362 ± 0.071 / −0.073 ± 0.069

0.555 ± 0.143

0.991 ± 0.228

#Epoch	Q^cont	p^cont	α / α*	θ_d / \|$\theta _{d}^{*}$\|	\|$\alpha ^{\rm Si\, {\small II}\lambda 6355}$\|	\|$\theta _{d}^{\rm Si\, {\small II}\lambda 6355}$\|	\|$\alpha ^{\rm Ca\, {\small II}\, NIR3}$\|	\|$\theta _{d}^{\rm Ca\, {\small II}\, NIR3}$\|
# 1	0.194 ± 0.125	0.209 ± 0.087	−0.061 ± 0.142 / +0.478 ± 0.131	23.8\|$_{-18.2}^{+7.9}$\| / \|$-33.5_{-2.7}^{+4.8}$\|	0.49 ± 0.13	\|$-31.4_{-3.5}^{+6.6}$\|	+0.478 ± 0.490	−32.0\|$_{-5.8}^{+26.1}$\|
−14.5 d	0.077 ± 0.073		1.093 ± 0.895 / −2.347 ± 0.791		−1.95 ± 0.77		−2.045 ± 1.836
# 2	0.008 ± 0.155	0.099 ± 0.080	−0.105 ± 0.005 / −0.108 ± 0.004	2.1\|$_{-1.3}^{+1.3}$\| / 1.4\|$_{-1.0}^{+1.0}$\|	−0.095 ± 0.012	5.6\|$_{-2.0}^{+1.9}$\|	−0.153 ± 0.015	\|$-6.2_{-2.3}^{+2.4}$\|
−11.4 d	−0.098 ± 0.078		0.0745 ± 0.046 / 0.050 ± 0.034		0.198 ± 0.071		−0.219 ± 0.086
# 3	−0.037 ± 0.091	0.075 ± 0.080	−0.065 ± 0.005 / −0.058 ± 0.005	2.4\|$_{-1.6}^{+1.6}$\| / 8.6\|$_{-1.4}^{+1.3}$\|	−0.026 ± 0.018	14.2\|$_{-2.2}^{+2.1}$\|	−0.131 ± 0.018	18.4\|$_{-3.4}^{+2.9}$\|
−6.4 d	−0.065 ± 0.081		0.085 ± 0.055 / 0.310 ± 0.051		0.541 ± 0.097		0.748 ± 0.171
# 4	0.109 ± 0.107	0.110 ± 0.100	+0.0056 ± 0.0044 / −0.0026 ± 0.0036	0.1\|$_{-1.2}^{+1.2}$\| / 4.3\|$_{-1.0}^{+1.0}$\|	−0.013 ± 0.011	5.3\|$_{-1.9}^{+1.8}$\|	−0.107 ± 0.017	20.9\|$_{-3.2}^{+2.7}$\|
+0.5 d	−0.014 ± 0.099		0.021 ± 0.043 / 0.150 ± 0.037		0.186 ± 0.067		0.893 ± 0.184
# 5	0.177 ± 0.119	0.186 ± 0.105	0.157 ± 0.014 / 0.103 ± 0.012	\|$-10.0_{-1.7}^{+1.8}$\| / \|$-2.1_{-1.9}^{+2.0}$\|	−0.0098 ± 0.0195	14.5\|$_{-3.3}^{+2.9}$\|	−0.190 ± 0.037	22.4\|$_{-3.7}^{+3.0}$\|
+14.5 d	0.056 ± 0.102		−0.362 ± 0.071 / −0.073 ± 0.069		0.555 ± 0.143		0.991 ± 0.228

Table 2.

Open in new tab

Values of least-squares fitting parameters on the Q–U plane for SN 2019np.

#Epoch	Q^cont	p^cont	α / α*	θ_d / \|$\theta _{d}^{*}$\|	\|$\alpha ^{\rm Si\, {\small II}\lambda 6355}$\|	\|$\theta _{d}^{\rm Si\, {\small II}\lambda 6355}$\|	\|$\alpha ^{\rm Ca\, {\small II}\, NIR3}$\|	\|$\theta _{d}^{\rm Ca\, {\small II}\, NIR3}$\|
Phase^a	U^cont	(per cent)	β / β*	(deg)	\|$\beta ^{\rm Si\, {\small II}\lambda 6355}$\|	(deg)	\|$\beta ^{\rm Ca\, {\small II}\, NIR3}$\|	(deg)
# 1	0.194 ± 0.125	0.209 ± 0.087	−0.061 ± 0.142 / +0.478 ± 0.131	23.8\|$_{-18.2}^{+7.9}$\| / \|$-33.5_{-2.7}^{+4.8}$\|	0.49 ± 0.13	\|$-31.4_{-3.5}^{+6.6}$\|	+0.478 ± 0.490	−32.0\|$_{-5.8}^{+26.1}$\|
−14.5 d	0.077 ± 0.073		1.093 ± 0.895 / −2.347 ± 0.791		−1.95 ± 0.77		−2.045 ± 1.836
# 2	0.008 ± 0.155	0.099 ± 0.080	−0.105 ± 0.005 / −0.108 ± 0.004	2.1\|$_{-1.3}^{+1.3}$\| / 1.4\|$_{-1.0}^{+1.0}$\|	−0.095 ± 0.012	5.6\|$_{-2.0}^{+1.9}$\|	−0.153 ± 0.015	\|$-6.2_{-2.3}^{+2.4}$\|
−11.4 d	−0.098 ± 0.078		0.0745 ± 0.046 / 0.050 ± 0.034		0.198 ± 0.071		−0.219 ± 0.086
# 3	−0.037 ± 0.091	0.075 ± 0.080	−0.065 ± 0.005 / −0.058 ± 0.005	2.4\|$_{-1.6}^{+1.6}$\| / 8.6\|$_{-1.4}^{+1.3}$\|	−0.026 ± 0.018	14.2\|$_{-2.2}^{+2.1}$\|	−0.131 ± 0.018	18.4\|$_{-3.4}^{+2.9}$\|
−6.4 d	−0.065 ± 0.081		0.085 ± 0.055 / 0.310 ± 0.051		0.541 ± 0.097		0.748 ± 0.171
# 4	0.109 ± 0.107	0.110 ± 0.100	+0.0056 ± 0.0044 / −0.0026 ± 0.0036	0.1\|$_{-1.2}^{+1.2}$\| / 4.3\|$_{-1.0}^{+1.0}$\|	−0.013 ± 0.011	5.3\|$_{-1.9}^{+1.8}$\|	−0.107 ± 0.017	20.9\|$_{-3.2}^{+2.7}$\|
+0.5 d	−0.014 ± 0.099		0.021 ± 0.043 / 0.150 ± 0.037		0.186 ± 0.067		0.893 ± 0.184
# 5	0.177 ± 0.119	0.186 ± 0.105	0.157 ± 0.014 / 0.103 ± 0.012	\|$-10.0_{-1.7}^{+1.8}$\| / \|$-2.1_{-1.9}^{+2.0}$\|	−0.0098 ± 0.0195	14.5\|$_{-3.3}^{+2.9}$\|	−0.190 ± 0.037	22.4\|$_{-3.7}^{+3.0}$\|
+14.5 d	0.056 ± 0.102		−0.362 ± 0.071 / −0.073 ± 0.069		0.555 ± 0.143		0.991 ± 0.228

#Epoch	Q^cont	p^cont	α / α*	θ_d / \|$\theta _{d}^{*}$\|	\|$\alpha ^{\rm Si\, {\small II}\lambda 6355}$\|	\|$\theta _{d}^{\rm Si\, {\small II}\lambda 6355}$\|	\|$\alpha ^{\rm Ca\, {\small II}\, NIR3}$\|	\|$\theta _{d}^{\rm Ca\, {\small II}\, NIR3}$\|
Phase^a	U^cont	(per cent)	β / β*	(deg)	\|$\beta ^{\rm Si\, {\small II}\lambda 6355}$\|	(deg)	\|$\beta ^{\rm Ca\, {\small II}\, NIR3}$\|	(deg)
# 1	0.194 ± 0.125	0.209 ± 0.087	−0.061 ± 0.142 / +0.478 ± 0.131	23.8\|$_{-18.2}^{+7.9}$\| / \|$-33.5_{-2.7}^{+4.8}$\|	0.49 ± 0.13	\|$-31.4_{-3.5}^{+6.6}$\|	+0.478 ± 0.490	−32.0\|$_{-5.8}^{+26.1}$\|
−14.5 d	0.077 ± 0.073		1.093 ± 0.895 / −2.347 ± 0.791		−1.95 ± 0.77		−2.045 ± 1.836
# 2	0.008 ± 0.155	0.099 ± 0.080	−0.105 ± 0.005 / −0.108 ± 0.004	2.1\|$_{-1.3}^{+1.3}$\| / 1.4\|$_{-1.0}^{+1.0}$\|	−0.095 ± 0.012	5.6\|$_{-2.0}^{+1.9}$\|	−0.153 ± 0.015	\|$-6.2_{-2.3}^{+2.4}$\|
−11.4 d	−0.098 ± 0.078		0.0745 ± 0.046 / 0.050 ± 0.034		0.198 ± 0.071		−0.219 ± 0.086
# 3	−0.037 ± 0.091	0.075 ± 0.080	−0.065 ± 0.005 / −0.058 ± 0.005	2.4\|$_{-1.6}^{+1.6}$\| / 8.6\|$_{-1.4}^{+1.3}$\|	−0.026 ± 0.018	14.2\|$_{-2.2}^{+2.1}$\|	−0.131 ± 0.018	18.4\|$_{-3.4}^{+2.9}$\|
−6.4 d	−0.065 ± 0.081		0.085 ± 0.055 / 0.310 ± 0.051		0.541 ± 0.097		0.748 ± 0.171
# 4	0.109 ± 0.107	0.110 ± 0.100	+0.0056 ± 0.0044 / −0.0026 ± 0.0036	0.1\|$_{-1.2}^{+1.2}$\| / 4.3\|$_{-1.0}^{+1.0}$\|	−0.013 ± 0.011	5.3\|$_{-1.9}^{+1.8}$\|	−0.107 ± 0.017	20.9\|$_{-3.2}^{+2.7}$\|
+0.5 d	−0.014 ± 0.099		0.021 ± 0.043 / 0.150 ± 0.037		0.186 ± 0.067		0.893 ± 0.184
# 5	0.177 ± 0.119	0.186 ± 0.105	0.157 ± 0.014 / 0.103 ± 0.012	\|$-10.0_{-1.7}^{+1.8}$\| / \|$-2.1_{-1.9}^{+2.0}$\|	−0.0098 ± 0.0195	14.5\|$_{-3.3}^{+2.9}$\|	−0.190 ± 0.037	22.4\|$_{-3.7}^{+3.0}$\|
+14.5 d	0.056 ± 0.102		−0.362 ± 0.071 / −0.073 ± 0.069		0.555 ± 0.143		0.991 ± 0.228

Notes. *Dominant axes fitted excluding the |${\rm Si\, {\small II}}$| λ6355 and |${\rm Ca\, {\small II}}$| NIR3 features.

^aRelative to the estimated peak on ut 2019-01-26.7/MJD 58509.7.

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