San Pedro Mártir observations of microvariability in obscured quasars

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Volume 578 (June 2015)

A&A, 578 (2015) A121

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Table 3

Results of microvariability in type 2 quasars.

Target	DLC	Date	N	Probability	Microvariability (α = 0.001)

J0759+5050	m_QSO − m_ref	Mar. 28 2011	30	0.0975	N
	m_comp − m_ref	Mar. 28 2011	30	0.132	N
	m_QSO − m_ref	Mar. 30 2011	20	0.073	N
	m_comp − m_ref	Mar. 30 2011	20	0.146	N
	m_QSO − m_ref	Mar. 31 2011	30	5.5E-04	Y
	m_comp − m_ref	Mar. 31 2011	30	0.327	N
J1430+1339^a	m_QSO − m_ref	Mar. 28 2011	25	0.0105	...
	m_comp − m_ref	Mar. 28 2011	25	0.027	...
	m_QSO − m_ref	Mar. 30 2011	12	0.391	N
	m_comp − m_ref	Mar. 30 2011	12	0.436	N
Mrk 477	m_QSO − m_ref	Mar. 29 2011	30	1E-04	Y
	m_comp − m_ref	Mar. 29 2011	30	0.114	N
	m_QSO − m_ref	Mar. 31 2011	20	4.95E-05	Y
	m_comp − m_ref	Mar. 31 2011	20	0.102	N

Notes. The second column describes the difference we used to create the differential light curve, where m_QSO stands for the target, m_ref stands for the reference star, and m_comp stands for the comparison star used to control the stability of the stellar light curve. N stands for the number of groups used as an input for ANOVA. In the fifth column, we provide the probability of obtaining the result if the null hypothesis is confirmed. The level of significance is α = 0.001).

^(a)

Target J1430+1339 has the same probabilities for stars and target, all of them low. The lack of stars in the field does not allow conclusions based on this observation.

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