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Table 2.
Properties of the multi-component BAL in J1538+0855.
BAL component | Epoch | BI | vmin | vmax | Δtrest |
---|---|---|---|---|---|
(1) | (2) | (3) | (4) | (5) | (6) |
A | 2006 | 330![]() |
50 460 | 53 490 | – |
2012 | 430![]() |
48 900 | 53 700 | 1.30 | |
2017 | 280![]() |
49 660 | 53 580 | 1.16 | |
2018 | 800![]() |
49 000 | 54 010 | 0.20 | |
2021 | – | – | – | 0.65 | |
B | 2006 | 560![]() |
43 290 | 47 050 | – |
2012 | 200![]() |
43 940 | 46 450 | 1.30 | |
2017 | – | – | – | 1.16 | |
2018 | 110![]() |
43 950 | 46 010 | 0.20 | |
2021 | – | – | – | 0.65 | |
C | 2006 | 620![]() |
38 160 | 40 920 | – |
2012 | 330![]() |
38 160 | 40 920 | 1.30 | |
2017 | – | – | – | 1.16 | |
2018 | 130![]() |
39 840 | 41 360 | 0.20 | |
2021 | – | – | – | 0.65 |
Notes. (1) Component of the BAL UFO; (2) observation epoch; (3) Balnicity index; (4) minimum and (5) maximum velocity of the BAL trough in km s−1; and (6) rest-frame time in years elapsed since the previous observation.
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