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Table 1
Coordinates and magnitudes of the candidate Hα emission-line stars, and log of TNG observations.
| Star | RA (J2000) Dec | F a | V a | J b | H b | K b | TNG | Int. time | Comment | |||||
| h | m | s | ° | ′ | ″ | mag | dd/mm/yy | s | ||||||
|
|
||||||||||||||
| Ha1 | 04 | 00 | 42.17 | +00 | 45 | 09.9 | 14.90 | 15.69 | 12.10 | 11.50 | 11.26 | 14/11/10 | 4 × 1728 | |
| Ha2 | 04 | 00 | 43.13 | +00 | 53 | 17.4 | 15.06 | 15.96 | 11.92 | 11.27 | 11.03 | 15/11/10 | 2 × 1440 | |
| Ha3 | 04 | 00 | 55.40 | +01 | 04 | 40.0 | 16.98 | 17.62 | 14.56 | 13.72 | 13.47 | not observed | ||
| Ha4 | 04 | 00 | 58.53 | +00 | 44 | 33.8 | 16.15 | 16.81 | 14.86 | 14.37 | 14.35 | 14/11/10 | 4 × 1728 | in same slit as Ha1 |
| Ha5 | 04 | 01 | 23.56 | +01 | 06 | 49.1 | 14.57 | 15.51 | 10.89 | 10.32 | 10.00 | 12/03/09 | 4 × 450 | |
| Ha6 | 04 | 01 | 24.70 | +01 | 07 | 22.8 | 16.50 | 17.86 | 11.89 | 11.29 | 10.94 | 12/03/09 | 4 × 450 | in same slit as Ha5 |
| Ha7 | 04 | 02 | 44.80 | +01 | 13 | 15.5 | 15.89 | 16.60 | 13.36 | 12.78 | 12.54 | 29/10/10 | 4 × 1620 | |
| Ha8 | 04 | 03 | 00.07 | +00 | 27 | 35.0 | 15.19 | 15.86 | 12.14 | 11.56 | 11.35 | 12/12/10 | 2 × 1620 | |
| Ha9 | 04 | 03 | 30.65 | +00 | 32 | 28.4 | 16.37 | 17.42 | 13.35 | 12.67 | 12.37 | not observed | ||
| Ha10 | 04 | 03 | 35.75 | +00 | 34 | 13.0 | 17.88 | 18.74 | 13.63 | 13.09 | 12.75 | not observed | ||
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