Open Access

Table A.1.

SPHERE/VLT Observation log of AFGL 4106.

Date Instrument Mode Filter λ (nm) Δλ (nm) Coronagraph DIT (s) seeing (arcsec)
2021-04-03 IRDIS-DBIa NB PaB 1283 18 NO 2.0 0.63
2021-04-03 IRDIS-DBI NB HeI 1085 14 NO 4.0 0.74
2021-04-03 IRDIS-DBI NB H2 2124 31 NO 0.84 0.69
2021-04-03 IRDIS-DBI NB CO 2290 33 NO 2.0 0.89
2021-04-03 IRDIS-DBI NB CntK1 2091 34 NO 4.0 0.71
2021-04-03 IRDIS-DBI NB CntK2 2266 32 NO 2.0 0.74
2021-04-03 IRDIS-DBI NB CntJ 1213 17 NO 1.0 0.72
2021-04-03 IRDIS-DBI NB BrG 2170 31 NO 0.84 0.69
2021-04-03 IRDIS-DBI BB J 1245 240 NO 2.0 1.41
2021-04-03 IRDIS-DBI BB H 1625 290 NO 2.0 0.74
2021-04-03 IRDIS-DBI BB Ks 2182 300 NO 0.84 1.21
2019-03-07 ZIMPOL P3b B Ha 655.6 5.5 YES 10 0.67
2019-03-07 ZIMPOL P3 CntHa 644.9 4.1 YES 10 0.67
2019-03-07 ZIMPOL P3 V 554 80.6 NO 1.2 0.35
2019-03-07 ZIMPOL P3 NR 645.9 56.7 NO 1.2 0.35
2019-03-07 ZIMPOL P3 I PRIM 789.7 152.7 YES 10 1.2
a

DBI (Dual Band Imaging) mode use two narrow band filter simultaneously.

b

P3 (Polarimetric mode) use a polarizer and a coronagraph.

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