Exposure
ID
MATIS.2020-12-27T02:00:11.061_1
Header ID
MATIS.2020-12-27T02:00:11.061
Date updated
2020-12-27 02:16:24 UTC+0000
Release date
2021-12-27 02:16:24 UTC+0000
UTC Start
2020-12-27 02:00:11.061
UTC End
2020-12-27 02:01:11.047
MJD Start
59210.08346135
MJD End
59210.0841556324
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0063745
Ambient temperature (°C)
13.12
Seeing (arcsec)
0.685
Observation
ID
46212
Category
science
Program ID
106.21L4.001
Program Title
IMAGING ONE OF THE BIGGEST STARS IN THE SKY WITH MATISSE, EPISODE 3
Program Type
GTO
PI / COI
MILLOUR/ CRUZALEBES/ CHIAVASSA/ MONTARGES/ MATTER/ BRUNO/ PETROV/ LAGADEC/ HRON/ WEIGELT
Target
ID
34782
Name
alf_Ori
RA
88.791947
DEC
7.40712
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2830 25.2810 136.4000 136.3000
A0-D0 23.8580 23.9480 73.5000 73.6000
A0-C1 21.6670 21.6920 117.3340 117.2670
B2-D0 25.6480 25.6680 12.2000 12.4000
B2-C1 8.5460 8.5530 12.1720 12.3520
D0-C1 17.1020 17.1160 192.2490 192.4290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21L4.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59210.08346135
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Ori
RA 88.791947
DEC 7.40712
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.111
HIERARCH ESO DET SEQ1 PERIOD 0.178
HIERARCH ESO DET NDIT 337
HIERARCH ESO ISS PBL12 START 25.283
HIERARCH ESO ISS PBL12 END 25.281
HIERARCH ESO ISS PBLA12 START 136.4
HIERARCH ESO ISS PBLA12 END 136.3
HIERARCH ESO ISS PBL13 START 23.858
HIERARCH ESO ISS PBL13 END 23.948
HIERARCH ESO ISS PBLA13 START 73.5
HIERARCH ESO ISS PBLA13 END 73.6
HIERARCH ESO ISS PBL14 START 21.667
HIERARCH ESO ISS PBL14 END 21.692
HIERARCH ESO ISS PBLA14 START 117.334
HIERARCH ESO ISS PBLA14 END 117.267
HIERARCH ESO ISS PBL23 START 25.648
HIERARCH ESO ISS PBL23 END 25.668
HIERARCH ESO ISS PBLA23 START 12.2
HIERARCH ESO ISS PBLA23 END 12.4
HIERARCH ESO ISS PBL24 START 8.546
HIERARCH ESO ISS PBL24 END 8.553
HIERARCH ESO ISS PBLA24 START 12.172
HIERARCH ESO ISS PBLA24 END 12.352
HIERARCH ESO ISS PBL34 START 17.102
HIERARCH ESO ISS PBL34 END 17.116
HIERARCH ESO ISS PBLA34 START 192.249
HIERARCH ESO ISS PBLA34 END 192.429
HIERARCH ESO ISS AMBI TAU0 START 0.005954
HIERARCH ESO ISS AMBI TAU0 END 0.006795
HIERARCH ESO ISS AMBI TEMP 13.12
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.58