Exposure
ID
MATIS.2020-12-27T03:34:44.835_1
Header ID
MATIS.2020-12-27T03:34:44.835
Date updated
2020-12-27 03:46:11 UTC+0000
Release date
2021-12-27 03:46:11 UTC+0000
UTC Start
2020-12-27 03:34:44.835
UTC End
2020-12-27 03:35:44.821
MJD Start
59210.14913004
MJD End
59210.1498243224
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0051
Ambient temperature (°C)
13.22
Seeing (arcsec)
0.635
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 24.0120 23.9880 136.4000 136.4000
A0-D0 30.2270 30.2710 74.3000 74.3000
A0-C1 22.5520 22.5440 113.1540 113.1300
B2-D0 28.4590 28.4940 26.1000 26.2000
B2-C1 9.4800 9.4920 26.0760 26.1890
D0-C1 18.9790 19.0030 206.1510 206.2630
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 59210.14913004
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 24.012
HIERARCH ESO ISS PBL12 END 23.988
HIERARCH ESO ISS PBLA12 START 136.4
HIERARCH ESO ISS PBLA12 END 136.4
HIERARCH ESO ISS PBL13 START 30.227
HIERARCH ESO ISS PBL13 END 30.271
HIERARCH ESO ISS PBLA13 START 74.3
HIERARCH ESO ISS PBLA13 END 74.3
HIERARCH ESO ISS PBL14 START 22.552
HIERARCH ESO ISS PBL14 END 22.544
HIERARCH ESO ISS PBLA14 START 113.154
HIERARCH ESO ISS PBLA14 END 113.13
HIERARCH ESO ISS PBL23 START 28.459
HIERARCH ESO ISS PBL23 END 28.494
HIERARCH ESO ISS PBLA23 START 26.1
HIERARCH ESO ISS PBLA23 END 26.2
HIERARCH ESO ISS PBL24 START 9.48
HIERARCH ESO ISS PBL24 END 9.492
HIERARCH ESO ISS PBLA24 START 26.076
HIERARCH ESO ISS PBLA24 END 26.189
HIERARCH ESO ISS PBL34 START 18.979
HIERARCH ESO ISS PBL34 END 19.003
HIERARCH ESO ISS PBLA34 START 206.151
HIERARCH ESO ISS PBLA34 END 206.263
HIERARCH ESO ISS AMBI TAU0 START 0.005013
HIERARCH ESO ISS AMBI TAU0 END 0.005187
HIERARCH ESO ISS AMBI TEMP 13.22
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.59