Exposure
ID
MATIS.2020-12-21T05:13:01.299_1
Header ID
MATIS.2020-12-21T05:13:01.299
Date updated
2020-12-21 05:25:50 UTC+0000
Release date
2021-12-21 05:25:49 UTC+0000
UTC Start
2020-12-21 05:13:01.299
UTC End
2020-12-21 05:14:01.275
MJD Start
59204.21737615
MJD End
59204.2180703167
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005078
Ambient temperature (°C)
14.8
Seeing (arcsec)
0.645
Observation
ID
46197
Category
science
Program ID
106.21L4.004
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
34773
Name
alf_Ori
RA
88.793067
DEC
7.40712
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.3560 67.3060 270.2000 270.2000
K0-D0 95.9500 95.9590 252.8000 252.8000
K0-J3 47.6680 47.6070 332.3090 332.4180
G2-D0 37.4930 37.5320 220.5000 220.5000
G2-J3 61.6920 61.7510 47.1210 47.1400
D0-J3 99.0270 99.1270 44.6000 44.6260
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21L4.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59204.21737615
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Ori
RA 88.793067
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.111
HIERARCH ESO DET SEQ1 PERIOD 0.196
HIERARCH ESO DET NDIT 306
HIERARCH ESO ISS PBL12 START 67.356
HIERARCH ESO ISS PBL12 END 67.306
HIERARCH ESO ISS PBLA12 START 270.2
HIERARCH ESO ISS PBLA12 END 270.2
HIERARCH ESO ISS PBL13 START 95.95
HIERARCH ESO ISS PBL13 END 95.959
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 47.668
HIERARCH ESO ISS PBL14 END 47.607
HIERARCH ESO ISS PBLA14 START 332.309
HIERARCH ESO ISS PBLA14 END 332.418
HIERARCH ESO ISS PBL23 START 37.493
HIERARCH ESO ISS PBL23 END 37.532
HIERARCH ESO ISS PBLA23 START 220.5
HIERARCH ESO ISS PBLA23 END 220.5
HIERARCH ESO ISS PBL24 START 61.692
HIERARCH ESO ISS PBL24 END 61.751
HIERARCH ESO ISS PBLA24 START 47.121
HIERARCH ESO ISS PBLA24 END 47.14
HIERARCH ESO ISS PBL34 START 99.027
HIERARCH ESO ISS PBL34 END 99.127
HIERARCH ESO ISS PBLA34 START 44.6
HIERARCH ESO ISS PBLA34 END 44.626
HIERARCH ESO ISS AMBI TAU0 START 0.005366
HIERARCH ESO ISS AMBI TAU0 END 0.00479
HIERARCH ESO ISS AMBI TEMP 14.8
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.68