Exposure
ID
MATIS.2020-12-27T02:08:56.876_1
Header ID
MATIS.2020-12-27T02:08:56.876
Date updated
2020-12-27 02:21:23 UTC+0000
Release date
2021-12-27 02:21:23 UTC+0000
UTC Start
2020-12-27 02:08:56.876
UTC End
2020-12-27 02:09:56.852
MJD Start
59210.08954718
MJD End
59210.0902413467
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0053315
Ambient temperature (°C)
13.08
Seeing (arcsec)
0.78
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 25.2510 25.2470 136.2000 136.1000
A0-D0 24.6200 24.7050 73.8000 73.8000
A0-C1 21.8750 21.8970 116.7710 116.7100
B2-D0 25.8360 25.8590 13.8000 13.9000
B2-C1 8.6080 8.6160 13.7120 13.8850
D0-C1 17.2280 17.2430 193.7900 193.9630
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 59210.08954718
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 0.196
HIERARCH ESO DET NDIT 306
HIERARCH ESO ISS PBL12 START 25.251
HIERARCH ESO ISS PBL12 END 25.247
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.1
HIERARCH ESO ISS PBL13 START 24.62
HIERARCH ESO ISS PBL13 END 24.705
HIERARCH ESO ISS PBLA13 START 73.8
HIERARCH ESO ISS PBLA13 END 73.8
HIERARCH ESO ISS PBL14 START 21.875
HIERARCH ESO ISS PBL14 END 21.897
HIERARCH ESO ISS PBLA14 START 116.771
HIERARCH ESO ISS PBLA14 END 116.71
HIERARCH ESO ISS PBL23 START 25.836
HIERARCH ESO ISS PBL23 END 25.859
HIERARCH ESO ISS PBLA23 START 13.8
HIERARCH ESO ISS PBLA23 END 13.9
HIERARCH ESO ISS PBL24 START 8.608
HIERARCH ESO ISS PBL24 END 8.616
HIERARCH ESO ISS PBLA24 START 13.712
HIERARCH ESO ISS PBLA24 END 13.885
HIERARCH ESO ISS PBL34 START 17.228
HIERARCH ESO ISS PBL34 END 17.243
HIERARCH ESO ISS PBLA34 START 193.79
HIERARCH ESO ISS PBLA34 END 193.963
HIERARCH ESO ISS AMBI TAU0 START 0.005341
HIERARCH ESO ISS AMBI TAU0 END 0.005322
HIERARCH ESO ISS AMBI TEMP 13.08
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.78