Exposure
ID
MATIS.2020-12-27T03:49:44.263_1
Header ID
MATIS.2020-12-27T03:49:44.263
Date updated
2020-12-27 04:01:01 UTC+0000
Release date
2021-12-27 04:01:01 UTC+0000
UTC Start
2020-12-27 03:49:44.263
UTC End
2020-12-27 03:50:44.239
MJD Start
59210.15954008
MJD End
59210.1602342467
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0053535
Ambient temperature (°C)
12.72
Seeing (arcsec)
0.575
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 23.6320 23.6050 136.9000 136.9000
A0-D0 30.8250 30.8610 74.2000 74.1000
A0-C1 22.4030 22.3900 112.8310 112.8120
B2-D0 28.9910 29.0270 27.7000 27.8000
B2-C1 9.6570 9.6690 27.6820 27.7850
D0-C1 19.3340 19.3580 207.7550 207.8580
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 59210.15954008
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 23.632
HIERARCH ESO ISS PBL12 END 23.605
HIERARCH ESO ISS PBLA12 START 136.9
HIERARCH ESO ISS PBLA12 END 136.9
HIERARCH ESO ISS PBL13 START 30.825
HIERARCH ESO ISS PBL13 END 30.861
HIERARCH ESO ISS PBLA13 START 74.2
HIERARCH ESO ISS PBLA13 END 74.1
HIERARCH ESO ISS PBL14 START 22.403
HIERARCH ESO ISS PBL14 END 22.39
HIERARCH ESO ISS PBLA14 START 112.831
HIERARCH ESO ISS PBLA14 END 112.812
HIERARCH ESO ISS PBL23 START 28.991
HIERARCH ESO ISS PBL23 END 29.027
HIERARCH ESO ISS PBLA23 START 27.7
HIERARCH ESO ISS PBLA23 END 27.8
HIERARCH ESO ISS PBL24 START 9.657
HIERARCH ESO ISS PBL24 END 9.669
HIERARCH ESO ISS PBLA24 START 27.682
HIERARCH ESO ISS PBLA24 END 27.785
HIERARCH ESO ISS PBL34 START 19.334
HIERARCH ESO ISS PBL34 END 19.358
HIERARCH ESO ISS PBLA34 START 207.755
HIERARCH ESO ISS PBLA34 END 207.858
HIERARCH ESO ISS AMBI TAU0 START 0.005032
HIERARCH ESO ISS AMBI TAU0 END 0.005675
HIERARCH ESO ISS AMBI TEMP 12.72
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.55