Exposure
ID
MATIS.2021-03-01T02:23:56.388_1
Header ID
MATIS.2021-03-01T02:23:56.388
Date updated
2021-09-29 14:26:43 UTC+0000
Release date
2022-03-01 02:31:28 UTC+0000
UTC Start
2021-03-01 02:23:56.388
UTC End
2021-03-01 02:24:56.448
MJD Start
59274.09995819
MJD End
59274.1006533289
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.002723
Ambient temperature (°C)
16.82
Seeing (arcsec)
1.33
Observation
ID
46977
Category
science
Program ID
106.21R2.001
Program Title
THE CIRCUMSTELLAR ENVELOPES OF CEPHEIDS WITH VLTI/MATISSE
Program Type
GTO
PI / COI
HOCD\XC3\X83\XC2\XA9/ MILLOUR/ AUGEREAU/ BRUNO/ HRON/ HENNING/ DOMINIK/ JAFFE/ VAN BOEKEL/ WEIGELT/ HOFMANN/ SCHERTL/ PANTIN/ PETROV/ WOLF/ PHILIPPE/ MEISENHEIMER/ HOGERHEIJDE/ DELBO
Target
ID
35257
Name
zet Gem
RA
106.028223
DEC
20.57031
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 49.3060 49.3780 37.8000 37.8000
U1-U3 92.7580 92.8830 43.1000 43.1000
U1-U4 129.7500 129.7900 63.2930 63.2110
U2-U3 43.9020 43.9520 49.1000 49.1000
U2-U4 87.8410 87.7710 77.2700 77.1690
U3-U4 53.3350 53.1990 100.1420 100.0780
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21R2.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59274.09995819
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME zet Gem
RA 106.028223
DEC 20.57031
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 0.0751997
HIERARCH ESO DET SEQ1 PERIOD 0.156
HIERARCH ESO DET NDIT 385
HIERARCH ESO ISS PBL12 START 49.306
HIERARCH ESO ISS PBL12 END 49.378
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 92.758
HIERARCH ESO ISS PBL13 END 92.883
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 129.75
HIERARCH ESO ISS PBL14 END 129.79
HIERARCH ESO ISS PBLA14 START 63.293
HIERARCH ESO ISS PBLA14 END 63.211
HIERARCH ESO ISS PBL23 START 43.902
HIERARCH ESO ISS PBL23 END 43.952
HIERARCH ESO ISS PBLA23 START 49.1
HIERARCH ESO ISS PBLA23 END 49.1
HIERARCH ESO ISS PBL24 START 87.841
HIERARCH ESO ISS PBL24 END 87.771
HIERARCH ESO ISS PBLA24 START 77.27
HIERARCH ESO ISS PBLA24 END 77.169
HIERARCH ESO ISS PBL34 START 53.335
HIERARCH ESO ISS PBL34 END 53.199
HIERARCH ESO ISS PBLA34 START 100.142
HIERARCH ESO ISS PBLA34 END 100.078
HIERARCH ESO ISS AMBI TAU0 START 0.002846
HIERARCH ESO ISS AMBI TAU0 END 0.0026
HIERARCH ESO ISS AMBI TEMP 16.82
HIERARCH ESO ISS AMBI FWHM START 1.44
HIERARCH ESO ISS AMBI FWHM END 1.22