Exposure
ID
MATIS.2021-03-01T02:10:42.853_1
Header ID
MATIS.2021-03-01T02:10:42.853
Date updated
2021-09-29 14:26:43 UTC+0000
Release date
2022-03-01 02:21:33 UTC+0000
UTC Start
2021-03-01 02:10:42.853
UTC End
2021-03-01 02:11:42.861
MJD Start
59274.09077376
MJD End
59274.091468297
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002641
Ambient temperature (°C)
16.85
Seeing (arcsec)
1.475
Observation
ID
46978
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 48.3610 48.4370 37.5000 37.6000
U1-U3 91.0830 91.2190 43.2000 43.2000
U1-U4 129.0650 129.1300 64.3070 64.2300
U2-U3 43.2180 43.2740 49.5000 49.5000
U2-U4 88.6060 88.5550 78.5400 78.4420
U3-U4 54.9920 54.8680 100.9790 100.9130
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 59274.09077376
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME zet Gem
RA 106.028223
DEC 20.57031
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN 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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 48.361
HIERARCH ESO ISS PBL12 END 48.437
HIERARCH ESO ISS PBLA12 START 37.5
HIERARCH ESO ISS PBLA12 END 37.6
HIERARCH ESO ISS PBL13 START 91.083
HIERARCH ESO ISS PBL13 END 91.219
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 129.065
HIERARCH ESO ISS PBL14 END 129.13
HIERARCH ESO ISS PBLA14 START 64.307
HIERARCH ESO ISS PBLA14 END 64.23
HIERARCH ESO ISS PBL23 START 43.218
HIERARCH ESO ISS PBL23 END 43.274
HIERARCH ESO ISS PBLA23 START 49.5
HIERARCH ESO ISS PBLA23 END 49.5
HIERARCH ESO ISS PBL24 START 88.606
HIERARCH ESO ISS PBL24 END 88.555
HIERARCH ESO ISS PBLA24 START 78.54
HIERARCH ESO ISS PBLA24 END 78.442
HIERARCH ESO ISS PBL34 START 54.992
HIERARCH ESO ISS PBL34 END 54.868
HIERARCH ESO ISS PBLA34 START 100.979
HIERARCH ESO ISS PBLA34 END 100.913
HIERARCH ESO ISS AMBI TAU0 START 0.002699
HIERARCH ESO ISS AMBI TAU0 END 0.002583
HIERARCH ESO ISS AMBI TEMP 16.85
HIERARCH ESO ISS AMBI FWHM START 1.34
HIERARCH ESO ISS AMBI FWHM END 1.61