Exposure
ID
MATIS.2021-03-01T02:48:30.178_1
Header ID
MATIS.2021-03-01T02:48:30.178
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 02:48:30 UTC+0000
UTC Start
2021-03-01 02:48:30.178
UTC End
2021-03-01 02:49:30.238
MJD Start
59274.11701595
MJD End
59274.11771108889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0032170000000000002
Ambient temperature (°C)
16.84
Seeing (arcsec)
1.185
Observation
ID
46979
Category
calibrator
Program ID
106.21R2.001
Program Title
THE CIRCUMSTELLAR ENVELOPES OF CEPHEIDS WITH VLTI/MATISSE
Program Type
GTO
PI / COI
HOCDÉ / MILLOUR / AUGEREAU / LOPEZ / HRON / HENNING / DOMINIK / JAFFE / VAN BOEKEL / WEIGELT / HOFMANN / SCHERTL / PANTIN / PETROV / WOLF / PHILIPPE / MEISENHEIMER / HOGERHEIJDE / DELBO
Target
ID
35258
Name
87 Gem
RA
103.000948
DEC
23.60153
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 50.6490 50.7120 38.9000 38.9000
U1-U3 95.3160 95.4180 43.2000 43.2000
U1-U4 130.1790 130.1690 60.0520 59.9490
U2-U3 44.9770 45.0140 48.1000 48.1000
U2-U4 84.9360 84.8290 72.4850 72.3620
U3-U4 47.7060 47.5440 95.3520 95.2700
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21R2.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 59274.11701595
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 87 Gem
RA 103.000948
DEC 23.60153
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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 50.649
HIERARCH ESO ISS PBL12 END 50.712
HIERARCH ESO ISS PBLA12 START 38.9
HIERARCH ESO ISS PBLA12 END 38.9
HIERARCH ESO ISS PBL13 START 95.316
HIERARCH ESO ISS PBL13 END 95.418
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.179
HIERARCH ESO ISS PBL14 END 130.169
HIERARCH ESO ISS PBLA14 START 60.052
HIERARCH ESO ISS PBLA14 END 59.949
HIERARCH ESO ISS PBL23 START 44.977
HIERARCH ESO ISS PBL23 END 45.014
HIERARCH ESO ISS PBLA23 START 48.1
HIERARCH ESO ISS PBLA23 END 48.1
HIERARCH ESO ISS PBL24 START 84.936
HIERARCH ESO ISS PBL24 END 84.829
HIERARCH ESO ISS PBLA24 START 72.485
HIERARCH ESO ISS PBLA24 END 72.362
HIERARCH ESO ISS PBL34 START 47.706
HIERARCH ESO ISS PBL34 END 47.544
HIERARCH ESO ISS PBLA34 START 95.352
HIERARCH ESO ISS PBLA34 END 95.27
HIERARCH ESO ISS AMBI TAU0 START 0.002931
HIERARCH ESO ISS AMBI TAU0 END 0.003503
HIERARCH ESO ISS AMBI TEMP 16.84
HIERARCH ESO ISS AMBI FWHM START 1.27
HIERARCH ESO ISS AMBI FWHM END 1.1