Exposure
ID
MATIS.2021-03-01T01:49:02.042_1
Header ID
MATIS.2021-03-01T01:49:02.042
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 01:49:02 UTC+0000
UTC Start
2021-03-01 01:49:02.042
UTC End
2021-03-01 01:50:02.102
MJD Start
59274.07571808
MJD End
59274.076413218885
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.001766
Ambient temperature (°C)
16.97
Seeing (arcsec)
1.92
Observation
ID
46975
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
35256
Name
87 Gem
RA
103.000745
DEC
23.60175
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 46.3290 46.4100 38.5000 38.5000
U1-U3 87.8330 87.9810 44.3000 44.3000
U1-U4 127.8540 127.9430 65.5060 65.4240
U2-U3 42.0090 42.0720 50.8000 50.8000
U2-U4 89.0890 89.0580 79.1600 79.0560
U3-U4 55.8190 55.7080 100.1170 100.0370
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 59274.07571808
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 87 Gem
RA 103.000745
DEC 23.60175
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 46.329
HIERARCH ESO ISS PBL12 END 46.41
HIERARCH ESO ISS PBLA12 START 38.5
HIERARCH ESO ISS PBLA12 END 38.5
HIERARCH ESO ISS PBL13 START 87.833
HIERARCH ESO ISS PBL13 END 87.981
HIERARCH ESO ISS PBLA13 START 44.3
HIERARCH ESO ISS PBLA13 END 44.3
HIERARCH ESO ISS PBL14 START 127.854
HIERARCH ESO ISS PBL14 END 127.943
HIERARCH ESO ISS PBLA14 START 65.506
HIERARCH ESO ISS PBLA14 END 65.424
HIERARCH ESO ISS PBL23 START 42.009
HIERARCH ESO ISS PBL23 END 42.072
HIERARCH ESO ISS PBLA23 START 50.8
HIERARCH ESO ISS PBLA23 END 50.8
HIERARCH ESO ISS PBL24 START 89.089
HIERARCH ESO ISS PBL24 END 89.058
HIERARCH ESO ISS PBLA24 START 79.16
HIERARCH ESO ISS PBLA24 END 79.056
HIERARCH ESO ISS PBL34 START 55.819
HIERARCH ESO ISS PBL34 END 55.708
HIERARCH ESO ISS PBLA34 START 100.117
HIERARCH ESO ISS PBLA34 END 100.037
HIERARCH ESO ISS AMBI TAU0 START 0.001766
HIERARCH ESO ISS AMBI TAU0 END 0.001766
HIERARCH ESO ISS AMBI TEMP 16.97
HIERARCH ESO ISS AMBI FWHM START 1.92
HIERARCH ESO ISS AMBI FWHM END 1.92