Exposure
ID
MATIS.2021-03-01T02:44:39.673_1
Header ID
MATIS.2021-03-01T02:44:39.673
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 02:44:39 UTC+0000
UTC Start
2021-03-01 02:44:39.673
UTC End
2021-03-01 02:45:39.681
MJD Start
59274.11434807
MJD End
59274.11504260704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00294
Ambient temperature (°C)
16.74
Seeing (arcsec)
1.3
Observation
ID
46980
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
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 50.4030 50.4680 38.9000 38.9000
U1-U3 94.9150 95.0210 43.4000 43.3000
U1-U4 130.2050 130.2010 60.4430 60.3410
U2-U3 44.8330 44.8710 48.4000 48.3000
U2-U4 85.3380 85.2350 72.9530 72.8310
U3-U4 48.3170 48.1590 95.6650 95.5840
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 59274.11434807
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 87 Gem
RA 103.000948
DEC 23.60153
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 50.403
HIERARCH ESO ISS PBL12 END 50.468
HIERARCH ESO ISS PBLA12 START 38.9
HIERARCH ESO ISS PBLA12 END 38.9
HIERARCH ESO ISS PBL13 START 94.915
HIERARCH ESO ISS PBL13 END 95.021
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 130.205
HIERARCH ESO ISS PBL14 END 130.201
HIERARCH ESO ISS PBLA14 START 60.443
HIERARCH ESO ISS PBLA14 END 60.341
HIERARCH ESO ISS PBL23 START 44.833
HIERARCH ESO ISS PBL23 END 44.871
HIERARCH ESO ISS PBLA23 START 48.4
HIERARCH ESO ISS PBLA23 END 48.3
HIERARCH ESO ISS PBL24 START 85.338
HIERARCH ESO ISS PBL24 END 85.235
HIERARCH ESO ISS PBLA24 START 72.953
HIERARCH ESO ISS PBLA24 END 72.831
HIERARCH ESO ISS PBL34 START 48.317
HIERARCH ESO ISS PBL34 END 48.159
HIERARCH ESO ISS PBLA34 START 95.665
HIERARCH ESO ISS PBLA34 END 95.584
HIERARCH ESO ISS AMBI TAU0 START 0.00294
HIERARCH ESO ISS AMBI TAU0 END 0.00294
HIERARCH ESO ISS AMBI TEMP 16.74
HIERARCH ESO ISS AMBI FWHM START 1.32
HIERARCH ESO ISS AMBI FWHM END 1.28