Exposure
ID
MATIS.2021-03-01T01:46:53.747_1
Header ID
MATIS.2021-03-01T01:46:53.747
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 01:46:53 UTC+0000
UTC Start
2021-03-01 01:46:53.747
UTC End
2021-03-01 01:47:53.755
MJD Start
59274.07423318
MJD End
59274.07492771704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001766
Ambient temperature (°C)
16.87
Seeing (arcsec)
1.92
Observation
ID
46976
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
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 46.1550 46.2400 38.5000 38.5000
U1-U3 87.5170 87.6700 44.3000 44.3000
U1-U4 127.6580 127.7540 65.6800 65.5960
U2-U3 41.8740 41.9400 50.8000 50.8000
U2-U4 89.1510 89.1220 79.3820 79.2750
U3-U4 56.0530 55.9400 100.2870 100.2050
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 59274.07423318
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 87 Gem
RA 103.000745
DEC 23.60175
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 46.155
HIERARCH ESO ISS PBL12 END 46.24
HIERARCH ESO ISS PBLA12 START 38.5
HIERARCH ESO ISS PBLA12 END 38.5
HIERARCH ESO ISS PBL13 START 87.517
HIERARCH ESO ISS PBL13 END 87.67
HIERARCH ESO ISS PBLA13 START 44.3
HIERARCH ESO ISS PBLA13 END 44.3
HIERARCH ESO ISS PBL14 START 127.658
HIERARCH ESO ISS PBL14 END 127.754
HIERARCH ESO ISS PBLA14 START 65.68
HIERARCH ESO ISS PBLA14 END 65.596
HIERARCH ESO ISS PBL23 START 41.874
HIERARCH ESO ISS PBL23 END 41.94
HIERARCH ESO ISS PBLA23 START 50.8
HIERARCH ESO ISS PBLA23 END 50.8
HIERARCH ESO ISS PBL24 START 89.151
HIERARCH ESO ISS PBL24 END 89.122
HIERARCH ESO ISS PBLA24 START 79.382
HIERARCH ESO ISS PBLA24 END 79.275
HIERARCH ESO ISS PBL34 START 56.053
HIERARCH ESO ISS PBL34 END 55.94
HIERARCH ESO ISS PBLA34 START 100.287
HIERARCH ESO ISS PBLA34 END 100.205
HIERARCH ESO ISS AMBI TAU0 START 0.001766
HIERARCH ESO ISS AMBI TAU0 END 0.001766
HIERARCH ESO ISS AMBI TEMP 16.87
HIERARCH ESO ISS AMBI FWHM START 1.92
HIERARCH ESO ISS AMBI FWHM END 1.92