Exposure
ID
MATIS.2021-03-01T02:39:57.772_1
Header ID
MATIS.2021-03-01T02:39:57.772
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 02:39:57 UTC+0000
UTC Start
2021-03-01 02:39:57.772
UTC End
2021-03-01 02:40:57.780
MJD Start
59274.11108532
MJD End
59274.11177985704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003207
Ambient temperature (°C)
16.77
Seeing (arcsec)
1.3050000000000002
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 50.0960 50.1640 39.0000 39.0000
U1-U3 94.4080 94.5210 43.5000 43.5000
U1-U4 130.2050 130.2080 60.9140 60.8110
U2-U3 44.6470 44.6890 48.6000 48.6000
U2-U4 85.8060 85.7060 73.5180 73.3950
U3-U4 49.0510 48.8910 96.0470 95.9640
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 59274.11108532
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 50.096
HIERARCH ESO ISS PBL12 END 50.164
HIERARCH ESO ISS PBLA12 START 39.0
HIERARCH ESO ISS PBLA12 END 39.0
HIERARCH ESO ISS PBL13 START 94.408
HIERARCH ESO ISS PBL13 END 94.521
HIERARCH ESO ISS PBLA13 START 43.5
HIERARCH ESO ISS PBLA13 END 43.5
HIERARCH ESO ISS PBL14 START 130.205
HIERARCH ESO ISS PBL14 END 130.208
HIERARCH ESO ISS PBLA14 START 60.914
HIERARCH ESO ISS PBLA14 END 60.811
HIERARCH ESO ISS PBL23 START 44.647
HIERARCH ESO ISS PBL23 END 44.689
HIERARCH ESO ISS PBLA23 START 48.6
HIERARCH ESO ISS PBLA23 END 48.6
HIERARCH ESO ISS PBL24 START 85.806
HIERARCH ESO ISS PBL24 END 85.706
HIERARCH ESO ISS PBLA24 START 73.518
HIERARCH ESO ISS PBLA24 END 73.395
HIERARCH ESO ISS PBL34 START 49.051
HIERARCH ESO ISS PBL34 END 48.891
HIERARCH ESO ISS PBLA34 START 96.047
HIERARCH ESO ISS PBLA34 END 95.964
HIERARCH ESO ISS AMBI TAU0 START 0.003158
HIERARCH ESO ISS AMBI TAU0 END 0.003256
HIERARCH ESO ISS AMBI TEMP 16.77
HIERARCH ESO ISS AMBI FWHM START 1.29
HIERARCH ESO ISS AMBI FWHM END 1.32