Exposure
ID
MATIS.2021-03-01T01:45:27.782_1
Header ID
MATIS.2021-03-01T01:45:27.782
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 01:45:27 UTC+0000
UTC Start
2021-03-01 01:45:27.782
UTC End
2021-03-01 01:46:27.790
MJD Start
59274.07323822
MJD End
59274.07393275704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001766
Ambient temperature (°C)
16.63
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 46.0380 46.1200 38.4000 38.4000
U1-U3 87.3020 87.4520 44.3000 44.3000
U1-U4 127.5220 127.6180 65.7960 65.7120
U2-U3 41.7820 41.8480 50.9000 50.9000
U2-U4 89.1900 89.1620 79.5300 79.4230
U3-U4 56.2080 56.0960 100.4020 100.3190
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 59274.07323822
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 46.038
HIERARCH ESO ISS PBL12 END 46.12
HIERARCH ESO ISS PBLA12 START 38.4
HIERARCH ESO ISS PBLA12 END 38.4
HIERARCH ESO ISS PBL13 START 87.302
HIERARCH ESO ISS PBL13 END 87.452
HIERARCH ESO ISS PBLA13 START 44.3
HIERARCH ESO ISS PBLA13 END 44.3
HIERARCH ESO ISS PBL14 START 127.522
HIERARCH ESO ISS PBL14 END 127.618
HIERARCH ESO ISS PBLA14 START 65.796
HIERARCH ESO ISS PBLA14 END 65.712
HIERARCH ESO ISS PBL23 START 41.782
HIERARCH ESO ISS PBL23 END 41.848
HIERARCH ESO ISS PBLA23 START 50.9
HIERARCH ESO ISS PBLA23 END 50.9
HIERARCH ESO ISS PBL24 START 89.19
HIERARCH ESO ISS PBL24 END 89.162
HIERARCH ESO ISS PBLA24 START 79.53
HIERARCH ESO ISS PBLA24 END 79.423
HIERARCH ESO ISS PBL34 START 56.208
HIERARCH ESO ISS PBL34 END 56.096
HIERARCH ESO ISS PBLA34 START 100.402
HIERARCH ESO ISS PBLA34 END 100.319
HIERARCH ESO ISS AMBI TAU0 START 0.001766
HIERARCH ESO ISS AMBI TAU0 END 0.001766
HIERARCH ESO ISS AMBI TEMP 16.63
HIERARCH ESO ISS AMBI FWHM START 1.92
HIERARCH ESO ISS AMBI FWHM END 1.92