Exposure
ID
MATIS.2021-03-01T01:50:15.641_1
Header ID
MATIS.2021-03-01T01:50:15.641
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 01:50:15 UTC+0000
UTC Start
2021-03-01 01:50:15.641
UTC End
2021-03-01 01:51:15.649
MJD Start
59274.07656992
MJD End
59274.07726445704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001766
Ambient temperature (°C)
16.81
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 46.4290 46.5120 38.5000 38.6000
U1-U3 88.0150 88.1660 44.3000 44.3000
U1-U4 127.9640 128.0540 65.4050 65.3200
U2-U3 42.0860 42.1510 50.7000 50.7000
U2-U4 89.0500 89.0160 79.0320 78.9240
U3-U4 55.6820 55.5660 100.0180 99.9360
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 59274.07656992
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 46.429
HIERARCH ESO ISS PBL12 END 46.512
HIERARCH ESO ISS PBLA12 START 38.5
HIERARCH ESO ISS PBLA12 END 38.6
HIERARCH ESO ISS PBL13 START 88.015
HIERARCH ESO ISS PBL13 END 88.166
HIERARCH ESO ISS PBLA13 START 44.3
HIERARCH ESO ISS PBLA13 END 44.3
HIERARCH ESO ISS PBL14 START 127.964
HIERARCH ESO ISS PBL14 END 128.054
HIERARCH ESO ISS PBLA14 START 65.405
HIERARCH ESO ISS PBLA14 END 65.32
HIERARCH ESO ISS PBL23 START 42.086
HIERARCH ESO ISS PBL23 END 42.151
HIERARCH ESO ISS PBLA23 START 50.7
HIERARCH ESO ISS PBLA23 END 50.7
HIERARCH ESO ISS PBL24 START 89.05
HIERARCH ESO ISS PBL24 END 89.016
HIERARCH ESO ISS PBLA24 START 79.032
HIERARCH ESO ISS PBLA24 END 78.924
HIERARCH ESO ISS PBL34 START 55.682
HIERARCH ESO ISS PBL34 END 55.566
HIERARCH ESO ISS PBLA34 START 100.018
HIERARCH ESO ISS PBLA34 END 99.936
HIERARCH ESO ISS AMBI TAU0 START 0.001766
HIERARCH ESO ISS AMBI TAU0 END 0.001766
HIERARCH ESO ISS AMBI TEMP 16.81
HIERARCH ESO ISS AMBI FWHM START 1.92
HIERARCH ESO ISS AMBI FWHM END 1.92