Exposure
ID
MATIS.2021-03-01T02:47:15.932_1
Header ID
MATIS.2021-03-01T02:47:15.932
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 02:47:15 UTC+0000
UTC Start
2021-03-01 02:47:15.932
UTC End
2021-03-01 02:48:15.992
MJD Start
59274.11615662
MJD End
59274.11685175889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0035175
Ambient temperature (°C)
16.82
Seeing (arcsec)
1.155
Observation
ID
46979
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 50.5700 50.6340 38.9000 38.9000
U1-U3 95.1880 95.2920 43.3000 43.2000
U1-U4 130.1900 130.1820 60.1790 60.0760
U2-U3 44.9320 44.9690 48.2000 48.2000
U2-U4 85.0670 84.9610 72.6360 72.5140
U3-U4 47.9040 47.7430 95.4530 95.3710
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 59274.11615662
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 87 Gem
RA 103.000948
DEC 23.60153
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 50.57
HIERARCH ESO ISS PBL12 END 50.634
HIERARCH ESO ISS PBLA12 START 38.9
HIERARCH ESO ISS PBLA12 END 38.9
HIERARCH ESO ISS PBL13 START 95.188
HIERARCH ESO ISS PBL13 END 95.292
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.19
HIERARCH ESO ISS PBL14 END 130.182
HIERARCH ESO ISS PBLA14 START 60.179
HIERARCH ESO ISS PBLA14 END 60.076
HIERARCH ESO ISS PBL23 START 44.932
HIERARCH ESO ISS PBL23 END 44.969
HIERARCH ESO ISS PBLA23 START 48.2
HIERARCH ESO ISS PBLA23 END 48.2
HIERARCH ESO ISS PBL24 START 85.067
HIERARCH ESO ISS PBL24 END 84.961
HIERARCH ESO ISS PBLA24 START 72.636
HIERARCH ESO ISS PBLA24 END 72.514
HIERARCH ESO ISS PBL34 START 47.904
HIERARCH ESO ISS PBL34 END 47.743
HIERARCH ESO ISS PBLA34 START 95.453
HIERARCH ESO ISS PBLA34 END 95.371
HIERARCH ESO ISS AMBI TAU0 START 0.004104
HIERARCH ESO ISS AMBI TAU0 END 0.002931
HIERARCH ESO ISS AMBI TEMP 16.82
HIERARCH ESO ISS AMBI FWHM START 1.04
HIERARCH ESO ISS AMBI FWHM END 1.27