Exposure
ID
MATIS.2021-03-01T02:39:57.365_1
Header ID
MATIS.2021-03-01T02:39:57.365
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 02:39:57.365
UTC End
2021-03-01 02:40:57.329
MJD Start
59274.11108061
MJD End
59274.11177463777
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
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 50.0940 50.1620 39.0000 39.0000
U1-U3 94.4040 94.5170 43.5000 43.5000
U1-U4 130.2050 130.2080 60.9170 60.8140
U2-U3 44.6460 44.6870 48.6000 48.6000
U2-U4 85.8100 85.7090 73.5220 73.3990
U3-U4 49.0560 48.8960 96.0500 95.9660
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 59274.11108061
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 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 50.094
HIERARCH ESO ISS PBL12 END 50.162
HIERARCH ESO ISS PBLA12 START 39.0
HIERARCH ESO ISS PBLA12 END 39.0
HIERARCH ESO ISS PBL13 START 94.404
HIERARCH ESO ISS PBL13 END 94.517
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 60.917
HIERARCH ESO ISS PBLA14 END 60.814
HIERARCH ESO ISS PBL23 START 44.646
HIERARCH ESO ISS PBL23 END 44.687
HIERARCH ESO ISS PBLA23 START 48.6
HIERARCH ESO ISS PBLA23 END 48.6
HIERARCH ESO ISS PBL24 START 85.81
HIERARCH ESO ISS PBL24 END 85.709
HIERARCH ESO ISS PBLA24 START 73.522
HIERARCH ESO ISS PBLA24 END 73.399
HIERARCH ESO ISS PBL34 START 49.056
HIERARCH ESO ISS PBL34 END 48.896
HIERARCH ESO ISS PBLA34 START 96.05
HIERARCH ESO ISS PBLA34 END 95.966
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