Exposure
ID
MATIS.2021-03-01T02:45:54.390_1
Header ID
MATIS.2021-03-01T02:45:54.390
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 02:45:54 UTC+0000
UTC Start
2021-03-01 02:45:54.390
UTC End
2021-03-01 02:46:54.450
MJD Start
59274.11521285
MJD End
59274.11590798889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0032155
Ambient temperature (°C)
16.75
Seeing (arcsec)
1.28
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 50.4830 50.5490 38.9000 38.9000
U1-U3 95.0450 95.1530 43.3000 43.3000
U1-U4 130.1990 130.1930 60.3180 60.2130
U2-U3 44.8800 44.9190 48.3000 48.2000
U2-U4 85.2110 85.1030 72.8030 72.6770
U3-U4 48.1220 47.9570 95.5640 95.4800
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 59274.11521285
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 50.483
HIERARCH ESO ISS PBL12 END 50.549
HIERARCH ESO ISS PBLA12 START 38.9
HIERARCH ESO ISS PBLA12 END 38.9
HIERARCH ESO ISS PBL13 START 95.045
HIERARCH ESO ISS PBL13 END 95.153
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 130.199
HIERARCH ESO ISS PBL14 END 130.193
HIERARCH ESO ISS PBLA14 START 60.318
HIERARCH ESO ISS PBLA14 END 60.213
HIERARCH ESO ISS PBL23 START 44.88
HIERARCH ESO ISS PBL23 END 44.919
HIERARCH ESO ISS PBLA23 START 48.3
HIERARCH ESO ISS PBLA23 END 48.2
HIERARCH ESO ISS PBL24 START 85.211
HIERARCH ESO ISS PBL24 END 85.103
HIERARCH ESO ISS PBLA24 START 72.803
HIERARCH ESO ISS PBLA24 END 72.677
HIERARCH ESO ISS PBL34 START 48.122
HIERARCH ESO ISS PBL34 END 47.957
HIERARCH ESO ISS PBLA34 START 95.564
HIERARCH ESO ISS PBLA34 END 95.48
HIERARCH ESO ISS AMBI TAU0 START 0.00294
HIERARCH ESO ISS AMBI TAU0 END 0.003491
HIERARCH ESO ISS AMBI TEMP 16.75
HIERARCH ESO ISS AMBI FWHM START 1.28
HIERARCH ESO ISS AMBI FWHM END 1.28