Exposure
ID
MATIS.2021-03-01T02:35:43.126_1
Header ID
MATIS.2021-03-01T02:35:43.126
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 02:35:43 UTC+0000
UTC Start
2021-03-01 02:35:43.126
UTC End
2021-03-01 02:36:43.090
MJD Start
59274.10813803
MJD End
59274.10883205778
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003325
Ambient temperature (°C)
16.75
Seeing (arcsec)
1.1
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 49.8100 49.8800 39.0000 39.0000
U1-U3 93.9330 94.0490 43.6000 43.6000
U1-U4 130.1750 130.1850 61.3330 61.2320
U2-U3 44.4700 44.5130 48.8000 48.8000
U2-U4 86.2090 86.1130 74.0230 73.9020
U3-U4 49.7010 49.5450 96.3920 96.3090
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 59274.10813803
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 49.81
HIERARCH ESO ISS PBL12 END 49.88
HIERARCH ESO ISS PBLA12 START 39.0
HIERARCH ESO ISS PBLA12 END 39.0
HIERARCH ESO ISS PBL13 START 93.933
HIERARCH ESO ISS PBL13 END 94.049
HIERARCH ESO ISS PBLA13 START 43.6
HIERARCH ESO ISS PBLA13 END 43.6
HIERARCH ESO ISS PBL14 START 130.175
HIERARCH ESO ISS PBL14 END 130.185
HIERARCH ESO ISS PBLA14 START 61.333
HIERARCH ESO ISS PBLA14 END 61.232
HIERARCH ESO ISS PBL23 START 44.47
HIERARCH ESO ISS PBL23 END 44.513
HIERARCH ESO ISS PBLA23 START 48.8
HIERARCH ESO ISS PBLA23 END 48.8
HIERARCH ESO ISS PBL24 START 86.209
HIERARCH ESO ISS PBL24 END 86.113
HIERARCH ESO ISS PBLA24 START 74.023
HIERARCH ESO ISS PBLA24 END 73.902
HIERARCH ESO ISS PBL34 START 49.701
HIERARCH ESO ISS PBL34 END 49.545
HIERARCH ESO ISS PBLA34 START 96.392
HIERARCH ESO ISS PBLA34 END 96.309
HIERARCH ESO ISS AMBI TAU0 START 0.003228
HIERARCH ESO ISS AMBI TAU0 END 0.003422
HIERARCH ESO ISS AMBI TEMP 16.75
HIERARCH ESO ISS AMBI FWHM START 1.06
HIERARCH ESO ISS AMBI FWHM END 1.14