Exposure
ID
MATIS.2021-03-01T02:49:44.194_1
Header ID
MATIS.2021-03-01T02:49:44.194
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 02:49:44 UTC+0000
UTC Start
2021-03-01 02:49:44.194
UTC End
2021-03-01 02:50:44.254
MJD Start
59274.11787261
MJD End
59274.11856774888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.003503
Ambient temperature (°C)
16.85
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 50.7260 50.7890 38.9000 38.9000
U1-U3 95.4420 95.5440 43.2000 43.2000
U1-U4 130.1660 130.1540 59.9250 59.8220
U2-U3 45.0220 45.0590 48.1000 48.0000
U2-U4 84.8040 84.6950 72.3330 72.2090
U3-U4 47.5070 47.3440 95.2500 95.1680
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 59274.11787261
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 50.726
HIERARCH ESO ISS PBL12 END 50.789
HIERARCH ESO ISS PBLA12 START 38.9
HIERARCH ESO ISS PBLA12 END 38.9
HIERARCH ESO ISS PBL13 START 95.442
HIERARCH ESO ISS PBL13 END 95.544
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.166
HIERARCH ESO ISS PBL14 END 130.154
HIERARCH ESO ISS PBLA14 START 59.925
HIERARCH ESO ISS PBLA14 END 59.822
HIERARCH ESO ISS PBL23 START 45.022
HIERARCH ESO ISS PBL23 END 45.059
HIERARCH ESO ISS PBLA23 START 48.1
HIERARCH ESO ISS PBLA23 END 48.0
HIERARCH ESO ISS PBL24 START 84.804
HIERARCH ESO ISS PBL24 END 84.695
HIERARCH ESO ISS PBLA24 START 72.333
HIERARCH ESO ISS PBLA24 END 72.209
HIERARCH ESO ISS PBL34 START 47.507
HIERARCH ESO ISS PBL34 END 47.344
HIERARCH ESO ISS PBLA34 START 95.25
HIERARCH ESO ISS PBLA34 END 95.168
HIERARCH ESO ISS AMBI TAU0 START 0.003503
HIERARCH ESO ISS AMBI TAU0 END 0.003503
HIERARCH ESO ISS AMBI TEMP 16.85
HIERARCH ESO ISS AMBI FWHM START 1.1
HIERARCH ESO ISS AMBI FWHM END 1.1