Exposure
ID
MATIS.2021-03-01T01:57:55.498_1
Header ID
MATIS.2021-03-01T01:57:55.498
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 01:57:55 UTC+0000
UTC Start
2021-03-01 01:57:55.498
UTC End
2021-03-01 01:58:55.558
MJD Start
59274.08189234
MJD End
59274.082587478886
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.001766
Ambient temperature (°C)
16.81
Seeing (arcsec)
1.73
Observation
ID
46975
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
35256
Name
87 Gem
RA
103.000745
DEC
23.60175
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 47.0400 47.1180 38.7000 38.7000
U1-U3 89.1200 89.2610 44.3000 44.3000
U1-U4 128.5850 128.6590 64.7660 64.6810
U2-U3 42.5520 42.6110 50.5000 50.5000
U2-U4 88.7620 88.7190 78.2270 78.1210
U3-U4 54.7980 54.6790 99.4070 99.3280
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 59274.08189234
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 87 Gem
RA 103.000745
DEC 23.60175
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 0.0751997
HIERARCH ESO DET SEQ1 PERIOD 0.156
HIERARCH ESO DET NDIT 385
HIERARCH ESO ISS PBL12 START 47.04
HIERARCH ESO ISS PBL12 END 47.118
HIERARCH ESO ISS PBLA12 START 38.7
HIERARCH ESO ISS PBLA12 END 38.7
HIERARCH ESO ISS PBL13 START 89.12
HIERARCH ESO ISS PBL13 END 89.261
HIERARCH ESO ISS PBLA13 START 44.3
HIERARCH ESO ISS PBLA13 END 44.3
HIERARCH ESO ISS PBL14 START 128.585
HIERARCH ESO ISS PBL14 END 128.659
HIERARCH ESO ISS PBLA14 START 64.766
HIERARCH ESO ISS PBLA14 END 64.681
HIERARCH ESO ISS PBL23 START 42.552
HIERARCH ESO ISS PBL23 END 42.611
HIERARCH ESO ISS PBLA23 START 50.5
HIERARCH ESO ISS PBLA23 END 50.5
HIERARCH ESO ISS PBL24 START 88.762
HIERARCH ESO ISS PBL24 END 88.719
HIERARCH ESO ISS PBLA24 START 78.227
HIERARCH ESO ISS PBLA24 END 78.121
HIERARCH ESO ISS PBL34 START 54.798
HIERARCH ESO ISS PBL34 END 54.679
HIERARCH ESO ISS PBLA34 START 99.407
HIERARCH ESO ISS PBLA34 END 99.328
HIERARCH ESO ISS AMBI TAU0 START 0.001766
HIERARCH ESO ISS AMBI TAU0 END 0.001766
HIERARCH ESO ISS AMBI TEMP 16.81
HIERARCH ESO ISS AMBI FWHM START 1.73
HIERARCH ESO ISS AMBI FWHM END 1.73