Exposure
ID
MATIS.2021-03-01T02:38:32.370_1
Header ID
MATIS.2021-03-01T02:38:32.370
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 02:38:32 UTC+0000
UTC Start
2021-03-01 02:38:32.370
UTC End
2021-03-01 02:39:32.378
MJD Start
59274.11009688
MJD End
59274.11079141704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0029665000000000004
Ambient temperature (°C)
16.77
Seeing (arcsec)
1.295
Observation
ID
46980
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 50.0010 50.0690 39.0000 39.0000
U1-U3 94.2500 94.3640 43.6000 43.5000
U1-U4 130.1980 130.2040 61.0550 60.9530
U2-U3 44.5880 44.6310 48.7000 48.6000
U2-U4 85.9440 85.8450 73.6890 73.5660
U3-U4 49.2710 49.1120 96.1630 96.0800
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 59274.11009688
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 87 Gem
RA 103.000948
DEC 23.60153
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN 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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 50.001
HIERARCH ESO ISS PBL12 END 50.069
HIERARCH ESO ISS PBLA12 START 39.0
HIERARCH ESO ISS PBLA12 END 39.0
HIERARCH ESO ISS PBL13 START 94.25
HIERARCH ESO ISS PBL13 END 94.364
HIERARCH ESO ISS PBLA13 START 43.6
HIERARCH ESO ISS PBLA13 END 43.5
HIERARCH ESO ISS PBL14 START 130.198
HIERARCH ESO ISS PBL14 END 130.204
HIERARCH ESO ISS PBLA14 START 61.055
HIERARCH ESO ISS PBLA14 END 60.953
HIERARCH ESO ISS PBL23 START 44.588
HIERARCH ESO ISS PBL23 END 44.631
HIERARCH ESO ISS PBLA23 START 48.7
HIERARCH ESO ISS PBLA23 END 48.6
HIERARCH ESO ISS PBL24 START 85.944
HIERARCH ESO ISS PBL24 END 85.845
HIERARCH ESO ISS PBLA24 START 73.689
HIERARCH ESO ISS PBLA24 END 73.566
HIERARCH ESO ISS PBL34 START 49.271
HIERARCH ESO ISS PBL34 END 49.112
HIERARCH ESO ISS PBLA34 START 96.163
HIERARCH ESO ISS PBLA34 END 96.08
HIERARCH ESO ISS AMBI TAU0 START 0.002775
HIERARCH ESO ISS AMBI TAU0 END 0.003158
HIERARCH ESO ISS AMBI TEMP 16.77
HIERARCH ESO ISS AMBI FWHM START 1.3
HIERARCH ESO ISS AMBI FWHM END 1.29