Exposure
ID
MATIS.2021-03-01T02:42:08.916_1
Header ID
MATIS.2021-03-01T02:42:08.916
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 02:42:08 UTC+0000
UTC Start
2021-03-01 02:42:08.916
UTC End
2021-03-01 02:43:08.976
MJD Start
59274.11260319
MJD End
59274.113298328884
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.003259
Ambient temperature (°C)
16.67
Seeing (arcsec)
1.18
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 50.2380 50.3060 38.9000 38.9000
U1-U3 94.6440 94.7550 43.4000 43.4000
U1-U4 130.2100 130.2090 60.6980 60.5940
U2-U3 44.7340 44.7750 48.5000 48.4000
U2-U4 85.5940 85.4900 73.2590 73.1340
U3-U4 48.7150 48.5530 95.8710 95.7870
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 59274.11260319
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 50.238
HIERARCH ESO ISS PBL12 END 50.306
HIERARCH ESO ISS PBLA12 START 38.9
HIERARCH ESO ISS PBLA12 END 38.9
HIERARCH ESO ISS PBL13 START 94.644
HIERARCH ESO ISS PBL13 END 94.755
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 130.21
HIERARCH ESO ISS PBL14 END 130.209
HIERARCH ESO ISS PBLA14 START 60.698
HIERARCH ESO ISS PBLA14 END 60.594
HIERARCH ESO ISS PBL23 START 44.734
HIERARCH ESO ISS PBL23 END 44.775
HIERARCH ESO ISS PBLA23 START 48.5
HIERARCH ESO ISS PBLA23 END 48.4
HIERARCH ESO ISS PBL24 START 85.594
HIERARCH ESO ISS PBL24 END 85.49
HIERARCH ESO ISS PBLA24 START 73.259
HIERARCH ESO ISS PBLA24 END 73.134
HIERARCH ESO ISS PBL34 START 48.715
HIERARCH ESO ISS PBL34 END 48.553
HIERARCH ESO ISS PBLA34 START 95.871
HIERARCH ESO ISS PBLA34 END 95.787
HIERARCH ESO ISS AMBI TAU0 START 0.003256
HIERARCH ESO ISS AMBI TAU0 END 0.003262
HIERARCH ESO ISS AMBI TEMP 16.67
HIERARCH ESO ISS AMBI FWHM START 1.18
HIERARCH ESO ISS AMBI FWHM END 1.18