Exposure
ID
MATIS.2021-03-01T01:44:04.338_1
Header ID
MATIS.2021-03-01T01:44:04.338
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 01:44:04 UTC+0000
UTC Start
2021-03-01 01:44:04.338
UTC End
2021-03-01 01:45:04.398
MJD Start
59274.07227243
MJD End
59274.072967568885
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.00241
Ambient temperature (°C)
16.64
Seeing (arcsec)
1.62
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 45.9240 46.0060 38.4000 38.4000
U1-U3 87.0910 87.2420 44.3000 44.3000
U1-U4 127.3860 127.4840 65.9090 65.8280
U2-U3 41.6910 41.7560 50.9000 50.9000
U2-U4 89.2250 89.2000 79.6740 79.5710
U3-U4 56.3580 56.2510 100.5140 100.4340
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 59274.07227243
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 45.924
HIERARCH ESO ISS PBL12 END 46.006
HIERARCH ESO ISS PBLA12 START 38.4
HIERARCH ESO ISS PBLA12 END 38.4
HIERARCH ESO ISS PBL13 START 87.091
HIERARCH ESO ISS PBL13 END 87.242
HIERARCH ESO ISS PBLA13 START 44.3
HIERARCH ESO ISS PBLA13 END 44.3
HIERARCH ESO ISS PBL14 START 127.386
HIERARCH ESO ISS PBL14 END 127.484
HIERARCH ESO ISS PBLA14 START 65.909
HIERARCH ESO ISS PBLA14 END 65.828
HIERARCH ESO ISS PBL23 START 41.691
HIERARCH ESO ISS PBL23 END 41.756
HIERARCH ESO ISS PBLA23 START 50.9
HIERARCH ESO ISS PBLA23 END 50.9
HIERARCH ESO ISS PBL24 START 89.225
HIERARCH ESO ISS PBL24 END 89.2
HIERARCH ESO ISS PBLA24 START 79.674
HIERARCH ESO ISS PBLA24 END 79.571
HIERARCH ESO ISS PBL34 START 56.358
HIERARCH ESO ISS PBL34 END 56.251
HIERARCH ESO ISS PBLA34 START 100.514
HIERARCH ESO ISS PBLA34 END 100.434
HIERARCH ESO ISS AMBI TAU0 START 0.00241
HIERARCH ESO ISS AMBI TAU0 END 0.00241
HIERARCH ESO ISS AMBI TEMP 16.64
HIERARCH ESO ISS AMBI FWHM START 1.62
HIERARCH ESO ISS AMBI FWHM END 1.62