Exposure
ID
MATIS.2021-03-01T01:42:39.622_1
Header ID
MATIS.2021-03-01T01:42:39.622
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 01:42:39 UTC+0000
UTC Start
2021-03-01 01:42:39.622
UTC End
2021-03-01 01:43:39.630
MJD Start
59274.07129192
MJD End
59274.07198645704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0023885
Ambient temperature (°C)
16.77
Seeing (arcsec)
1.435
Observation
ID
46976
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
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 45.8080 45.8910 38.3000 38.4000
U1-U3 86.8790 87.0310 44.3000 44.3000
U1-U4 127.2460 127.3460 66.0210 65.9410
U2-U3 41.6000 41.6650 51.0000 50.9000
U2-U4 89.2570 89.2340 79.8180 79.7150
U3-U4 56.5050 56.4000 100.6270 100.5460
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 59274.07129192
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 87 Gem
RA 103.000745
DEC 23.60175
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 45.808
HIERARCH ESO ISS PBL12 END 45.891
HIERARCH ESO ISS PBLA12 START 38.3
HIERARCH ESO ISS PBLA12 END 38.4
HIERARCH ESO ISS PBL13 START 86.879
HIERARCH ESO ISS PBL13 END 87.031
HIERARCH ESO ISS PBLA13 START 44.3
HIERARCH ESO ISS PBLA13 END 44.3
HIERARCH ESO ISS PBL14 START 127.246
HIERARCH ESO ISS PBL14 END 127.346
HIERARCH ESO ISS PBLA14 START 66.021
HIERARCH ESO ISS PBLA14 END 65.941
HIERARCH ESO ISS PBL23 START 41.6
HIERARCH ESO ISS PBL23 END 41.665
HIERARCH ESO ISS PBLA23 START 51.0
HIERARCH ESO ISS PBLA23 END 50.9
HIERARCH ESO ISS PBL24 START 89.257
HIERARCH ESO ISS PBL24 END 89.234
HIERARCH ESO ISS PBLA24 START 79.818
HIERARCH ESO ISS PBLA24 END 79.715
HIERARCH ESO ISS PBL34 START 56.505
HIERARCH ESO ISS PBL34 END 56.4
HIERARCH ESO ISS PBLA34 START 100.627
HIERARCH ESO ISS PBLA34 END 100.546
HIERARCH ESO ISS AMBI TAU0 START 0.002367
HIERARCH ESO ISS AMBI TAU0 END 0.00241
HIERARCH ESO ISS AMBI TEMP 16.77
HIERARCH ESO ISS AMBI FWHM START 1.25
HIERARCH ESO ISS AMBI FWHM END 1.62