Exposure
ID
MATIS.2021-03-01T01:54:09.787_1
Header ID
MATIS.2021-03-01T01:54:09.787
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-03-01 01:54:09 UTC+0000
UTC Start
2021-03-01 01:54:09.787
UTC End
2021-03-01 01:55:09.795
MJD Start
59274.07927994
MJD End
59274.07997447704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001766
Ambient temperature (°C)
16.91
Seeing (arcsec)
1.825
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 46.7410 46.8240 38.6000 38.7000
U1-U3 88.5820 88.7310 44.3000 44.3000
U1-U4 128.2930 128.3750 65.0820 64.9960
U2-U3 42.3270 42.3890 50.6000 50.6000
U2-U4 88.9140 88.8740 78.6240 78.5150
U3-U4 55.2390 55.1190 99.7070 99.6250
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 59274.07927994
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 46.741
HIERARCH ESO ISS PBL12 END 46.824
HIERARCH ESO ISS PBLA12 START 38.6
HIERARCH ESO ISS PBLA12 END 38.7
HIERARCH ESO ISS PBL13 START 88.582
HIERARCH ESO ISS PBL13 END 88.731
HIERARCH ESO ISS PBLA13 START 44.3
HIERARCH ESO ISS PBLA13 END 44.3
HIERARCH ESO ISS PBL14 START 128.293
HIERARCH ESO ISS PBL14 END 128.375
HIERARCH ESO ISS PBLA14 START 65.082
HIERARCH ESO ISS PBLA14 END 64.996
HIERARCH ESO ISS PBL23 START 42.327
HIERARCH ESO ISS PBL23 END 42.389
HIERARCH ESO ISS PBLA23 START 50.6
HIERARCH ESO ISS PBLA23 END 50.6
HIERARCH ESO ISS PBL24 START 88.914
HIERARCH ESO ISS PBL24 END 88.874
HIERARCH ESO ISS PBLA24 START 78.624
HIERARCH ESO ISS PBLA24 END 78.515
HIERARCH ESO ISS PBL34 START 55.239
HIERARCH ESO ISS PBL34 END 55.119
HIERARCH ESO ISS PBLA34 START 99.707
HIERARCH ESO ISS PBLA34 END 99.625
HIERARCH ESO ISS AMBI TAU0 START 0.001766
HIERARCH ESO ISS AMBI TAU0 END 0.001766
HIERARCH ESO ISS AMBI TEMP 16.91
HIERARCH ESO ISS AMBI FWHM START 1.92
HIERARCH ESO ISS AMBI FWHM END 1.73