Exposure
ID
MATIS.2021-01-31T04:24:26.246_1
Header ID
MATIS.2021-01-31T04:24:26.246
Date updated
2025-03-26 15:25:19 UTC+0000
Release date
2021-01-31 04:24:26 UTC+0000
UTC Start
2021-01-31 04:24:26.246
UTC End
2021-01-31 04:25:26.254
MJD Start
59245.18363711
MJD End
59245.18433164704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0074915
Ambient temperature (°C)
13.61
Seeing (arcsec)
0.64
Observation
ID
46642
Category
calibrator
Program ID
106.21RL.001
Program Title
THE CIRCUMSTELLAR ENVELOPES OF CEPHEIDS AND THEIR IMPACT ON THE PL RELATION IN THE JWST AND ELT ERA
Program Type
Monitoring
PI / COI
HOCDÉ / NARDETTO / CRUZALEBES / DOMICIANO DE SOUZA / GALLENNE / KERVELLA / LAGADEC / LOPEZ / MATTER / MEILLAND / MILLOUR / PHILIPPE / MÉRAND / NICCOLINI
Target
ID
35018
Name
87 Gem
RA
103.000713
DEC
23.6019
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 49.4480 49.5180 39.0000 39.0000
U1-U3 93.3230 93.4410 43.8000 43.8000
U1-U4 130.0960 130.1150 61.8440 61.7470
U2-U3 44.2390 44.2840 49.1000 49.1000
U2-U4 86.6770 86.5900 74.6390 74.5230
U3-U4 50.4880 50.3400 96.8170 96.7360
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21RL.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 59245.18363711
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 87 Gem
RA 103.000713
DEC 23.6019
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 49.448
HIERARCH ESO ISS PBL12 END 49.518
HIERARCH ESO ISS PBLA12 START 39.0
HIERARCH ESO ISS PBLA12 END 39.0
HIERARCH ESO ISS PBL13 START 93.323
HIERARCH ESO ISS PBL13 END 93.441
HIERARCH ESO ISS PBLA13 START 43.8
HIERARCH ESO ISS PBLA13 END 43.8
HIERARCH ESO ISS PBL14 START 130.096
HIERARCH ESO ISS PBL14 END 130.115
HIERARCH ESO ISS PBLA14 START 61.844
HIERARCH ESO ISS PBLA14 END 61.747
HIERARCH ESO ISS PBL23 START 44.239
HIERARCH ESO ISS PBL23 END 44.284
HIERARCH ESO ISS PBLA23 START 49.1
HIERARCH ESO ISS PBLA23 END 49.1
HIERARCH ESO ISS PBL24 START 86.677
HIERARCH ESO ISS PBL24 END 86.59
HIERARCH ESO ISS PBLA24 START 74.639
HIERARCH ESO ISS PBLA24 END 74.523
HIERARCH ESO ISS PBL34 START 50.488
HIERARCH ESO ISS PBL34 END 50.34
HIERARCH ESO ISS PBLA34 START 96.817
HIERARCH ESO ISS PBLA34 END 96.736
HIERARCH ESO ISS AMBI TAU0 START 0.008096
HIERARCH ESO ISS AMBI TAU0 END 0.006887
HIERARCH ESO ISS AMBI TEMP 13.61
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.68