Exposure
ID
MATIS.2025-01-30T03:14:22.204_1
Header ID
MATIS.2025-01-30T03:14:22.204
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-30 03:20:39 UTC+0000
UTC Start
2025-01-30 03:14:22.204
UTC End
2025-01-30 03:15:22.264
MJD Start
60705.13497921
MJD End
60705.13567434889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.009517
Ambient temperature (°C)
16.19
Seeing (arcsec)
0.48
Observation
ID
63559
Category
science
Program ID
114.273K.001
Program Title
FIRST APERTURE-SYNTHESIS IMAGING OF A CIRCUMSTELLAR ENVELOPE OF CEPHEID WITH VLTI/MATISSE
Program Type
Normal
PI / COI
HOCDÉ / MATTER / GALLENNE / NARDETTO / KERVELLA / PIETRZYNSKI / NARLOCH / WIELGORSKI / HAJDU / GIEREN / KAMINSKI / BAILLEUL / BRAS / AFANASIEV / MÉRAND
Target
ID
47357
Name
l_Car
RA
146.309115
DEC
-62.50784
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 18.1500 18.1840 108.2000 108.4000
A0-D0 31.9500 31.9530 40.9000 41.1000
A0-C1 18.9450 18.9690 77.0070 77.2550
B2-D0 30.0470 30.0430 7.0000 7.2000
B2-C1 10.0060 10.0050 7.0060 7.1760
D0-C1 20.0410 20.0380 187.0630 187.2330
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.273K.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60705.13497921
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME l_Car
RA 146.309115
DEC -62.50784
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0751997
HIERARCH ESO DET SEQ1 PERIOD 0.182
HIERARCH ESO DET NDIT 330
HIERARCH ESO ISS PBL12 START 18.15
HIERARCH ESO ISS PBL12 END 18.184
HIERARCH ESO ISS PBLA12 START 108.2
HIERARCH ESO ISS PBLA12 END 108.4
HIERARCH ESO ISS PBL13 START 31.95
HIERARCH ESO ISS PBL13 END 31.953
HIERARCH ESO ISS PBLA13 START 40.9
HIERARCH ESO ISS PBLA13 END 41.1
HIERARCH ESO ISS PBL14 START 18.945
HIERARCH ESO ISS PBL14 END 18.969
HIERARCH ESO ISS PBLA14 START 77.007
HIERARCH ESO ISS PBLA14 END 77.255
HIERARCH ESO ISS PBL23 START 30.047
HIERARCH ESO ISS PBL23 END 30.043
HIERARCH ESO ISS PBLA23 START 7.0
HIERARCH ESO ISS PBLA23 END 7.2
HIERARCH ESO ISS PBL24 START 10.006
HIERARCH ESO ISS PBL24 END 10.005
HIERARCH ESO ISS PBLA24 START 7.006
HIERARCH ESO ISS PBLA24 END 7.176
HIERARCH ESO ISS PBL34 START 20.041
HIERARCH ESO ISS PBL34 END 20.038
HIERARCH ESO ISS PBLA34 START 187.063
HIERARCH ESO ISS PBLA34 END 187.233
HIERARCH ESO ISS AMBI TAU0 START 0.009517
HIERARCH ESO ISS AMBI TAU0 END 0.009517
HIERARCH ESO ISS AMBI TEMP 16.19
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48