Exposure
ID
MATIS.2025-01-30T01:26:34.322_1
Header ID
MATIS.2025-01-30T01:26:34.322
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-30 01:35:47 UTC+0000
UTC Start
2025-01-30 01:26:34.322
UTC End
2025-01-30 01:27:34.382
MJD Start
60705.06011947
MJD End
60705.060814608885
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.006901
Ambient temperature (°C)
16.59
Seeing (arcsec)
0.81
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 14.0010 14.0440 86.0000 86.2000
A0-D0 31.5940 31.5970 15.6000 15.9000
A0-C1 16.2440 16.2680 48.3920 48.6970
B2-D0 29.9430 29.9490 349.5000 349.7000
B2-C1 9.9710 9.9730 349.4900 349.6580
D0-C1 19.9720 19.9760 169.5340 169.7030
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 60705.06011947
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 14.001
HIERARCH ESO ISS PBL12 END 14.044
HIERARCH ESO ISS PBLA12 START 86.0
HIERARCH ESO ISS PBLA12 END 86.2
HIERARCH ESO ISS PBL13 START 31.594
HIERARCH ESO ISS PBL13 END 31.597
HIERARCH ESO ISS PBLA13 START 15.6
HIERARCH ESO ISS PBLA13 END 15.9
HIERARCH ESO ISS PBL14 START 16.244
HIERARCH ESO ISS PBL14 END 16.268
HIERARCH ESO ISS PBLA14 START 48.392
HIERARCH ESO ISS PBLA14 END 48.697
HIERARCH ESO ISS PBL23 START 29.943
HIERARCH ESO ISS PBL23 END 29.949
HIERARCH ESO ISS PBLA23 START 349.5
HIERARCH ESO ISS PBLA23 END 349.7
HIERARCH ESO ISS PBL24 START 9.971
HIERARCH ESO ISS PBL24 END 9.973
HIERARCH ESO ISS PBLA24 START 349.49
HIERARCH ESO ISS PBLA24 END 349.658
HIERARCH ESO ISS PBL34 START 19.972
HIERARCH ESO ISS PBL34 END 19.976
HIERARCH ESO ISS PBLA34 START 169.534
HIERARCH ESO ISS PBLA34 END 169.703
HIERARCH ESO ISS AMBI TAU0 START 0.006901
HIERARCH ESO ISS AMBI TAU0 END 0.006901
HIERARCH ESO ISS AMBI TEMP 16.59
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.81