Exposure
ID
MATIS.2025-03-08T05:23:36.039_1
Header ID
MATIS.2025-03-08T05:23:36.039
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 05:30:54 UTC+0000
UTC Start
2025-03-08 05:23:36.039
UTC End
2025-03-08 05:24:36.099
MJD Start
60742.22472267
MJD End
60742.225417808884
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0063809999999999995
Ambient temperature (°C)
13.41
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 23.5150 23.5230 157.3000 157.4000
A0-D0 28.9370 28.9100 101.6000 101.8000
A0-C1 22.5620 22.5640 136.6140 136.8290
B2-D0 24.9490 24.9130 50.5000 50.7000
B2-C1 8.3100 8.2980 50.4680 50.6210
D0-C1 16.6390 16.6150 230.5540 230.7070
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 60742.22472267
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 0.156
HIERARCH ESO DET NDIT 385
HIERARCH ESO ISS PBL12 START 23.515
HIERARCH ESO ISS PBL12 END 23.523
HIERARCH ESO ISS PBLA12 START 157.3
HIERARCH ESO ISS PBLA12 END 157.4
HIERARCH ESO ISS PBL13 START 28.937
HIERARCH ESO ISS PBL13 END 28.91
HIERARCH ESO ISS PBLA13 START 101.6
HIERARCH ESO ISS PBLA13 END 101.8
HIERARCH ESO ISS PBL14 START 22.562
HIERARCH ESO ISS PBL14 END 22.564
HIERARCH ESO ISS PBLA14 START 136.614
HIERARCH ESO ISS PBLA14 END 136.829
HIERARCH ESO ISS PBL23 START 24.949
HIERARCH ESO ISS PBL23 END 24.913
HIERARCH ESO ISS PBLA23 START 50.5
HIERARCH ESO ISS PBLA23 END 50.7
HIERARCH ESO ISS PBL24 START 8.31
HIERARCH ESO ISS PBL24 END 8.298
HIERARCH ESO ISS PBLA24 START 50.468
HIERARCH ESO ISS PBLA24 END 50.621
HIERARCH ESO ISS PBL34 START 16.639
HIERARCH ESO ISS PBL34 END 16.615
HIERARCH ESO ISS PBLA34 START 230.554
HIERARCH ESO ISS PBLA34 END 230.707
HIERARCH ESO ISS AMBI TAU0 START 0.005925
HIERARCH ESO ISS AMBI TAU0 END 0.006837
HIERARCH ESO ISS AMBI TEMP 13.41
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.8