Exposure
ID
MATIS.2025-03-08T05:58:22.770_1
Header ID
MATIS.2025-03-08T05:58:22.770
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 06:05:49 UTC+0000
UTC Start
2025-03-08 05:58:22.770
UTC End
2025-03-08 05:59:22.830
MJD Start
60742.24887465
MJD End
60742.24956978889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0054825
Ambient temperature (°C)
13.29
Seeing (arcsec)
0.83
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 23.7270 23.7320 163.6000 163.7000
A0-D0 27.9530 27.9230 109.9000 110.2000
A0-C1 22.6140 22.6150 144.1910 144.4110
B2-D0 23.6220 23.5810 55.9000 56.1000
B2-C1 7.8680 7.8550 55.8640 56.0200
D0-C1 15.7540 15.7270 235.9550 236.1110
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 60742.24887465
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 23.727
HIERARCH ESO ISS PBL12 END 23.732
HIERARCH ESO ISS PBLA12 START 163.6
HIERARCH ESO ISS PBLA12 END 163.7
HIERARCH ESO ISS PBL13 START 27.953
HIERARCH ESO ISS PBL13 END 27.923
HIERARCH ESO ISS PBLA13 START 109.9
HIERARCH ESO ISS PBLA13 END 110.2
HIERARCH ESO ISS PBL14 START 22.614
HIERARCH ESO ISS PBL14 END 22.615
HIERARCH ESO ISS PBLA14 START 144.191
HIERARCH ESO ISS PBLA14 END 144.411
HIERARCH ESO ISS PBL23 START 23.622
HIERARCH ESO ISS PBL23 END 23.581
HIERARCH ESO ISS PBLA23 START 55.9
HIERARCH ESO ISS PBLA23 END 56.1
HIERARCH ESO ISS PBL24 START 7.868
HIERARCH ESO ISS PBL24 END 7.855
HIERARCH ESO ISS PBLA24 START 55.864
HIERARCH ESO ISS PBLA24 END 56.02
HIERARCH ESO ISS PBL34 START 15.754
HIERARCH ESO ISS PBL34 END 15.727
HIERARCH ESO ISS PBLA34 START 235.955
HIERARCH ESO ISS PBLA34 END 236.111
HIERARCH ESO ISS AMBI TAU0 START 0.005747
HIERARCH ESO ISS AMBI TAU0 END 0.005218
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.83