Exposure
ID
MATIS.2025-03-08T05:11:49.139_1
Header ID
MATIS.2025-03-08T05:11:49.139
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 05:20:45 UTC+0000
UTC Start
2025-03-08 05:11:49.139
UTC End
2025-03-08 05:12:49.199
MJD Start
60742.21654096
MJD End
60742.217236098884
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0069225
Ambient temperature (°C)
13.44
Seeing (arcsec)
0.72
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 23.4250 23.4330 155.1000 155.3000
A0-D0 29.2480 29.2220 98.9000 99.1000
A0-C1 22.5310 22.5340 134.0670 134.2910
B2-D0 25.3600 25.3260 48.7000 48.9000
B2-C1 8.4470 8.4350 48.6390 48.8020
D0-C1 16.9140 16.8900 228.7230 228.8860
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 60742.21654096
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 23.425
HIERARCH ESO ISS PBL12 END 23.433
HIERARCH ESO ISS PBLA12 START 155.1
HIERARCH ESO ISS PBLA12 END 155.3
HIERARCH ESO ISS PBL13 START 29.248
HIERARCH ESO ISS PBL13 END 29.222
HIERARCH ESO ISS PBLA13 START 98.9
HIERARCH ESO ISS PBLA13 END 99.1
HIERARCH ESO ISS PBL14 START 22.531
HIERARCH ESO ISS PBL14 END 22.534
HIERARCH ESO ISS PBLA14 START 134.067
HIERARCH ESO ISS PBLA14 END 134.291
HIERARCH ESO ISS PBL23 START 25.36
HIERARCH ESO ISS PBL23 END 25.326
HIERARCH ESO ISS PBLA23 START 48.7
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 8.447
HIERARCH ESO ISS PBL24 END 8.435
HIERARCH ESO ISS PBLA24 START 48.639
HIERARCH ESO ISS PBLA24 END 48.802
HIERARCH ESO ISS PBL34 START 16.914
HIERARCH ESO ISS PBL34 END 16.89
HIERARCH ESO ISS PBLA34 START 228.723
HIERARCH ESO ISS PBLA34 END 228.886
HIERARCH ESO ISS AMBI TAU0 START 0.006935
HIERARCH ESO ISS AMBI TAU0 END 0.00691
HIERARCH ESO ISS AMBI TEMP 13.44
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.67