Exposure
ID
MATIS.2025-03-05T05:14:45.246_1
Header ID
MATIS.2025-03-05T05:14:45.246
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-05 05:21:25 UTC+0000
UTC Start
2025-03-05 05:14:45.246
UTC End
2025-03-05 05:15:45.306
MJD Start
60739.21857924
MJD End
60739.219274378884
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0051985
Ambient temperature (°C)
14.33
Seeing (arcsec)
0.765
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 23.3510 23.3600 153.5000 153.7000
A0-D0 29.4730 29.4470 96.8000 97.1000
A0-C1 22.5030 22.5060 132.1660 132.3810
B2-D0 25.6570 25.6230 47.3000 47.5000
B2-C1 8.5460 8.5340 47.2690 47.4240
D0-C1 17.1110 17.0890 227.3530 227.5070
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 60739.21857924
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 23.351
HIERARCH ESO ISS PBL12 END 23.36
HIERARCH ESO ISS PBLA12 START 153.5
HIERARCH ESO ISS PBLA12 END 153.7
HIERARCH ESO ISS PBL13 START 29.473
HIERARCH ESO ISS PBL13 END 29.447
HIERARCH ESO ISS PBLA13 START 96.8
HIERARCH ESO ISS PBLA13 END 97.1
HIERARCH ESO ISS PBL14 START 22.503
HIERARCH ESO ISS PBL14 END 22.506
HIERARCH ESO ISS PBLA14 START 132.166
HIERARCH ESO ISS PBLA14 END 132.381
HIERARCH ESO ISS PBL23 START 25.657
HIERARCH ESO ISS PBL23 END 25.623
HIERARCH ESO ISS PBLA23 START 47.3
HIERARCH ESO ISS PBLA23 END 47.5
HIERARCH ESO ISS PBL24 START 8.546
HIERARCH ESO ISS PBL24 END 8.534
HIERARCH ESO ISS PBLA24 START 47.269
HIERARCH ESO ISS PBLA24 END 47.424
HIERARCH ESO ISS PBL34 START 17.111
HIERARCH ESO ISS PBL34 END 17.089
HIERARCH ESO ISS PBLA34 START 227.353
HIERARCH ESO ISS PBLA34 END 227.507
HIERARCH ESO ISS AMBI TAU0 START 0.00481
HIERARCH ESO ISS AMBI TAU0 END 0.005587
HIERARCH ESO ISS AMBI TEMP 14.33
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.74