Exposure
ID
MATIS.2025-03-05T05:16:06.488_1
Header ID
MATIS.2025-03-05T05:16:06.488
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 05:16:06.488
UTC End
2025-03-05 05:17:06.548
MJD Start
60739.21951954
MJD End
60739.220214678884
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.005587
Ambient temperature (°C)
14.3
Seeing (arcsec)
0.725
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 23.3620 23.3710 153.8000 154.0000
A0-D0 29.4390 29.4140 97.1000 97.4000
A0-C1 22.5070 22.5110 132.4530 132.6730
B2-D0 25.6120 25.5790 47.5000 47.7000
B2-C1 8.5310 8.5200 47.4760 47.6360
D0-C1 17.0820 17.0590 227.5590 227.7190
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 60739.21951954
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 23.362
HIERARCH ESO ISS PBL12 END 23.371
HIERARCH ESO ISS PBLA12 START 153.8
HIERARCH ESO ISS PBLA12 END 154.0
HIERARCH ESO ISS PBL13 START 29.439
HIERARCH ESO ISS PBL13 END 29.414
HIERARCH ESO ISS PBLA13 START 97.1
HIERARCH ESO ISS PBLA13 END 97.4
HIERARCH ESO ISS PBL14 START 22.507
HIERARCH ESO ISS PBL14 END 22.511
HIERARCH ESO ISS PBLA14 START 132.453
HIERARCH ESO ISS PBLA14 END 132.673
HIERARCH ESO ISS PBL23 START 25.612
HIERARCH ESO ISS PBL23 END 25.579
HIERARCH ESO ISS PBLA23 START 47.5
HIERARCH ESO ISS PBLA23 END 47.7
HIERARCH ESO ISS PBL24 START 8.531
HIERARCH ESO ISS PBL24 END 8.52
HIERARCH ESO ISS PBLA24 START 47.476
HIERARCH ESO ISS PBLA24 END 47.636
HIERARCH ESO ISS PBL34 START 17.082
HIERARCH ESO ISS PBL34 END 17.059
HIERARCH ESO ISS PBLA34 START 227.559
HIERARCH ESO ISS PBLA34 END 227.719
HIERARCH ESO ISS AMBI TAU0 START 0.005587
HIERARCH ESO ISS AMBI TAU0 END 0.005587
HIERARCH ESO ISS AMBI TEMP 14.3
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.71