Exposure
ID
MATIS.2025-03-08T05:28:33.589_1
Header ID
MATIS.2025-03-08T05:28:33.589
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 05:40:38 UTC+0000
UTC Start
2025-03-08 05:28:33.589
UTC End
2025-03-08 05:29:33.649
MJD Start
60742.22816654
MJD End
60742.22886167889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.006903
Ambient temperature (°C)
13.33
Seeing (arcsec)
0.785
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 23.5500 23.5570 158.2000 158.3000
A0-D0 28.8030 28.7750 102.8000 103.0000
A0-C1 22.5730 22.5750 137.6810 137.9060
B2-D0 24.7710 24.7340 51.3000 51.5000
B2-C1 8.2510 8.2380 51.2300 51.3930
D0-C1 16.5200 16.4950 231.3170 231.4790
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 60742.22816654
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 23.55
HIERARCH ESO ISS PBL12 END 23.557
HIERARCH ESO ISS PBLA12 START 158.2
HIERARCH ESO ISS PBLA12 END 158.3
HIERARCH ESO ISS PBL13 START 28.803
HIERARCH ESO ISS PBL13 END 28.775
HIERARCH ESO ISS PBLA13 START 102.8
HIERARCH ESO ISS PBLA13 END 103.0
HIERARCH ESO ISS PBL14 START 22.573
HIERARCH ESO ISS PBL14 END 22.575
HIERARCH ESO ISS PBLA14 START 137.681
HIERARCH ESO ISS PBLA14 END 137.906
HIERARCH ESO ISS PBL23 START 24.771
HIERARCH ESO ISS PBL23 END 24.734
HIERARCH ESO ISS PBLA23 START 51.3
HIERARCH ESO ISS PBLA23 END 51.5
HIERARCH ESO ISS PBL24 START 8.251
HIERARCH ESO ISS PBL24 END 8.238
HIERARCH ESO ISS PBLA24 START 51.23
HIERARCH ESO ISS PBLA24 END 51.393
HIERARCH ESO ISS PBL34 START 16.52
HIERARCH ESO ISS PBL34 END 16.495
HIERARCH ESO ISS PBLA34 START 231.317
HIERARCH ESO ISS PBLA34 END 231.479
HIERARCH ESO ISS AMBI TAU0 START 0.006903
HIERARCH ESO ISS AMBI TAU0 END 0.006903
HIERARCH ESO ISS AMBI TEMP 13.33
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.78