Exposure
ID
MATIS.2025-03-08T05:22:23.903_1
Header ID
MATIS.2025-03-08T05:22:23.903
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 05:30:54 UTC+0000
UTC Start
2025-03-08 05:22:23.903
UTC End
2025-03-08 05:23:23.963
MJD Start
60742.22388777
MJD End
60742.224582908886
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0062395
Ambient temperature (°C)
13.39
Seeing (arcsec)
0.78
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 23.5070 23.5140 157.0000 157.2000
A0-D0 28.9690 28.9430 101.3000 101.6000
A0-C1 22.5590 22.5620 136.3550 136.5710
B2-D0 24.9920 24.9560 50.3000 50.5000
B2-C1 8.3240 8.3120 50.2830 50.4370
D0-C1 16.6680 16.6440 230.3690 230.5230
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 60742.22388777
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 23.507
HIERARCH ESO ISS PBL12 END 23.514
HIERARCH ESO ISS PBLA12 START 157.0
HIERARCH ESO ISS PBLA12 END 157.2
HIERARCH ESO ISS PBL13 START 28.969
HIERARCH ESO ISS PBL13 END 28.943
HIERARCH ESO ISS PBLA13 START 101.3
HIERARCH ESO ISS PBLA13 END 101.6
HIERARCH ESO ISS PBL14 START 22.559
HIERARCH ESO ISS PBL14 END 22.562
HIERARCH ESO ISS PBLA14 START 136.355
HIERARCH ESO ISS PBLA14 END 136.571
HIERARCH ESO ISS PBL23 START 24.992
HIERARCH ESO ISS PBL23 END 24.956
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.5
HIERARCH ESO ISS PBL24 START 8.324
HIERARCH ESO ISS PBL24 END 8.312
HIERARCH ESO ISS PBLA24 START 50.283
HIERARCH ESO ISS PBLA24 END 50.437
HIERARCH ESO ISS PBL34 START 16.668
HIERARCH ESO ISS PBL34 END 16.644
HIERARCH ESO ISS PBLA34 START 230.369
HIERARCH ESO ISS PBLA34 END 230.523
HIERARCH ESO ISS AMBI TAU0 START 0.006554
HIERARCH ESO ISS AMBI TAU0 END 0.005925
HIERARCH ESO ISS AMBI TEMP 13.39
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.82