Exposure
ID
MATIS.2025-03-08T06:04:34.311_1
Header ID
MATIS.2025-03-08T06:04:34.311
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 06:15:50 UTC+0000
UTC Start
2025-03-08 06:04:34.311
UTC End
2025-03-08 06:05:34.371
MJD Start
60742.2531749
MJD End
60742.25387003888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.005913
Ambient temperature (°C)
13.33
Seeing (arcsec)
0.88
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 23.7570 23.7620 164.7000 164.9000
A0-D0 27.7700 27.7390 111.4000 111.7000
A0-C1 22.6180 22.6190 145.5560 145.7760
B2-D0 23.3690 23.3260 56.9000 57.0000
B2-C1 7.7840 7.7700 56.8320 56.9870
D0-C1 15.5850 15.5570 236.9250 237.0790
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 60742.2531749
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 23.757
HIERARCH ESO ISS PBL12 END 23.762
HIERARCH ESO ISS PBLA12 START 164.7
HIERARCH ESO ISS PBLA12 END 164.9
HIERARCH ESO ISS PBL13 START 27.77
HIERARCH ESO ISS PBL13 END 27.739
HIERARCH ESO ISS PBLA13 START 111.4
HIERARCH ESO ISS PBLA13 END 111.7
HIERARCH ESO ISS PBL14 START 22.618
HIERARCH ESO ISS PBL14 END 22.619
HIERARCH ESO ISS PBLA14 START 145.556
HIERARCH ESO ISS PBLA14 END 145.776
HIERARCH ESO ISS PBL23 START 23.369
HIERARCH ESO ISS PBL23 END 23.326
HIERARCH ESO ISS PBLA23 START 56.9
HIERARCH ESO ISS PBLA23 END 57.0
HIERARCH ESO ISS PBL24 START 7.784
HIERARCH ESO ISS PBL24 END 7.77
HIERARCH ESO ISS PBLA24 START 56.832
HIERARCH ESO ISS PBLA24 END 56.987
HIERARCH ESO ISS PBL34 START 15.585
HIERARCH ESO ISS PBL34 END 15.557
HIERARCH ESO ISS PBLA34 START 236.925
HIERARCH ESO ISS PBLA34 END 237.079
HIERARCH ESO ISS AMBI TAU0 START 0.007345
HIERARCH ESO ISS AMBI TAU0 END 0.004481
HIERARCH ESO ISS AMBI TEMP 13.33
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.95