Exposure
ID
MATIS.2025-03-08T06:02:29.953_1
Header ID
MATIS.2025-03-08T06:02:29.953
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 06:10:47 UTC+0000
UTC Start
2025-03-08 06:02:29.953
UTC End
2025-03-08 06:03:30.013
MJD Start
60742.25173557
MJD End
60742.25243070888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.005541
Ambient temperature (°C)
13.33
Seeing (arcsec)
0.83
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 23.7470 23.7520 164.3000 164.5000
A0-D0 27.8310 27.8010 110.9000 111.2000
A0-C1 22.6170 22.6180 145.1010 145.3210
B2-D0 23.4540 23.4130 56.6000 56.7000
B2-C1 7.8120 7.7980 56.5110 56.6670
D0-C1 15.6420 15.6140 236.6020 236.7590
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 60742.25173557
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 23.747
HIERARCH ESO ISS PBL12 END 23.752
HIERARCH ESO ISS PBLA12 START 164.3
HIERARCH ESO ISS PBLA12 END 164.5
HIERARCH ESO ISS PBL13 START 27.831
HIERARCH ESO ISS PBL13 END 27.801
HIERARCH ESO ISS PBLA13 START 110.9
HIERARCH ESO ISS PBLA13 END 111.2
HIERARCH ESO ISS PBL14 START 22.617
HIERARCH ESO ISS PBL14 END 22.618
HIERARCH ESO ISS PBLA14 START 145.101
HIERARCH ESO ISS PBLA14 END 145.321
HIERARCH ESO ISS PBL23 START 23.454
HIERARCH ESO ISS PBL23 END 23.413
HIERARCH ESO ISS PBLA23 START 56.6
HIERARCH ESO ISS PBLA23 END 56.7
HIERARCH ESO ISS PBL24 START 7.812
HIERARCH ESO ISS PBL24 END 7.798
HIERARCH ESO ISS PBLA24 START 56.511
HIERARCH ESO ISS PBLA24 END 56.667
HIERARCH ESO ISS PBL34 START 15.642
HIERARCH ESO ISS PBL34 END 15.614
HIERARCH ESO ISS PBLA34 START 236.602
HIERARCH ESO ISS PBLA34 END 236.759
HIERARCH ESO ISS AMBI TAU0 START 0.005169
HIERARCH ESO ISS AMBI TAU0 END 0.005913
HIERARCH ESO ISS AMBI TEMP 13.33
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.83