Exposure
ID
MATIS.2025-03-08T06:01:08.842_1
Header ID
MATIS.2025-03-08T06:01:08.842
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 06:05:49 UTC+0000
UTC Start
2025-03-08 06:01:08.842
UTC End
2025-03-08 06:02:08.902
MJD Start
60742.25079678
MJD End
60742.25149191888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0051140000000000005
Ambient temperature (°C)
13.34
Seeing (arcsec)
1.075
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 23.7410 23.7460 164.1000 164.2000
A0-D0 27.8710 27.8420 110.6000 110.8000
A0-C1 22.6160 22.6170 144.7990 145.0190
B2-D0 23.5090 23.4680 56.4000 56.5000
B2-C1 7.8310 7.8170 56.2950 56.4510
D0-C1 15.6790 15.6510 236.3870 236.5430
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 60742.25079678
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 23.741
HIERARCH ESO ISS PBL12 END 23.746
HIERARCH ESO ISS PBLA12 START 164.1
HIERARCH ESO ISS PBLA12 END 164.2
HIERARCH ESO ISS PBL13 START 27.871
HIERARCH ESO ISS PBL13 END 27.842
HIERARCH ESO ISS PBLA13 START 110.6
HIERARCH ESO ISS PBLA13 END 110.8
HIERARCH ESO ISS PBL14 START 22.616
HIERARCH ESO ISS PBL14 END 22.617
HIERARCH ESO ISS PBLA14 START 144.799
HIERARCH ESO ISS PBLA14 END 145.019
HIERARCH ESO ISS PBL23 START 23.509
HIERARCH ESO ISS PBL23 END 23.468
HIERARCH ESO ISS PBLA23 START 56.4
HIERARCH ESO ISS PBLA23 END 56.5
HIERARCH ESO ISS PBL24 START 7.831
HIERARCH ESO ISS PBL24 END 7.817
HIERARCH ESO ISS PBLA24 START 56.295
HIERARCH ESO ISS PBLA24 END 56.451
HIERARCH ESO ISS PBL34 START 15.679
HIERARCH ESO ISS PBL34 END 15.651
HIERARCH ESO ISS PBLA34 START 236.387
HIERARCH ESO ISS PBLA34 END 236.543
HIERARCH ESO ISS AMBI TAU0 START 0.005059
HIERARCH ESO ISS AMBI TAU0 END 0.005169
HIERARCH ESO ISS AMBI TEMP 13.34
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 1.23