Exposure
ID
MATIS.2025-03-08T05:16:38.052_1
Header ID
MATIS.2025-03-08T05:16:38.052
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 05:25:48 UTC+0000
UTC Start
2025-03-08 05:16:38.052
UTC End
2025-03-08 05:17:38.112
MJD Start
60742.21988486
MJD End
60742.22057999889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0066275
Ambient temperature (°C)
13.43
Seeing (arcsec)
0.745
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 23.4630 23.4710 156.0000 156.2000
A0-D0 29.1230 29.0960 100.0000 100.2000
A0-C1 22.5450 22.5470 135.1100 135.3260
B2-D0 25.1950 25.1600 49.4000 49.6000
B2-C1 8.3920 8.3800 49.3900 49.5450
D0-C1 16.8030 16.7800 229.4750 229.6300
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 60742.21988486
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 23.463
HIERARCH ESO ISS PBL12 END 23.471
HIERARCH ESO ISS PBLA12 START 156.0
HIERARCH ESO ISS PBLA12 END 156.2
HIERARCH ESO ISS PBL13 START 29.123
HIERARCH ESO ISS PBL13 END 29.096
HIERARCH ESO ISS PBLA13 START 100.0
HIERARCH ESO ISS PBLA13 END 100.2
HIERARCH ESO ISS PBL14 START 22.545
HIERARCH ESO ISS PBL14 END 22.547
HIERARCH ESO ISS PBLA14 START 135.11
HIERARCH ESO ISS PBLA14 END 135.326
HIERARCH ESO ISS PBL23 START 25.195
HIERARCH ESO ISS PBL23 END 25.16
HIERARCH ESO ISS PBLA23 START 49.4
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 8.392
HIERARCH ESO ISS PBL24 END 8.38
HIERARCH ESO ISS PBLA24 START 49.39
HIERARCH ESO ISS PBLA24 END 49.545
HIERARCH ESO ISS PBL34 START 16.803
HIERARCH ESO ISS PBL34 END 16.78
HIERARCH ESO ISS PBLA34 START 229.475
HIERARCH ESO ISS PBLA34 END 229.63
HIERARCH ESO ISS AMBI TAU0 START 0.006747
HIERARCH ESO ISS AMBI TAU0 END 0.006508
HIERARCH ESO ISS AMBI TEMP 13.43
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.69