Exposure
ID
MATIS.2025-03-08T05:08:21.136_1
Header ID
MATIS.2025-03-08T05:08:21.136
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 05:20:45 UTC+0000
UTC Start
2025-03-08 05:08:21.136
UTC End
2025-03-08 05:09:21.196
MJD Start
60742.21413352
MJD End
60742.214828658885
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.005553499999999999
Ambient temperature (°C)
13.42
Seeing (arcsec)
1.02
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 23.3970 23.4050 154.5000 154.7000
A0-D0 29.3370 29.3110 98.1000 98.3000
A0-C1 22.5210 22.5240 133.3220 133.5460
B2-D0 25.4780 25.4430 48.2000 48.3000
B2-C1 8.4860 8.4740 48.1030 48.2660
D0-C1 16.9920 16.9690 228.1870 228.3500
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 60742.21413352
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 23.397
HIERARCH ESO ISS PBL12 END 23.405
HIERARCH ESO ISS PBLA12 START 154.5
HIERARCH ESO ISS PBLA12 END 154.7
HIERARCH ESO ISS PBL13 START 29.337
HIERARCH ESO ISS PBL13 END 29.311
HIERARCH ESO ISS PBLA13 START 98.1
HIERARCH ESO ISS PBLA13 END 98.3
HIERARCH ESO ISS PBL14 START 22.521
HIERARCH ESO ISS PBL14 END 22.524
HIERARCH ESO ISS PBLA14 START 133.322
HIERARCH ESO ISS PBLA14 END 133.546
HIERARCH ESO ISS PBL23 START 25.478
HIERARCH ESO ISS PBL23 END 25.443
HIERARCH ESO ISS PBLA23 START 48.2
HIERARCH ESO ISS PBLA23 END 48.3
HIERARCH ESO ISS PBL24 START 8.486
HIERARCH ESO ISS PBL24 END 8.474
HIERARCH ESO ISS PBLA24 START 48.103
HIERARCH ESO ISS PBLA24 END 48.266
HIERARCH ESO ISS PBL34 START 16.992
HIERARCH ESO ISS PBL34 END 16.969
HIERARCH ESO ISS PBLA34 START 228.187
HIERARCH ESO ISS PBLA34 END 228.35
HIERARCH ESO ISS AMBI TAU0 START 0.00571
HIERARCH ESO ISS AMBI TAU0 END 0.005397
HIERARCH ESO ISS AMBI TEMP 13.42
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 1.02