Exposure
ID
MATIS.2025-03-05T05:07:40.157_1
Header ID
MATIS.2025-03-05T05:07:40.157
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-05 05:15:44 UTC+0000
UTC Start
2025-03-05 05:07:40.157
UTC End
2025-03-05 05:08:40.217
MJD Start
60739.21365922
MJD End
60739.21435435888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.005669
Ambient temperature (°C)
14.23
Seeing (arcsec)
0.865
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 23.2870 23.2960 152.3000 152.5000
A0-D0 29.6470 29.6220 95.2000 95.5000
A0-C1 22.4760 22.4800 130.6460 130.8600
B2-D0 25.8860 25.8540 46.2000 46.4000
B2-C1 8.6220 8.6110 46.1700 46.3250
D0-C1 17.2640 17.2430 226.2530 226.4080
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 60739.21365922
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 23.287
HIERARCH ESO ISS PBL12 END 23.296
HIERARCH ESO ISS PBLA12 START 152.3
HIERARCH ESO ISS PBLA12 END 152.5
HIERARCH ESO ISS PBL13 START 29.647
HIERARCH ESO ISS PBL13 END 29.622
HIERARCH ESO ISS PBLA13 START 95.2
HIERARCH ESO ISS PBLA13 END 95.5
HIERARCH ESO ISS PBL14 START 22.476
HIERARCH ESO ISS PBL14 END 22.48
HIERARCH ESO ISS PBLA14 START 130.646
HIERARCH ESO ISS PBLA14 END 130.86
HIERARCH ESO ISS PBL23 START 25.886
HIERARCH ESO ISS PBL23 END 25.854
HIERARCH ESO ISS PBLA23 START 46.2
HIERARCH ESO ISS PBLA23 END 46.4
HIERARCH ESO ISS PBL24 START 8.622
HIERARCH ESO ISS PBL24 END 8.611
HIERARCH ESO ISS PBLA24 START 46.17
HIERARCH ESO ISS PBLA24 END 46.325
HIERARCH ESO ISS PBL34 START 17.264
HIERARCH ESO ISS PBL34 END 17.243
HIERARCH ESO ISS PBLA34 START 226.253
HIERARCH ESO ISS PBLA34 END 226.408
HIERARCH ESO ISS AMBI TAU0 START 0.005669
HIERARCH ESO ISS AMBI TAU0 END 0.005669
HIERARCH ESO ISS AMBI TEMP 14.23
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.91