Exposure
ID
MATIS.2025-03-05T05:04:54.153_1
Header ID
MATIS.2025-03-05T05:04:54.153
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 05:04:54.153
UTC End
2025-03-05 05:05:54.213
MJD Start
60739.21173788
MJD End
60739.21243301889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.005669
Ambient temperature (°C)
14.14
Seeing (arcsec)
0.82
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 23.2610 23.2710 151.8000 152.0000
A0-D0 29.7130 29.6890 94.6000 94.8000
A0-C1 22.4650 22.4690 130.0550 130.2680
B2-D0 25.9730 25.9420 45.8000 46.0000
B2-C1 8.6510 8.6400 45.7420 45.8970
D0-C1 17.3230 17.3020 225.8240 225.9790
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 60739.21173788
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 23.261
HIERARCH ESO ISS PBL12 END 23.271
HIERARCH ESO ISS PBLA12 START 151.8
HIERARCH ESO ISS PBLA12 END 152.0
HIERARCH ESO ISS PBL13 START 29.713
HIERARCH ESO ISS PBL13 END 29.689
HIERARCH ESO ISS PBLA13 START 94.6
HIERARCH ESO ISS PBLA13 END 94.8
HIERARCH ESO ISS PBL14 START 22.465
HIERARCH ESO ISS PBL14 END 22.469
HIERARCH ESO ISS PBLA14 START 130.055
HIERARCH ESO ISS PBLA14 END 130.268
HIERARCH ESO ISS PBL23 START 25.973
HIERARCH ESO ISS PBL23 END 25.942
HIERARCH ESO ISS PBLA23 START 45.8
HIERARCH ESO ISS PBLA23 END 46.0
HIERARCH ESO ISS PBL24 START 8.651
HIERARCH ESO ISS PBL24 END 8.64
HIERARCH ESO ISS PBLA24 START 45.742
HIERARCH ESO ISS PBLA24 END 45.897
HIERARCH ESO ISS PBL34 START 17.323
HIERARCH ESO ISS PBL34 END 17.302
HIERARCH ESO ISS PBLA34 START 225.824
HIERARCH ESO ISS PBLA34 END 225.979
HIERARCH ESO ISS AMBI TAU0 START 0.005669
HIERARCH ESO ISS AMBI TAU0 END 0.005669
HIERARCH ESO ISS AMBI TEMP 14.14
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.82