Exposure
ID
MATIS.2025-01-30T02:26:37.095_1
Header ID
MATIS.2025-01-30T02:26:37.095
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-30 02:35:40 UTC+0000
UTC Start
2025-01-30 02:26:37.095
UTC End
2025-01-30 02:27:37.155
MJD Start
60705.10181823
MJD End
60705.10251336889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0054855
Ambient temperature (°C)
15.16
Seeing (arcsec)
0.78
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 16.4300 16.4680 99.0000 99.2000
A0-D0 31.7980 31.8010 29.9000 30.1000
A0-C1 17.7470 17.7720 65.0950 65.3560
B2-D0 30.1300 30.1300 359.3000 359.4000
B2-C1 10.0340 10.0340 359.2480 359.4100
D0-C1 20.0960 20.0960 179.2990 179.4620
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 60705.10181823
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 16.43
HIERARCH ESO ISS PBL12 END 16.468
HIERARCH ESO ISS PBLA12 START 99.0
HIERARCH ESO ISS PBLA12 END 99.2
HIERARCH ESO ISS PBL13 START 31.798
HIERARCH ESO ISS PBL13 END 31.801
HIERARCH ESO ISS PBLA13 START 29.9
HIERARCH ESO ISS PBLA13 END 30.1
HIERARCH ESO ISS PBL14 START 17.747
HIERARCH ESO ISS PBL14 END 17.772
HIERARCH ESO ISS PBLA14 START 65.095
HIERARCH ESO ISS PBLA14 END 65.356
HIERARCH ESO ISS PBL23 START 30.13
HIERARCH ESO ISS PBL23 END 30.13
HIERARCH ESO ISS PBLA23 START 359.3
HIERARCH ESO ISS PBLA23 END 359.4
HIERARCH ESO ISS PBL24 START 10.034
HIERARCH ESO ISS PBL24 END 10.034
HIERARCH ESO ISS PBLA24 START 359.248
HIERARCH ESO ISS PBLA24 END 359.41
HIERARCH ESO ISS PBL34 START 20.096
HIERARCH ESO ISS PBL34 END 20.096
HIERARCH ESO ISS PBLA34 START 179.299
HIERARCH ESO ISS PBLA34 END 179.462
HIERARCH ESO ISS AMBI TAU0 START 0.005521
HIERARCH ESO ISS AMBI TAU0 END 0.00545
HIERARCH ESO ISS AMBI TEMP 15.16
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.79