Exposure
ID
MATIS.2025-03-08T05:59:43.930_1
Header ID
MATIS.2025-03-08T05:59:43.930
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 06:05:49 UTC+0000
UTC Start
2025-03-08 05:59:43.930
UTC End
2025-03-08 06:00:43.990
MJD Start
60742.249814
MJD End
60742.25050913889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.005138500000000001
Ambient temperature (°C)
13.3
Seeing (arcsec)
0.875
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 23.7340 23.7390 163.8000 164.0000
A0-D0 27.9130 27.8840 110.2000 110.5000
A0-C1 22.6150 22.6160 144.4920 144.7120
B2-D0 23.5670 23.5260 56.1000 56.3000
B2-C1 7.8500 7.8360 56.0790 56.2350
D0-C1 15.7170 15.6900 236.1700 236.3270
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 60742.249814
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 23.734
HIERARCH ESO ISS PBL12 END 23.739
HIERARCH ESO ISS PBLA12 START 163.8
HIERARCH ESO ISS PBLA12 END 164.0
HIERARCH ESO ISS PBL13 START 27.913
HIERARCH ESO ISS PBL13 END 27.884
HIERARCH ESO ISS PBLA13 START 110.2
HIERARCH ESO ISS PBLA13 END 110.5
HIERARCH ESO ISS PBL14 START 22.615
HIERARCH ESO ISS PBL14 END 22.616
HIERARCH ESO ISS PBLA14 START 144.492
HIERARCH ESO ISS PBLA14 END 144.712
HIERARCH ESO ISS PBL23 START 23.567
HIERARCH ESO ISS PBL23 END 23.526
HIERARCH ESO ISS PBLA23 START 56.1
HIERARCH ESO ISS PBLA23 END 56.3
HIERARCH ESO ISS PBL24 START 7.85
HIERARCH ESO ISS PBL24 END 7.836
HIERARCH ESO ISS PBLA24 START 56.079
HIERARCH ESO ISS PBLA24 END 56.235
HIERARCH ESO ISS PBL34 START 15.717
HIERARCH ESO ISS PBL34 END 15.69
HIERARCH ESO ISS PBLA34 START 236.17
HIERARCH ESO ISS PBLA34 END 236.327
HIERARCH ESO ISS AMBI TAU0 START 0.005218
HIERARCH ESO ISS AMBI TAU0 END 0.005059
HIERARCH ESO ISS AMBI TEMP 13.3
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.92