Exposure
ID
MATIS.2025-01-29T03:38:51.221_1
Header ID
MATIS.2025-01-29T03:38:51.221
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-29 03:45:41 UTC+0000
UTC Start
2025-01-29 03:38:51.221
UTC End
2025-01-29 03:39:51.229
MJD Start
60704.15198173
MJD End
60704.15267626704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.008075
Ambient temperature (°C)
17.5
Seeing (arcsec)
0.65
Observation
ID
63560
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 18.8190 18.8520 112.0000 112.2000
A0-D0 31.9900 31.9910 45.6000 45.8000
A0-C1 19.4310 19.4550 81.8510 82.0890
B2-D0 29.9480 29.9420 10.4000 10.5000
B2-C1 9.9730 9.9710 10.3410 10.5060
D0-C1 19.9740 19.9700 190.4000 190.5650
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 60704.15198173
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME l_Car
RA 146.309115
DEC -62.50784
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN 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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 18.819
HIERARCH ESO ISS PBL12 END 18.852
HIERARCH ESO ISS PBLA12 START 112.0
HIERARCH ESO ISS PBLA12 END 112.2
HIERARCH ESO ISS PBL13 START 31.99
HIERARCH ESO ISS PBL13 END 31.991
HIERARCH ESO ISS PBLA13 START 45.6
HIERARCH ESO ISS PBLA13 END 45.8
HIERARCH ESO ISS PBL14 START 19.431
HIERARCH ESO ISS PBL14 END 19.455
HIERARCH ESO ISS PBLA14 START 81.851
HIERARCH ESO ISS PBLA14 END 82.089
HIERARCH ESO ISS PBL23 START 29.948
HIERARCH ESO ISS PBL23 END 29.942
HIERARCH ESO ISS PBLA23 START 10.4
HIERARCH ESO ISS PBLA23 END 10.5
HIERARCH ESO ISS PBL24 START 9.973
HIERARCH ESO ISS PBL24 END 9.971
HIERARCH ESO ISS PBLA24 START 10.341
HIERARCH ESO ISS PBLA24 END 10.506
HIERARCH ESO ISS PBL34 START 19.974
HIERARCH ESO ISS PBL34 END 19.97
HIERARCH ESO ISS PBLA34 START 190.4
HIERARCH ESO ISS PBLA34 END 190.565
HIERARCH ESO ISS AMBI TAU0 START 0.008075
HIERARCH ESO ISS AMBI TAU0 END 0.008075
HIERARCH ESO ISS AMBI TEMP 17.5
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65