Exposure
ID
MATIS.2025-03-08T06:09:32.767_1
Header ID
MATIS.2025-03-08T06:09:32.767
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 06:15:50 UTC+0000
UTC Start
2025-03-08 06:09:32.767
UTC End
2025-03-08 06:10:32.775
MJD Start
60742.25662925
MJD End
60742.25732378704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0052105
Ambient temperature (°C)
13.25
Seeing (arcsec)
0.725
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 23.7790 23.7840 165.6000 165.8000
A0-D0 27.6210 27.5900 112.7000 112.9000
A0-C1 22.6210 22.6210 146.6510 146.8800
B2-D0 23.1600 23.1170 57.7000 57.8000
B2-C1 7.7140 7.7000 57.6060 57.7700
D0-C1 15.4460 15.4170 237.7000 237.8640
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 60742.25662925
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 23.779
HIERARCH ESO ISS PBL12 END 23.784
HIERARCH ESO ISS PBLA12 START 165.6
HIERARCH ESO ISS PBLA12 END 165.8
HIERARCH ESO ISS PBL13 START 27.621
HIERARCH ESO ISS PBL13 END 27.59
HIERARCH ESO ISS PBLA13 START 112.7
HIERARCH ESO ISS PBLA13 END 112.9
HIERARCH ESO ISS PBL14 START 22.621
HIERARCH ESO ISS PBL14 END 22.621
HIERARCH ESO ISS PBLA14 START 146.651
HIERARCH ESO ISS PBLA14 END 146.88
HIERARCH ESO ISS PBL23 START 23.16
HIERARCH ESO ISS PBL23 END 23.117
HIERARCH ESO ISS PBLA23 START 57.7
HIERARCH ESO ISS PBLA23 END 57.8
HIERARCH ESO ISS PBL24 START 7.714
HIERARCH ESO ISS PBL24 END 7.7
HIERARCH ESO ISS PBLA24 START 57.606
HIERARCH ESO ISS PBLA24 END 57.77
HIERARCH ESO ISS PBL34 START 15.446
HIERARCH ESO ISS PBL34 END 15.417
HIERARCH ESO ISS PBLA34 START 237.7
HIERARCH ESO ISS PBLA34 END 237.864
HIERARCH ESO ISS AMBI TAU0 START 0.004954
HIERARCH ESO ISS AMBI TAU0 END 0.005467
HIERARCH ESO ISS AMBI TEMP 13.25
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.72