Exposure
ID
MATIS.2025-03-08T05:13:53.656_1
Header ID
MATIS.2025-03-08T05:13:53.656
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 05:20:45 UTC+0000
UTC Start
2025-03-08 05:13:53.656
UTC End
2025-03-08 05:14:53.716
MJD Start
60742.21798213
MJD End
60742.21867726889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.005818
Ambient temperature (°C)
13.41
Seeing (arcsec)
0.835
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 23.4420 23.4500 155.5000 155.7000
A0-D0 29.1950 29.1680 99.4000 99.6000
A0-C1 22.5370 22.5400 134.5120 134.7360
B2-D0 25.2900 25.2550 49.0000 49.2000
B2-C1 8.4230 8.4120 48.9590 49.1220
D0-C1 16.8660 16.8430 229.0440 229.2060
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 60742.21798213
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 23.442
HIERARCH ESO ISS PBL12 END 23.45
HIERARCH ESO ISS PBLA12 START 155.5
HIERARCH ESO ISS PBLA12 END 155.7
HIERARCH ESO ISS PBL13 START 29.195
HIERARCH ESO ISS PBL13 END 29.168
HIERARCH ESO ISS PBLA13 START 99.4
HIERARCH ESO ISS PBLA13 END 99.6
HIERARCH ESO ISS PBL14 START 22.537
HIERARCH ESO ISS PBL14 END 22.54
HIERARCH ESO ISS PBLA14 START 134.512
HIERARCH ESO ISS PBLA14 END 134.736
HIERARCH ESO ISS PBL23 START 25.29
HIERARCH ESO ISS PBL23 END 25.255
HIERARCH ESO ISS PBLA23 START 49.0
HIERARCH ESO ISS PBLA23 END 49.2
HIERARCH ESO ISS PBL24 START 8.423
HIERARCH ESO ISS PBL24 END 8.412
HIERARCH ESO ISS PBLA24 START 48.959
HIERARCH ESO ISS PBLA24 END 49.122
HIERARCH ESO ISS PBL34 START 16.866
HIERARCH ESO ISS PBL34 END 16.843
HIERARCH ESO ISS PBLA34 START 229.044
HIERARCH ESO ISS PBLA34 END 229.206
HIERARCH ESO ISS AMBI TAU0 START 0.005818
HIERARCH ESO ISS AMBI TAU0 END 0.005818
HIERARCH ESO ISS AMBI TEMP 13.41
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.81