Exposure
ID
MATIS.2025-01-23T05:59:28.174_1
Header ID
MATIS.2025-01-23T05:59:28.174
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-23 06:10:49 UTC+0000
UTC Start
2025-01-23 05:59:28.174
UTC End
2025-01-23 06:00:28.182
MJD Start
60698.24963164
MJD End
60698.25032617704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0111535
Ambient temperature (°C)
13.87
Seeing (arcsec)
0.545
Observation
ID
63488
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
47308
Name
l_Car
RA
146.311522
DEC
-62.50784
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.2600 68.2670 267.5000 267.7000
K0-D0 94.6060 94.5740 251.2000 251.4000
K0-J3 46.7180 46.7570 324.3540 324.5180
G2-D0 34.8360 34.8110 217.8000 218.0000
G2-J3 57.9070 57.8650 45.0290 45.2180
D0-J3 92.5720 92.5040 42.3270 42.5110
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 60698.24963164
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME l_Car
RA 146.311522
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 68.26
HIERARCH ESO ISS PBL12 END 68.267
HIERARCH ESO ISS PBLA12 START 267.5
HIERARCH ESO ISS PBLA12 END 267.7
HIERARCH ESO ISS PBL13 START 94.606
HIERARCH ESO ISS PBL13 END 94.574
HIERARCH ESO ISS PBLA13 START 251.2
HIERARCH ESO ISS PBLA13 END 251.4
HIERARCH ESO ISS PBL14 START 46.718
HIERARCH ESO ISS PBL14 END 46.757
HIERARCH ESO ISS PBLA14 START 324.354
HIERARCH ESO ISS PBLA14 END 324.518
HIERARCH ESO ISS PBL23 START 34.836
HIERARCH ESO ISS PBL23 END 34.811
HIERARCH ESO ISS PBLA23 START 217.8
HIERARCH ESO ISS PBLA23 END 218.0
HIERARCH ESO ISS PBL24 START 57.907
HIERARCH ESO ISS PBL24 END 57.865
HIERARCH ESO ISS PBLA24 START 45.029
HIERARCH ESO ISS PBLA24 END 45.218
HIERARCH ESO ISS PBL34 START 92.572
HIERARCH ESO ISS PBL34 END 92.504
HIERARCH ESO ISS PBLA34 START 42.327
HIERARCH ESO ISS PBLA34 END 42.511
HIERARCH ESO ISS AMBI TAU0 START 0.011206
HIERARCH ESO ISS AMBI TAU0 END 0.011101
HIERARCH ESO ISS AMBI TEMP 13.87
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.53