Exposure
ID
MATIS.2025-01-23T06:05:08.006_1
Header ID
MATIS.2025-01-23T06:05:08.006
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 06:05:08.006
UTC End
2025-01-23 06:06:08.066
MJD Start
60698.25356488
MJD End
60698.25426001888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0137465
Ambient temperature (°C)
13.91
Seeing (arcsec)
0.43000000000000005
Observation
ID
63487
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.2950 68.3000 268.8000 269.0000
K0-D0 94.4250 94.3910 252.4000 252.7000
K0-J3 46.9270 46.9640 325.2530 325.4180
G2-D0 34.6970 34.6710 218.8000 219.0000
G2-J3 57.6740 57.6310 46.0630 46.2510
D0-J3 92.1970 92.1280 43.3370 43.5210
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 60698.25356488
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME l_Car
RA 146.311522
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0751997
HIERARCH ESO DET SEQ1 PERIOD 0.182
HIERARCH ESO DET NDIT 330
HIERARCH ESO ISS PBL12 START 68.295
HIERARCH ESO ISS PBL12 END 68.3
HIERARCH ESO ISS PBLA12 START 268.8
HIERARCH ESO ISS PBLA12 END 269.0
HIERARCH ESO ISS PBL13 START 94.425
HIERARCH ESO ISS PBL13 END 94.391
HIERARCH ESO ISS PBLA13 START 252.4
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 46.927
HIERARCH ESO ISS PBL14 END 46.964
HIERARCH ESO ISS PBLA14 START 325.253
HIERARCH ESO ISS PBLA14 END 325.418
HIERARCH ESO ISS PBL23 START 34.697
HIERARCH ESO ISS PBL23 END 34.671
HIERARCH ESO ISS PBLA23 START 218.8
HIERARCH ESO ISS PBLA23 END 219.0
HIERARCH ESO ISS PBL24 START 57.674
HIERARCH ESO ISS PBL24 END 57.631
HIERARCH ESO ISS PBLA24 START 46.063
HIERARCH ESO ISS PBLA24 END 46.251
HIERARCH ESO ISS PBL34 START 92.197
HIERARCH ESO ISS PBL34 END 92.128
HIERARCH ESO ISS PBLA34 START 43.337
HIERARCH ESO ISS PBLA34 END 43.521
HIERARCH ESO ISS AMBI TAU0 START 0.013178
HIERARCH ESO ISS AMBI TAU0 END 0.014315
HIERARCH ESO ISS AMBI TEMP 13.91
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.4