Exposure
ID
MATIS.2025-01-23T06:05:08.464_1
Header ID
MATIS.2025-01-23T06:05:08.464
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 06:05:08.464
UTC End
2025-01-23 06:06:08.472
MJD Start
60698.25357019
MJD End
60698.25426472704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0137465
Ambient temperature (°C)
13.91
Seeing (arcsec)
0.43000000000000005
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 68.2950 68.3000 268.8000 269.0000
K0-D0 94.4250 94.3910 252.4000 252.7000
K0-J3 46.9280 46.9640 325.2590 325.4170
G2-D0 34.6960 34.6710 218.8000 219.0000
G2-J3 57.6730 57.6300 46.0690 46.2510
D0-J3 92.1960 92.1270 43.3430 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 60698.25357019
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 68.295
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 46.928
HIERARCH ESO ISS PBL14 END 46.964
HIERARCH ESO ISS PBLA14 START 325.259
HIERARCH ESO ISS PBLA14 END 325.417
HIERARCH ESO ISS PBL23 START 34.696
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 57.673
HIERARCH ESO ISS PBL24 END 57.63
HIERARCH ESO ISS PBLA24 START 46.069
HIERARCH ESO ISS PBLA24 END 46.251
HIERARCH ESO ISS PBL34 START 92.196
HIERARCH ESO ISS PBL34 END 92.127
HIERARCH ESO ISS PBLA34 START 43.343
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