Exposure
ID
MATIS.2025-01-30T08:19:30.248_1
Header ID
MATIS.2025-01-30T08:19:30.248
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-30 08:31:01 UTC+0000
UTC Start
2025-01-30 08:19:30.248
UTC End
2025-01-30 08:20:30.256
MJD Start
60705.34687787
MJD End
60705.34757240704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004641
Ambient temperature (°C)
12.71
Seeing (arcsec)
1.47
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 23.7060 23.7110 162.8000 163.0000
A0-D0 28.0800 28.0500 108.8000 109.1000
A0-C1 22.6100 22.6110 143.2360 143.4640
B2-D0 23.7980 23.7580 55.2000 55.4000
B2-C1 7.9270 7.9130 55.1820 55.3450
D0-C1 15.8710 15.8440 235.2720 235.4360
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 60705.34687787
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 23.706
HIERARCH ESO ISS PBL12 END 23.711
HIERARCH ESO ISS PBLA12 START 162.8
HIERARCH ESO ISS PBLA12 END 163.0
HIERARCH ESO ISS PBL13 START 28.08
HIERARCH ESO ISS PBL13 END 28.05
HIERARCH ESO ISS PBLA13 START 108.8
HIERARCH ESO ISS PBLA13 END 109.1
HIERARCH ESO ISS PBL14 START 22.61
HIERARCH ESO ISS PBL14 END 22.611
HIERARCH ESO ISS PBLA14 START 143.236
HIERARCH ESO ISS PBLA14 END 143.464
HIERARCH ESO ISS PBL23 START 23.798
HIERARCH ESO ISS PBL23 END 23.758
HIERARCH ESO ISS PBLA23 START 55.2
HIERARCH ESO ISS PBLA23 END 55.4
HIERARCH ESO ISS PBL24 START 7.927
HIERARCH ESO ISS PBL24 END 7.913
HIERARCH ESO ISS PBLA24 START 55.182
HIERARCH ESO ISS PBLA24 END 55.345
HIERARCH ESO ISS PBL34 START 15.871
HIERARCH ESO ISS PBL34 END 15.844
HIERARCH ESO ISS PBLA34 START 235.272
HIERARCH ESO ISS PBLA34 END 235.436
HIERARCH ESO ISS AMBI TAU0 START 0.004237
HIERARCH ESO ISS AMBI TAU0 END 0.005045
HIERARCH ESO ISS AMBI TEMP 12.71
HIERARCH ESO ISS AMBI FWHM START 1.65
HIERARCH ESO ISS AMBI FWHM END 1.29