Exposure
ID
MATIS.2025-03-08T06:13:11.746_1
Header ID
MATIS.2025-03-08T06:13:11.746
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 06:20:50 UTC+0000
UTC Start
2025-03-08 06:13:11.746
UTC End
2025-03-08 06:14:11.754
MJD Start
60742.25916373
MJD End
60742.25985826704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005467
Ambient temperature (°C)
13.21
Seeing (arcsec)
0.735
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 23.7950 23.7990 166.3000 166.4000
A0-D0 27.5110 27.4800 113.6000 113.8000
A0-C1 22.6220 22.6220 147.4620 147.6830
B2-D0 23.0050 22.9620 58.2000 58.4000
B2-C1 7.6630 7.6480 58.1820 58.3370
D0-C1 15.3430 15.3140 238.2760 238.4310
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 60742.25916373
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 23.795
HIERARCH ESO ISS PBL12 END 23.799
HIERARCH ESO ISS PBLA12 START 166.3
HIERARCH ESO ISS PBLA12 END 166.4
HIERARCH ESO ISS PBL13 START 27.511
HIERARCH ESO ISS PBL13 END 27.48
HIERARCH ESO ISS PBLA13 START 113.6
HIERARCH ESO ISS PBLA13 END 113.8
HIERARCH ESO ISS PBL14 START 22.622
HIERARCH ESO ISS PBL14 END 22.622
HIERARCH ESO ISS PBLA14 START 147.462
HIERARCH ESO ISS PBLA14 END 147.683
HIERARCH ESO ISS PBL23 START 23.005
HIERARCH ESO ISS PBL23 END 22.962
HIERARCH ESO ISS PBLA23 START 58.2
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 7.663
HIERARCH ESO ISS PBL24 END 7.648
HIERARCH ESO ISS PBLA24 START 58.182
HIERARCH ESO ISS PBLA24 END 58.337
HIERARCH ESO ISS PBL34 START 15.343
HIERARCH ESO ISS PBL34 END 15.314
HIERARCH ESO ISS PBLA34 START 238.276
HIERARCH ESO ISS PBLA34 END 238.431
HIERARCH ESO ISS AMBI TAU0 START 0.005467
HIERARCH ESO ISS AMBI TAU0 END 0.005467
HIERARCH ESO ISS AMBI TEMP 13.21
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.75