Exposure
ID
MATIS.2025-03-08T06:13:11.284_1
Header ID
MATIS.2025-03-08T06:13:11.284
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 06:13:11.284
UTC End
2025-03-08 06:14:11.344
MJD Start
60742.25915838
MJD End
60742.25985351889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.005467
Ambient temperature (°C)
13.21
Seeing (arcsec)
0.735
Observation
ID
63559
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
SI_PHOT_LM_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 166.2000 166.4000
A0-D0 27.5120 27.4810 113.6000 113.8000
A0-C1 22.6220 22.6220 147.4540 147.6840
B2-D0 23.0060 22.9630 58.2000 58.4000
B2-C1 7.6630 7.6490 58.1750 58.3390
D0-C1 15.3430 15.3140 238.2690 238.4330
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 60742.25915838
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME l_Car
RA 146.309115
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0751997
HIERARCH ESO DET SEQ1 PERIOD 0.182
HIERARCH ESO DET NDIT 330
HIERARCH ESO ISS PBL12 START 23.795
HIERARCH ESO ISS PBL12 END 23.799
HIERARCH ESO ISS PBLA12 START 166.2
HIERARCH ESO ISS PBLA12 END 166.4
HIERARCH ESO ISS PBL13 START 27.512
HIERARCH ESO ISS PBL13 END 27.481
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 147.454
HIERARCH ESO ISS PBLA14 END 147.684
HIERARCH ESO ISS PBL23 START 23.006
HIERARCH ESO ISS PBL23 END 22.963
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 7.649
HIERARCH ESO ISS PBLA24 START 58.175
HIERARCH ESO ISS PBLA24 END 58.339
HIERARCH ESO ISS PBL34 START 15.343
HIERARCH ESO ISS PBL34 END 15.314
HIERARCH ESO ISS PBLA34 START 238.269
HIERARCH ESO ISS PBLA34 END 238.433
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