Exposure
ID
MATIS.2025-03-08T05:27:20.876_1
Header ID
MATIS.2025-03-08T05:27:20.876
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 05:35:43 UTC+0000
UTC Start
2025-03-08 05:27:20.876
UTC End
2025-03-08 05:28:20.936
MJD Start
60742.22732495
MJD End
60742.228020088885
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0069645
Ambient temperature (°C)
13.36
Seeing (arcsec)
0.76
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 23.5420 23.5490 157.9000 158.1000
A0-D0 28.8360 28.8080 102.5000 102.7000
A0-C1 22.5700 22.5720 137.4210 137.6370
B2-D0 24.8140 24.7780 51.1000 51.3000
B2-C1 8.2650 8.2530 51.0440 51.1990
D0-C1 16.5490 16.5250 231.1310 231.2860
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 60742.22732495
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 0.156
HIERARCH ESO DET NDIT 385
HIERARCH ESO ISS PBL12 START 23.542
HIERARCH ESO ISS PBL12 END 23.549
HIERARCH ESO ISS PBLA12 START 157.9
HIERARCH ESO ISS PBLA12 END 158.1
HIERARCH ESO ISS PBL13 START 28.836
HIERARCH ESO ISS PBL13 END 28.808
HIERARCH ESO ISS PBLA13 START 102.5
HIERARCH ESO ISS PBLA13 END 102.7
HIERARCH ESO ISS PBL14 START 22.57
HIERARCH ESO ISS PBL14 END 22.572
HIERARCH ESO ISS PBLA14 START 137.421
HIERARCH ESO ISS PBLA14 END 137.637
HIERARCH ESO ISS PBL23 START 24.814
HIERARCH ESO ISS PBL23 END 24.778
HIERARCH ESO ISS PBLA23 START 51.1
HIERARCH ESO ISS PBLA23 END 51.3
HIERARCH ESO ISS PBL24 START 8.265
HIERARCH ESO ISS PBL24 END 8.253
HIERARCH ESO ISS PBLA24 START 51.044
HIERARCH ESO ISS PBLA24 END 51.199
HIERARCH ESO ISS PBL34 START 16.549
HIERARCH ESO ISS PBL34 END 16.525
HIERARCH ESO ISS PBLA34 START 231.131
HIERARCH ESO ISS PBLA34 END 231.286
HIERARCH ESO ISS AMBI TAU0 START 0.007026
HIERARCH ESO ISS AMBI TAU0 END 0.006903
HIERARCH ESO ISS AMBI TEMP 13.36
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.79