Exposure
ID
MATIS.2025-03-05T04:10:32.555_1
Header ID
MATIS.2025-03-05T04:10:32.555
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-05 04:21:03 UTC+0000
UTC Start
2025-03-05 04:10:32.555
UTC End
2025-03-05 04:11:32.615
MJD Start
60739.1739879
MJD End
60739.17468303889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0066685
Ambient temperature (°C)
14.7
Seeing (arcsec)
0.655
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 22.6280 22.6420 142.1000 142.3000
A0-D0 30.8310 30.8140 82.5000 82.8000
A0-C1 22.1330 22.1420 118.5300 118.7470
B2-D0 27.4870 27.4630 37.3000 37.5000
B2-C1 9.1550 9.1470 37.2940 37.4560
D0-C1 18.3330 18.3160 217.3700 217.5320
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 60739.1739879
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 22.628
HIERARCH ESO ISS PBL12 END 22.642
HIERARCH ESO ISS PBLA12 START 142.1
HIERARCH ESO ISS PBLA12 END 142.3
HIERARCH ESO ISS PBL13 START 30.831
HIERARCH ESO ISS PBL13 END 30.814
HIERARCH ESO ISS PBLA13 START 82.5
HIERARCH ESO ISS PBLA13 END 82.8
HIERARCH ESO ISS PBL14 START 22.133
HIERARCH ESO ISS PBL14 END 22.142
HIERARCH ESO ISS PBLA14 START 118.53
HIERARCH ESO ISS PBLA14 END 118.747
HIERARCH ESO ISS PBL23 START 27.487
HIERARCH ESO ISS PBL23 END 27.463
HIERARCH ESO ISS PBLA23 START 37.3
HIERARCH ESO ISS PBLA23 END 37.5
HIERARCH ESO ISS PBL24 START 9.155
HIERARCH ESO ISS PBL24 END 9.147
HIERARCH ESO ISS PBLA24 START 37.294
HIERARCH ESO ISS PBLA24 END 37.456
HIERARCH ESO ISS PBL34 START 18.333
HIERARCH ESO ISS PBL34 END 18.316
HIERARCH ESO ISS PBLA34 START 217.37
HIERARCH ESO ISS PBLA34 END 217.532
HIERARCH ESO ISS AMBI TAU0 START 0.006416
HIERARCH ESO ISS AMBI TAU0 END 0.006921
HIERARCH ESO ISS AMBI TEMP 14.7
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.65