Exposure
ID
MATIS.2025-03-05T04:09:09.915_1
Header ID
MATIS.2025-03-05T04:09:09.915
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 04:09:09.915
UTC End
2025-03-05 04:10:09.975
MJD Start
60739.17303142
MJD End
60739.17372655889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.006416
Ambient temperature (°C)
14.71
Seeing (arcsec)
0.66
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 22.6090 22.6230 141.9000 142.0000
A0-D0 30.8540 30.8370 82.2000 82.5000
A0-C1 22.1220 22.1300 118.2410 118.4520
B2-D0 27.5210 27.4960 37.1000 37.3000
B2-C1 9.1660 9.1580 37.0810 37.2370
D0-C1 18.3550 18.3390 217.1560 217.3120
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 60739.17303142
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 22.609
HIERARCH ESO ISS PBL12 END 22.623
HIERARCH ESO ISS PBLA12 START 141.9
HIERARCH ESO ISS PBLA12 END 142.0
HIERARCH ESO ISS PBL13 START 30.854
HIERARCH ESO ISS PBL13 END 30.837
HIERARCH ESO ISS PBLA13 START 82.2
HIERARCH ESO ISS PBLA13 END 82.5
HIERARCH ESO ISS PBL14 START 22.122
HIERARCH ESO ISS PBL14 END 22.13
HIERARCH ESO ISS PBLA14 START 118.241
HIERARCH ESO ISS PBLA14 END 118.452
HIERARCH ESO ISS PBL23 START 27.521
HIERARCH ESO ISS PBL23 END 27.496
HIERARCH ESO ISS PBLA23 START 37.1
HIERARCH ESO ISS PBLA23 END 37.3
HIERARCH ESO ISS PBL24 START 9.166
HIERARCH ESO ISS PBL24 END 9.158
HIERARCH ESO ISS PBLA24 START 37.081
HIERARCH ESO ISS PBLA24 END 37.237
HIERARCH ESO ISS PBL34 START 18.355
HIERARCH ESO ISS PBL34 END 18.339
HIERARCH ESO ISS PBLA34 START 217.156
HIERARCH ESO ISS PBLA34 END 217.312
HIERARCH ESO ISS AMBI TAU0 START 0.006416
HIERARCH ESO ISS AMBI TAU0 END 0.006416
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66