Exposure
ID
MATIS.2025-03-05T05:13:33.426_1
Header ID
MATIS.2025-03-05T05:13:33.426
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-05 05:25:44 UTC+0000
UTC Start
2025-03-05 05:13:33.426
UTC End
2025-03-05 05:14:33.434
MJD Start
60739.21774799
MJD End
60739.21844252704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0052395
Ambient temperature (°C)
14.32
Seeing (arcsec)
0.745
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 23.3400 23.3490 153.3000 153.5000
A0-D0 29.5030 29.4770 96.6000 96.8000
A0-C1 22.4990 22.5020 131.9080 132.1240
B2-D0 25.6960 25.6630 47.1000 47.3000
B2-C1 8.5590 8.5480 47.0840 47.2380
D0-C1 17.1380 17.1150 227.1670 227.3220
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 60739.21774799
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 23.34
HIERARCH ESO ISS PBL12 END 23.349
HIERARCH ESO ISS PBLA12 START 153.3
HIERARCH ESO ISS PBLA12 END 153.5
HIERARCH ESO ISS PBL13 START 29.503
HIERARCH ESO ISS PBL13 END 29.477
HIERARCH ESO ISS PBLA13 START 96.6
HIERARCH ESO ISS PBLA13 END 96.8
HIERARCH ESO ISS PBL14 START 22.499
HIERARCH ESO ISS PBL14 END 22.502
HIERARCH ESO ISS PBLA14 START 131.908
HIERARCH ESO ISS PBLA14 END 132.124
HIERARCH ESO ISS PBL23 START 25.696
HIERARCH ESO ISS PBL23 END 25.663
HIERARCH ESO ISS PBLA23 START 47.1
HIERARCH ESO ISS PBLA23 END 47.3
HIERARCH ESO ISS PBL24 START 8.559
HIERARCH ESO ISS PBL24 END 8.548
HIERARCH ESO ISS PBLA24 START 47.084
HIERARCH ESO ISS PBLA24 END 47.238
HIERARCH ESO ISS PBL34 START 17.138
HIERARCH ESO ISS PBL34 END 17.115
HIERARCH ESO ISS PBLA34 START 227.167
HIERARCH ESO ISS PBLA34 END 227.322
HIERARCH ESO ISS AMBI TAU0 START 0.005669
HIERARCH ESO ISS AMBI TAU0 END 0.00481
HIERARCH ESO ISS AMBI TEMP 14.32
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.79