Exposure
ID
MATIS.2025-01-31T00:58:43.326_1
Header ID
MATIS.2025-01-31T00:58:43.326
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-31 01:05:34 UTC+0000
UTC Start
2025-01-31 00:58:43.326
UTC End
2025-01-31 00:59:43.334
MJD Start
60706.04077924
MJD End
60706.04147377704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0071424999999999995
Ambient temperature (°C)
16.56
Seeing (arcsec)
0.735
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 12.9790 13.0230 80.1000 80.4000
A0-D0 31.5380 31.5400 9.9000 10.1000
A0-C1 15.7020 15.7240 41.1040 41.4240
B2-D0 29.7760 29.7840 345.7000 345.8000
B2-C1 9.9150 9.9180 345.6230 345.7890
D0-C1 19.8610 19.8660 165.6640 165.8300
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 60706.04077924
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 12.979
HIERARCH ESO ISS PBL12 END 13.023
HIERARCH ESO ISS PBLA12 START 80.1
HIERARCH ESO ISS PBLA12 END 80.4
HIERARCH ESO ISS PBL13 START 31.538
HIERARCH ESO ISS PBL13 END 31.54
HIERARCH ESO ISS PBLA13 START 9.9
HIERARCH ESO ISS PBLA13 END 10.1
HIERARCH ESO ISS PBL14 START 15.702
HIERARCH ESO ISS PBL14 END 15.724
HIERARCH ESO ISS PBLA14 START 41.104
HIERARCH ESO ISS PBLA14 END 41.424
HIERARCH ESO ISS PBL23 START 29.776
HIERARCH ESO ISS PBL23 END 29.784
HIERARCH ESO ISS PBLA23 START 345.7
HIERARCH ESO ISS PBLA23 END 345.8
HIERARCH ESO ISS PBL24 START 9.915
HIERARCH ESO ISS PBL24 END 9.918
HIERARCH ESO ISS PBLA24 START 345.623
HIERARCH ESO ISS PBLA24 END 345.789
HIERARCH ESO ISS PBL34 START 19.861
HIERARCH ESO ISS PBL34 END 19.866
HIERARCH ESO ISS PBLA34 START 165.664
HIERARCH ESO ISS PBLA34 END 165.83
HIERARCH ESO ISS AMBI TAU0 START 0.007643
HIERARCH ESO ISS AMBI TAU0 END 0.006642
HIERARCH ESO ISS AMBI TEMP 16.56
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.78