Exposure
ID
MATIS.2025-01-30T03:16:56.323_1
Header ID
MATIS.2025-01-30T03:16:56.323
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-30 03:25:38 UTC+0000
UTC Start
2025-01-30 03:16:56.323
UTC End
2025-01-30 03:17:56.331
MJD Start
60705.136763
MJD End
60705.13745753704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.008544
Ambient temperature (°C)
16.29
Seeing (arcsec)
0.49
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 18.2360 18.2700 108.7000 108.9000
A0-D0 31.9560 31.9590 41.5000 41.7000
A0-C1 19.0070 19.0310 77.6210 77.8680
B2-D0 30.0370 30.0330 7.5000 7.6000
B2-C1 10.0030 10.0020 7.4230 7.5930
D0-C1 20.0340 20.0310 187.4800 187.6500
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 60705.136763
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 18.236
HIERARCH ESO ISS PBL12 END 18.27
HIERARCH ESO ISS PBLA12 START 108.7
HIERARCH ESO ISS PBLA12 END 108.9
HIERARCH ESO ISS PBL13 START 31.956
HIERARCH ESO ISS PBL13 END 31.959
HIERARCH ESO ISS PBLA13 START 41.5
HIERARCH ESO ISS PBLA13 END 41.7
HIERARCH ESO ISS PBL14 START 19.007
HIERARCH ESO ISS PBL14 END 19.031
HIERARCH ESO ISS PBLA14 START 77.621
HIERARCH ESO ISS PBLA14 END 77.868
HIERARCH ESO ISS PBL23 START 30.037
HIERARCH ESO ISS PBL23 END 30.033
HIERARCH ESO ISS PBLA23 START 7.5
HIERARCH ESO ISS PBLA23 END 7.6
HIERARCH ESO ISS PBL24 START 10.003
HIERARCH ESO ISS PBL24 END 10.002
HIERARCH ESO ISS PBLA24 START 7.423
HIERARCH ESO ISS PBLA24 END 7.593
HIERARCH ESO ISS PBL34 START 20.034
HIERARCH ESO ISS PBL34 END 20.031
HIERARCH ESO ISS PBLA34 START 187.48
HIERARCH ESO ISS PBLA34 END 187.65
HIERARCH ESO ISS AMBI TAU0 START 0.008544
HIERARCH ESO ISS AMBI TAU0 END 0.008544
HIERARCH ESO ISS AMBI TEMP 16.29
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49