Exposure
ID
MATIS.2025-01-31T01:00:05.134_1
Header ID
MATIS.2025-01-31T01:00:05.134
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 01:00:05.134
UTC End
2025-01-31 01:01:05.194
MJD Start
60706.04172609
MJD End
60706.042421228885
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0070385
Ambient temperature (°C)
16.52
Seeing (arcsec)
0.75
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 13.0380 13.0810 80.5000 80.7000
A0-D0 31.5410 31.5430 10.2000 10.4000
A0-C1 15.7310 15.7530 41.5310 41.8420
B2-D0 29.7870 29.7950 345.9000 346.0000
B2-C1 9.9190 9.9220 345.8440 346.0050
D0-C1 19.8680 19.8730 165.8850 166.0470
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 60706.04172609
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 13.038
HIERARCH ESO ISS PBL12 END 13.081
HIERARCH ESO ISS PBLA12 START 80.5
HIERARCH ESO ISS PBLA12 END 80.7
HIERARCH ESO ISS PBL13 START 31.541
HIERARCH ESO ISS PBL13 END 31.543
HIERARCH ESO ISS PBLA13 START 10.2
HIERARCH ESO ISS PBLA13 END 10.4
HIERARCH ESO ISS PBL14 START 15.731
HIERARCH ESO ISS PBL14 END 15.753
HIERARCH ESO ISS PBLA14 START 41.531
HIERARCH ESO ISS PBLA14 END 41.842
HIERARCH ESO ISS PBL23 START 29.787
HIERARCH ESO ISS PBL23 END 29.795
HIERARCH ESO ISS PBLA23 START 345.9
HIERARCH ESO ISS PBLA23 END 346.0
HIERARCH ESO ISS PBL24 START 9.919
HIERARCH ESO ISS PBL24 END 9.922
HIERARCH ESO ISS PBLA24 START 345.844
HIERARCH ESO ISS PBLA24 END 346.005
HIERARCH ESO ISS PBL34 START 19.868
HIERARCH ESO ISS PBL34 END 19.873
HIERARCH ESO ISS PBLA34 START 165.885
HIERARCH ESO ISS PBLA34 END 166.047
HIERARCH ESO ISS AMBI TAU0 START 0.006642
HIERARCH ESO ISS AMBI TAU0 END 0.007435
HIERARCH ESO ISS AMBI TEMP 16.52
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.72