Exposure
ID
MATIS.2025-03-08T06:08:12.300_1
Header ID
MATIS.2025-03-08T06:08:12.300
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 06:15:50 UTC+0000
UTC Start
2025-03-08 06:08:12.300
UTC End
2025-03-08 06:09:12.360
MJD Start
60742.25569792
MJD End
60742.25639305889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0056685
Ambient temperature (°C)
13.3
Seeing (arcsec)
0.7749999999999999
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 23.7730 23.7780 165.3000 165.5000
A0-D0 27.6610 27.6310 112.3000 112.6000
A0-C1 22.6200 22.6200 146.3570 146.5770
B2-D0 23.2170 23.1740 57.5000 57.6000
B2-C1 7.7330 7.7190 57.4000 57.5540
D0-C1 15.4840 15.4550 237.4930 237.6470
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 60742.25569792
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 0.182
HIERARCH ESO DET NDIT 330
HIERARCH ESO ISS PBL12 START 23.773
HIERARCH ESO ISS PBL12 END 23.778
HIERARCH ESO ISS PBLA12 START 165.3
HIERARCH ESO ISS PBLA12 END 165.5
HIERARCH ESO ISS PBL13 START 27.661
HIERARCH ESO ISS PBL13 END 27.631
HIERARCH ESO ISS PBLA13 START 112.3
HIERARCH ESO ISS PBLA13 END 112.6
HIERARCH ESO ISS PBL14 START 22.62
HIERARCH ESO ISS PBL14 END 22.62
HIERARCH ESO ISS PBLA14 START 146.357
HIERARCH ESO ISS PBLA14 END 146.577
HIERARCH ESO ISS PBL23 START 23.217
HIERARCH ESO ISS PBL23 END 23.174
HIERARCH ESO ISS PBLA23 START 57.5
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 7.733
HIERARCH ESO ISS PBL24 END 7.719
HIERARCH ESO ISS PBLA24 START 57.4
HIERARCH ESO ISS PBLA24 END 57.554
HIERARCH ESO ISS PBL34 START 15.484
HIERARCH ESO ISS PBL34 END 15.455
HIERARCH ESO ISS PBLA34 START 237.493
HIERARCH ESO ISS PBLA34 END 237.647
HIERARCH ESO ISS AMBI TAU0 START 0.00621
HIERARCH ESO ISS AMBI TAU0 END 0.005127
HIERARCH ESO ISS AMBI TEMP 13.3
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.82