Exposure
ID
MATIS.2025-03-05T04:11:53.530_1
Header ID
MATIS.2025-03-05T04:11:53.530
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-05 04:21:03 UTC+0000
UTC Start
2025-03-05 04:11:53.530
UTC End
2025-03-05 04:12:53.538
MJD Start
60739.17492512
MJD End
60739.17561965704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0061790000000000005
Ambient temperature (°C)
14.7
Seeing (arcsec)
0.6950000000000001
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 22.6470 22.6610 142.3000 142.5000
A0-D0 30.8080 30.7900 82.8000 83.1000
A0-C1 22.1450 22.1530 118.8170 119.0290
B2-D0 27.4550 27.4300 37.6000 37.7000
B2-C1 9.1440 9.1360 37.5080 37.6630
D0-C1 18.3110 18.2940 217.5840 217.7390
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 60739.17492512
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 22.647
HIERARCH ESO ISS PBL12 END 22.661
HIERARCH ESO ISS PBLA12 START 142.3
HIERARCH ESO ISS PBLA12 END 142.5
HIERARCH ESO ISS PBL13 START 30.808
HIERARCH ESO ISS PBL13 END 30.79
HIERARCH ESO ISS PBLA13 START 82.8
HIERARCH ESO ISS PBLA13 END 83.1
HIERARCH ESO ISS PBL14 START 22.145
HIERARCH ESO ISS PBL14 END 22.153
HIERARCH ESO ISS PBLA14 START 118.817
HIERARCH ESO ISS PBLA14 END 119.029
HIERARCH ESO ISS PBL23 START 27.455
HIERARCH ESO ISS PBL23 END 27.43
HIERARCH ESO ISS PBLA23 START 37.6
HIERARCH ESO ISS PBLA23 END 37.7
HIERARCH ESO ISS PBL24 START 9.144
HIERARCH ESO ISS PBL24 END 9.136
HIERARCH ESO ISS PBLA24 START 37.508
HIERARCH ESO ISS PBLA24 END 37.663
HIERARCH ESO ISS PBL34 START 18.311
HIERARCH ESO ISS PBL34 END 18.294
HIERARCH ESO ISS PBLA34 START 217.584
HIERARCH ESO ISS PBLA34 END 217.739
HIERARCH ESO ISS AMBI TAU0 START 0.006921
HIERARCH ESO ISS AMBI TAU0 END 0.005437
HIERARCH ESO ISS AMBI TEMP 14.7
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.74