Exposure
ID
MATIS.2025-03-05T04:15:12.479_1
Header ID
MATIS.2025-03-05T04:15:12.479
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 04:15:12.479
UTC End
2025-03-05 04:16:12.487
MJD Start
60739.17722777
MJD End
60739.17792230704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0052794999999999995
Ambient temperature (°C)
14.68
Seeing (arcsec)
0.8
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 22.6920 22.7060 142.9000 143.1000
A0-D0 30.7500 30.7310 83.6000 83.8000
A0-C1 22.1710 22.1790 119.5140 119.7320
B2-D0 27.3730 27.3470 38.1000 38.2000
B2-C1 9.1170 9.1080 38.0220 38.1830
D0-C1 18.2560 18.2390 218.0980 218.2590
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 60739.17722777
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 22.692
HIERARCH ESO ISS PBL12 END 22.706
HIERARCH ESO ISS PBLA12 START 142.9
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 30.75
HIERARCH ESO ISS PBL13 END 30.731
HIERARCH ESO ISS PBLA13 START 83.6
HIERARCH ESO ISS PBLA13 END 83.8
HIERARCH ESO ISS PBL14 START 22.171
HIERARCH ESO ISS PBL14 END 22.179
HIERARCH ESO ISS PBLA14 START 119.514
HIERARCH ESO ISS PBLA14 END 119.732
HIERARCH ESO ISS PBL23 START 27.373
HIERARCH ESO ISS PBL23 END 27.347
HIERARCH ESO ISS PBLA23 START 38.1
HIERARCH ESO ISS PBLA23 END 38.2
HIERARCH ESO ISS PBL24 START 9.117
HIERARCH ESO ISS PBL24 END 9.108
HIERARCH ESO ISS PBLA24 START 38.022
HIERARCH ESO ISS PBLA24 END 38.183
HIERARCH ESO ISS PBL34 START 18.256
HIERARCH ESO ISS PBL34 END 18.239
HIERARCH ESO ISS PBLA34 START 218.098
HIERARCH ESO ISS PBLA34 END 218.259
HIERARCH ESO ISS AMBI TAU0 START 0.005201
HIERARCH ESO ISS AMBI TAU0 END 0.005358
HIERARCH ESO ISS AMBI TEMP 14.68
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.78