Exposure
ID
MATIS.2025-03-05T04:16:24.654_1
Header ID
MATIS.2025-03-05T04:16:24.654
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-05 04:25:52 UTC+0000
UTC Start
2025-03-05 04:16:24.654
UTC End
2025-03-05 04:17:24.662
MJD Start
60739.17806313
MJD End
60739.17875766704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0053100000000000005
Ambient temperature (°C)
14.68
Seeing (arcsec)
0.795
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 22.7080 22.7220 143.1000 143.3000
A0-D0 30.7280 30.7100 83.8000 84.1000
A0-C1 22.1810 22.1890 119.7670 119.9850
B2-D0 27.3430 27.3170 38.3000 38.4000
B2-C1 9.1070 9.0980 38.2090 38.3700
D0-C1 18.2360 18.2190 218.2850 218.4470
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 60739.17806313
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 22.708
HIERARCH ESO ISS PBL12 END 22.722
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.3
HIERARCH ESO ISS PBL13 START 30.728
HIERARCH ESO ISS PBL13 END 30.71
HIERARCH ESO ISS PBLA13 START 83.8
HIERARCH ESO ISS PBLA13 END 84.1
HIERARCH ESO ISS PBL14 START 22.181
HIERARCH ESO ISS PBL14 END 22.189
HIERARCH ESO ISS PBLA14 START 119.767
HIERARCH ESO ISS PBLA14 END 119.985
HIERARCH ESO ISS PBL23 START 27.343
HIERARCH ESO ISS PBL23 END 27.317
HIERARCH ESO ISS PBLA23 START 38.3
HIERARCH ESO ISS PBLA23 END 38.4
HIERARCH ESO ISS PBL24 START 9.107
HIERARCH ESO ISS PBL24 END 9.098
HIERARCH ESO ISS PBLA24 START 38.209
HIERARCH ESO ISS PBLA24 END 38.37
HIERARCH ESO ISS PBL34 START 18.236
HIERARCH ESO ISS PBL34 END 18.219
HIERARCH ESO ISS PBLA34 START 218.285
HIERARCH ESO ISS PBLA34 END 218.447
HIERARCH ESO ISS AMBI TAU0 START 0.005358
HIERARCH ESO ISS AMBI TAU0 END 0.005262
HIERARCH ESO ISS AMBI TEMP 14.68
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.81