Exposure
ID
MATIS.2025-01-30T08:09:45.289_1
Header ID
MATIS.2025-01-30T08:09:45.289
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-30 08:20:49 UTC+0000
UTC Start
2025-01-30 08:09:45.289
UTC End
2025-01-30 08:10:45.297
MJD Start
60705.34010751
MJD End
60705.34080204704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003922999999999999
Ambient temperature (°C)
12.79
Seeing (arcsec)
1.795
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 23.6510 23.6570 161.0000 161.2000
A0-D0 28.3620 28.3330 106.5000 106.7000
A0-C1 22.5990 22.6010 141.1080 141.3250
B2-D0 24.1810 24.1420 53.7000 53.9000
B2-C1 8.0540 8.0410 53.6720 53.8250
D0-C1 16.1270 16.1010 233.7610 233.9140
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 60705.34010751
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 23.651
HIERARCH ESO ISS PBL12 END 23.657
HIERARCH ESO ISS PBLA12 START 161.0
HIERARCH ESO ISS PBLA12 END 161.2
HIERARCH ESO ISS PBL13 START 28.362
HIERARCH ESO ISS PBL13 END 28.333
HIERARCH ESO ISS PBLA13 START 106.5
HIERARCH ESO ISS PBLA13 END 106.7
HIERARCH ESO ISS PBL14 START 22.599
HIERARCH ESO ISS PBL14 END 22.601
HIERARCH ESO ISS PBLA14 START 141.108
HIERARCH ESO ISS PBLA14 END 141.325
HIERARCH ESO ISS PBL23 START 24.181
HIERARCH ESO ISS PBL23 END 24.142
HIERARCH ESO ISS PBLA23 START 53.7
HIERARCH ESO ISS PBLA23 END 53.9
HIERARCH ESO ISS PBL24 START 8.054
HIERARCH ESO ISS PBL24 END 8.041
HIERARCH ESO ISS PBLA24 START 53.672
HIERARCH ESO ISS PBLA24 END 53.825
HIERARCH ESO ISS PBL34 START 16.127
HIERARCH ESO ISS PBL34 END 16.101
HIERARCH ESO ISS PBLA34 START 233.761
HIERARCH ESO ISS PBLA34 END 233.914
HIERARCH ESO ISS AMBI TAU0 START 0.003828
HIERARCH ESO ISS AMBI TAU0 END 0.004018
HIERARCH ESO ISS AMBI TEMP 12.79
HIERARCH ESO ISS AMBI FWHM START 1.84
HIERARCH ESO ISS AMBI FWHM END 1.75