Exposure
ID
MATIS.2025-01-30T02:34:49.371_1
Header ID
MATIS.2025-01-30T02:34:49.371
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-30 02:40:48 UTC+0000
UTC Start
2025-01-30 02:34:49.371
UTC End
2025-01-30 02:35:49.379
MJD Start
60705.10751587
MJD End
60705.10821040704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006961
Ambient temperature (°C)
15.06
Seeing (arcsec)
0.615
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 16.7410 16.7790 100.6000 100.8000
A0-D0 31.8270 31.8310 31.8000 32.0000
A0-C1 17.9560 17.9820 67.2170 67.4740
B2-D0 30.1300 30.1300 0.6000 0.8000
B2-C1 10.0340 10.0340 0.5820 0.7430
D0-C1 20.0960 20.0960 180.6340 180.7950
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 60705.10751587
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 16.741
HIERARCH ESO ISS PBL12 END 16.779
HIERARCH ESO ISS PBLA12 START 100.6
HIERARCH ESO ISS PBLA12 END 100.8
HIERARCH ESO ISS PBL13 START 31.827
HIERARCH ESO ISS PBL13 END 31.831
HIERARCH ESO ISS PBLA13 START 31.8
HIERARCH ESO ISS PBLA13 END 32.0
HIERARCH ESO ISS PBL14 START 17.956
HIERARCH ESO ISS PBL14 END 17.982
HIERARCH ESO ISS PBLA14 START 67.217
HIERARCH ESO ISS PBLA14 END 67.474
HIERARCH ESO ISS PBL23 START 30.13
HIERARCH ESO ISS PBL23 END 30.13
HIERARCH ESO ISS PBLA23 START 0.6
HIERARCH ESO ISS PBLA23 END 0.8
HIERARCH ESO ISS PBL24 START 10.034
HIERARCH ESO ISS PBL24 END 10.034
HIERARCH ESO ISS PBLA24 START 0.582
HIERARCH ESO ISS PBLA24 END 0.743
HIERARCH ESO ISS PBL34 START 20.096
HIERARCH ESO ISS PBL34 END 20.096
HIERARCH ESO ISS PBLA34 START 180.634
HIERARCH ESO ISS PBLA34 END 180.795
HIERARCH ESO ISS AMBI TAU0 START 0.006623
HIERARCH ESO ISS AMBI TAU0 END 0.007299
HIERARCH ESO ISS AMBI TEMP 15.06
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.59