Exposure
ID
MATIS.2025-03-05T04:38:24.554_1
Header ID
MATIS.2025-03-05T04:38:24.554
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2025-03-05 04:38:24 UTC+0000
UTC Start
2025-03-05 04:38:24.554
UTC End
2025-03-05 04:39:24.562
MJD Start
60739.19333975
MJD End
60739.194034287044
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0057335
Ambient temperature (°C)
14.34
Seeing (arcsec)
0.76
Observation
ID
64975
Category
calibrator
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
48386
Name
iot Car
RA
139.270145
DEC
-59.27516
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 23.7440 23.7530 152.7000 152.8000
A0-D0 29.6230 29.5950 93.7000 93.9000
A0-C1 22.5530 22.5560 130.6400 130.8560
B2-D0 26.7770 26.7430 44.2000 44.3000
B2-C1 8.9190 8.9080 44.1280 44.2770
D0-C1 17.8580 17.8350 224.2080 224.3570
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.273K.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60739.19333975
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME iot Car
RA 139.270145
DEC -59.27516
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 23.744
HIERARCH ESO ISS PBL12 END 23.753
HIERARCH ESO ISS PBLA12 START 152.7
HIERARCH ESO ISS PBLA12 END 152.8
HIERARCH ESO ISS PBL13 START 29.623
HIERARCH ESO ISS PBL13 END 29.595
HIERARCH ESO ISS PBLA13 START 93.7
HIERARCH ESO ISS PBLA13 END 93.9
HIERARCH ESO ISS PBL14 START 22.553
HIERARCH ESO ISS PBL14 END 22.556
HIERARCH ESO ISS PBLA14 START 130.64
HIERARCH ESO ISS PBLA14 END 130.856
HIERARCH ESO ISS PBL23 START 26.777
HIERARCH ESO ISS PBL23 END 26.743
HIERARCH ESO ISS PBLA23 START 44.2
HIERARCH ESO ISS PBLA23 END 44.3
HIERARCH ESO ISS PBL24 START 8.919
HIERARCH ESO ISS PBL24 END 8.908
HIERARCH ESO ISS PBLA24 START 44.128
HIERARCH ESO ISS PBLA24 END 44.277
HIERARCH ESO ISS PBL34 START 17.858
HIERARCH ESO ISS PBL34 END 17.835
HIERARCH ESO ISS PBLA34 START 224.208
HIERARCH ESO ISS PBLA34 END 224.357
HIERARCH ESO ISS AMBI TAU0 START 0.006064
HIERARCH ESO ISS AMBI TAU0 END 0.005403
HIERARCH ESO ISS AMBI TEMP 14.34
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.77