Exposure
ID
MATIS.2025-03-05T04:40:56.882_1
Header ID
MATIS.2025-03-05T04:40:56.882
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2025-03-05 04:40:56 UTC+0000
UTC Start
2025-03-05 04:40:56.882
UTC End
2025-03-05 04:41:56.890
MJD Start
60739.1951028
MJD End
60739.19579733704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005353999999999999
Ambient temperature (°C)
14.32
Seeing (arcsec)
0.79
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 23.7660 23.7750 153.1000 153.3000
A0-D0 29.5540 29.5260 94.2000 94.4000
A0-C1 22.5600 22.5630 131.1760 131.3860
B2-D0 26.6940 26.6600 44.6000 44.7000
B2-C1 8.8910 8.8800 44.4990 44.6430
D0-C1 17.8020 17.7800 224.5790 224.7230
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 60739.1951028
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 23.766
HIERARCH ESO ISS PBL12 END 23.775
HIERARCH ESO ISS PBLA12 START 153.1
HIERARCH ESO ISS PBLA12 END 153.3
HIERARCH ESO ISS PBL13 START 29.554
HIERARCH ESO ISS PBL13 END 29.526
HIERARCH ESO ISS PBLA13 START 94.2
HIERARCH ESO ISS PBLA13 END 94.4
HIERARCH ESO ISS PBL14 START 22.56
HIERARCH ESO ISS PBL14 END 22.563
HIERARCH ESO ISS PBLA14 START 131.176
HIERARCH ESO ISS PBLA14 END 131.386
HIERARCH ESO ISS PBL23 START 26.694
HIERARCH ESO ISS PBL23 END 26.66
HIERARCH ESO ISS PBLA23 START 44.6
HIERARCH ESO ISS PBLA23 END 44.7
HIERARCH ESO ISS PBL24 START 8.891
HIERARCH ESO ISS PBL24 END 8.88
HIERARCH ESO ISS PBLA24 START 44.499
HIERARCH ESO ISS PBLA24 END 44.643
HIERARCH ESO ISS PBL34 START 17.802
HIERARCH ESO ISS PBL34 END 17.78
HIERARCH ESO ISS PBLA34 START 224.579
HIERARCH ESO ISS PBLA34 END 224.723
HIERARCH ESO ISS AMBI TAU0 START 0.005403
HIERARCH ESO ISS AMBI TAU0 END 0.005305
HIERARCH ESO ISS AMBI TEMP 14.32
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.81