Exposure
ID
MATIS.2025-03-06T05:54:07.980_1
Header ID
MATIS.2025-03-06T05:54:07.980
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2025-03-06 05:54:07 UTC+0000
UTC Start
2025-03-06 05:54:07.980
UTC End
2025-03-06 05:55:07.988
MJD Start
60740.24592569
MJD End
60740.24662022704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004738
Ambient temperature (°C)
14.87
Seeing (arcsec)
1.065
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 24.2350 24.2390 166.7000 166.9000
A0-D0 27.1060 27.0700 112.0000 112.3000
A0-C1 22.6090 22.6080 147.7020 147.9250
B2-D0 23.7150 23.6690 55.6000 55.7000
B2-C1 7.9000 7.8840 55.4980 55.6420
D0-C1 15.8150 15.7850 235.5890 235.7330
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 60740.24592569
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 24.235
HIERARCH ESO ISS PBL12 END 24.239
HIERARCH ESO ISS PBLA12 START 166.7
HIERARCH ESO ISS PBLA12 END 166.9
HIERARCH ESO ISS PBL13 START 27.106
HIERARCH ESO ISS PBL13 END 27.07
HIERARCH ESO ISS PBLA13 START 112.0
HIERARCH ESO ISS PBLA13 END 112.3
HIERARCH ESO ISS PBL14 START 22.609
HIERARCH ESO ISS PBL14 END 22.608
HIERARCH ESO ISS PBLA14 START 147.702
HIERARCH ESO ISS PBLA14 END 147.925
HIERARCH ESO ISS PBL23 START 23.715
HIERARCH ESO ISS PBL23 END 23.669
HIERARCH ESO ISS PBLA23 START 55.6
HIERARCH ESO ISS PBLA23 END 55.7
HIERARCH ESO ISS PBL24 START 7.9
HIERARCH ESO ISS PBL24 END 7.884
HIERARCH ESO ISS PBLA24 START 55.498
HIERARCH ESO ISS PBLA24 END 55.642
HIERARCH ESO ISS PBL34 START 15.815
HIERARCH ESO ISS PBL34 END 15.785
HIERARCH ESO ISS PBLA34 START 235.589
HIERARCH ESO ISS PBLA34 END 235.733
HIERARCH ESO ISS AMBI TAU0 START 0.005267
HIERARCH ESO ISS AMBI TAU0 END 0.004209
HIERARCH ESO ISS AMBI TEMP 14.87
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 1.22