Exposure
ID
MATIS.2025-03-06T05:57:46.338_1
Header ID
MATIS.2025-03-06T05:57:46.338
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2025-03-06 05:57:46 UTC+0000
UTC Start
2025-03-06 05:57:46.338
UTC End
2025-03-06 05:58:46.346
MJD Start
60740.24845299
MJD End
60740.24914752704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004295
Ambient temperature (°C)
14.79
Seeing (arcsec)
1.28
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 24.2490 24.2520 167.4000 167.5000
A0-D0 26.9780 26.9420 112.9000 113.2000
A0-C1 22.6050 22.6040 148.5000 148.7240
B2-D0 23.5520 23.5060 56.1000 56.2000
B2-C1 7.8450 7.8300 56.0130 56.1570
D0-C1 15.7060 15.6760 236.1040 236.2490
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 60740.24845299
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 24.249
HIERARCH ESO ISS PBL12 END 24.252
HIERARCH ESO ISS PBLA12 START 167.4
HIERARCH ESO ISS PBLA12 END 167.5
HIERARCH ESO ISS PBL13 START 26.978
HIERARCH ESO ISS PBL13 END 26.942
HIERARCH ESO ISS PBLA13 START 112.9
HIERARCH ESO ISS PBLA13 END 113.2
HIERARCH ESO ISS PBL14 START 22.605
HIERARCH ESO ISS PBL14 END 22.604
HIERARCH ESO ISS PBLA14 START 148.5
HIERARCH ESO ISS PBLA14 END 148.724
HIERARCH ESO ISS PBL23 START 23.552
HIERARCH ESO ISS PBL23 END 23.506
HIERARCH ESO ISS PBLA23 START 56.1
HIERARCH ESO ISS PBLA23 END 56.2
HIERARCH ESO ISS PBL24 START 7.845
HIERARCH ESO ISS PBL24 END 7.83
HIERARCH ESO ISS PBLA24 START 56.013
HIERARCH ESO ISS PBLA24 END 56.157
HIERARCH ESO ISS PBL34 START 15.706
HIERARCH ESO ISS PBL34 END 15.676
HIERARCH ESO ISS PBLA34 START 236.104
HIERARCH ESO ISS PBLA34 END 236.249
HIERARCH ESO ISS AMBI TAU0 START 0.00379
HIERARCH ESO ISS AMBI TAU0 END 0.0048
HIERARCH ESO ISS AMBI TEMP 14.79
HIERARCH ESO ISS AMBI FWHM START 1.45
HIERARCH ESO ISS AMBI FWHM END 1.11