Exposure
ID
MATIS.2025-03-08T05:05:39.271_1
Header ID
MATIS.2025-03-08T05:05:39.271
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-08 05:15:41 UTC+0000
UTC Start
2025-03-08 05:05:39.271
UTC End
2025-03-08 05:06:39.279
MJD Start
60742.21226008
MJD End
60742.21295461704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0065725
Ambient temperature (°C)
13.43
Seeing (arcsec)
1.025
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 23.3740 23.3820 154.0000 154.2000
A0-D0 29.4050 29.3800 97.5000 97.7000
A0-C1 22.5120 22.5150 132.7420 132.9660
B2-D0 25.5680 25.5340 47.7000 47.9000
B2-C1 8.5160 8.5050 47.6850 47.8480
D0-C1 17.0520 17.0290 227.7690 227.9320
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 60742.21226008
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 23.374
HIERARCH ESO ISS PBL12 END 23.382
HIERARCH ESO ISS PBLA12 START 154.0
HIERARCH ESO ISS PBLA12 END 154.2
HIERARCH ESO ISS PBL13 START 29.405
HIERARCH ESO ISS PBL13 END 29.38
HIERARCH ESO ISS PBLA13 START 97.5
HIERARCH ESO ISS PBLA13 END 97.7
HIERARCH ESO ISS PBL14 START 22.512
HIERARCH ESO ISS PBL14 END 22.515
HIERARCH ESO ISS PBLA14 START 132.742
HIERARCH ESO ISS PBLA14 END 132.966
HIERARCH ESO ISS PBL23 START 25.568
HIERARCH ESO ISS PBL23 END 25.534
HIERARCH ESO ISS PBLA23 START 47.7
HIERARCH ESO ISS PBLA23 END 47.9
HIERARCH ESO ISS PBL24 START 8.516
HIERARCH ESO ISS PBL24 END 8.505
HIERARCH ESO ISS PBLA24 START 47.685
HIERARCH ESO ISS PBLA24 END 47.848
HIERARCH ESO ISS PBL34 START 17.052
HIERARCH ESO ISS PBL34 END 17.029
HIERARCH ESO ISS PBLA34 START 227.769
HIERARCH ESO ISS PBLA34 END 227.932
HIERARCH ESO ISS AMBI TAU0 START 0.006962
HIERARCH ESO ISS AMBI TAU0 END 0.006183
HIERARCH ESO ISS AMBI TEMP 13.43
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 1.03