Exposure
ID
MATIS.2025-01-31T02:17:01.313_1
Header ID
MATIS.2025-01-31T02:17:01.313
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-31 02:25:51 UTC+0000
UTC Start
2025-01-31 02:17:01.313
UTC End
2025-01-31 02:18:01.321
MJD Start
60706.09515408
MJD End
60706.09584861704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004072
Ambient temperature (°C)
16.55
Seeing (arcsec)
1.165
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 16.2120 16.2510 97.8000 98.0000
A0-D0 31.7770 31.7810 28.6000 28.8000
A0-C1 17.6010 17.6270 63.6040 63.8740
B2-D0 30.1260 30.1270 358.4000 358.5000
B2-C1 10.0320 10.0330 358.3220 358.4900
D0-C1 20.0940 20.0940 178.3730 178.5400
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 60706.09515408
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 16.212
HIERARCH ESO ISS PBL12 END 16.251
HIERARCH ESO ISS PBLA12 START 97.8
HIERARCH ESO ISS PBLA12 END 98.0
HIERARCH ESO ISS PBL13 START 31.777
HIERARCH ESO ISS PBL13 END 31.781
HIERARCH ESO ISS PBLA13 START 28.6
HIERARCH ESO ISS PBLA13 END 28.8
HIERARCH ESO ISS PBL14 START 17.601
HIERARCH ESO ISS PBL14 END 17.627
HIERARCH ESO ISS PBLA14 START 63.604
HIERARCH ESO ISS PBLA14 END 63.874
HIERARCH ESO ISS PBL23 START 30.126
HIERARCH ESO ISS PBL23 END 30.127
HIERARCH ESO ISS PBLA23 START 358.4
HIERARCH ESO ISS PBLA23 END 358.5
HIERARCH ESO ISS PBL24 START 10.032
HIERARCH ESO ISS PBL24 END 10.033
HIERARCH ESO ISS PBLA24 START 358.322
HIERARCH ESO ISS PBLA24 END 358.49
HIERARCH ESO ISS PBL34 START 20.094
HIERARCH ESO ISS PBL34 END 20.094
HIERARCH ESO ISS PBLA34 START 178.373
HIERARCH ESO ISS PBLA34 END 178.54
HIERARCH ESO ISS AMBI TAU0 START 0.003956
HIERARCH ESO ISS AMBI TAU0 END 0.004188
HIERARCH ESO ISS AMBI TEMP 16.55
HIERARCH ESO ISS AMBI FWHM START 1.12
HIERARCH ESO ISS AMBI FWHM END 1.21