Exposure
ID
MATIS.2025-01-31T02:20:40.199_1
Header ID
MATIS.2025-01-31T02:20:40.199
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-31 02:30:57 UTC+0000
UTC Start
2025-01-31 02:20:40.199
UTC End
2025-01-31 02:21:40.207
MJD Start
60706.09768749
MJD End
60706.09838202704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005029
Ambient temperature (°C)
16.76
Seeing (arcsec)
0.925
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 16.3520 16.3910 98.6000 98.8000
A0-D0 31.7900 31.7940 29.4000 29.7000
A0-C1 17.6950 17.7210 64.5650 64.8290
B2-D0 30.1290 30.1290 359.0000 359.1000
B2-C1 10.0330 10.0340 358.9180 359.0810
D0-C1 20.0960 20.0960 178.9690 179.1320
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 60706.09768749
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 16.352
HIERARCH ESO ISS PBL12 END 16.391
HIERARCH ESO ISS PBLA12 START 98.6
HIERARCH ESO ISS PBLA12 END 98.8
HIERARCH ESO ISS PBL13 START 31.79
HIERARCH ESO ISS PBL13 END 31.794
HIERARCH ESO ISS PBLA13 START 29.4
HIERARCH ESO ISS PBLA13 END 29.7
HIERARCH ESO ISS PBL14 START 17.695
HIERARCH ESO ISS PBL14 END 17.721
HIERARCH ESO ISS PBLA14 START 64.565
HIERARCH ESO ISS PBLA14 END 64.829
HIERARCH ESO ISS PBL23 START 30.129
HIERARCH ESO ISS PBL23 END 30.129
HIERARCH ESO ISS PBLA23 START 359.0
HIERARCH ESO ISS PBLA23 END 359.1
HIERARCH ESO ISS PBL24 START 10.033
HIERARCH ESO ISS PBL24 END 10.034
HIERARCH ESO ISS PBLA24 START 358.918
HIERARCH ESO ISS PBLA24 END 359.081
HIERARCH ESO ISS PBL34 START 20.096
HIERARCH ESO ISS PBL34 END 20.096
HIERARCH ESO ISS PBLA34 START 178.969
HIERARCH ESO ISS PBLA34 END 179.132
HIERARCH ESO ISS AMBI TAU0 START 0.004611
HIERARCH ESO ISS AMBI TAU0 END 0.005447
HIERARCH ESO ISS AMBI TEMP 16.76
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.86