Exposure
ID
MATIS.2025-03-05T04:22:35.845_1
Header ID
MATIS.2025-03-05T04:22:35.845
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-05 04:30:47 UTC+0000
UTC Start
2025-03-05 04:22:35.845
UTC End
2025-03-05 04:23:35.853
MJD Start
60739.18235932
MJD End
60739.18305385704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004288500000000001
Ambient temperature (°C)
14.53
Seeing (arcsec)
1.03
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 22.7900 22.8030 144.2000 144.4000
A0-D0 30.6150 30.5960 85.2000 85.4000
A0-C1 22.2270 22.2350 121.0760 121.2930
B2-D0 27.1850 27.1590 39.2000 39.4000
B2-C1 9.0540 9.0460 39.1750 39.3360
D0-C1 18.1310 18.1130 219.2520 219.4140
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 60739.18235932
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 22.79
HIERARCH ESO ISS PBL12 END 22.803
HIERARCH ESO ISS PBLA12 START 144.2
HIERARCH ESO ISS PBLA12 END 144.4
HIERARCH ESO ISS PBL13 START 30.615
HIERARCH ESO ISS PBL13 END 30.596
HIERARCH ESO ISS PBLA13 START 85.2
HIERARCH ESO ISS PBLA13 END 85.4
HIERARCH ESO ISS PBL14 START 22.227
HIERARCH ESO ISS PBL14 END 22.235
HIERARCH ESO ISS PBLA14 START 121.076
HIERARCH ESO ISS PBLA14 END 121.293
HIERARCH ESO ISS PBL23 START 27.185
HIERARCH ESO ISS PBL23 END 27.159
HIERARCH ESO ISS PBLA23 START 39.2
HIERARCH ESO ISS PBLA23 END 39.4
HIERARCH ESO ISS PBL24 START 9.054
HIERARCH ESO ISS PBL24 END 9.046
HIERARCH ESO ISS PBLA24 START 39.175
HIERARCH ESO ISS PBLA24 END 39.336
HIERARCH ESO ISS PBL34 START 18.131
HIERARCH ESO ISS PBL34 END 18.113
HIERARCH ESO ISS PBLA34 START 219.252
HIERARCH ESO ISS PBLA34 END 219.414
HIERARCH ESO ISS AMBI TAU0 START 0.004368
HIERARCH ESO ISS AMBI TAU0 END 0.004209
HIERARCH ESO ISS AMBI TEMP 14.53
HIERARCH ESO ISS AMBI FWHM START 1.08
HIERARCH ESO ISS AMBI FWHM END 0.98