Exposure
ID
MATIS.2025-01-23T06:03:55.757_1
Header ID
MATIS.2025-01-23T06:03:55.757
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-23 06:10:49 UTC+0000
UTC Start
2025-01-23 06:03:55.757
UTC End
2025-01-23 06:04:55.817
MJD Start
60698.25272867
MJD End
60698.253423808885
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0127235
Ambient temperature (°C)
13.89
Seeing (arcsec)
0.45
Observation
ID
63487
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
47308
Name
l_Car
RA
146.311522
DEC
-62.50784
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.2880 68.2940 268.5000 268.7000
K0-D0 94.4640 94.4310 252.2000 252.4000
K0-J3 46.8830 46.9200 325.0630 325.2270
G2-D0 34.7270 34.7010 218.6000 218.8000
G2-J3 57.7240 57.6810 45.8440 46.0320
D0-J3 92.2770 92.2090 43.1230 43.3070
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 60698.25272867
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME l_Car
RA 146.311522
DEC -62.50784
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0751997
HIERARCH ESO DET SEQ1 PERIOD 0.182
HIERARCH ESO DET NDIT 330
HIERARCH ESO ISS PBL12 START 68.288
HIERARCH ESO ISS PBL12 END 68.294
HIERARCH ESO ISS PBLA12 START 268.5
HIERARCH ESO ISS PBLA12 END 268.7
HIERARCH ESO ISS PBL13 START 94.464
HIERARCH ESO ISS PBL13 END 94.431
HIERARCH ESO ISS PBLA13 START 252.2
HIERARCH ESO ISS PBLA13 END 252.4
HIERARCH ESO ISS PBL14 START 46.883
HIERARCH ESO ISS PBL14 END 46.92
HIERARCH ESO ISS PBLA14 START 325.063
HIERARCH ESO ISS PBLA14 END 325.227
HIERARCH ESO ISS PBL23 START 34.727
HIERARCH ESO ISS PBL23 END 34.701
HIERARCH ESO ISS PBLA23 START 218.6
HIERARCH ESO ISS PBLA23 END 218.8
HIERARCH ESO ISS PBL24 START 57.724
HIERARCH ESO ISS PBL24 END 57.681
HIERARCH ESO ISS PBLA24 START 45.844
HIERARCH ESO ISS PBLA24 END 46.032
HIERARCH ESO ISS PBL34 START 92.277
HIERARCH ESO ISS PBL34 END 92.209
HIERARCH ESO ISS PBLA34 START 43.123
HIERARCH ESO ISS PBLA34 END 43.307
HIERARCH ESO ISS AMBI TAU0 START 0.012269
HIERARCH ESO ISS AMBI TAU0 END 0.013178
HIERARCH ESO ISS AMBI TEMP 13.89
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.46