Exposure
ID
MATIS.2025-01-23T05:23:29.231_1
Header ID
MATIS.2025-01-23T05:23:29.231
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-23 05:30:47 UTC+0000
UTC Start
2025-01-23 05:23:29.231
UTC End
2025-01-23 05:24:29.239
MJD Start
60698.22464388
MJD End
60698.22533841704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.011618
Ambient temperature (°C)
14.23
Seeing (arcsec)
0.46499999999999997
Observation
ID
63488
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.8350 67.8520 259.5000 259.7000
K0-D0 95.4730 95.4550 243.4000 243.6000
K0-J3 45.2360 45.2820 318.6720 318.8350
G2-D0 35.6160 35.5960 211.7000 211.8000
G2-J3 59.2080 59.1750 38.4500 38.6400
D0-J3 94.6670 94.6150 35.8990 36.0840
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 60698.22464388
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME l_Car
RA 146.311522
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 67.835
HIERARCH ESO ISS PBL12 END 67.852
HIERARCH ESO ISS PBLA12 START 259.5
HIERARCH ESO ISS PBLA12 END 259.7
HIERARCH ESO ISS PBL13 START 95.473
HIERARCH ESO ISS PBL13 END 95.455
HIERARCH ESO ISS PBLA13 START 243.4
HIERARCH ESO ISS PBLA13 END 243.6
HIERARCH ESO ISS PBL14 START 45.236
HIERARCH ESO ISS PBL14 END 45.282
HIERARCH ESO ISS PBLA14 START 318.672
HIERARCH ESO ISS PBLA14 END 318.835
HIERARCH ESO ISS PBL23 START 35.616
HIERARCH ESO ISS PBL23 END 35.596
HIERARCH ESO ISS PBLA23 START 211.7
HIERARCH ESO ISS PBLA23 END 211.8
HIERARCH ESO ISS PBL24 START 59.208
HIERARCH ESO ISS PBL24 END 59.175
HIERARCH ESO ISS PBLA24 START 38.45
HIERARCH ESO ISS PBLA24 END 38.64
HIERARCH ESO ISS PBL34 START 94.667
HIERARCH ESO ISS PBL34 END 94.615
HIERARCH ESO ISS PBLA34 START 35.899
HIERARCH ESO ISS PBLA34 END 36.084
HIERARCH ESO ISS AMBI TAU0 START 0.012067
HIERARCH ESO ISS AMBI TAU0 END 0.011169
HIERARCH ESO ISS AMBI TEMP 14.23
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.47