Exposure
ID
MATIS.2025-01-23T07:42:47.327_1
Header ID
MATIS.2025-01-23T07:42:47.327
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-23 07:50:56 UTC+0000
UTC Start
2025-01-23 07:42:47.327
UTC End
2025-01-23 07:43:47.335
MJD Start
60698.3213811
MJD End
60698.32207563704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.007977999999999999
Ambient temperature (°C)
13.16
Seeing (arcsec)
0.63
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 67.5470 67.5270 290.7000 290.9000
K0-D0 89.3430 89.2710 273.8000 274.1000
K0-J3 49.5400 49.5580 340.9370 341.1050
G2-D0 31.4970 31.4560 235.5000 235.6000
G2-J3 52.3230 52.2540 63.9620 64.1540
D0-J3 83.6050 83.4930 60.7710 60.9570
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 60698.3213811
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 67.547
HIERARCH ESO ISS PBL12 END 67.527
HIERARCH ESO ISS PBLA12 START 290.7
HIERARCH ESO ISS PBLA12 END 290.9
HIERARCH ESO ISS PBL13 START 89.343
HIERARCH ESO ISS PBL13 END 89.271
HIERARCH ESO ISS PBLA13 START 273.8
HIERARCH ESO ISS PBLA13 END 274.1
HIERARCH ESO ISS PBL14 START 49.54
HIERARCH ESO ISS PBL14 END 49.558
HIERARCH ESO ISS PBLA14 START 340.937
HIERARCH ESO ISS PBLA14 END 341.105
HIERARCH ESO ISS PBL23 START 31.497
HIERARCH ESO ISS PBL23 END 31.456
HIERARCH ESO ISS PBLA23 START 235.5
HIERARCH ESO ISS PBLA23 END 235.6
HIERARCH ESO ISS PBL24 START 52.323
HIERARCH ESO ISS PBL24 END 52.254
HIERARCH ESO ISS PBLA24 START 63.962
HIERARCH ESO ISS PBLA24 END 64.154
HIERARCH ESO ISS PBL34 START 83.605
HIERARCH ESO ISS PBL34 END 83.493
HIERARCH ESO ISS PBLA34 START 60.771
HIERARCH ESO ISS PBLA34 END 60.957
HIERARCH ESO ISS AMBI TAU0 START 0.008664
HIERARCH ESO ISS AMBI TAU0 END 0.007292
HIERARCH ESO ISS AMBI TEMP 13.16
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.63