Exposure
ID
MATIS.2025-01-23T05:17:19.682_1
Header ID
MATIS.2025-01-23T05:17:19.682
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-23 05:25:51 UTC+0000
UTC Start
2025-01-23 05:17:19.682
UTC End
2025-01-23 05:18:19.690
MJD Start
60698.22036669
MJD End
60698.22106122704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.010454
Ambient temperature (°C)
14.23
Seeing (arcsec)
0.48
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 67.7290 67.7470 258.1000 258.3000
K0-D0 95.5760 95.5600 242.1000 242.3000
K0-J3 44.9540 45.0010 317.7010 317.8640
G2-D0 35.7320 35.7130 210.6000 210.8000
G2-J3 59.4010 59.3700 37.3180 37.5080
D0-J3 94.9790 94.9290 34.7930 34.9780
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 60698.22036669
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 67.729
HIERARCH ESO ISS PBL12 END 67.747
HIERARCH ESO ISS PBLA12 START 258.1
HIERARCH ESO ISS PBLA12 END 258.3
HIERARCH ESO ISS PBL13 START 95.576
HIERARCH ESO ISS PBL13 END 95.56
HIERARCH ESO ISS PBLA13 START 242.1
HIERARCH ESO ISS PBLA13 END 242.3
HIERARCH ESO ISS PBL14 START 44.954
HIERARCH ESO ISS PBL14 END 45.001
HIERARCH ESO ISS PBLA14 START 317.701
HIERARCH ESO ISS PBLA14 END 317.864
HIERARCH ESO ISS PBL23 START 35.732
HIERARCH ESO ISS PBL23 END 35.713
HIERARCH ESO ISS PBLA23 START 210.6
HIERARCH ESO ISS PBLA23 END 210.8
HIERARCH ESO ISS PBL24 START 59.401
HIERARCH ESO ISS PBL24 END 59.37
HIERARCH ESO ISS PBLA24 START 37.318
HIERARCH ESO ISS PBLA24 END 37.508
HIERARCH ESO ISS PBL34 START 94.979
HIERARCH ESO ISS PBL34 END 94.929
HIERARCH ESO ISS PBLA34 START 34.793
HIERARCH ESO ISS PBLA34 END 34.978
HIERARCH ESO ISS AMBI TAU0 START 0.010454
HIERARCH ESO ISS AMBI TAU0 END 0.010454
HIERARCH ESO ISS AMBI TEMP 14.23
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48