Exposure
ID
MATIS.2025-01-23T06:07:40.970_1
Header ID
MATIS.2025-01-23T06:07:40.970
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-23 06:15:47 UTC+0000
UTC Start
2025-01-23 06:07:40.970
UTC End
2025-01-23 06:08:40.978
MJD Start
60698.2553353
MJD End
60698.25602983704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.013999000000000001
Ambient temperature (°C)
13.89
Seeing (arcsec)
0.435
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 68.3080 68.3130 269.3000 269.6000
K0-D0 94.3400 94.3040 253.0000 253.2000
K0-J3 47.0190 47.0550 325.6610 325.8250
G2-D0 34.6320 34.6060 219.2000 219.4000
G2-J3 57.5660 57.5220 46.5310 46.7190
D0-J3 92.0240 91.9530 43.7940 43.9780
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 60698.2553353
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 68.308
HIERARCH ESO ISS PBL12 END 68.313
HIERARCH ESO ISS PBLA12 START 269.3
HIERARCH ESO ISS PBLA12 END 269.6
HIERARCH ESO ISS PBL13 START 94.34
HIERARCH ESO ISS PBL13 END 94.304
HIERARCH ESO ISS PBLA13 START 253.0
HIERARCH ESO ISS PBLA13 END 253.2
HIERARCH ESO ISS PBL14 START 47.019
HIERARCH ESO ISS PBL14 END 47.055
HIERARCH ESO ISS PBLA14 START 325.661
HIERARCH ESO ISS PBLA14 END 325.825
HIERARCH ESO ISS PBL23 START 34.632
HIERARCH ESO ISS PBL23 END 34.606
HIERARCH ESO ISS PBLA23 START 219.2
HIERARCH ESO ISS PBLA23 END 219.4
HIERARCH ESO ISS PBL24 START 57.566
HIERARCH ESO ISS PBL24 END 57.522
HIERARCH ESO ISS PBLA24 START 46.531
HIERARCH ESO ISS PBLA24 END 46.719
HIERARCH ESO ISS PBL34 START 92.024
HIERARCH ESO ISS PBL34 END 91.953
HIERARCH ESO ISS PBLA34 START 43.794
HIERARCH ESO ISS PBLA34 END 43.978
HIERARCH ESO ISS AMBI TAU0 START 0.014315
HIERARCH ESO ISS AMBI TAU0 END 0.013683
HIERARCH ESO ISS AMBI TEMP 13.89
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.47