Exposure
ID
MATIS.2025-01-23T07:48:56.780_1
Header ID
MATIS.2025-01-23T07:48:56.780
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-23 08:00:44 UTC+0000
UTC Start
2025-01-23 07:48:56.780
UTC End
2025-01-23 07:49:56.788
MJD Start
60698.32565718
MJD End
60698.32635171704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006684000000000001
Ambient temperature (°C)
13.16
Seeing (arcsec)
0.61
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 67.4220 67.4010 292.1000 292.3000
K0-D0 88.9030 88.8300 275.2000 275.5000
K0-J3 49.6470 49.6640 341.9390 342.1020
G2-D0 31.2430 31.2000 236.5000 236.7000
G2-J3 51.8990 51.8270 65.1110 65.2980
D0-J3 82.9230 82.8080 61.8850 62.0660
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 60698.32565718
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 67.422
HIERARCH ESO ISS PBL12 END 67.401
HIERARCH ESO ISS PBLA12 START 292.1
HIERARCH ESO ISS PBLA12 END 292.3
HIERARCH ESO ISS PBL13 START 88.903
HIERARCH ESO ISS PBL13 END 88.83
HIERARCH ESO ISS PBLA13 START 275.2
HIERARCH ESO ISS PBLA13 END 275.5
HIERARCH ESO ISS PBL14 START 49.647
HIERARCH ESO ISS PBL14 END 49.664
HIERARCH ESO ISS PBLA14 START 341.939
HIERARCH ESO ISS PBLA14 END 342.102
HIERARCH ESO ISS PBL23 START 31.243
HIERARCH ESO ISS PBL23 END 31.2
HIERARCH ESO ISS PBLA23 START 236.5
HIERARCH ESO ISS PBLA23 END 236.7
HIERARCH ESO ISS PBL24 START 51.899
HIERARCH ESO ISS PBL24 END 51.827
HIERARCH ESO ISS PBLA24 START 65.111
HIERARCH ESO ISS PBLA24 END 65.298
HIERARCH ESO ISS PBL34 START 82.923
HIERARCH ESO ISS PBL34 END 82.808
HIERARCH ESO ISS PBLA34 START 61.885
HIERARCH ESO ISS PBLA34 END 62.066
HIERARCH ESO ISS AMBI TAU0 START 0.006583
HIERARCH ESO ISS AMBI TAU0 END 0.006785
HIERARCH ESO ISS AMBI TEMP 13.16
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.6