Exposure
ID
MATIS.2025-02-02T08:22:09.783_1
Header ID
MATIS.2025-02-02T08:22:09.783
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-02-02 08:30:52 UTC+0000
UTC Start
2025-02-02 08:22:09.783
UTC End
2025-02-02 08:23:09.791
MJD Start
60708.34872434
MJD End
60708.34941887704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006333
Ambient temperature (°C)
14.96
Seeing (arcsec)
0.685
Observation
ID
63615
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
47357
Name
l_Car
RA
146.309115
DEC
-62.50784
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.4940 90.4960 146.4000 146.6000
A0-J2 124.3910 124.3350 130.2000 130.4000
A0-K0 110.5780 110.4540 112.3880 112.6450
G1-J2 45.2560 45.1810 96.1000 96.4000
G1-K0 61.8770 61.7610 57.4880 57.6500
J2-K0 38.7760 38.7650 10.6760 10.8170
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 60708.34872434
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME l_Car
RA 146.309115
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 90.494
HIERARCH ESO ISS PBL12 END 90.496
HIERARCH ESO ISS PBLA12 START 146.4
HIERARCH ESO ISS PBLA12 END 146.6
HIERARCH ESO ISS PBL13 START 124.391
HIERARCH ESO ISS PBL13 END 124.335
HIERARCH ESO ISS PBLA13 START 130.2
HIERARCH ESO ISS PBLA13 END 130.4
HIERARCH ESO ISS PBL14 START 110.578
HIERARCH ESO ISS PBL14 END 110.454
HIERARCH ESO ISS PBLA14 START 112.388
HIERARCH ESO ISS PBLA14 END 112.645
HIERARCH ESO ISS PBL23 START 45.256
HIERARCH ESO ISS PBL23 END 45.181
HIERARCH ESO ISS PBLA23 START 96.1
HIERARCH ESO ISS PBLA23 END 96.4
HIERARCH ESO ISS PBL24 START 61.877
HIERARCH ESO ISS PBL24 END 61.761
HIERARCH ESO ISS PBLA24 START 57.488
HIERARCH ESO ISS PBLA24 END 57.65
HIERARCH ESO ISS PBL34 START 38.776
HIERARCH ESO ISS PBL34 END 38.765
HIERARCH ESO ISS PBLA34 START 10.676
HIERARCH ESO ISS PBLA34 END 10.817
HIERARCH ESO ISS AMBI TAU0 START 0.006045
HIERARCH ESO ISS AMBI TAU0 END 0.006621
HIERARCH ESO ISS AMBI TEMP 14.96
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.64