Exposure
ID
MATIS.2025-01-31T01:10:46.237_1
Header ID
MATIS.2025-01-31T01:10:46.237
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-31 01:20:42 UTC+0000
UTC Start
2025-01-31 01:10:46.237
UTC End
2025-01-31 01:11:46.245
MJD Start
60706.04914626
MJD End
60706.04984079704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00645
Ambient temperature (°C)
16.85
Seeing (arcsec)
0.8
Observation
ID
63560
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 13.4960 13.5390 83.1000 83.4000
A0-D0 31.5640 31.5660 12.8000 13.0000
A0-C1 15.9680 15.9910 44.8250 45.1320
B2-D0 29.8670 29.8740 347.6000 347.8000
B2-C1 9.9460 9.9480 347.5710 347.7340
D0-C1 19.9210 19.9260 167.6140 167.7770
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 60706.04914626
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 13.496
HIERARCH ESO ISS PBL12 END 13.539
HIERARCH ESO ISS PBLA12 START 83.1
HIERARCH ESO ISS PBLA12 END 83.4
HIERARCH ESO ISS PBL13 START 31.564
HIERARCH ESO ISS PBL13 END 31.566
HIERARCH ESO ISS PBLA13 START 12.8
HIERARCH ESO ISS PBLA13 END 13.0
HIERARCH ESO ISS PBL14 START 15.968
HIERARCH ESO ISS PBL14 END 15.991
HIERARCH ESO ISS PBLA14 START 44.825
HIERARCH ESO ISS PBLA14 END 45.132
HIERARCH ESO ISS PBL23 START 29.867
HIERARCH ESO ISS PBL23 END 29.874
HIERARCH ESO ISS PBLA23 START 347.6
HIERARCH ESO ISS PBLA23 END 347.8
HIERARCH ESO ISS PBL24 START 9.946
HIERARCH ESO ISS PBL24 END 9.948
HIERARCH ESO ISS PBLA24 START 347.571
HIERARCH ESO ISS PBLA24 END 347.734
HIERARCH ESO ISS PBL34 START 19.921
HIERARCH ESO ISS PBL34 END 19.926
HIERARCH ESO ISS PBLA34 START 167.614
HIERARCH ESO ISS PBLA34 END 167.777
HIERARCH ESO ISS AMBI TAU0 START 0.006573
HIERARCH ESO ISS AMBI TAU0 END 0.006327
HIERARCH ESO ISS AMBI TEMP 16.85
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.77