Exposure
ID
MATIS.2025-01-31T00:57:21.798_1
Header ID
MATIS.2025-01-31T00:57:21.798
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-31 01:05:34 UTC+0000
UTC Start
2025-01-31 00:57:21.798
UTC End
2025-01-31 00:58:21.806
MJD Start
60706.03983563
MJD End
60706.04053016704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.007643
Ambient temperature (°C)
16.64
Seeing (arcsec)
0.69
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 12.9210 12.9650 79.8000 80.0000
A0-D0 31.5360 31.5380 9.5000 9.8000
A0-C1 15.6720 15.6950 40.6760 41.0000
B2-D0 29.7650 29.7730 345.4000 345.6000
B2-C1 9.9110 9.9140 345.4020 345.5690
D0-C1 19.8530 19.8590 165.4440 165.6110
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 60706.03983563
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 12.921
HIERARCH ESO ISS PBL12 END 12.965
HIERARCH ESO ISS PBLA12 START 79.8
HIERARCH ESO ISS PBLA12 END 80.0
HIERARCH ESO ISS PBL13 START 31.536
HIERARCH ESO ISS PBL13 END 31.538
HIERARCH ESO ISS PBLA13 START 9.5
HIERARCH ESO ISS PBLA13 END 9.8
HIERARCH ESO ISS PBL14 START 15.672
HIERARCH ESO ISS PBL14 END 15.695
HIERARCH ESO ISS PBLA14 START 40.676
HIERARCH ESO ISS PBLA14 END 41.0
HIERARCH ESO ISS PBL23 START 29.765
HIERARCH ESO ISS PBL23 END 29.773
HIERARCH ESO ISS PBLA23 START 345.4
HIERARCH ESO ISS PBLA23 END 345.6
HIERARCH ESO ISS PBL24 START 9.911
HIERARCH ESO ISS PBL24 END 9.914
HIERARCH ESO ISS PBLA24 START 345.402
HIERARCH ESO ISS PBLA24 END 345.569
HIERARCH ESO ISS PBL34 START 19.853
HIERARCH ESO ISS PBL34 END 19.859
HIERARCH ESO ISS PBLA34 START 165.444
HIERARCH ESO ISS PBLA34 END 165.611
HIERARCH ESO ISS AMBI TAU0 START 0.007643
HIERARCH ESO ISS AMBI TAU0 END 0.007643
HIERARCH ESO ISS AMBI TEMP 16.64
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.69