Exposure
ID
MATIS.2025-02-02T08:30:22.180_1
Header ID
MATIS.2025-02-02T08:30:22.180
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-02-02 08:35:49 UTC+0000
UTC Start
2025-02-02 08:30:22.180
UTC End
2025-02-02 08:31:22.188
MJD Start
60708.35442338
MJD End
60708.35511791704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006678
Ambient temperature (°C)
14.77
Seeing (arcsec)
0.6950000000000001
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 90.5050 90.5050 148.2000 148.4000
A0-J2 123.9450 123.8900 132.2000 132.4000
A0-K0 109.5880 109.4650 114.4360 114.6940
G1-J2 44.6490 44.5740 98.1000 98.3000
G1-K0 60.9450 60.8270 58.7720 58.9340
J2-K0 38.6820 38.6690 11.7950 11.9360
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 60708.35442338
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 90.505
HIERARCH ESO ISS PBL12 END 90.505
HIERARCH ESO ISS PBLA12 START 148.2
HIERARCH ESO ISS PBLA12 END 148.4
HIERARCH ESO ISS PBL13 START 123.945
HIERARCH ESO ISS PBL13 END 123.89
HIERARCH ESO ISS PBLA13 START 132.2
HIERARCH ESO ISS PBLA13 END 132.4
HIERARCH ESO ISS PBL14 START 109.588
HIERARCH ESO ISS PBL14 END 109.465
HIERARCH ESO ISS PBLA14 START 114.436
HIERARCH ESO ISS PBLA14 END 114.694
HIERARCH ESO ISS PBL23 START 44.649
HIERARCH ESO ISS PBL23 END 44.574
HIERARCH ESO ISS PBLA23 START 98.1
HIERARCH ESO ISS PBLA23 END 98.3
HIERARCH ESO ISS PBL24 START 60.945
HIERARCH ESO ISS PBL24 END 60.827
HIERARCH ESO ISS PBLA24 START 58.772
HIERARCH ESO ISS PBLA24 END 58.934
HIERARCH ESO ISS PBL34 START 38.682
HIERARCH ESO ISS PBL34 END 38.669
HIERARCH ESO ISS PBLA34 START 11.795
HIERARCH ESO ISS PBLA34 END 11.936
HIERARCH ESO ISS AMBI TAU0 START 0.006678
HIERARCH ESO ISS AMBI TAU0 END 0.006678
HIERARCH ESO ISS AMBI TEMP 14.77
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.72