Exposure
ID
MATIS.2025-02-02T08:20:48.560_1
Header ID
MATIS.2025-02-02T08:20:48.560
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 08:20:48.560
UTC End
2025-02-02 08:21:48.568
MJD Start
60708.34778426
MJD End
60708.34847879704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006936
Ambient temperature (°C)
14.96
Seeing (arcsec)
0.655
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 90.4920 90.4940 146.1000 146.3000
A0-J2 124.4630 124.4090 129.8000 130.1000
A0-K0 110.7400 110.6180 112.0510 112.3050
G1-J2 45.3550 45.2810 95.8000 96.1000
G1-K0 62.0280 61.9140 57.2740 57.4360
J2-K0 38.7910 38.7800 10.4890 10.6300
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 60708.34778426
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 90.492
HIERARCH ESO ISS PBL12 END 90.494
HIERARCH ESO ISS PBLA12 START 146.1
HIERARCH ESO ISS PBLA12 END 146.3
HIERARCH ESO ISS PBL13 START 124.463
HIERARCH ESO ISS PBL13 END 124.409
HIERARCH ESO ISS PBLA13 START 129.8
HIERARCH ESO ISS PBLA13 END 130.1
HIERARCH ESO ISS PBL14 START 110.74
HIERARCH ESO ISS PBL14 END 110.618
HIERARCH ESO ISS PBLA14 START 112.051
HIERARCH ESO ISS PBLA14 END 112.305
HIERARCH ESO ISS PBL23 START 45.355
HIERARCH ESO ISS PBL23 END 45.281
HIERARCH ESO ISS PBLA23 START 95.8
HIERARCH ESO ISS PBLA23 END 96.1
HIERARCH ESO ISS PBL24 START 62.028
HIERARCH ESO ISS PBL24 END 61.914
HIERARCH ESO ISS PBLA24 START 57.274
HIERARCH ESO ISS PBLA24 END 57.436
HIERARCH ESO ISS PBL34 START 38.791
HIERARCH ESO ISS PBL34 END 38.78
HIERARCH ESO ISS PBLA34 START 10.489
HIERARCH ESO ISS PBLA34 END 10.63
HIERARCH ESO ISS AMBI TAU0 START 0.007827
HIERARCH ESO ISS AMBI TAU0 END 0.006045
HIERARCH ESO ISS AMBI TEMP 14.96
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.73