Exposure
ID
MATIS.2025-01-29T03:44:54.744_1
Header ID
MATIS.2025-01-29T03:44:54.744
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-29 03:55:42 UTC+0000
UTC Start
2025-01-29 03:44:54.744
UTC End
2025-01-29 03:45:54.752
MJD Start
60704.15618917
MJD End
60704.15688370704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.007894
Ambient temperature (°C)
17.67
Seeing (arcsec)
0.61
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 19.0090 19.0400 113.1000 113.3000
A0-D0 31.9970 31.9980 46.9000 47.1000
A0-C1 19.5700 19.5930 83.2520 83.4860
B2-D0 29.9110 29.9050 11.4000 11.5000
B2-C1 9.9610 9.9590 11.3210 11.4860
D0-C1 19.9500 19.9460 191.3810 191.5450
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 60704.15618917
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 19.009
HIERARCH ESO ISS PBL12 END 19.04
HIERARCH ESO ISS PBLA12 START 113.1
HIERARCH ESO ISS PBLA12 END 113.3
HIERARCH ESO ISS PBL13 START 31.997
HIERARCH ESO ISS PBL13 END 31.998
HIERARCH ESO ISS PBLA13 START 46.9
HIERARCH ESO ISS PBLA13 END 47.1
HIERARCH ESO ISS PBL14 START 19.57
HIERARCH ESO ISS PBL14 END 19.593
HIERARCH ESO ISS PBLA14 START 83.252
HIERARCH ESO ISS PBLA14 END 83.486
HIERARCH ESO ISS PBL23 START 29.911
HIERARCH ESO ISS PBL23 END 29.905
HIERARCH ESO ISS PBLA23 START 11.4
HIERARCH ESO ISS PBLA23 END 11.5
HIERARCH ESO ISS PBL24 START 9.961
HIERARCH ESO ISS PBL24 END 9.959
HIERARCH ESO ISS PBLA24 START 11.321
HIERARCH ESO ISS PBLA24 END 11.486
HIERARCH ESO ISS PBL34 START 19.95
HIERARCH ESO ISS PBL34 END 19.946
HIERARCH ESO ISS PBLA34 START 191.381
HIERARCH ESO ISS PBLA34 END 191.545
HIERARCH ESO ISS AMBI TAU0 START 0.006853
HIERARCH ESO ISS AMBI TAU0 END 0.008935
HIERARCH ESO ISS AMBI TEMP 17.67
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.57