Exposure
ID
MATIS.2025-01-29T03:52:15.238_1
Header ID
MATIS.2025-01-29T03:52:15.238
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-29 04:00:40 UTC+0000
UTC Start
2025-01-29 03:52:15.238
UTC End
2025-01-29 03:53:15.246
MJD Start
60704.16128748
MJD End
60704.16198201704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0082875
Ambient temperature (°C)
17.6
Seeing (arcsec)
0.56
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 19.2320 19.2630 114.5000 114.7000
A0-D0 32.0020 32.0030 48.6000 48.8000
A0-C1 19.7340 19.7570 84.9370 85.1690
B2-D0 29.8620 29.8550 12.6000 12.7000
B2-C1 9.9450 9.9430 12.5100 12.6750
D0-C1 19.9170 19.9120 192.5700 192.7350
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 60704.16128748
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 19.232
HIERARCH ESO ISS PBL12 END 19.263
HIERARCH ESO ISS PBLA12 START 114.5
HIERARCH ESO ISS PBLA12 END 114.7
HIERARCH ESO ISS PBL13 START 32.002
HIERARCH ESO ISS PBL13 END 32.003
HIERARCH ESO ISS PBLA13 START 48.6
HIERARCH ESO ISS PBLA13 END 48.8
HIERARCH ESO ISS PBL14 START 19.734
HIERARCH ESO ISS PBL14 END 19.757
HIERARCH ESO ISS PBLA14 START 84.937
HIERARCH ESO ISS PBLA14 END 85.169
HIERARCH ESO ISS PBL23 START 29.862
HIERARCH ESO ISS PBL23 END 29.855
HIERARCH ESO ISS PBLA23 START 12.6
HIERARCH ESO ISS PBLA23 END 12.7
HIERARCH ESO ISS PBL24 START 9.945
HIERARCH ESO ISS PBL24 END 9.943
HIERARCH ESO ISS PBLA24 START 12.51
HIERARCH ESO ISS PBLA24 END 12.675
HIERARCH ESO ISS PBL34 START 19.917
HIERARCH ESO ISS PBL34 END 19.912
HIERARCH ESO ISS PBLA34 START 192.57
HIERARCH ESO ISS PBLA34 END 192.735
HIERARCH ESO ISS AMBI TAU0 START 0.00753
HIERARCH ESO ISS AMBI TAU0 END 0.009045
HIERARCH ESO ISS AMBI TEMP 17.6
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56