Exposure
ID
MATIS.2025-01-23T07:38:08.934_1
Header ID
MATIS.2025-01-23T07:38:08.934
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-23 07:45:42 UTC+0000
UTC Start
2025-01-23 07:38:08.934
UTC End
2025-01-23 07:39:08.942
MJD Start
60698.31815896
MJD End
60698.31885349704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00824
Ambient temperature (°C)
13.16
Seeing (arcsec)
0.535
Observation
ID
63488
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
47308
Name
l_Car
RA
146.311522
DEC
-62.50784
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.6360 67.6170 289.6000 289.8000
K0-D0 89.6660 89.5960 272.8000 273.0000
K0-J3 49.4550 49.4740 340.1850 340.3470
G2-D0 31.6850 31.6450 234.7000 234.8000
G2-J3 52.6370 52.5690 63.1020 63.2870
D0-J3 84.1090 83.9990 59.9350 60.1160
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 60698.31815896
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME l_Car
RA 146.311522
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 67.636
HIERARCH ESO ISS PBL12 END 67.617
HIERARCH ESO ISS PBLA12 START 289.6
HIERARCH ESO ISS PBLA12 END 289.8
HIERARCH ESO ISS PBL13 START 89.666
HIERARCH ESO ISS PBL13 END 89.596
HIERARCH ESO ISS PBLA13 START 272.8
HIERARCH ESO ISS PBLA13 END 273.0
HIERARCH ESO ISS PBL14 START 49.455
HIERARCH ESO ISS PBL14 END 49.474
HIERARCH ESO ISS PBLA14 START 340.185
HIERARCH ESO ISS PBLA14 END 340.347
HIERARCH ESO ISS PBL23 START 31.685
HIERARCH ESO ISS PBL23 END 31.645
HIERARCH ESO ISS PBLA23 START 234.7
HIERARCH ESO ISS PBLA23 END 234.8
HIERARCH ESO ISS PBL24 START 52.637
HIERARCH ESO ISS PBL24 END 52.569
HIERARCH ESO ISS PBLA24 START 63.102
HIERARCH ESO ISS PBLA24 END 63.287
HIERARCH ESO ISS PBL34 START 84.109
HIERARCH ESO ISS PBL34 END 83.999
HIERARCH ESO ISS PBLA34 START 59.935
HIERARCH ESO ISS PBLA34 END 60.116
HIERARCH ESO ISS AMBI TAU0 START 0.00824
HIERARCH ESO ISS AMBI TAU0 END 0.00824
HIERARCH ESO ISS AMBI TEMP 13.16
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.55