Exposure
ID
MATIS.2025-03-05T04:20:09.517_1
Header ID
MATIS.2025-03-05T04:20:09.517
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-05 04:30:47 UTC+0000
UTC Start
2025-03-05 04:20:09.517
UTC End
2025-03-05 04:21:09.525
MJD Start
60739.18066571
MJD End
60739.18136024704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0046225
Ambient temperature (°C)
14.55
Seeing (arcsec)
1.0050000000000001
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 22.7580 22.7720 143.8000 144.0000
A0-D0 30.6600 30.6410 84.7000 84.9000
A0-C1 22.2090 22.2170 120.5610 120.7800
B2-D0 27.2480 27.2220 38.8000 39.0000
B2-C1 9.0750 9.0660 38.7960 38.9570
D0-C1 18.1730 18.1550 218.8730 219.0340
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 60739.18066571
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 22.758
HIERARCH ESO ISS PBL12 END 22.772
HIERARCH ESO ISS PBLA12 START 143.8
HIERARCH ESO ISS PBLA12 END 144.0
HIERARCH ESO ISS PBL13 START 30.66
HIERARCH ESO ISS PBL13 END 30.641
HIERARCH ESO ISS PBLA13 START 84.7
HIERARCH ESO ISS PBLA13 END 84.9
HIERARCH ESO ISS PBL14 START 22.209
HIERARCH ESO ISS PBL14 END 22.217
HIERARCH ESO ISS PBLA14 START 120.561
HIERARCH ESO ISS PBLA14 END 120.78
HIERARCH ESO ISS PBL23 START 27.248
HIERARCH ESO ISS PBL23 END 27.222
HIERARCH ESO ISS PBLA23 START 38.8
HIERARCH ESO ISS PBLA23 END 39.0
HIERARCH ESO ISS PBL24 START 9.075
HIERARCH ESO ISS PBL24 END 9.066
HIERARCH ESO ISS PBLA24 START 38.796
HIERARCH ESO ISS PBLA24 END 38.957
HIERARCH ESO ISS PBL34 START 18.173
HIERARCH ESO ISS PBL34 END 18.155
HIERARCH ESO ISS PBLA34 START 218.873
HIERARCH ESO ISS PBLA34 END 219.034
HIERARCH ESO ISS AMBI TAU0 START 0.004877
HIERARCH ESO ISS AMBI TAU0 END 0.004368
HIERARCH ESO ISS AMBI TEMP 14.55
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 1.08