Exposure
ID
MATIS.2025-02-02T08:25:24.841_1
Header ID
MATIS.2025-02-02T08:25:24.841
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-02-02 08:35:49 UTC+0000
UTC Start
2025-02-02 08:25:24.841
UTC End
2025-02-02 08:26:24.849
MJD Start
60708.35098196
MJD End
60708.35167649704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006906
Ambient temperature (°C)
14.79
Seeing (arcsec)
0.6399999999999999
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 90.4990 90.5010 147.1000 147.4000
A0-J2 124.2140 124.1590 131.0000 131.2000
A0-K0 110.1860 110.0630 113.2000 113.4510
G1-J2 45.0160 44.9410 96.9000 97.1000
G1-K0 61.5090 61.3940 57.9990 58.1550
J2-K0 38.7400 38.7280 11.1220 11.2590
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 60708.35098196
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 90.499
HIERARCH ESO ISS PBL12 END 90.501
HIERARCH ESO ISS PBLA12 START 147.1
HIERARCH ESO ISS PBLA12 END 147.4
HIERARCH ESO ISS PBL13 START 124.214
HIERARCH ESO ISS PBL13 END 124.159
HIERARCH ESO ISS PBLA13 START 131.0
HIERARCH ESO ISS PBLA13 END 131.2
HIERARCH ESO ISS PBL14 START 110.186
HIERARCH ESO ISS PBL14 END 110.063
HIERARCH ESO ISS PBLA14 START 113.2
HIERARCH ESO ISS PBLA14 END 113.451
HIERARCH ESO ISS PBL23 START 45.016
HIERARCH ESO ISS PBL23 END 44.941
HIERARCH ESO ISS PBLA23 START 96.9
HIERARCH ESO ISS PBLA23 END 97.1
HIERARCH ESO ISS PBL24 START 61.509
HIERARCH ESO ISS PBL24 END 61.394
HIERARCH ESO ISS PBLA24 START 57.999
HIERARCH ESO ISS PBLA24 END 58.155
HIERARCH ESO ISS PBL34 START 38.74
HIERARCH ESO ISS PBL34 END 38.728
HIERARCH ESO ISS PBLA34 START 11.122
HIERARCH ESO ISS PBLA34 END 11.259
HIERARCH ESO ISS AMBI TAU0 START 0.006265
HIERARCH ESO ISS AMBI TAU0 END 0.007547
HIERARCH ESO ISS AMBI TEMP 14.79
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.58