Exposure
ID
MATIS.2025-02-02T08:18:07.281_1
Header ID
MATIS.2025-02-02T08:18:07.281
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-02-02 08:25:52 UTC+0000
UTC Start
2025-02-02 08:18:07.281
UTC End
2025-02-02 08:19:07.289
MJD Start
60708.3459176
MJD End
60708.346612137044
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006902999999999999
Ambient temperature (°C)
15.03
Seeing (arcsec)
0.615
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 90.4860 90.4880 145.5000 145.7000
A0-J2 124.6070 124.5530 129.2000 129.4000
A0-K0 111.0600 110.9390 111.3910 111.6390
G1-J2 45.5510 45.4770 95.2000 95.4000
G1-K0 62.3250 62.2130 56.8580 57.0140
J2-K0 38.8190 38.8090 10.1240 10.2610
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 60708.3459176
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 90.486
HIERARCH ESO ISS PBL12 END 90.488
HIERARCH ESO ISS PBLA12 START 145.5
HIERARCH ESO ISS PBLA12 END 145.7
HIERARCH ESO ISS PBL13 START 124.607
HIERARCH ESO ISS PBL13 END 124.553
HIERARCH ESO ISS PBLA13 START 129.2
HIERARCH ESO ISS PBLA13 END 129.4
HIERARCH ESO ISS PBL14 START 111.06
HIERARCH ESO ISS PBL14 END 110.939
HIERARCH ESO ISS PBLA14 START 111.391
HIERARCH ESO ISS PBLA14 END 111.639
HIERARCH ESO ISS PBL23 START 45.551
HIERARCH ESO ISS PBL23 END 45.477
HIERARCH ESO ISS PBLA23 START 95.2
HIERARCH ESO ISS PBLA23 END 95.4
HIERARCH ESO ISS PBL24 START 62.325
HIERARCH ESO ISS PBL24 END 62.213
HIERARCH ESO ISS PBLA24 START 56.858
HIERARCH ESO ISS PBLA24 END 57.014
HIERARCH ESO ISS PBL34 START 38.819
HIERARCH ESO ISS PBL34 END 38.809
HIERARCH ESO ISS PBLA34 START 10.124
HIERARCH ESO ISS PBLA34 END 10.261
HIERARCH ESO ISS AMBI TAU0 START 0.006333
HIERARCH ESO ISS AMBI TAU0 END 0.007473
HIERARCH ESO ISS AMBI TEMP 15.03
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.55