Exposure
ID
MATIS.2025-01-23T05:12:34.731_1
Header ID
MATIS.2025-01-23T05:12:34.731
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-23 05:20:41 UTC+0000
UTC Start
2025-01-23 05:12:34.731
UTC End
2025-01-23 05:13:34.791
MJD Start
60698.21706865
MJD End
60698.21776378889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0096325
Ambient temperature (°C)
14.3
Seeing (arcsec)
0.565
Observation
ID
63487
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.6400 67.6600 257.0000 257.2000
K0-D0 95.6460 95.6320 241.0000 241.3000
K0-J3 44.7300 44.7780 316.9570 317.1140
G2-D0 35.8170 35.7990 209.8000 209.9000
G2-J3 59.5440 59.5140 36.4490 36.6330
D0-J3 95.2100 95.1610 33.9430 34.1220
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 60698.21706865
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME l_Car
RA 146.311522
DEC -62.50784
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.0751997
HIERARCH ESO DET SEQ1 PERIOD 0.156
HIERARCH ESO DET NDIT 385
HIERARCH ESO ISS PBL12 START 67.64
HIERARCH ESO ISS PBL12 END 67.66
HIERARCH ESO ISS PBLA12 START 257.0
HIERARCH ESO ISS PBLA12 END 257.2
HIERARCH ESO ISS PBL13 START 95.646
HIERARCH ESO ISS PBL13 END 95.632
HIERARCH ESO ISS PBLA13 START 241.0
HIERARCH ESO ISS PBLA13 END 241.3
HIERARCH ESO ISS PBL14 START 44.73
HIERARCH ESO ISS PBL14 END 44.778
HIERARCH ESO ISS PBLA14 START 316.957
HIERARCH ESO ISS PBLA14 END 317.114
HIERARCH ESO ISS PBL23 START 35.817
HIERARCH ESO ISS PBL23 END 35.799
HIERARCH ESO ISS PBLA23 START 209.8
HIERARCH ESO ISS PBLA23 END 209.9
HIERARCH ESO ISS PBL24 START 59.544
HIERARCH ESO ISS PBL24 END 59.514
HIERARCH ESO ISS PBLA24 START 36.449
HIERARCH ESO ISS PBLA24 END 36.633
HIERARCH ESO ISS PBL34 START 95.21
HIERARCH ESO ISS PBL34 END 95.161
HIERARCH ESO ISS PBLA34 START 33.943
HIERARCH ESO ISS PBLA34 END 34.122
HIERARCH ESO ISS AMBI TAU0 START 0.009471
HIERARCH ESO ISS AMBI TAU0 END 0.009794
HIERARCH ESO ISS AMBI TEMP 14.3
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.52