Exposure
ID
MATIS.2025-01-23T07:47:44.713_1
Header ID
MATIS.2025-01-23T07:47:44.713
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-23 07:55:41 UTC+0000
UTC Start
2025-01-23 07:47:44.713
UTC End
2025-01-23 07:48:44.721
MJD Start
60698.32482307
MJD End
60698.32551760704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.007174
Ambient temperature (°C)
13.18
Seeing (arcsec)
0.6
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 67.4470 67.4260 291.8000 292.0000
K0-D0 88.9900 88.9170 275.0000 275.2000
K0-J3 49.6270 49.6440 341.7440 341.9070
G2-D0 31.2930 31.2510 236.3000 236.5000
G2-J3 51.9820 51.9120 64.8870 65.0740
D0-J3 83.0570 82.9430 61.6680 61.8490
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 60698.32482307
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 67.447
HIERARCH ESO ISS PBL12 END 67.426
HIERARCH ESO ISS PBLA12 START 291.8
HIERARCH ESO ISS PBLA12 END 292.0
HIERARCH ESO ISS PBL13 START 88.99
HIERARCH ESO ISS PBL13 END 88.917
HIERARCH ESO ISS PBLA13 START 275.0
HIERARCH ESO ISS PBLA13 END 275.2
HIERARCH ESO ISS PBL14 START 49.627
HIERARCH ESO ISS PBL14 END 49.644
HIERARCH ESO ISS PBLA14 START 341.744
HIERARCH ESO ISS PBLA14 END 341.907
HIERARCH ESO ISS PBL23 START 31.293
HIERARCH ESO ISS PBL23 END 31.251
HIERARCH ESO ISS PBLA23 START 236.3
HIERARCH ESO ISS PBLA23 END 236.5
HIERARCH ESO ISS PBL24 START 51.982
HIERARCH ESO ISS PBL24 END 51.912
HIERARCH ESO ISS PBLA24 START 64.887
HIERARCH ESO ISS PBLA24 END 65.074
HIERARCH ESO ISS PBL34 START 83.057
HIERARCH ESO ISS PBL34 END 82.943
HIERARCH ESO ISS PBLA34 START 61.668
HIERARCH ESO ISS PBLA34 END 61.849
HIERARCH ESO ISS AMBI TAU0 START 0.007765
HIERARCH ESO ISS AMBI TAU0 END 0.006583
HIERARCH ESO ISS AMBI TEMP 13.18
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.62