Exposure
ID
MATIS.2025-01-23T05:11:12.257_1
Header ID
MATIS.2025-01-23T05:11:12.257
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 05:11:12.257
UTC End
2025-01-23 05:12:12.265
MJD Start
60698.21611408
MJD End
60698.21680861704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0098735
Ambient temperature (°C)
14.31
Seeing (arcsec)
0.605
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 67.6140 67.6340 256.7000 256.9000
K0-D0 95.6650 95.6510 240.8000 241.0000
K0-J3 44.6650 44.7140 316.7420 316.8980
G2-D0 35.8410 35.8230 209.5000 209.7000
G2-J3 59.5850 59.5540 36.1970 36.3810
D0-J3 95.2750 95.2260 33.6970 33.8760
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 60698.21611408
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 67.614
HIERARCH ESO ISS PBL12 END 67.634
HIERARCH ESO ISS PBLA12 START 256.7
HIERARCH ESO ISS PBLA12 END 256.9
HIERARCH ESO ISS PBL13 START 95.665
HIERARCH ESO ISS PBL13 END 95.651
HIERARCH ESO ISS PBLA13 START 240.8
HIERARCH ESO ISS PBLA13 END 241.0
HIERARCH ESO ISS PBL14 START 44.665
HIERARCH ESO ISS PBL14 END 44.714
HIERARCH ESO ISS PBLA14 START 316.742
HIERARCH ESO ISS PBLA14 END 316.898
HIERARCH ESO ISS PBL23 START 35.841
HIERARCH ESO ISS PBL23 END 35.823
HIERARCH ESO ISS PBLA23 START 209.5
HIERARCH ESO ISS PBLA23 END 209.7
HIERARCH ESO ISS PBL24 START 59.585
HIERARCH ESO ISS PBL24 END 59.554
HIERARCH ESO ISS PBLA24 START 36.197
HIERARCH ESO ISS PBLA24 END 36.381
HIERARCH ESO ISS PBL34 START 95.275
HIERARCH ESO ISS PBL34 END 95.226
HIERARCH ESO ISS PBLA34 START 33.697
HIERARCH ESO ISS PBLA34 END 33.876
HIERARCH ESO ISS AMBI TAU0 START 0.010276
HIERARCH ESO ISS AMBI TAU0 END 0.009471
HIERARCH ESO ISS AMBI TEMP 14.31
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.61