Exposure
ID
MATIS.2025-01-23T07:45:11.803_1
Header ID
MATIS.2025-01-23T07:45:11.803
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-01-23 07:50:56 UTC+0000
UTC Start
2025-01-23 07:45:11.803
UTC End
2025-01-23 07:46:11.811
MJD Start
60698.32305328
MJD End
60698.32374781704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.008077
Ambient temperature (°C)
13.17
Seeing (arcsec)
0.5700000000000001
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 67.4990 67.4790 291.2000 291.5000
K0-D0 89.1730 89.1000 274.4000 274.6000
K0-J3 49.5830 49.6000 341.3270 341.4950
G2-D0 31.3990 31.3570 235.9000 236.1000
G2-J3 52.1590 52.0890 64.4090 64.6010
D0-J3 83.3410 83.2280 61.2040 61.3910
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 60698.32305328
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 67.499
HIERARCH ESO ISS PBL12 END 67.479
HIERARCH ESO ISS PBLA12 START 291.2
HIERARCH ESO ISS PBLA12 END 291.5
HIERARCH ESO ISS PBL13 START 89.173
HIERARCH ESO ISS PBL13 END 89.1
HIERARCH ESO ISS PBLA13 START 274.4
HIERARCH ESO ISS PBLA13 END 274.6
HIERARCH ESO ISS PBL14 START 49.583
HIERARCH ESO ISS PBL14 END 49.6
HIERARCH ESO ISS PBLA14 START 341.327
HIERARCH ESO ISS PBLA14 END 341.495
HIERARCH ESO ISS PBL23 START 31.399
HIERARCH ESO ISS PBL23 END 31.357
HIERARCH ESO ISS PBLA23 START 235.9
HIERARCH ESO ISS PBLA23 END 236.1
HIERARCH ESO ISS PBL24 START 52.159
HIERARCH ESO ISS PBL24 END 52.089
HIERARCH ESO ISS PBLA24 START 64.409
HIERARCH ESO ISS PBLA24 END 64.601
HIERARCH ESO ISS PBL34 START 83.341
HIERARCH ESO ISS PBL34 END 83.228
HIERARCH ESO ISS PBLA34 START 61.204
HIERARCH ESO ISS PBLA34 END 61.391
HIERARCH ESO ISS AMBI TAU0 START 0.008389
HIERARCH ESO ISS AMBI TAU0 END 0.007765
HIERARCH ESO ISS AMBI TEMP 13.17
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.58