Exposure
ID
MATIS.2025-01-23T07:43:59.792_1
Header ID
MATIS.2025-01-23T07:43:59.792
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 07:43:59.792
UTC End
2025-01-23 07:44:59.800
MJD Start
60698.32221981
MJD End
60698.32291434704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0078405
Ambient temperature (°C)
13.15
Seeing (arcsec)
0.595
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 67.5230 67.5030 291.0000 291.2000
K0-D0 89.2580 89.1860 274.1000 274.4000
K0-J3 49.5610 49.5790 341.1320 341.3000
G2-D0 31.4480 31.4070 235.7000 235.8000
G2-J3 52.2410 52.1720 64.1850 64.3770
D0-J3 83.4730 83.3610 60.9870 61.1740
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 60698.32221981
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 67.523
HIERARCH ESO ISS PBL12 END 67.503
HIERARCH ESO ISS PBLA12 START 291.0
HIERARCH ESO ISS PBLA12 END 291.2
HIERARCH ESO ISS PBL13 START 89.258
HIERARCH ESO ISS PBL13 END 89.186
HIERARCH ESO ISS PBLA13 START 274.1
HIERARCH ESO ISS PBLA13 END 274.4
HIERARCH ESO ISS PBL14 START 49.561
HIERARCH ESO ISS PBL14 END 49.579
HIERARCH ESO ISS PBLA14 START 341.132
HIERARCH ESO ISS PBLA14 END 341.3
HIERARCH ESO ISS PBL23 START 31.448
HIERARCH ESO ISS PBL23 END 31.407
HIERARCH ESO ISS PBLA23 START 235.7
HIERARCH ESO ISS PBLA23 END 235.8
HIERARCH ESO ISS PBL24 START 52.241
HIERARCH ESO ISS PBL24 END 52.172
HIERARCH ESO ISS PBLA24 START 64.185
HIERARCH ESO ISS PBLA24 END 64.377
HIERARCH ESO ISS PBL34 START 83.473
HIERARCH ESO ISS PBL34 END 83.361
HIERARCH ESO ISS PBLA34 START 60.987
HIERARCH ESO ISS PBLA34 END 61.174
HIERARCH ESO ISS AMBI TAU0 START 0.007292
HIERARCH ESO ISS AMBI TAU0 END 0.008389
HIERARCH ESO ISS AMBI TEMP 13.15
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.56