Exposure
ID
MATIS.2025-01-23T05:09:50.301_1
Header ID
MATIS.2025-01-23T05:09:50.301
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 05:09:50.301
UTC End
2025-01-23 05:10:50.309
MJD Start
60698.21516552
MJD End
60698.21586005704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0095735
Ambient temperature (°C)
14.32
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 67.5870 67.6070 256.4000 256.6000
K0-D0 95.6830 95.6700 240.5000 240.7000
K0-J3 44.5990 44.6480 316.5270 316.6840
G2-D0 35.8650 35.8480 209.3000 209.5000
G2-J3 59.6250 59.5950 35.9460 36.1300
D0-J3 95.3390 95.2910 33.4510 33.6310
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 60698.21516552
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 67.587
HIERARCH ESO ISS PBL12 END 67.607
HIERARCH ESO ISS PBLA12 START 256.4
HIERARCH ESO ISS PBLA12 END 256.6
HIERARCH ESO ISS PBL13 START 95.683
HIERARCH ESO ISS PBL13 END 95.67
HIERARCH ESO ISS PBLA13 START 240.5
HIERARCH ESO ISS PBLA13 END 240.7
HIERARCH ESO ISS PBL14 START 44.599
HIERARCH ESO ISS PBL14 END 44.648
HIERARCH ESO ISS PBLA14 START 316.527
HIERARCH ESO ISS PBLA14 END 316.684
HIERARCH ESO ISS PBL23 START 35.865
HIERARCH ESO ISS PBL23 END 35.848
HIERARCH ESO ISS PBLA23 START 209.3
HIERARCH ESO ISS PBLA23 END 209.5
HIERARCH ESO ISS PBL24 START 59.625
HIERARCH ESO ISS PBL24 END 59.595
HIERARCH ESO ISS PBLA24 START 35.946
HIERARCH ESO ISS PBLA24 END 36.13
HIERARCH ESO ISS PBL34 START 95.339
HIERARCH ESO ISS PBL34 END 95.291
HIERARCH ESO ISS PBLA34 START 33.451
HIERARCH ESO ISS PBLA34 END 33.631
HIERARCH ESO ISS AMBI TAU0 START 0.008871
HIERARCH ESO ISS AMBI TAU0 END 0.010276
HIERARCH ESO ISS AMBI TEMP 14.32
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6