Exposure
ID
MATIS.2020-12-21T05:19:15.445_1
Header ID
MATIS.2020-12-21T05:19:15.445
Date updated
2020-12-21 05:30:45 UTC+0000
Release date
2021-12-21 05:30:45 UTC+0000
UTC Start
2020-12-21 05:19:15.445
UTC End
2020-12-21 05:20:15.421
MJD Start
59204.22170654
MJD End
59204.2224007067
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0049975
Ambient temperature (°C)
14.68
Seeing (arcsec)
0.66
Observation
ID
46198
Category
science
Program ID
106.21L4.004
Program Title
IMAGING ONE OF THE BIGGEST STARS IN THE SKY WITH MATISSE, EPISODE 3
Program Type
GTO
PI / COI
MILLOUR/ CRUZALEBES/ CHIAVASSA/ MONTARGES/ MATTER/ BRUNO/ PETROV/ LAGADEC/ HRON/ WEIGELT
Target
ID
34773
Name
alf_Ori
RA
88.793067
DEC
7.40712
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_HIGH
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.0180 66.9580 270.0000 270.0000
K0-D0 95.9780 95.9760 252.7000 252.6000
K0-J3 47.2860 47.2240 332.9990 333.1080
G2-D0 37.7320 37.7700 220.7000 220.7000
G2-J3 62.0530 62.1100 47.2300 47.2390
D0-J3 99.6320 99.7270 44.7520 44.7680
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21L4.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59204.22170654
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Ori
RA 88.793067
DEC 7.40712
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME HIGH
HIERARCH ESO INS DIN ID HIGH
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 0.0750053
HIERARCH ESO DET SEQ1 PERIOD 0.084
HIERARCH ESO DET NDIT 714
HIERARCH ESO ISS PBL12 START 67.018
HIERARCH ESO ISS PBL12 END 66.958
HIERARCH ESO ISS PBLA12 START 270.0
HIERARCH ESO ISS PBLA12 END 270.0
HIERARCH ESO ISS PBL13 START 95.978
HIERARCH ESO ISS PBL13 END 95.976
HIERARCH ESO ISS PBLA13 START 252.7
HIERARCH ESO ISS PBLA13 END 252.6
HIERARCH ESO ISS PBL14 START 47.286
HIERARCH ESO ISS PBL14 END 47.224
HIERARCH ESO ISS PBLA14 START 332.999
HIERARCH ESO ISS PBLA14 END 333.108
HIERARCH ESO ISS PBL23 START 37.732
HIERARCH ESO ISS PBL23 END 37.77
HIERARCH ESO ISS PBLA23 START 220.7
HIERARCH ESO ISS PBLA23 END 220.7
HIERARCH ESO ISS PBL24 START 62.053
HIERARCH ESO ISS PBL24 END 62.11
HIERARCH ESO ISS PBLA24 START 47.23
HIERARCH ESO ISS PBLA24 END 47.239
HIERARCH ESO ISS PBL34 START 99.632
HIERARCH ESO ISS PBL34 END 99.727
HIERARCH ESO ISS PBLA34 START 44.752
HIERARCH ESO ISS PBLA34 END 44.768
HIERARCH ESO ISS AMBI TAU0 START 0.004816
HIERARCH ESO ISS AMBI TAU0 END 0.005179
HIERARCH ESO ISS AMBI TEMP 14.68
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66