Exposure
ID
MATIS.2020-12-18T05:33:35.654_1
Header ID
MATIS.2020-12-18T05:33:35.654
Date updated
2020-12-18 05:46:13 UTC+0000
Release date
2021-12-18 05:46:12 UTC+0000
UTC Start
2020-12-18 05:33:35.654
UTC End
2020-12-18 05:34:35.630
MJD Start
59201.23166266
MJD End
59201.2323568267
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004298
Ambient temperature (°C)
12.67
Seeing (arcsec)
1.02
Observation
ID
46187
Category
science
Program ID
106.21L4.002
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 66.8660 66.8030 269.9000 269.9000
K0-D0 95.9710 95.9650 252.6000 252.5000
K0-J3 47.1310 47.0690 333.2840 333.3990
G2-D0 37.8260 37.8630 220.8000 220.8000
G2-J3 62.1940 62.2490 47.2640 47.2750
D0-J3 99.8690 99.9620 44.8030 44.8200
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.21L4.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59201.23166266
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 66.866
HIERARCH ESO ISS PBL12 END 66.803
HIERARCH ESO ISS PBLA12 START 269.9
HIERARCH ESO ISS PBLA12 END 269.9
HIERARCH ESO ISS PBL13 START 95.971
HIERARCH ESO ISS PBL13 END 95.965
HIERARCH ESO ISS PBLA13 START 252.6
HIERARCH ESO ISS PBLA13 END 252.5
HIERARCH ESO ISS PBL14 START 47.131
HIERARCH ESO ISS PBL14 END 47.069
HIERARCH ESO ISS PBLA14 START 333.284
HIERARCH ESO ISS PBLA14 END 333.399
HIERARCH ESO ISS PBL23 START 37.826
HIERARCH ESO ISS PBL23 END 37.863
HIERARCH ESO ISS PBLA23 START 220.8
HIERARCH ESO ISS PBLA23 END 220.8
HIERARCH ESO ISS PBL24 START 62.194
HIERARCH ESO ISS PBL24 END 62.249
HIERARCH ESO ISS PBLA24 START 47.264
HIERARCH ESO ISS PBLA24 END 47.275
HIERARCH ESO ISS PBL34 START 99.869
HIERARCH ESO ISS PBL34 END 99.962
HIERARCH ESO ISS PBLA34 START 44.803
HIERARCH ESO ISS PBLA34 END 44.82
HIERARCH ESO ISS AMBI TAU0 START 0.004435
HIERARCH ESO ISS AMBI TAU0 END 0.004161
HIERARCH ESO ISS AMBI TEMP 12.67
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 1.02