Exposure
ID
MATIS.2021-11-24T01:45:33.731_1
Header ID
MATIS.2021-11-24T01:45:33.731
Date updated
2021-11-24 01:56:41 UTC+0000
Release date
2022-11-24 01:56:41 UTC+0000
UTC Start
2021-11-24 01:45:33.731
UTC End
2021-11-24 01:46:36.283
MJD Start
59542.07330707
MJD End
59542.0740310515
Exposure time (s)
62.6
Validation level
1
Tau 0: Coherence time (s)
0.005532
Ambient temperature (°C)
14.5
Seeing (arcsec)
0.72
Observation
ID
48987
Category
science
Program ID
108.229P.001
Program Title
THE MYSTERIOUS ORIGIN OF EXTREME DEBRIS DISKS REVEALED BY MID-INFRARED INTERFEROMETRY
Program Type
Normal
PI / COI
VARGA/ ABRAHAM/ CHEN/ KOSPAL/ SU/ HENNING/ PAWELLEK/ MOOR/ CRUZ-SAENZ DE MIERA/ WHITE/ AUGEREAU/ RATZKA/ WOLF/ PANTIN/ HOGERHEIJDE/ BRUNO/ HOFMANN/ MATTER/ WEIGELT/ DOMINIK/ JAFFE/ SCHERTL/ WATERS/ KLARMANN/ YOFFE/ KOKOULINA/ VAN BOEKEL/ MILLOUR/ PÉRONNE
Target
ID
36661
Name
BD+20_307
RA
28.709969
DEC
21.30613
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.6900 67.7300 274.7000 274.6000
K0-D0 88.7090 88.8640 259.5000 259.5000
K0-J3 46.7210 46.6350 321.7150 321.7520
G2-D0 29.3280 29.4080 222.4000 222.5000
G2-J3 49.5190 49.6580 51.0630 51.0950
D0-J3 78.6360 78.8560 47.8380 47.8860
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.229P.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59542.07330707
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME BD+20_307
RA 28.709969
DEC 21.30613
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 1.0
HIERARCH ESO DET SEQ1 PERIOD 1.117
HIERARCH ESO DET NDIT 56
HIERARCH ESO ISS PBL12 START 67.69
HIERARCH ESO ISS PBL12 END 67.73
HIERARCH ESO ISS PBLA12 START 274.7
HIERARCH ESO ISS PBLA12 END 274.6
HIERARCH ESO ISS PBL13 START 88.709
HIERARCH ESO ISS PBL13 END 88.864
HIERARCH ESO ISS PBLA13 START 259.5
HIERARCH ESO ISS PBLA13 END 259.5
HIERARCH ESO ISS PBL14 START 46.721
HIERARCH ESO ISS PBL14 END 46.635
HIERARCH ESO ISS PBLA14 START 321.715
HIERARCH ESO ISS PBLA14 END 321.752
HIERARCH ESO ISS PBL23 START 29.328
HIERARCH ESO ISS PBL23 END 29.408
HIERARCH ESO ISS PBLA23 START 222.4
HIERARCH ESO ISS PBLA23 END 222.5
HIERARCH ESO ISS PBL24 START 49.519
HIERARCH ESO ISS PBL24 END 49.658
HIERARCH ESO ISS PBLA24 START 51.063
HIERARCH ESO ISS PBLA24 END 51.095
HIERARCH ESO ISS PBL34 START 78.636
HIERARCH ESO ISS PBL34 END 78.856
HIERARCH ESO ISS PBLA34 START 47.838
HIERARCH ESO ISS PBLA34 END 47.886
HIERARCH ESO ISS AMBI TAU0 START 0.005532
HIERARCH ESO ISS AMBI TAU0 END 0.005532
HIERARCH ESO ISS AMBI TEMP 14.5
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.72