Exposure
ID
GRAVI.2021-11-17T05:13:45.708_1
Header ID
GRAVI.2021-11-17T05:13:45.708
Date updated
2021-11-17 05:26:04 UTC+0000
Release date
2021-11-17 05:13:45 UTC+0000
UTC Start
2021-11-17 05:13:45.708
UTC End
2021-11-17 05:16:25.708
MJD Start
59535.21789014
MJD End
59535.2197419919
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003362
Ambient temperature (°C)
11.54
Seeing (arcsec)
0.725
Observation
ID
48899
Category
calibrator
Program ID
108.222E.001
Program Title
THE ORIGIN OF BE STARS AND THE ELUSIVE MASSIVE HELIUM STARS
Program Type
Normal
PI / COI
SHENAR/ BODENSTEINER/ SANA/ DSILVA/ LANGER/ SCHÜRMANN/ OSKINOVA/ MAHY/ LANTHERMANN/ BORDIER/ FROST/ MARCHANT/ GILKIS/ KLUSKA
Target
ID
36609
Name
HD_44749
RA
95.459631
DEC
-34.76306
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 79.3800 79.8210 100.0000 100.3000
A0-J2 116.3600 116.9180 74.0000 74.5000
A0-K0 120.8920 121.2320 51.5190 52.0600
G1-J2 56.8130 56.8910 36.4000 36.9000
G1-K0 90.4680 90.4650 10.4790 10.8840
J2-K0 46.5190 46.5740 338.2630 338.5090
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.222E.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59535.21789014
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 44749
HIERARCH ESO INS SOBJ NAME HD_44749
RA 95.459631
DEC -34.76306
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 79.38
HIERARCH ESO ISS PBL12 END 79.821
HIERARCH ESO ISS PBLA12 START 100.0
HIERARCH ESO ISS PBLA12 END 100.3
HIERARCH ESO ISS PBL13 START 116.36
HIERARCH ESO ISS PBL13 END 116.918
HIERARCH ESO ISS PBLA13 START 74.0
HIERARCH ESO ISS PBLA13 END 74.5
HIERARCH ESO ISS PBL14 START 120.892
HIERARCH ESO ISS PBL14 END 121.232
HIERARCH ESO ISS PBLA14 START 51.519
HIERARCH ESO ISS PBLA14 END 52.06
HIERARCH ESO ISS PBL23 START 56.813
HIERARCH ESO ISS PBL23 END 56.891
HIERARCH ESO ISS PBLA23 START 36.4
HIERARCH ESO ISS PBLA23 END 36.9
HIERARCH ESO ISS PBL24 START 90.468
HIERARCH ESO ISS PBL24 END 90.465
HIERARCH ESO ISS PBLA24 START 10.479
HIERARCH ESO ISS PBLA24 END 10.884
HIERARCH ESO ISS PBL34 START 46.519
HIERARCH ESO ISS PBL34 END 46.574
HIERARCH ESO ISS PBLA34 START 338.263
HIERARCH ESO ISS PBLA34 END 338.509
HIERARCH ESO ISS AMBI TAU0 START 0.003757
HIERARCH ESO ISS AMBI TAU0 END 0.002967
HIERARCH ESO ISS AMBI TEMP 11.54
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.78