Exposure
ID
GRAVI.2021-12-31T04:20:18.687_1
Header ID
GRAVI.2021-12-31T04:20:18.687
Date updated
2021-12-31 04:31:10 UTC+0000
Release date
2021-12-31 04:20:18 UTC+0000
UTC Start
2021-12-31 04:20:18.687
UTC End
2021-12-31 04:22:58.687
MJD Start
59579.18077184
MJD End
59579.1826236919
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003935
Ambient temperature (°C)
14.35
Seeing (arcsec)
0.585
Observation
ID
49126
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
36761
Name
HD_44749
RA
95.460983
DEC
-34.76306
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.1230 90.1970 115.0000 115.4000
A0-J2 129.1950 129.2220 92.1000 92.5000
A0-J3 131.6110 131.4970 45.8710 46.2380
G1-J2 58.0070 57.9620 54.9000 55.3000
G1-J3 130.4000 130.3760 5.6380 5.9480
J2-J3 102.4350 102.4970 340.2360 340.5540
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 59579.18077184
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 44749
HIERARCH ESO INS SOBJ NAME HD_44749
RA 95.460983
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 J3
EXPTIME 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 90.123
HIERARCH ESO ISS PBL12 END 90.197
HIERARCH ESO ISS PBLA12 START 115.0
HIERARCH ESO ISS PBLA12 END 115.4
HIERARCH ESO ISS PBL13 START 129.195
HIERARCH ESO ISS PBL13 END 129.222
HIERARCH ESO ISS PBLA13 START 92.1
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 131.611
HIERARCH ESO ISS PBL14 END 131.497
HIERARCH ESO ISS PBLA14 START 45.871
HIERARCH ESO ISS PBLA14 END 46.238
HIERARCH ESO ISS PBL23 START 58.007
HIERARCH ESO ISS PBL23 END 57.962
HIERARCH ESO ISS PBLA23 START 54.9
HIERARCH ESO ISS PBLA23 END 55.3
HIERARCH ESO ISS PBL24 START 130.4
HIERARCH ESO ISS PBL24 END 130.376
HIERARCH ESO ISS PBLA24 START 5.638
HIERARCH ESO ISS PBLA24 END 5.948
HIERARCH ESO ISS PBL34 START 102.435
HIERARCH ESO ISS PBL34 END 102.497
HIERARCH ESO ISS PBLA34 START 340.236
HIERARCH ESO ISS PBLA34 END 340.554
HIERARCH ESO ISS AMBI TAU0 START 0.004375
HIERARCH ESO ISS AMBI TAU0 END 0.003495
HIERARCH ESO ISS AMBI TEMP 14.35
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.63