Exposure
ID
GRAVI.2021-12-31T04:23:30.695_1
Header ID
GRAVI.2021-12-31T04:23:30.695
Date updated
2021-12-31 04:36:19 UTC+0000
Release date
2021-12-31 04:23:30 UTC+0000
UTC Start
2021-12-31 04:23:30.695
UTC End
2021-12-31 04:26:10.695
MJD Start
59579.18299416
MJD End
59579.1848460119
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003972
Ambient temperature (°C)
14.59
Seeing (arcsec)
0.59
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 90.2050 90.2710 115.5000 115.9000
A0-J2 129.2240 129.2350 92.6000 93.0000
A0-J3 131.4850 131.3620 46.2780 46.6420
G1-J2 57.9560 57.9060 55.3000 55.7000
G1-J3 130.3730 130.3470 5.9820 6.2910
J2-J3 102.5040 102.5630 340.5880 340.9080
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 59579.18299416
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 90.205
HIERARCH ESO ISS PBL12 END 90.271
HIERARCH ESO ISS PBLA12 START 115.5
HIERARCH ESO ISS PBLA12 END 115.9
HIERARCH ESO ISS PBL13 START 129.224
HIERARCH ESO ISS PBL13 END 129.235
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 93.0
HIERARCH ESO ISS PBL14 START 131.485
HIERARCH ESO ISS PBL14 END 131.362
HIERARCH ESO ISS PBLA14 START 46.278
HIERARCH ESO ISS PBLA14 END 46.642
HIERARCH ESO ISS PBL23 START 57.956
HIERARCH ESO ISS PBL23 END 57.906
HIERARCH ESO ISS PBLA23 START 55.3
HIERARCH ESO ISS PBLA23 END 55.7
HIERARCH ESO ISS PBL24 START 130.373
HIERARCH ESO ISS PBL24 END 130.347
HIERARCH ESO ISS PBLA24 START 5.982
HIERARCH ESO ISS PBLA24 END 6.291
HIERARCH ESO ISS PBL34 START 102.504
HIERARCH ESO ISS PBL34 END 102.563
HIERARCH ESO ISS PBLA34 START 340.588
HIERARCH ESO ISS PBLA34 END 340.908
HIERARCH ESO ISS AMBI TAU0 START 0.004174
HIERARCH ESO ISS AMBI TAU0 END 0.00377
HIERARCH ESO ISS AMBI TEMP 14.59
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.62