Exposure
ID
GRAVI.2021-12-31T04:06:21.652_1
Header ID
GRAVI.2021-12-31T04:06:21.652
Date updated
2021-12-31 04:21:12 UTC+0000
Release date
2022-12-31 04:21:12 UTC+0000
UTC Start
2021-12-31 04:06:21.652
UTC End
2021-12-31 04:09:01.652
MJD Start
59579.17108393
MJD End
59579.1729357819
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0046405
Ambient temperature (°C)
14.16
Seeing (arcsec)
0.54
Observation
ID
49125
Category
science
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
36760
Name
HD__44506
RA
95.149664
DEC
-34.14404
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 89.7470 89.8550 113.4000 113.8000
A0-J2 128.9100 128.9990 90.3000 90.7000
A0-J3 132.0920 132.0200 44.1920 44.5680
G1-J2 58.1730 58.1500 53.1000 53.5000
G1-J3 130.7240 130.7070 4.2630 4.5750
J2-J3 102.3280 102.3960 338.9050 339.2130
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.222E.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59579.17108393
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 44506
HIERARCH ESO INS SOBJ NAME HD__44506
RA 95.149664
DEC -34.14404
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 89.747
HIERARCH ESO ISS PBL12 END 89.855
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.8
HIERARCH ESO ISS PBL13 START 128.91
HIERARCH ESO ISS PBL13 END 128.999
HIERARCH ESO ISS PBLA13 START 90.3
HIERARCH ESO ISS PBLA13 END 90.7
HIERARCH ESO ISS PBL14 START 132.092
HIERARCH ESO ISS PBL14 END 132.02
HIERARCH ESO ISS PBLA14 START 44.192
HIERARCH ESO ISS PBLA14 END 44.568
HIERARCH ESO ISS PBL23 START 58.173
HIERARCH ESO ISS PBL23 END 58.15
HIERARCH ESO ISS PBLA23 START 53.1
HIERARCH ESO ISS PBLA23 END 53.5
HIERARCH ESO ISS PBL24 START 130.724
HIERARCH ESO ISS PBL24 END 130.707
HIERARCH ESO ISS PBLA24 START 4.263
HIERARCH ESO ISS PBLA24 END 4.575
HIERARCH ESO ISS PBL34 START 102.328
HIERARCH ESO ISS PBL34 END 102.396
HIERARCH ESO ISS PBLA34 START 338.905
HIERARCH ESO ISS PBLA34 END 339.213
HIERARCH ESO ISS AMBI TAU0 START 0.004388
HIERARCH ESO ISS AMBI TAU0 END 0.004893
HIERARCH ESO ISS AMBI TEMP 14.16
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.53