Exposure
ID
GRAVI.2021-11-17T04:54:57.660_1
Header ID
GRAVI.2021-11-17T04:54:57.660
Date updated
2021-11-17 05:06:16 UTC+0000
Release date
2022-11-17 05:06:16 UTC+0000
UTC Start
2021-11-17 04:54:57.660
UTC End
2021-11-17 04:57:37.660
MJD Start
59535.20483403
MJD End
59535.2066858819
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004384
Ambient temperature (°C)
11.95
Seeing (arcsec)
0.63
Observation
ID
48898
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
36608
Name
HD__44506
RA
95.148323
DEC
-34.14404
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 76.5880 77.0880 98.2000 98.5000
A0-J2 112.5450 113.1760 71.3000 71.8000
A0-K0 118.3800 118.7610 48.3210 48.8940
G1-J2 56.1810 56.2700 33.2000 33.8000
G1-K0 90.4790 90.4800 8.0080 8.4210
J2-K0 46.3130 46.3740 336.8980 337.1310
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 59535.20483403
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 44506
HIERARCH ESO INS SOBJ NAME HD__44506
RA 95.148323
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 K0
EXPTIME 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 76.588
HIERARCH ESO ISS PBL12 END 77.088
HIERARCH ESO ISS PBLA12 START 98.2
HIERARCH ESO ISS PBLA12 END 98.5
HIERARCH ESO ISS PBL13 START 112.545
HIERARCH ESO ISS PBL13 END 113.176
HIERARCH ESO ISS PBLA13 START 71.3
HIERARCH ESO ISS PBLA13 END 71.8
HIERARCH ESO ISS PBL14 START 118.38
HIERARCH ESO ISS PBL14 END 118.761
HIERARCH ESO ISS PBLA14 START 48.321
HIERARCH ESO ISS PBLA14 END 48.894
HIERARCH ESO ISS PBL23 START 56.181
HIERARCH ESO ISS PBL23 END 56.27
HIERARCH ESO ISS PBLA23 START 33.2
HIERARCH ESO ISS PBLA23 END 33.8
HIERARCH ESO ISS PBL24 START 90.479
HIERARCH ESO ISS PBL24 END 90.48
HIERARCH ESO ISS PBLA24 START 8.008
HIERARCH ESO ISS PBLA24 END 8.421
HIERARCH ESO ISS PBL34 START 46.313
HIERARCH ESO ISS PBL34 END 46.374
HIERARCH ESO ISS PBLA34 START 336.898
HIERARCH ESO ISS PBLA34 END 337.131
HIERARCH ESO ISS AMBI TAU0 START 0.004047
HIERARCH ESO ISS AMBI TAU0 END 0.004721
HIERARCH ESO ISS AMBI TEMP 11.95
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.6