Exposure
ID
GRAVI.2021-11-17T04:51:45.653_1
Header ID
GRAVI.2021-11-17T04:51:45.653
Date updated
2021-11-17 05:01:14 UTC+0000
Release date
2022-11-17 05:01:14 UTC+0000
UTC Start
2021-11-17 04:51:45.653
UTC End
2021-11-17 04:54:25.653
MJD Start
59535.20261172
MJD End
59535.2044635719
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004144
Ambient temperature (°C)
11.92
Seeing (arcsec)
0.66
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 76.0330 76.5420 97.8000 98.1000
A0-J2 111.8460 112.4870 70.7000 71.2000
A0-K0 117.9590 118.3450 47.6890 48.2680
G1-J2 56.0850 56.1730 32.6000 33.2000
G1-K0 90.4780 90.4790 7.5570 7.9700
J2-K0 46.2450 46.3070 336.6470 336.8770
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 59535.20261172
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 76.033
HIERARCH ESO ISS PBL12 END 76.542
HIERARCH ESO ISS PBLA12 START 97.8
HIERARCH ESO ISS PBLA12 END 98.1
HIERARCH ESO ISS PBL13 START 111.846
HIERARCH ESO ISS PBL13 END 112.487
HIERARCH ESO ISS PBLA13 START 70.7
HIERARCH ESO ISS PBLA13 END 71.2
HIERARCH ESO ISS PBL14 START 117.959
HIERARCH ESO ISS PBL14 END 118.345
HIERARCH ESO ISS PBLA14 START 47.689
HIERARCH ESO ISS PBLA14 END 48.268
HIERARCH ESO ISS PBL23 START 56.085
HIERARCH ESO ISS PBL23 END 56.173
HIERARCH ESO ISS PBLA23 START 32.6
HIERARCH ESO ISS PBLA23 END 33.2
HIERARCH ESO ISS PBL24 START 90.478
HIERARCH ESO ISS PBL24 END 90.479
HIERARCH ESO ISS PBLA24 START 7.557
HIERARCH ESO ISS PBLA24 END 7.97
HIERARCH ESO ISS PBL34 START 46.245
HIERARCH ESO ISS PBL34 END 46.307
HIERARCH ESO ISS PBLA34 START 336.647
HIERARCH ESO ISS PBLA34 END 336.877
HIERARCH ESO ISS AMBI TAU0 START 0.004241
HIERARCH ESO ISS AMBI TAU0 END 0.004047
HIERARCH ESO ISS AMBI TEMP 11.92
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66