Exposure
ID
GRAVI.2021-11-17T04:45:03.635_1
Header ID
GRAVI.2021-11-17T04:45:03.635
Date updated
2021-11-17 04:56:08 UTC+0000
Release date
2022-11-17 04:56:08 UTC+0000
UTC Start
2021-11-17 04:45:03.635
UTC End
2021-11-17 04:47:43.635
MJD Start
59535.19795874
MJD End
59535.1998105919
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003799
Ambient temperature (°C)
11.96
Seeing (arcsec)
0.825
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 74.8240 75.3540 97.0000 97.3000
A0-J2 110.3330 110.9950 69.5000 70.0000
A0-K0 117.0550 117.4490 46.3310 46.9230
G1-J2 55.8780 55.9680 31.3000 31.9000
G1-K0 90.4760 90.4770 6.5990 7.0140
J2-K0 46.0950 46.1610 336.1240 336.3490
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 59535.19795874
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 74.824
HIERARCH ESO ISS PBL12 END 75.354
HIERARCH ESO ISS PBLA12 START 97.0
HIERARCH ESO ISS PBLA12 END 97.3
HIERARCH ESO ISS PBL13 START 110.333
HIERARCH ESO ISS PBL13 END 110.995
HIERARCH ESO ISS PBLA13 START 69.5
HIERARCH ESO ISS PBLA13 END 70.0
HIERARCH ESO ISS PBL14 START 117.055
HIERARCH ESO ISS PBL14 END 117.449
HIERARCH ESO ISS PBLA14 START 46.331
HIERARCH ESO ISS PBLA14 END 46.923
HIERARCH ESO ISS PBL23 START 55.878
HIERARCH ESO ISS PBL23 END 55.968
HIERARCH ESO ISS PBLA23 START 31.3
HIERARCH ESO ISS PBLA23 END 31.9
HIERARCH ESO ISS PBL24 START 90.476
HIERARCH ESO ISS PBL24 END 90.477
HIERARCH ESO ISS PBLA24 START 6.599
HIERARCH ESO ISS PBLA24 END 7.014
HIERARCH ESO ISS PBL34 START 46.095
HIERARCH ESO ISS PBL34 END 46.161
HIERARCH ESO ISS PBLA34 START 336.124
HIERARCH ESO ISS PBLA34 END 336.349
HIERARCH ESO ISS AMBI TAU0 START 0.004007
HIERARCH ESO ISS AMBI TAU0 END 0.003591
HIERARCH ESO ISS AMBI TEMP 11.96
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.87