Exposure
ID
GRAVI.2022-01-01T07:44:10.119_1
Header ID
GRAVI.2022-01-01T07:44:10.119
Date updated
2022-01-01 08:01:33 UTC+0000
Release date
2022-01-01 07:44:10 UTC+0000
UTC Start
2022-01-01 07:44:10.119
UTC End
2022-01-01 07:48:26.119
MJD Start
59580.32233934
MJD End
59580.325302303
Exposure time (s)
256.0
Validation level
1
Tau 0: Coherence time (s)
0.003924
Ambient temperature (°C)
14.59
Seeing (arcsec)
1.075
Observation
ID
49142
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
36774
Name
HD_110432
RA
189.866243
DEC
-63.80854
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 74.2250 74.7030 71.4000 72.6000
A0-J2 121.7050 122.0370 51.6000 52.8000
A0-J3 127.9790 127.8650 19.4360 20.4360
G1-J2 57.6310 57.5950 25.7000 26.8000
G1-J3 100.8450 101.0710 344.0370 344.7210
J2-J3 69.3530 69.9240 310.4930 311.2290
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 59580.32233934
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 109951
HIERARCH ESO INS SOBJ NAME HD_110432
RA 189.866243
DEC -63.80854
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 304.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 256
HIERARCH ESO ISS PBL12 START 74.225
HIERARCH ESO ISS PBL12 END 74.703
HIERARCH ESO ISS PBLA12 START 71.4
HIERARCH ESO ISS PBLA12 END 72.6
HIERARCH ESO ISS PBL13 START 121.705
HIERARCH ESO ISS PBL13 END 122.037
HIERARCH ESO ISS PBLA13 START 51.6
HIERARCH ESO ISS PBLA13 END 52.8
HIERARCH ESO ISS PBL14 START 127.979
HIERARCH ESO ISS PBL14 END 127.865
HIERARCH ESO ISS PBLA14 START 19.436
HIERARCH ESO ISS PBLA14 END 20.436
HIERARCH ESO ISS PBL23 START 57.631
HIERARCH ESO ISS PBL23 END 57.595
HIERARCH ESO ISS PBLA23 START 25.7
HIERARCH ESO ISS PBLA23 END 26.8
HIERARCH ESO ISS PBL24 START 100.845
HIERARCH ESO ISS PBL24 END 101.071
HIERARCH ESO ISS PBLA24 START 344.037
HIERARCH ESO ISS PBLA24 END 344.721
HIERARCH ESO ISS PBL34 START 69.353
HIERARCH ESO ISS PBL34 END 69.924
HIERARCH ESO ISS PBLA34 START 310.493
HIERARCH ESO ISS PBLA34 END 311.229
HIERARCH ESO ISS AMBI TAU0 START 0.004342
HIERARCH ESO ISS AMBI TAU0 END 0.003506
HIERARCH ESO ISS AMBI TEMP 14.59
HIERARCH ESO ISS AMBI FWHM START 1.04
HIERARCH ESO ISS AMBI FWHM END 1.11