Exposure
ID
GRAVI.2021-12-31T04:03:09.644_1
Header ID
GRAVI.2021-12-31T04:03:09.644
Date updated
2021-12-31 04:16:17 UTC+0000
Release date
2022-12-31 04:16:16 UTC+0000
UTC Start
2021-12-31 04:03:09.644
UTC End
2021-12-31 04:05:49.644
MJD Start
59579.16886162
MJD End
59579.1707134719
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0041955
Ambient temperature (°C)
14.13
Seeing (arcsec)
0.6
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 89.6170 89.7350 113.0000 113.4000
A0-J2 128.7960 128.9010 89.9000 90.3000
A0-J3 132.1620 132.0990 43.7760 44.1550
G1-J2 58.1940 58.1750 52.7000 53.1000
G1-J3 130.7420 130.7260 3.9210 4.2330
J2-J3 102.2500 102.3210 338.5700 338.8750
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 59579.16886162
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 89.617
HIERARCH ESO ISS PBL12 END 89.735
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 128.796
HIERARCH ESO ISS PBL13 END 128.901
HIERARCH ESO ISS PBLA13 START 89.9
HIERARCH ESO ISS PBLA13 END 90.3
HIERARCH ESO ISS PBL14 START 132.162
HIERARCH ESO ISS PBL14 END 132.099
HIERARCH ESO ISS PBLA14 START 43.776
HIERARCH ESO ISS PBLA14 END 44.155
HIERARCH ESO ISS PBL23 START 58.194
HIERARCH ESO ISS PBL23 END 58.175
HIERARCH ESO ISS PBLA23 START 52.7
HIERARCH ESO ISS PBLA23 END 53.1
HIERARCH ESO ISS PBL24 START 130.742
HIERARCH ESO ISS PBL24 END 130.726
HIERARCH ESO ISS PBLA24 START 3.921
HIERARCH ESO ISS PBLA24 END 4.233
HIERARCH ESO ISS PBL34 START 102.25
HIERARCH ESO ISS PBL34 END 102.321
HIERARCH ESO ISS PBLA34 START 338.57
HIERARCH ESO ISS PBLA34 END 338.875
HIERARCH ESO ISS AMBI TAU0 START 0.004003
HIERARCH ESO ISS AMBI TAU0 END 0.004388
HIERARCH ESO ISS AMBI TEMP 14.13
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.55