Exposure
ID
GRAVI.2021-11-17T05:10:33.700_1
Header ID
GRAVI.2021-11-17T05:10:33.700
Date updated
2021-11-17 05:21:42 UTC+0000
Release date
2021-11-17 05:10:33 UTC+0000
UTC Start
2021-11-17 05:10:33.700
UTC End
2021-11-17 05:13:13.700
MJD Start
59535.21566782
MJD End
59535.2175196719
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003697
Ambient temperature (°C)
11.55
Seeing (arcsec)
0.66
Observation
ID
48899
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
36609
Name
HD_44749
RA
95.459631
DEC
-34.76306
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 78.8840 79.3360 99.6000 99.9000
A0-J2 115.7350 116.3050 73.5000 74.0000
A0-K0 120.5130 120.8590 50.9190 51.4660
G1-J2 56.7260 56.8050 35.8000 36.3000
G1-K0 90.4710 90.4680 10.0340 10.4400
J2-K0 46.4580 46.5140 337.9950 338.2390
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 59535.21566782
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 44749
HIERARCH ESO INS SOBJ NAME HD_44749
RA 95.459631
DEC -34.76306
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 78.884
HIERARCH ESO ISS PBL12 END 79.336
HIERARCH ESO ISS PBLA12 START 99.6
HIERARCH ESO ISS PBLA12 END 99.9
HIERARCH ESO ISS PBL13 START 115.735
HIERARCH ESO ISS PBL13 END 116.305
HIERARCH ESO ISS PBLA13 START 73.5
HIERARCH ESO ISS PBLA13 END 74.0
HIERARCH ESO ISS PBL14 START 120.513
HIERARCH ESO ISS PBL14 END 120.859
HIERARCH ESO ISS PBLA14 START 50.919
HIERARCH ESO ISS PBLA14 END 51.466
HIERARCH ESO ISS PBL23 START 56.726
HIERARCH ESO ISS PBL23 END 56.805
HIERARCH ESO ISS PBLA23 START 35.8
HIERARCH ESO ISS PBLA23 END 36.3
HIERARCH ESO ISS PBL24 START 90.471
HIERARCH ESO ISS PBL24 END 90.468
HIERARCH ESO ISS PBLA24 START 10.034
HIERARCH ESO ISS PBLA24 END 10.44
HIERARCH ESO ISS PBL34 START 46.458
HIERARCH ESO ISS PBL34 END 46.514
HIERARCH ESO ISS PBLA34 START 337.995
HIERARCH ESO ISS PBLA34 END 338.239
HIERARCH ESO ISS AMBI TAU0 START 0.003637
HIERARCH ESO ISS AMBI TAU0 END 0.003757
HIERARCH ESO ISS AMBI TEMP 11.55
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.67