Exposure
ID
GRAVI.2022-01-01T08:41:22.263_1
Header ID
GRAVI.2022-01-01T08:41:22.263
Date updated
2022-01-01 08:56:33 UTC+0000
Release date
2022-01-01 08:41:22 UTC+0000
UTC Start
2022-01-01 08:41:22.263
UTC End
2022-01-01 08:45:38.263
MJD Start
59580.36206323
MJD End
59580.365026193
Exposure time (s)
256.0
Validation level
1
Tau 0: Coherence time (s)
0.002903
Ambient temperature (°C)
13.03
Seeing (arcsec)
1.655
Observation
ID
49144
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
36776
Name
HD_111715
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 79.3500 79.7690 85.0000 86.2000
A0-J2 125.2350 125.5150 65.5000 66.6000
A0-J3 126.2600 126.0570 30.6620 31.6490
G1-J2 57.0560 56.9850 37.7000 38.7000
G1-J3 102.7950 102.9060 351.8040 352.4960
J2-J3 75.1930 75.6490 318.8080 319.5470
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 59580.36206323
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 109951
HIERARCH ESO INS SOBJ NAME HD_111715
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 79.35
HIERARCH ESO ISS PBL12 END 79.769
HIERARCH ESO ISS PBLA12 START 85.0
HIERARCH ESO ISS PBLA12 END 86.2
HIERARCH ESO ISS PBL13 START 125.235
HIERARCH ESO ISS PBL13 END 125.515
HIERARCH ESO ISS PBLA13 START 65.5
HIERARCH ESO ISS PBLA13 END 66.6
HIERARCH ESO ISS PBL14 START 126.26
HIERARCH ESO ISS PBL14 END 126.057
HIERARCH ESO ISS PBLA14 START 30.662
HIERARCH ESO ISS PBLA14 END 31.649
HIERARCH ESO ISS PBL23 START 57.056
HIERARCH ESO ISS PBL23 END 56.985
HIERARCH ESO ISS PBLA23 START 37.7
HIERARCH ESO ISS PBLA23 END 38.7
HIERARCH ESO ISS PBL24 START 102.795
HIERARCH ESO ISS PBL24 END 102.906
HIERARCH ESO ISS PBLA24 START 351.804
HIERARCH ESO ISS PBLA24 END 352.496
HIERARCH ESO ISS PBL34 START 75.193
HIERARCH ESO ISS PBL34 END 75.649
HIERARCH ESO ISS PBLA34 START 318.808
HIERARCH ESO ISS PBLA34 END 319.547
HIERARCH ESO ISS AMBI TAU0 START 0.002817
HIERARCH ESO ISS AMBI TAU0 END 0.002989
HIERARCH ESO ISS AMBI TEMP 13.03
HIERARCH ESO ISS AMBI FWHM START 1.76
HIERARCH ESO ISS AMBI FWHM END 1.55