Exposure
ID
GRAVI.2021-01-20T08:35:45.286_1
Header ID
GRAVI.2021-01-20T08:35:45.286
Date updated
2021-09-29 14:26:10 UTC+0000
Release date
2021-01-20 08:35:45 UTC+0000
UTC Start
2021-01-20 08:35:45.286
UTC End
2021-01-20 08:38:25.286
MJD Start
59234.35816303
MJD End
59234.3600148819
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0029035
Ambient temperature (°C)
12.25
Seeing (arcsec)
0.96
Observation
ID
46425
Category
calibrator
Program ID
106.2150.002
Program Title
THE ORIGIN OF BE STARS AND THE ELUSIVE MASSIVE HELIUM STARS
Program Type
Normal
PI / COI
SHENAR/ BODENSTEINER/ SANA/ DSILVA/ LANGER/ SCH\XC3\XBCRMANN/ OSKINOVA/ MAHY/ LANTHERMANN/ BORDIER/ FROST/ MARCHANT/ GILKIS/ KLUSKA
Target
ID
34907
Name
HD_84710
RA
146.558012
DEC
-30.58078
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 85.2330 84.9960 134.8000 135.3000
A0-D0 28.0950 27.9260 86.1000 86.5000
A0-J3 119.2140 118.6740 58.0910 58.3010
G1-D0 69.9280 69.8520 332.3000 332.8000
G1-J3 129.5830 129.4880 18.2950 18.5400
D0-J3 95.3310 94.9720 50.1320 50.3240
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.2150.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59234.35816303
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 84710
HIERARCH ESO INS SOBJ NAME HD_84710
RA 146.558012
DEC -30.58078
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 D0
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 85.233
HIERARCH ESO ISS PBL12 END 84.996
HIERARCH ESO ISS PBLA12 START 134.8
HIERARCH ESO ISS PBLA12 END 135.3
HIERARCH ESO ISS PBL13 START 28.095
HIERARCH ESO ISS PBL13 END 27.926
HIERARCH ESO ISS PBLA13 START 86.1
HIERARCH ESO ISS PBLA13 END 86.5
HIERARCH ESO ISS PBL14 START 119.214
HIERARCH ESO ISS PBL14 END 118.674
HIERARCH ESO ISS PBLA14 START 58.091
HIERARCH ESO ISS PBLA14 END 58.301
HIERARCH ESO ISS PBL23 START 69.928
HIERARCH ESO ISS PBL23 END 69.852
HIERARCH ESO ISS PBLA23 START 332.3
HIERARCH ESO ISS PBLA23 END 332.8
HIERARCH ESO ISS PBL24 START 129.583
HIERARCH ESO ISS PBL24 END 129.488
HIERARCH ESO ISS PBLA24 START 18.295
HIERARCH ESO ISS PBLA24 END 18.54
HIERARCH ESO ISS PBL34 START 95.331
HIERARCH ESO ISS PBL34 END 94.972
HIERARCH ESO ISS PBLA34 START 50.132
HIERARCH ESO ISS PBLA34 END 50.324
HIERARCH ESO ISS AMBI TAU0 START 0.002748
HIERARCH ESO ISS AMBI TAU0 END 0.003059
HIERARCH ESO ISS AMBI TEMP 12.25
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 0.94