Exposure
ID
GRAVI.2020-12-25T08:05:28.448_1
Header ID
GRAVI.2020-12-25T08:05:28.448
Date updated
2021-09-29 14:25:50 UTC+0000
Release date
2020-12-25 08:05:28 UTC+0000
UTC Start
2020-12-25 08:05:28.448
UTC End
2020-12-25 08:08:08.448
MJD Start
59208.33713481
MJD End
59208.3389866619
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0025095
Ambient temperature (°C)
12.86
Seeing (arcsec)
1.51
Observation
ID
46089
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
34708
Name
HD_84710
RA
146.558013
DEC
-30.58078
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.1780 25.1940 141.7000 142.1000
A0-D0 32.0010 31.9950 70.4000 70.7000
A0-J3 132.2070 132.1440 45.4550 45.7990
B2-D0 33.8120 33.7980 25.5000 25.8000
B2-J3 137.2630 137.1970 34.9490 35.2820
D0-J3 104.0590 104.0090 38.0120 38.3480
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 59208.33713481
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 84710
HIERARCH ESO INS SOBJ NAME HD_84710
RA 146.558013
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 B2
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 25.178
HIERARCH ESO ISS PBL12 END 25.194
HIERARCH ESO ISS PBLA12 START 141.7
HIERARCH ESO ISS PBLA12 END 142.1
HIERARCH ESO ISS PBL13 START 32.001
HIERARCH ESO ISS PBL13 END 31.995
HIERARCH ESO ISS PBLA13 START 70.4
HIERARCH ESO ISS PBLA13 END 70.7
HIERARCH ESO ISS PBL14 START 132.207
HIERARCH ESO ISS PBL14 END 132.144
HIERARCH ESO ISS PBLA14 START 45.455
HIERARCH ESO ISS PBLA14 END 45.799
HIERARCH ESO ISS PBL23 START 33.812
HIERARCH ESO ISS PBL23 END 33.798
HIERARCH ESO ISS PBLA23 START 25.5
HIERARCH ESO ISS PBLA23 END 25.8
HIERARCH ESO ISS PBL24 START 137.263
HIERARCH ESO ISS PBL24 END 137.197
HIERARCH ESO ISS PBLA24 START 34.949
HIERARCH ESO ISS PBLA24 END 35.282
HIERARCH ESO ISS PBL34 START 104.059
HIERARCH ESO ISS PBL34 END 104.009
HIERARCH ESO ISS PBLA34 START 38.012
HIERARCH ESO ISS PBLA34 END 38.348
HIERARCH ESO ISS AMBI TAU0 START 0.002654
HIERARCH ESO ISS AMBI TAU0 END 0.002365
HIERARCH ESO ISS AMBI TEMP 12.86
HIERARCH ESO ISS AMBI FWHM START 1.52
HIERARCH ESO ISS AMBI FWHM END 1.5