Exposure
ID
GRAVI.2020-11-30T08:23:25.641_1
Header ID
GRAVI.2020-11-30T08:23:25.641
Date updated
2020-11-30 08:30:55 UTC+0000
Release date
2021-11-30 08:30:55 UTC+0000
UTC Start
2020-11-30 08:23:25.641
UTC End
2020-11-30 08:26:05.641
MJD Start
59183.34960233
MJD End
59183.3514541819
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0020765
Ambient temperature (°C)
14.59
Seeing (arcsec)
1.66
Observation
ID
45987
Category
science
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
34611
Name
HD__84567
RA
146.339066
DEC
-30.20272
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 85.1790 85.5010 106.3000 106.6000
A0-J2 122.3780 122.8290 81.7000 82.1000
A0-K0 123.6370 123.9490 59.2930 59.7490
G1-J2 57.1890 57.2710 43.5000 43.9000
G1-K0 90.4460 90.4530 15.7480 16.1350
J2-K0 47.9040 47.9330 341.9980 342.2620
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.2150.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59183.34960233
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 84567
HIERARCH ESO INS SOBJ NAME HD__84567
RA 146.339066
DEC -30.20272
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 85.179
HIERARCH ESO ISS PBL12 END 85.501
HIERARCH ESO ISS PBLA12 START 106.3
HIERARCH ESO ISS PBLA12 END 106.6
HIERARCH ESO ISS PBL13 START 122.378
HIERARCH ESO ISS PBL13 END 122.829
HIERARCH ESO ISS PBLA13 START 81.7
HIERARCH ESO ISS PBLA13 END 82.1
HIERARCH ESO ISS PBL14 START 123.637
HIERARCH ESO ISS PBL14 END 123.949
HIERARCH ESO ISS PBLA14 START 59.293
HIERARCH ESO ISS PBLA14 END 59.749
HIERARCH ESO ISS PBL23 START 57.189
HIERARCH ESO ISS PBL23 END 57.271
HIERARCH ESO ISS PBLA23 START 43.5
HIERARCH ESO ISS PBLA23 END 43.9
HIERARCH ESO ISS PBL24 START 90.446
HIERARCH ESO ISS PBL24 END 90.453
HIERARCH ESO ISS PBLA24 START 15.748
HIERARCH ESO ISS PBLA24 END 16.135
HIERARCH ESO ISS PBL34 START 47.904
HIERARCH ESO ISS PBL34 END 47.933
HIERARCH ESO ISS PBLA34 START 341.998
HIERARCH ESO ISS PBLA34 END 342.262
HIERARCH ESO ISS AMBI TAU0 START 0.002097
HIERARCH ESO ISS AMBI TAU0 END 0.002056
HIERARCH ESO ISS AMBI TEMP 14.59
HIERARCH ESO ISS AMBI FWHM START 1.82
HIERARCH ESO ISS AMBI FWHM END 1.5