Exposure
ID
GRAVI.2021-01-20T06:49:36.018_1
Header ID
GRAVI.2021-01-20T06:49:36.018
Date updated
2021-09-29 14:26:10 UTC+0000
Release date
2021-01-20 06:49:36 UTC+0000
UTC Start
2021-01-20 06:49:36.018
UTC End
2021-01-20 06:53:36.018
MJD Start
59234.28444465
MJD End
59234.2872224278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0038765
Ambient temperature (°C)
13.25
Seeing (arcsec)
0.89
Observation
ID
46420
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
34903
Name
HD_63736
RA
117.378386
DEC
-26.57925
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 82.6060 82.1550 135.5000 136.3000
A0-D0 27.5580 27.2740 85.0000 85.4000
A0-J3 119.4670 118.6250 57.1050 57.3400
G1-D0 68.4800 68.3210 333.6000 334.4000
G1-J3 130.8670 130.7520 18.9090 19.2580
D0-J3 95.9710 95.4260 49.3930 49.6110
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 59234.28444465
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 63736
HIERARCH ESO INS SOBJ NAME HD_63736
RA 117.378386
DEC -26.57925
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 265.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 80
HIERARCH ESO ISS PBL12 START 82.606
HIERARCH ESO ISS PBL12 END 82.155
HIERARCH ESO ISS PBLA12 START 135.5
HIERARCH ESO ISS PBLA12 END 136.3
HIERARCH ESO ISS PBL13 START 27.558
HIERARCH ESO ISS PBL13 END 27.274
HIERARCH ESO ISS PBLA13 START 85.0
HIERARCH ESO ISS PBLA13 END 85.4
HIERARCH ESO ISS PBL14 START 119.467
HIERARCH ESO ISS PBL14 END 118.625
HIERARCH ESO ISS PBLA14 START 57.105
HIERARCH ESO ISS PBLA14 END 57.34
HIERARCH ESO ISS PBL23 START 68.48
HIERARCH ESO ISS PBL23 END 68.321
HIERARCH ESO ISS PBLA23 START 333.6
HIERARCH ESO ISS PBLA23 END 334.4
HIERARCH ESO ISS PBL24 START 130.867
HIERARCH ESO ISS PBL24 END 130.752
HIERARCH ESO ISS PBLA24 START 18.909
HIERARCH ESO ISS PBLA24 END 19.258
HIERARCH ESO ISS PBL34 START 95.971
HIERARCH ESO ISS PBL34 END 95.426
HIERARCH ESO ISS PBLA34 START 49.393
HIERARCH ESO ISS PBLA34 END 49.611
HIERARCH ESO ISS AMBI TAU0 START 0.003892
HIERARCH ESO ISS AMBI TAU0 END 0.003861
HIERARCH ESO ISS AMBI TEMP 13.25
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.94