Exposure
ID
GRAVI.2022-01-01T06:36:30.948_1
Header ID
GRAVI.2022-01-01T06:36:30.948
Date updated
2022-01-01 06:51:17 UTC+0000
Release date
2022-01-01 06:36:30 UTC+0000
UTC Start
2022-01-01 06:36:30.948
UTC End
2022-01-01 06:40:30.948
MJD Start
59580.2753582
MJD End
59580.2781359778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0040275
Ambient temperature (°C)
13.61
Seeing (arcsec)
1.025
Observation
ID
49139
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
36771
Name
HD_63736
RA
117.378385
DEC
-26.57925
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 89.5070 89.3000 121.8000 122.3000
A0-J2 127.0350 126.6100 98.3000 98.8000
A0-J3 130.6310 130.3270 50.7510 51.1410
G1-J2 57.3070 57.1450 59.9000 60.3000
G1-J3 132.1490 132.1200 10.9270 11.3620
J2-J3 103.9660 103.9570 346.3470 346.8660
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 59580.2753582
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 63736
HIERARCH ESO INS SOBJ NAME HD_63736
RA 117.378385
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 J2
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 89.507
HIERARCH ESO ISS PBL12 END 89.3
HIERARCH ESO ISS PBLA12 START 121.8
HIERARCH ESO ISS PBLA12 END 122.3
HIERARCH ESO ISS PBL13 START 127.035
HIERARCH ESO ISS PBL13 END 126.61
HIERARCH ESO ISS PBLA13 START 98.3
HIERARCH ESO ISS PBLA13 END 98.8
HIERARCH ESO ISS PBL14 START 130.631
HIERARCH ESO ISS PBL14 END 130.327
HIERARCH ESO ISS PBLA14 START 50.751
HIERARCH ESO ISS PBLA14 END 51.141
HIERARCH ESO ISS PBL23 START 57.307
HIERARCH ESO ISS PBL23 END 57.145
HIERARCH ESO ISS PBLA23 START 59.9
HIERARCH ESO ISS PBLA23 END 60.3
HIERARCH ESO ISS PBL24 START 132.149
HIERARCH ESO ISS PBL24 END 132.12
HIERARCH ESO ISS PBLA24 START 10.927
HIERARCH ESO ISS PBLA24 END 11.362
HIERARCH ESO ISS PBL34 START 103.966
HIERARCH ESO ISS PBL34 END 103.957
HIERARCH ESO ISS PBLA34 START 346.347
HIERARCH ESO ISS PBLA34 END 346.866
HIERARCH ESO ISS AMBI TAU0 START 0.004081
HIERARCH ESO ISS AMBI TAU0 END 0.003974
HIERARCH ESO ISS AMBI TEMP 13.61
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 0.96