Exposure
ID
GRAVI.2020-12-05T05:56:24.385_1
Header ID
GRAVI.2020-12-05T05:56:24.385
Date updated
2021-09-29 14:25:33 UTC+0000
Release date
2020-12-05 05:56:24 UTC+0000
UTC Start
2020-12-05 05:56:24.385
UTC End
2020-12-05 05:59:04.385
MJD Start
59188.24750446
MJD End
59188.2493563119
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0025355
Ambient temperature (°C)
10.77
Seeing (arcsec)
1.175
Observation
ID
46021
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
34643
Name
HD_72552
RA
127.948732
DEC
-43.85955
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 76.2270 76.6710 92.3000 92.8000
A0-J2 116.6320 117.1000 67.0000 67.6000
A0-J3 132.3630 132.3770 25.1070 25.6270
G1-J2 57.8220 57.8560 32.6000 33.2000
G1-J3 124.5690 124.6340 350.7650 351.0850
J2-J3 90.1940 90.4620 325.4280 325.6870
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 59188.24750446
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 72552
HIERARCH ESO INS SOBJ NAME HD_72552
RA 127.948732
DEC -43.85955
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 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 76.227
HIERARCH ESO ISS PBL12 END 76.671
HIERARCH ESO ISS PBLA12 START 92.3
HIERARCH ESO ISS PBLA12 END 92.8
HIERARCH ESO ISS PBL13 START 116.632
HIERARCH ESO ISS PBL13 END 117.1
HIERARCH ESO ISS PBLA13 START 67.0
HIERARCH ESO ISS PBLA13 END 67.6
HIERARCH ESO ISS PBL14 START 132.363
HIERARCH ESO ISS PBL14 END 132.377
HIERARCH ESO ISS PBLA14 START 25.107
HIERARCH ESO ISS PBLA14 END 25.627
HIERARCH ESO ISS PBL23 START 57.822
HIERARCH ESO ISS PBL23 END 57.856
HIERARCH ESO ISS PBLA23 START 32.6
HIERARCH ESO ISS PBLA23 END 33.2
HIERARCH ESO ISS PBL24 START 124.569
HIERARCH ESO ISS PBL24 END 124.634
HIERARCH ESO ISS PBLA24 START 350.765
HIERARCH ESO ISS PBLA24 END 351.085
HIERARCH ESO ISS PBL34 START 90.194
HIERARCH ESO ISS PBL34 END 90.462
HIERARCH ESO ISS PBLA34 START 325.428
HIERARCH ESO ISS PBLA34 END 325.687
HIERARCH ESO ISS AMBI TAU0 START 0.002282
HIERARCH ESO ISS AMBI TAU0 END 0.002789
HIERARCH ESO ISS AMBI TEMP 10.77
HIERARCH ESO ISS AMBI FWHM START 1.36
HIERARCH ESO ISS AMBI FWHM END 0.99