Exposure
ID
GRAVI.2021-12-31T07:24:46.152_1
Header ID
GRAVI.2021-12-31T07:24:46.152
Date updated
2021-12-31 07:35:50 UTC+0000
Release date
2021-12-31 07:24:46 UTC+0000
UTC Start
2021-12-31 07:24:46.152
UTC End
2021-12-31 07:27:26.152
MJD Start
59579.3088675
MJD End
59579.3107193519
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.010797
Ambient temperature (°C)
14.01
Seeing (arcsec)
0.7
Observation
ID
49131
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
36766
Name
HD_45315
RA
96.718631
DEC
4.06962
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 56.7050 55.9590 123.4000 123.8000
A0-J2 91.4730 90.3110 89.6000 89.5000
A0-J3 128.4630 128.1560 47.9260 47.7510
G1-J2 54.4060 54.1900 54.2000 54.0000
G1-J3 126.7140 126.8970 22.2530 22.4030
J2-J3 85.5170 85.5530 2.5950 3.0440
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 59579.3088675
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 45315
HIERARCH ESO INS SOBJ NAME HD_45315
RA 96.718631
DEC 4.06962
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 56.705
HIERARCH ESO ISS PBL12 END 55.959
HIERARCH ESO ISS PBLA12 START 123.4
HIERARCH ESO ISS PBLA12 END 123.8
HIERARCH ESO ISS PBL13 START 91.473
HIERARCH ESO ISS PBL13 END 90.311
HIERARCH ESO ISS PBLA13 START 89.6
HIERARCH ESO ISS PBLA13 END 89.5
HIERARCH ESO ISS PBL14 START 128.463
HIERARCH ESO ISS PBL14 END 128.156
HIERARCH ESO ISS PBLA14 START 47.926
HIERARCH ESO ISS PBLA14 END 47.751
HIERARCH ESO ISS PBL23 START 54.406
HIERARCH ESO ISS PBL23 END 54.19
HIERARCH ESO ISS PBLA23 START 54.2
HIERARCH ESO ISS PBLA23 END 54.0
HIERARCH ESO ISS PBL24 START 126.714
HIERARCH ESO ISS PBL24 END 126.897
HIERARCH ESO ISS PBLA24 START 22.253
HIERARCH ESO ISS PBLA24 END 22.403
HIERARCH ESO ISS PBL34 START 85.517
HIERARCH ESO ISS PBL34 END 85.553
HIERARCH ESO ISS PBLA34 START 2.595
HIERARCH ESO ISS PBLA34 END 3.044
HIERARCH ESO ISS AMBI TAU0 START 0.010323
HIERARCH ESO ISS AMBI TAU0 END 0.011271
HIERARCH ESO ISS AMBI TEMP 14.01
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.65