Exposure
ID
GRAVI.2025-06-07T04:52:44.587_1
Header ID
GRAVI.2025-06-07T04:52:44.587
Date updated
2025-06-07 05:00:58 UTC+0000
Release date
2025-06-07 04:52:44 UTC+0000
UTC Start
2025-06-07 04:52:44.587
UTC End
2025-06-07 04:53:16.587
MJD Start
60833.20329383
MJD End
60833.20366420037
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.002464
Ambient temperature (°C)
8.42
Seeing (arcsec)
0.89
Observation
ID
67748
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
50387
Name
HD_153727
RA
255.466054
DEC
-18.88534
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.4260 56.4320 27.3000 27.3000
U1-U3 102.2560 102.2680 33.6000 33.7000
U1-U4 130.2050 130.2080 61.4930 61.5610
U2-U3 46.5920 46.5960 41.3000 41.3000
U2-U4 89.3870 89.3770 82.2990 82.3650
U3-U4 62.2800 62.2640 111.7200 111.7930
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9256(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60833.20329383
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 153727
HIERARCH ESO INS SOBJ NAME HD_153727
RA 255.466054
DEC -18.88534
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 54.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 56.426
HIERARCH ESO ISS PBL12 END 56.432
HIERARCH ESO ISS PBLA12 START 27.3
HIERARCH ESO ISS PBLA12 END 27.3
HIERARCH ESO ISS PBL13 START 102.256
HIERARCH ESO ISS PBL13 END 102.268
HIERARCH ESO ISS PBLA13 START 33.6
HIERARCH ESO ISS PBLA13 END 33.7
HIERARCH ESO ISS PBL14 START 130.205
HIERARCH ESO ISS PBL14 END 130.208
HIERARCH ESO ISS PBLA14 START 61.493
HIERARCH ESO ISS PBLA14 END 61.561
HIERARCH ESO ISS PBL23 START 46.592
HIERARCH ESO ISS PBL23 END 46.596
HIERARCH ESO ISS PBLA23 START 41.3
HIERARCH ESO ISS PBLA23 END 41.3
HIERARCH ESO ISS PBL24 START 89.387
HIERARCH ESO ISS PBL24 END 89.377
HIERARCH ESO ISS PBLA24 START 82.299
HIERARCH ESO ISS PBLA24 END 82.365
HIERARCH ESO ISS PBL34 START 62.28
HIERARCH ESO ISS PBL34 END 62.264
HIERARCH ESO ISS PBLA34 START 111.72
HIERARCH ESO ISS PBLA34 END 111.793
HIERARCH ESO ISS AMBI TAU0 START 0.002464
HIERARCH ESO ISS AMBI TAU0 END 0.002464
HIERARCH ESO ISS AMBI TEMP 8.42
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89