Exposure
ID
GRAVI.2025-07-07T06:37:49.483_1
Header ID
GRAVI.2025-07-07T06:37:49.483
Date updated
2025-07-07 06:45:46 UTC+0000
Release date
2025-07-07 06:37:49 UTC+0000
UTC Start
2025-07-07 06:37:49.483
UTC End
2025-07-07 06:38:21.483
MJD Start
60863.27626716
MJD End
60863.27663753037
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.0054265
Ambient temperature (°C)
13.75
Seeing (arcsec)
0.655
Observation
ID
68276
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
50743
Name
HD_199642
RA
315.184014
DEC
-53.73968
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 51.0450 51.0200 28.6000 28.7000
U1-U3 93.7270 93.6770 35.3000 35.4000
U1-U4 126.7310 126.6760 62.7690 62.9180
U2-U3 43.4450 43.4210 43.2000 43.3000
U2-U4 89.2580 89.2460 81.5230 81.6830
U3-U4 61.4160 61.4390 107.5550 107.7100
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 60863.27626716
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 199642
HIERARCH ESO INS SOBJ NAME HD_199642
RA 315.184014
DEC -53.73968
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 51.045
HIERARCH ESO ISS PBL12 END 51.02
HIERARCH ESO ISS PBLA12 START 28.6
HIERARCH ESO ISS PBLA12 END 28.7
HIERARCH ESO ISS PBL13 START 93.727
HIERARCH ESO ISS PBL13 END 93.677
HIERARCH ESO ISS PBLA13 START 35.3
HIERARCH ESO ISS PBLA13 END 35.4
HIERARCH ESO ISS PBL14 START 126.731
HIERARCH ESO ISS PBL14 END 126.676
HIERARCH ESO ISS PBLA14 START 62.769
HIERARCH ESO ISS PBLA14 END 62.918
HIERARCH ESO ISS PBL23 START 43.445
HIERARCH ESO ISS PBL23 END 43.421
HIERARCH ESO ISS PBLA23 START 43.2
HIERARCH ESO ISS PBLA23 END 43.3
HIERARCH ESO ISS PBL24 START 89.258
HIERARCH ESO ISS PBL24 END 89.246
HIERARCH ESO ISS PBLA24 START 81.523
HIERARCH ESO ISS PBLA24 END 81.683
HIERARCH ESO ISS PBL34 START 61.416
HIERARCH ESO ISS PBL34 END 61.439
HIERARCH ESO ISS PBLA34 START 107.555
HIERARCH ESO ISS PBLA34 END 107.71
HIERARCH ESO ISS AMBI TAU0 START 0.005879
HIERARCH ESO ISS AMBI TAU0 END 0.004974
HIERARCH ESO ISS AMBI TEMP 13.75
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.7