Exposure
ID
GRAVI.2025-10-03T00:11:04.295_1
Header ID
GRAVI.2025-10-03T00:11:04.295
Date updated
2025-10-03 00:20:41 UTC+0000
Release date
2025-10-03 00:11:04 UTC+0000
UTC Start
2025-10-03 00:11:04.295
UTC End
2025-10-03 00:11:36.295
MJD Start
60951.0076886
MJD End
60951.00805897037
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.0055745
Ambient temperature (°C)
14.8
Seeing (arcsec)
0.905
Observation
ID
70562
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
52327
Name
HD_191732
RA
303.388414
DEC
-47.71357
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 52.9040 52.8810 28.2000 28.3000
U1-U3 96.5830 96.5350 34.8000 34.9000
U1-U4 127.6330 127.5770 62.7220 62.8630
U2-U3 44.4520 44.4280 42.7000 42.8000
U2-U4 89.2430 89.2280 82.3580 82.5110
U3-U4 61.9110 61.9300 109.6370 109.7850
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 60951.0076886
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 191732
HIERARCH ESO INS SOBJ NAME HD_191732
RA 303.388414
DEC -47.71357
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 52.904
HIERARCH ESO ISS PBL12 END 52.881
HIERARCH ESO ISS PBLA12 START 28.2
HIERARCH ESO ISS PBLA12 END 28.3
HIERARCH ESO ISS PBL13 START 96.583
HIERARCH ESO ISS PBL13 END 96.535
HIERARCH ESO ISS PBLA13 START 34.8
HIERARCH ESO ISS PBLA13 END 34.9
HIERARCH ESO ISS PBL14 START 127.633
HIERARCH ESO ISS PBL14 END 127.577
HIERARCH ESO ISS PBLA14 START 62.722
HIERARCH ESO ISS PBLA14 END 62.863
HIERARCH ESO ISS PBL23 START 44.452
HIERARCH ESO ISS PBL23 END 44.428
HIERARCH ESO ISS PBLA23 START 42.7
HIERARCH ESO ISS PBLA23 END 42.8
HIERARCH ESO ISS PBL24 START 89.243
HIERARCH ESO ISS PBL24 END 89.228
HIERARCH ESO ISS PBLA24 START 82.358
HIERARCH ESO ISS PBLA24 END 82.511
HIERARCH ESO ISS PBL34 START 61.911
HIERARCH ESO ISS PBL34 END 61.93
HIERARCH ESO ISS PBLA34 START 109.637
HIERARCH ESO ISS PBLA34 END 109.785
HIERARCH ESO ISS AMBI TAU0 START 0.005956
HIERARCH ESO ISS AMBI TAU0 END 0.005193
HIERARCH ESO ISS AMBI TEMP 14.8
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.99