Exposure
ID
GRAVI.2025-07-07T06:40:31.490_1
Header ID
GRAVI.2025-07-07T06:40:31.490
Date updated
2025-07-07 06:50:42 UTC+0000
Release date
2025-07-07 06:40:31 UTC+0000
UTC Start
2025-07-07 06:40:31.490
UTC End
2025-07-07 06:41:03.490
MJD Start
60863.27814224
MJD End
60863.27851261037
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.0046695
Ambient temperature (°C)
13.74
Seeing (arcsec)
0.555
Observation
ID
68277
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
50744
Name
HD_199642
RA
315.184019
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 50.9620 50.9380 28.9000 29.1000
U1-U3 93.5580 93.5080 35.7000 35.8000
U1-U4 126.5420 126.4850 63.2710 63.4190
U2-U3 43.3630 43.3380 43.6000 43.7000
U2-U4 89.2170 89.2040 82.0640 82.2240
U3-U4 61.4910 61.5130 108.0780 108.2330
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 60863.27814224
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 199642
HIERARCH ESO INS SOBJ NAME HD_199642
RA 315.184019
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 50.962
HIERARCH ESO ISS PBL12 END 50.938
HIERARCH ESO ISS PBLA12 START 28.9
HIERARCH ESO ISS PBLA12 END 29.1
HIERARCH ESO ISS PBL13 START 93.558
HIERARCH ESO ISS PBL13 END 93.508
HIERARCH ESO ISS PBLA13 START 35.7
HIERARCH ESO ISS PBLA13 END 35.8
HIERARCH ESO ISS PBL14 START 126.542
HIERARCH ESO ISS PBL14 END 126.485
HIERARCH ESO ISS PBLA14 START 63.271
HIERARCH ESO ISS PBLA14 END 63.419
HIERARCH ESO ISS PBL23 START 43.363
HIERARCH ESO ISS PBL23 END 43.338
HIERARCH ESO ISS PBLA23 START 43.6
HIERARCH ESO ISS PBLA23 END 43.7
HIERARCH ESO ISS PBL24 START 89.217
HIERARCH ESO ISS PBL24 END 89.204
HIERARCH ESO ISS PBLA24 START 82.064
HIERARCH ESO ISS PBLA24 END 82.224
HIERARCH ESO ISS PBL34 START 61.491
HIERARCH ESO ISS PBL34 END 61.513
HIERARCH ESO ISS PBLA34 START 108.078
HIERARCH ESO ISS PBLA34 END 108.233
HIERARCH ESO ISS AMBI TAU0 START 0.004974
HIERARCH ESO ISS AMBI TAU0 END 0.004365
HIERARCH ESO ISS AMBI TEMP 13.74
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.55