Exposure
ID
GRAVI.2025-04-11T08:08:24.602_1
Header ID
GRAVI.2025-04-11T08:08:24.602
Date updated
2025-04-11 08:15:44 UTC+0000
Release date
2025-04-11 08:08:24 UTC+0000
UTC Start
2025-04-11 08:08:24.602
UTC End
2025-04-11 08:08:56.602
MJD Start
60776.33917363
MJD End
60776.339544000366
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.003555
Ambient temperature (°C)
12.39
Seeing (arcsec)
0.8
Observation
ID
66256
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
49320
Name
HD_137730
RA
232.383497
DEC
-46.90748
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 50.4790 50.4410 36.9000 37.0000
U1-U3 91.4340 91.3540 44.0000 44.1000
U1-U4 120.1660 120.0460 74.5790 74.7160
U2-U3 41.8120 41.7710 52.6000 52.7000
U2-U4 85.9690 85.9080 95.6260 95.7830
U3-U4 62.3450 62.3370 122.8800 123.0380
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 60776.33917363
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 137730
HIERARCH ESO INS SOBJ NAME HD_137730
RA 232.383497
DEC -46.90748
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 50.479
HIERARCH ESO ISS PBL12 END 50.441
HIERARCH ESO ISS PBLA12 START 36.9
HIERARCH ESO ISS PBLA12 END 37.0
HIERARCH ESO ISS PBL13 START 91.434
HIERARCH ESO ISS PBL13 END 91.354
HIERARCH ESO ISS PBLA13 START 44.0
HIERARCH ESO ISS PBLA13 END 44.1
HIERARCH ESO ISS PBL14 START 120.166
HIERARCH ESO ISS PBL14 END 120.046
HIERARCH ESO ISS PBLA14 START 74.579
HIERARCH ESO ISS PBLA14 END 74.716
HIERARCH ESO ISS PBL23 START 41.812
HIERARCH ESO ISS PBL23 END 41.771
HIERARCH ESO ISS PBLA23 START 52.6
HIERARCH ESO ISS PBLA23 END 52.7
HIERARCH ESO ISS PBL24 START 85.969
HIERARCH ESO ISS PBL24 END 85.908
HIERARCH ESO ISS PBLA24 START 95.626
HIERARCH ESO ISS PBLA24 END 95.783
HIERARCH ESO ISS PBL34 START 62.345
HIERARCH ESO ISS PBL34 END 62.337
HIERARCH ESO ISS PBLA34 START 122.88
HIERARCH ESO ISS PBLA34 END 123.038
HIERARCH ESO ISS AMBI TAU0 START 0.003555
HIERARCH ESO ISS AMBI TAU0 END 0.003555
HIERARCH ESO ISS AMBI TEMP 12.39
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.8