Exposure
ID
GRAVI.2025-04-09T04:28:35.757_2
Header ID
GRAVI.2025-04-09T04:28:35.757
Date updated
2025-04-09 04:35:40 UTC+0000
Release date
2025-04-09 04:28:35 UTC+0000
UTC Start
2025-04-09 04:28:35.757
UTC End
2025-04-09 04:28:47.757
MJD Start
60774.18652497
MJD End
60774.18666385889
Exposure time (s)
12.0
Validation level
1
Tau 0: Coherence time (s)
0.006265
Ambient temperature (°C)
14.54
Seeing (arcsec)
0.485
Observation
ID
66098
Category
calibrator
Program ID
60.A-9801(U)
Program Title
TECHNICAL TIME
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
49208
Name
hd123227b
RA
211.9228775
DEC
-49.86734538888889
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 53.7790 53.7730 18.5000 18.6000
U1-U3 98.7210 98.7090 24.6000 24.7000
U1-U4 130.0720 130.0670 49.8970 49.9650
U2-U3 45.5970 45.5910 31.7000 31.8000
U2-U4 88.6830 88.6940 68.2920 68.3660
U3-U4 58.7120 58.7340 95.8430 95.9120
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9801(U)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 60774.18652497
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME hd123227b
HIERARCH ESO INS SOBJ NAME hd123227a
RA 211.927327
DEC -49.86729
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
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 26.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 53.779
HIERARCH ESO ISS PBL12 END 53.773
HIERARCH ESO ISS PBLA12 START 18.5
HIERARCH ESO ISS PBLA12 END 18.6
HIERARCH ESO ISS PBL13 START 98.721
HIERARCH ESO ISS PBL13 END 98.709
HIERARCH ESO ISS PBLA13 START 24.6
HIERARCH ESO ISS PBLA13 END 24.7
HIERARCH ESO ISS PBL14 START 130.072
HIERARCH ESO ISS PBL14 END 130.067
HIERARCH ESO ISS PBLA14 START 49.897
HIERARCH ESO ISS PBLA14 END 49.965
HIERARCH ESO ISS PBL23 START 45.597
HIERARCH ESO ISS PBL23 END 45.591
HIERARCH ESO ISS PBLA23 START 31.7
HIERARCH ESO ISS PBLA23 END 31.8
HIERARCH ESO ISS PBL24 START 88.683
HIERARCH ESO ISS PBL24 END 88.694
HIERARCH ESO ISS PBLA24 START 68.292
HIERARCH ESO ISS PBLA24 END 68.366
HIERARCH ESO ISS PBL34 START 58.712
HIERARCH ESO ISS PBL34 END 58.734
HIERARCH ESO ISS PBLA34 START 95.843
HIERARCH ESO ISS PBLA34 END 95.912
HIERARCH ESO ISS AMBI TAU0 START 0.006136
HIERARCH ESO ISS AMBI TAU0 END 0.006394
HIERARCH ESO ISS AMBI TEMP 14.54
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.5
HIERARCH ESO FT ROBJ NAME hd123227b
HIERARCH ESO FT ROBJ ALPHA 140741.4906
HIERARCH ESO FT ROBJ DELTA -495202.4434