Exposure
ID
GRAVI.2025-04-09T04:21:20.739_1
Header ID
GRAVI.2025-04-09T04:21:20.739
Date updated
2025-04-09 04:25:43 UTC+0000
Release date
2025-04-09 04:21:20 UTC+0000
UTC Start
2025-04-09 04:21:20.739
UTC End
2025-04-09 04:22:00.739
MJD Start
60774.18149003
MJD End
60774.18195299296
Exposure time (s)
40.0
Validation level
1
Tau 0: Coherence time (s)
0.0062755
Ambient temperature (°C)
14.52
Seeing (arcsec)
0.47
Observation
ID
66094
Category
calibrator
Program ID
60.A-9801(U)
Program Title
TECHNICAL TIME
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
49204
Name
hd123227b
RA
211.927346
DEC
-49.8673
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 53.8880 53.8760 17.5000 17.6000
U1-U3 98.9440 98.9190 23.5000 23.6000
U1-U4 130.1490 130.1420 48.5370 48.6950
U2-U3 45.6970 45.6860 30.6000 30.7000
U2-U4 88.4500 88.4780 66.8420 67.0100
U3-U4 58.2680 58.3200 94.4940 94.6500
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 60774.18149003
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME hd123227b
HIERARCH ESO INS SOBJ NAME hd123227b
RA 211.927346
DEC -49.8673
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 54.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 53.888
HIERARCH ESO ISS PBL12 END 53.876
HIERARCH ESO ISS PBLA12 START 17.5
HIERARCH ESO ISS PBLA12 END 17.6
HIERARCH ESO ISS PBL13 START 98.944
HIERARCH ESO ISS PBL13 END 98.919
HIERARCH ESO ISS PBLA13 START 23.5
HIERARCH ESO ISS PBLA13 END 23.6
HIERARCH ESO ISS PBL14 START 130.149
HIERARCH ESO ISS PBL14 END 130.142
HIERARCH ESO ISS PBLA14 START 48.537
HIERARCH ESO ISS PBLA14 END 48.695
HIERARCH ESO ISS PBL23 START 45.697
HIERARCH ESO ISS PBL23 END 45.686
HIERARCH ESO ISS PBLA23 START 30.6
HIERARCH ESO ISS PBLA23 END 30.7
HIERARCH ESO ISS PBL24 START 88.45
HIERARCH ESO ISS PBL24 END 88.478
HIERARCH ESO ISS PBLA24 START 66.842
HIERARCH ESO ISS PBLA24 END 67.01
HIERARCH ESO ISS PBL34 START 58.268
HIERARCH ESO ISS PBL34 END 58.32
HIERARCH ESO ISS PBLA34 START 94.494
HIERARCH ESO ISS PBLA34 END 94.65
HIERARCH ESO ISS AMBI TAU0 START 0.006348
HIERARCH ESO ISS AMBI TAU0 END 0.006203
HIERARCH ESO ISS AMBI TEMP 14.52
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.48
HIERARCH ESO FT ROBJ NAME hd123227a
HIERARCH ESO FT ROBJ ALPHA 140741.528
HIERARCH ESO FT ROBJ DELTA -495203.322