Exposure
ID
GRAVI.2025-04-09T04:29:14.758_1
Header ID
GRAVI.2025-04-09T04:29:14.758
Date updated
2025-04-09 04:35:40 UTC+0000
Release date
2025-04-09 04:29:14 UTC+0000
UTC Start
2025-04-09 04:29:14.758
UTC End
2025-04-09 04:29:26.758
MJD Start
60774.18697637
MJD End
60774.187115258894
Exposure time (s)
12.0
Validation level
1
Tau 0: Coherence time (s)
0.0066345
Ambient temperature (°C)
14.54
Seeing (arcsec)
0.49
Observation
ID
66099
Category
calibrator
Program ID
60.A-9801(U)
Program Title
TECHNICAL TIME
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
49209
Name
hd123227a
RA
211.92733
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 53.7680 53.7630 18.6000 18.7000
U1-U3 98.6990 98.6880 24.7000 24.8000
U1-U4 130.0630 130.0580 50.0210 50.0900
U2-U3 45.5870 45.5820 31.9000 31.9000
U2-U4 88.7030 88.7130 68.4260 68.4990
U3-U4 58.7520 58.7740 95.9670 96.0360
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 60774.18697637
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME hd123227b
HIERARCH ESO INS SOBJ NAME hd123227a
RA 211.92733
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 26.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 53.768
HIERARCH ESO ISS PBL12 END 53.763
HIERARCH ESO ISS PBLA12 START 18.6
HIERARCH ESO ISS PBLA12 END 18.7
HIERARCH ESO ISS PBL13 START 98.699
HIERARCH ESO ISS PBL13 END 98.688
HIERARCH ESO ISS PBLA13 START 24.7
HIERARCH ESO ISS PBLA13 END 24.8
HIERARCH ESO ISS PBL14 START 130.063
HIERARCH ESO ISS PBL14 END 130.058
HIERARCH ESO ISS PBLA14 START 50.021
HIERARCH ESO ISS PBLA14 END 50.09
HIERARCH ESO ISS PBL23 START 45.587
HIERARCH ESO ISS PBL23 END 45.582
HIERARCH ESO ISS PBLA23 START 31.9
HIERARCH ESO ISS PBLA23 END 31.9
HIERARCH ESO ISS PBL24 START 88.703
HIERARCH ESO ISS PBL24 END 88.713
HIERARCH ESO ISS PBLA24 START 68.426
HIERARCH ESO ISS PBLA24 END 68.499
HIERARCH ESO ISS PBL34 START 58.752
HIERARCH ESO ISS PBL34 END 58.774
HIERARCH ESO ISS PBLA34 START 95.967
HIERARCH ESO ISS PBLA34 END 96.036
HIERARCH ESO ISS AMBI TAU0 START 0.006394
HIERARCH ESO ISS AMBI TAU0 END 0.006875
HIERARCH ESO ISS AMBI TEMP 14.54
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.48
HIERARCH ESO FT ROBJ NAME hd123227b
HIERARCH ESO FT ROBJ ALPHA 140741.4906
HIERARCH ESO FT ROBJ DELTA -495202.4434