Exposure
ID
GRAVI.2025-11-09T01:36:43.517_1
Header ID
GRAVI.2025-11-09T01:36:43.517
Date updated
2025-11-09 01:45:48 UTC+0000
Release date
2026-11-09 01:45:48 UTC+0000
UTC Start
2025-11-09 01:36:43.517
UTC End
2025-11-09 01:38:07.517
MJD Start
60988.06717033
MJD End
60988.06814255223
Exposure time (s)
84.0
Validation level
1
Tau 0: Coherence time (s)
0.002957
Ambient temperature (°C)
13.48
Seeing (arcsec)
0.68
Observation
ID
71285
Category
science
Program ID
116.29H7.001
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
52933
Name
HD_218711
RA
347.800267
DEC
-63.19003
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 44.7400 44.6620 40.8000 41.1000
U1-U3 82.8090 82.6530 48.4000 48.7000
U1-U4 119.0230 118.8450 77.8070 78.1760
U2-U3 38.9270 38.8520 57.2000 57.6000
U2-U4 87.5580 87.4950 95.7280 96.1200
U3-U4 62.0200 62.0430 118.7250 119.1010
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.29H7.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60988.06717033
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 218711
HIERARCH ESO INS SOBJ NAME HD_218711
RA 347.800267
DEC -63.19003
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 109.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 84
HIERARCH ESO ISS PBL12 START 44.74
HIERARCH ESO ISS PBL12 END 44.662
HIERARCH ESO ISS PBLA12 START 40.8
HIERARCH ESO ISS PBLA12 END 41.1
HIERARCH ESO ISS PBL13 START 82.809
HIERARCH ESO ISS PBL13 END 82.653
HIERARCH ESO ISS PBLA13 START 48.4
HIERARCH ESO ISS PBLA13 END 48.7
HIERARCH ESO ISS PBL14 START 119.023
HIERARCH ESO ISS PBL14 END 118.845
HIERARCH ESO ISS PBLA14 START 77.807
HIERARCH ESO ISS PBLA14 END 78.176
HIERARCH ESO ISS PBL23 START 38.927
HIERARCH ESO ISS PBL23 END 38.852
HIERARCH ESO ISS PBLA23 START 57.2
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 87.558
HIERARCH ESO ISS PBL24 END 87.495
HIERARCH ESO ISS PBLA24 START 95.728
HIERARCH ESO ISS PBLA24 END 96.12
HIERARCH ESO ISS PBL34 START 62.02
HIERARCH ESO ISS PBL34 END 62.043
HIERARCH ESO ISS PBLA34 START 118.725
HIERARCH ESO ISS PBLA34 END 119.101
HIERARCH ESO ISS AMBI TAU0 START 0.003033
HIERARCH ESO ISS AMBI TAU0 END 0.002881
HIERARCH ESO ISS AMBI TEMP 13.48
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.68
HIERARCH ESO FT ROBJ NAME HD_218711
HIERARCH ESO FT ROBJ ALPHA 231110.556
HIERARCH ESO FT ROBJ DELTA -631123.884