Exposure
ID
GRAVI.2025-11-05T09:08:46.808_1
Header ID
GRAVI.2025-11-05T09:08:46.808
Date updated
2025-11-05 09:15:41 UTC+0000
Release date
2025-11-05 09:08:46 UTC+0000
UTC Start
2025-11-05 09:08:46.808
UTC End
2025-11-05 09:09:50.808
MJD Start
60984.38109731
MJD End
60984.38183805074
Exposure time (s)
64.0
Validation level
1
Tau 0: Coherence time (s)
0.0024605
Ambient temperature (°C)
11.18
Seeing (arcsec)
1.29
Observation
ID
71154
Category
calibrator
Program ID
116.29H7.001
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
52822
Name
HD_73900
RA
129.842963
DEC
-36.60619
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 56.3200 56.3120 17.4000 17.6000
U1-U3 102.2780 102.2670 23.4000 23.6000
U1-U4 129.4370 129.4890 49.8510 50.0800
U2-U3 46.6390 46.6370 30.6000 30.9000
U2-U4 87.3070 87.3950 70.1010 70.3320
U3-U4 59.2420 59.3370 100.1210 100.3140
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.29H7.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 60984.38109731
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 73900
HIERARCH ESO INS SOBJ NAME HD_73900
RA 129.842963
DEC -36.60619
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 86.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 56.32
HIERARCH ESO ISS PBL12 END 56.312
HIERARCH ESO ISS PBLA12 START 17.4
HIERARCH ESO ISS PBLA12 END 17.6
HIERARCH ESO ISS PBL13 START 102.278
HIERARCH ESO ISS PBL13 END 102.267
HIERARCH ESO ISS PBLA13 START 23.4
HIERARCH ESO ISS PBLA13 END 23.6
HIERARCH ESO ISS PBL14 START 129.437
HIERARCH ESO ISS PBL14 END 129.489
HIERARCH ESO ISS PBLA14 START 49.851
HIERARCH ESO ISS PBLA14 END 50.08
HIERARCH ESO ISS PBL23 START 46.639
HIERARCH ESO ISS PBL23 END 46.637
HIERARCH ESO ISS PBLA23 START 30.6
HIERARCH ESO ISS PBLA23 END 30.9
HIERARCH ESO ISS PBL24 START 87.307
HIERARCH ESO ISS PBL24 END 87.395
HIERARCH ESO ISS PBLA24 START 70.101
HIERARCH ESO ISS PBLA24 END 70.332
HIERARCH ESO ISS PBL34 START 59.242
HIERARCH ESO ISS PBL34 END 59.337
HIERARCH ESO ISS PBLA34 START 100.121
HIERARCH ESO ISS PBLA34 END 100.314
HIERARCH ESO ISS AMBI TAU0 START 0.002953
HIERARCH ESO ISS AMBI TAU0 END 0.001968
HIERARCH ESO ISS AMBI TEMP 11.18
HIERARCH ESO ISS AMBI FWHM START 1.17
HIERARCH ESO ISS AMBI FWHM END 1.41
HIERARCH ESO FT ROBJ NAME HD_73900
HIERARCH ESO FT ROBJ ALPHA 083922.108
HIERARCH ESO FT ROBJ DELTA -363624.011