Exposure
ID
GRAVI.2025-10-05T05:28:48.788_1
Header ID
GRAVI.2025-10-05T05:28:48.788
Date updated
2025-10-05 05:41:38 UTC+0000
Release date
2026-10-05 05:41:38 UTC+0000
UTC Start
2025-10-05 05:28:48.788
UTC End
2025-10-05 05:31:28.788
MJD Start
60953.22834245
MJD End
60953.230194301854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0043705
Ambient temperature (°C)
10.85
Seeing (arcsec)
0.56
Observation
ID
70696
Category
science
Program ID
116.28ZD.003
Program Title
DO SOME HOT SUBDWARF BINARIES DESCEND FROM HIERARCHICAL TRIPLES? NEW INSIGHTS FROM INTERFEROMETRY
Program Type
Normal
PI / COI
DESHMUKH / GEIER / SANA / DAWSON / DORSCH / HEBER / KUPFER
Target
ID
52456
Name
CPD-71__172
RA
43.385641
DEC
-71.37509
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 44.5380 44.4820 22.9000 23.4000
U1-U3 84.3400 84.2240 29.5000 30.0000
U1-U4 125.0720 124.9540 53.0450 53.6870
U2-U3 40.4210 40.3640 36.7000 37.3000
U2-U4 89.4190 89.4130 67.5430 68.2240
U3-U4 58.5000 58.5880 88.2810 88.9650
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28ZD.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60953.22834245
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME CPD-71 172
HIERARCH ESO INS SOBJ NAME CPD-71__172
RA 43.385641
DEC -71.37509
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 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 44.538
HIERARCH ESO ISS PBL12 END 44.482
HIERARCH ESO ISS PBLA12 START 22.9
HIERARCH ESO ISS PBLA12 END 23.4
HIERARCH ESO ISS PBL13 START 84.34
HIERARCH ESO ISS PBL13 END 84.224
HIERARCH ESO ISS PBLA13 START 29.5
HIERARCH ESO ISS PBLA13 END 30.0
HIERARCH ESO ISS PBL14 START 125.072
HIERARCH ESO ISS PBL14 END 124.954
HIERARCH ESO ISS PBLA14 START 53.045
HIERARCH ESO ISS PBLA14 END 53.687
HIERARCH ESO ISS PBL23 START 40.421
HIERARCH ESO ISS PBL23 END 40.364
HIERARCH ESO ISS PBLA23 START 36.7
HIERARCH ESO ISS PBLA23 END 37.3
HIERARCH ESO ISS PBL24 START 89.419
HIERARCH ESO ISS PBL24 END 89.413
HIERARCH ESO ISS PBLA24 START 67.543
HIERARCH ESO ISS PBLA24 END 68.224
HIERARCH ESO ISS PBL34 START 58.5
HIERARCH ESO ISS PBL34 END 58.588
HIERARCH ESO ISS PBLA34 START 88.281
HIERARCH ESO ISS PBLA34 END 88.965
HIERARCH ESO ISS AMBI TAU0 START 0.004647
HIERARCH ESO ISS AMBI TAU0 END 0.004094
HIERARCH ESO ISS AMBI TEMP 10.85
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.54