Exposure
ID
GRAVI.2025-10-05T05:31:57.795_1
Header ID
GRAVI.2025-10-05T05:31:57.795
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 05:31:57.795
UTC End
2025-10-05 05:34:37.795
MJD Start
60953.23053004
MJD End
60953.23238189185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003919000000000001
Ambient temperature (°C)
10.86
Seeing (arcsec)
0.6100000000000001
Observation
ID
70697
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
52457
Name
CPD-71__172
RA
43.38565
DEC
-71.3751
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 44.4770 44.4200 23.4000 24.0000
U1-U3 84.2120 84.0930 30.1000 30.6000
U1-U4 124.9420 124.8220 53.7520 54.3920
U2-U3 40.3580 40.3000 37.4000 37.9000
U2-U4 89.4120 89.4050 68.2930 68.9730
U3-U4 58.5970 58.6840 89.0350 89.7180
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 60953.23053004
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME CPD-71 172
HIERARCH ESO INS SOBJ NAME CPD-71__172
RA 43.38565
DEC -71.3751
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 44.477
HIERARCH ESO ISS PBL12 END 44.42
HIERARCH ESO ISS PBLA12 START 23.4
HIERARCH ESO ISS PBLA12 END 24.0
HIERARCH ESO ISS PBL13 START 84.212
HIERARCH ESO ISS PBL13 END 84.093
HIERARCH ESO ISS PBLA13 START 30.1
HIERARCH ESO ISS PBLA13 END 30.6
HIERARCH ESO ISS PBL14 START 124.942
HIERARCH ESO ISS PBL14 END 124.822
HIERARCH ESO ISS PBLA14 START 53.752
HIERARCH ESO ISS PBLA14 END 54.392
HIERARCH ESO ISS PBL23 START 40.358
HIERARCH ESO ISS PBL23 END 40.3
HIERARCH ESO ISS PBLA23 START 37.4
HIERARCH ESO ISS PBLA23 END 37.9
HIERARCH ESO ISS PBL24 START 89.412
HIERARCH ESO ISS PBL24 END 89.405
HIERARCH ESO ISS PBLA24 START 68.293
HIERARCH ESO ISS PBLA24 END 68.973
HIERARCH ESO ISS PBL34 START 58.597
HIERARCH ESO ISS PBL34 END 58.684
HIERARCH ESO ISS PBLA34 START 89.035
HIERARCH ESO ISS PBLA34 END 89.718
HIERARCH ESO ISS AMBI TAU0 START 0.004094
HIERARCH ESO ISS AMBI TAU0 END 0.003744
HIERARCH ESO ISS AMBI TEMP 10.86
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.68