Exposure
ID
GRAVI.2025-10-05T05:38:21.811_1
Header ID
GRAVI.2025-10-05T05:38:21.811
Date updated
2025-10-05 05:46:03 UTC+0000
Release date
2026-10-05 05:46:03 UTC+0000
UTC Start
2025-10-05 05:38:21.811
UTC End
2025-10-05 05:41:01.811
MJD Start
60953.23497467
MJD End
60953.236826521854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004464
Ambient temperature (°C)
10.96
Seeing (arcsec)
0.56
Observation
ID
70699
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
52459
Name
CPD-71__172
RA
43.38563
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 44.3490 44.2890 24.6000 25.1000
U1-U3 83.9450 83.8190 31.3000 31.8000
U1-U4 124.6710 124.5450 55.1750 55.8230
U2-U3 40.2290 40.1680 38.6000 39.2000
U2-U4 89.3950 89.3850 69.8000 70.4860
U3-U4 58.7890 58.8740 90.5470 91.2340
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 60953.23497467
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME CPD-71 172
HIERARCH ESO INS SOBJ NAME CPD-71__172
RA 43.38563
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 44.349
HIERARCH ESO ISS PBL12 END 44.289
HIERARCH ESO ISS PBLA12 START 24.6
HIERARCH ESO ISS PBLA12 END 25.1
HIERARCH ESO ISS PBL13 START 83.945
HIERARCH ESO ISS PBL13 END 83.819
HIERARCH ESO ISS PBLA13 START 31.3
HIERARCH ESO ISS PBLA13 END 31.8
HIERARCH ESO ISS PBL14 START 124.671
HIERARCH ESO ISS PBL14 END 124.545
HIERARCH ESO ISS PBLA14 START 55.175
HIERARCH ESO ISS PBLA14 END 55.823
HIERARCH ESO ISS PBL23 START 40.229
HIERARCH ESO ISS PBL23 END 40.168
HIERARCH ESO ISS PBLA23 START 38.6
HIERARCH ESO ISS PBLA23 END 39.2
HIERARCH ESO ISS PBL24 START 89.395
HIERARCH ESO ISS PBL24 END 89.385
HIERARCH ESO ISS PBLA24 START 69.8
HIERARCH ESO ISS PBLA24 END 70.486
HIERARCH ESO ISS PBL34 START 58.789
HIERARCH ESO ISS PBL34 END 58.874
HIERARCH ESO ISS PBLA34 START 90.547
HIERARCH ESO ISS PBLA34 END 91.234
HIERARCH ESO ISS AMBI TAU0 START 0.004514
HIERARCH ESO ISS AMBI TAU0 END 0.004414
HIERARCH ESO ISS AMBI TEMP 10.96
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.57