Exposure
ID
GRAVI.2025-10-05T05:46:36.833_1
Header ID
GRAVI.2025-10-05T05:46:36.833
Date updated
2025-10-05 05:55:45 UTC+0000
Release date
2026-10-05 05:55:45 UTC+0000
UTC Start
2025-10-05 05:46:36.833
UTC End
2025-10-05 05:49:16.833
MJD Start
60953.24070408
MJD End
60953.24255593186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005346
Ambient temperature (°C)
11.04
Seeing (arcsec)
0.5700000000000001
Observation
ID
70700
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
52460
Name
CPD-71__172
RA
43.38564
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 44.1750 44.1110 26.1000 26.6000
U1-U3 83.5830 83.4510 32.8000 33.4000
U1-U4 124.3050 124.1710 57.0150 57.6630
U2-U3 40.0540 39.9910 40.3000 40.9000
U2-U4 89.3630 89.3490 71.7460 72.4310
U3-U4 59.0290 59.1120 92.4940 93.1780
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 60953.24070408
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME CPD-71 172
HIERARCH ESO INS SOBJ NAME CPD-71__172
RA 43.38564
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 44.175
HIERARCH ESO ISS PBL12 END 44.111
HIERARCH ESO ISS PBLA12 START 26.1
HIERARCH ESO ISS PBLA12 END 26.6
HIERARCH ESO ISS PBL13 START 83.583
HIERARCH ESO ISS PBL13 END 83.451
HIERARCH ESO ISS PBLA13 START 32.8
HIERARCH ESO ISS PBLA13 END 33.4
HIERARCH ESO ISS PBL14 START 124.305
HIERARCH ESO ISS PBL14 END 124.171
HIERARCH ESO ISS PBLA14 START 57.015
HIERARCH ESO ISS PBLA14 END 57.663
HIERARCH ESO ISS PBL23 START 40.054
HIERARCH ESO ISS PBL23 END 39.991
HIERARCH ESO ISS PBLA23 START 40.3
HIERARCH ESO ISS PBLA23 END 40.9
HIERARCH ESO ISS PBL24 START 89.363
HIERARCH ESO ISS PBL24 END 89.349
HIERARCH ESO ISS PBLA24 START 71.746
HIERARCH ESO ISS PBLA24 END 72.431
HIERARCH ESO ISS PBL34 START 59.029
HIERARCH ESO ISS PBL34 END 59.112
HIERARCH ESO ISS PBLA34 START 92.494
HIERARCH ESO ISS PBLA34 END 93.178
HIERARCH ESO ISS AMBI TAU0 START 0.005426
HIERARCH ESO ISS AMBI TAU0 END 0.005266
HIERARCH ESO ISS AMBI TEMP 11.04
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.58