Exposure
ID
GRAVI.2025-10-05T05:49:48.841_1
Header ID
GRAVI.2025-10-05T05:49:48.841
Date updated
2025-10-05 06:00:55 UTC+0000
Release date
2026-10-05 06:00:55 UTC+0000
UTC Start
2025-10-05 05:49:48.841
UTC End
2025-10-05 05:52:28.841
MJD Start
60953.2429264
MJD End
60953.24477825186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0055385
Ambient temperature (°C)
11.09
Seeing (arcsec)
0.59
Observation
ID
70701
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
52461
Name
CPD-71__172
RA
43.385626
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 44.1040 44.0390 26.6000 27.2000
U1-U3 83.4360 83.3030 33.4000 34.0000
U1-U4 124.1560 124.0210 57.7360 58.3790
U2-U3 39.9840 39.9200 40.9000 41.5000
U2-U4 89.3470 89.3310 72.5080 73.1860
U3-U4 59.1210 59.2020 93.2550 93.9310
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 60953.2429264
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME CPD-71 172
HIERARCH ESO INS SOBJ NAME CPD-71__172
RA 43.385626
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 44.104
HIERARCH ESO ISS PBL12 END 44.039
HIERARCH ESO ISS PBLA12 START 26.6
HIERARCH ESO ISS PBLA12 END 27.2
HIERARCH ESO ISS PBL13 START 83.436
HIERARCH ESO ISS PBL13 END 83.303
HIERARCH ESO ISS PBLA13 START 33.4
HIERARCH ESO ISS PBLA13 END 34.0
HIERARCH ESO ISS PBL14 START 124.156
HIERARCH ESO ISS PBL14 END 124.021
HIERARCH ESO ISS PBLA14 START 57.736
HIERARCH ESO ISS PBLA14 END 58.379
HIERARCH ESO ISS PBL23 START 39.984
HIERARCH ESO ISS PBL23 END 39.92
HIERARCH ESO ISS PBLA23 START 40.9
HIERARCH ESO ISS PBLA23 END 41.5
HIERARCH ESO ISS PBL24 START 89.347
HIERARCH ESO ISS PBL24 END 89.331
HIERARCH ESO ISS PBLA24 START 72.508
HIERARCH ESO ISS PBLA24 END 73.186
HIERARCH ESO ISS PBL34 START 59.121
HIERARCH ESO ISS PBL34 END 59.202
HIERARCH ESO ISS PBLA34 START 93.255
HIERARCH ESO ISS PBLA34 END 93.931
HIERARCH ESO ISS AMBI TAU0 START 0.005266
HIERARCH ESO ISS AMBI TAU0 END 0.005811
HIERARCH ESO ISS AMBI TEMP 11.09
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.57