Exposure
ID
GRAVI.2025-11-11T04:32:27.968_1
Header ID
GRAVI.2025-11-11T04:32:27.968
Date updated
2025-11-11 04:41:06 UTC+0000
Release date
2026-11-11 04:41:06 UTC+0000
UTC Start
2025-11-11 04:32:27.968
UTC End
2025-11-11 04:35:07.968
MJD Start
60990.18921259
MJD End
60990.19106444185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0038575
Ambient temperature (°C)
13.86
Seeing (arcsec)
0.74
Observation
ID
71450
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
53064
Name
HD_283048
RA
58.309632
DEC
25.75538
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 36.8460 37.1200 34.0000 34.3000
U1-U3 69.6670 70.2500 42.9000 43.1000
U1-U4 111.2900 112.0220 73.1720 72.9690
U2-U3 33.7570 34.0480 52.7000 52.7000
U2-U4 85.9550 86.2310 88.8960 88.5830
U3-U4 62.0200 61.9340 107.6600 107.3690
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 60990.18921259
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 283048
HIERARCH ESO INS SOBJ NAME HD_283048
RA 58.309632
DEC 25.75538
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 36.846
HIERARCH ESO ISS PBL12 END 37.12
HIERARCH ESO ISS PBLA12 START 34.0
HIERARCH ESO ISS PBLA12 END 34.3
HIERARCH ESO ISS PBL13 START 69.667
HIERARCH ESO ISS PBL13 END 70.25
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 111.29
HIERARCH ESO ISS PBL14 END 112.022
HIERARCH ESO ISS PBLA14 START 73.172
HIERARCH ESO ISS PBLA14 END 72.969
HIERARCH ESO ISS PBL23 START 33.757
HIERARCH ESO ISS PBL23 END 34.048
HIERARCH ESO ISS PBLA23 START 52.7
HIERARCH ESO ISS PBLA23 END 52.7
HIERARCH ESO ISS PBL24 START 85.955
HIERARCH ESO ISS PBL24 END 86.231
HIERARCH ESO ISS PBLA24 START 88.896
HIERARCH ESO ISS PBLA24 END 88.583
HIERARCH ESO ISS PBL34 START 62.02
HIERARCH ESO ISS PBL34 END 61.934
HIERARCH ESO ISS PBLA34 START 107.66
HIERARCH ESO ISS PBLA34 END 107.369
HIERARCH ESO ISS AMBI TAU0 START 0.004076
HIERARCH ESO ISS AMBI TAU0 END 0.003639
HIERARCH ESO ISS AMBI TEMP 13.86
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.81