Exposure
ID
GRAVI.2025-11-11T04:26:06.952_1
Header ID
GRAVI.2025-11-11T04:26:06.952
Date updated
2025-11-11 04:36:00 UTC+0000
Release date
2026-11-11 04:35:59 UTC+0000
UTC Start
2025-11-11 04:26:06.952
UTC End
2025-11-11 04:28:46.952
MJD Start
60990.18480268
MJD End
60990.186654531855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003462
Ambient temperature (°C)
13.82
Seeing (arcsec)
0.6950000000000001
Observation
ID
71449
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
53063
Name
HD_283048
RA
58.309643
DEC
25.75539
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 36.2510 36.5230 33.2000 33.6000
U1-U3 68.3880 68.9750 42.4000 42.7000
U1-U4 109.6440 110.4060 73.6080 73.4090
U2-U3 33.1130 33.4100 52.5000 52.6000
U2-U4 85.3130 85.6130 89.5810 89.2670
U3-U4 62.1800 62.1110 108.3040 108.0080
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 60990.18480268
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 283048
HIERARCH ESO INS SOBJ NAME HD_283048
RA 58.309643
DEC 25.75539
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 36.251
HIERARCH ESO ISS PBL12 END 36.523
HIERARCH ESO ISS PBLA12 START 33.2
HIERARCH ESO ISS PBLA12 END 33.6
HIERARCH ESO ISS PBL13 START 68.388
HIERARCH ESO ISS PBL13 END 68.975
HIERARCH ESO ISS PBLA13 START 42.4
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 109.644
HIERARCH ESO ISS PBL14 END 110.406
HIERARCH ESO ISS PBLA14 START 73.608
HIERARCH ESO ISS PBLA14 END 73.409
HIERARCH ESO ISS PBL23 START 33.113
HIERARCH ESO ISS PBL23 END 33.41
HIERARCH ESO ISS PBLA23 START 52.5
HIERARCH ESO ISS PBLA23 END 52.6
HIERARCH ESO ISS PBL24 START 85.313
HIERARCH ESO ISS PBL24 END 85.613
HIERARCH ESO ISS PBLA24 START 89.581
HIERARCH ESO ISS PBLA24 END 89.267
HIERARCH ESO ISS PBL34 START 62.18
HIERARCH ESO ISS PBL34 END 62.111
HIERARCH ESO ISS PBLA34 START 108.304
HIERARCH ESO ISS PBLA34 END 108.008
HIERARCH ESO ISS AMBI TAU0 START 0.003213
HIERARCH ESO ISS AMBI TAU0 END 0.003711
HIERARCH ESO ISS AMBI TEMP 13.82
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.65