Exposure
ID
GRAVI.2025-11-11T04:29:15.959_1
Header ID
GRAVI.2025-11-11T04:29:15.959
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 04:29:15.959
UTC End
2025-11-11 04:31:55.959
MJD Start
60990.18699027
MJD End
60990.188842121854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0038935
Ambient temperature (°C)
13.76
Seeing (arcsec)
0.66
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 36.5480 36.8210 33.6000 33.9000
U1-U3 69.0290 69.6140 42.7000 42.9000
U1-U4 110.4750 111.2220 73.3910 73.1900
U2-U3 33.4370 33.7310 52.6000 52.7000
U2-U4 85.6410 85.9290 89.2380 88.9250
U3-U4 62.1040 62.0270 107.9810 107.6870
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 60990.18699027
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 36.548
HIERARCH ESO ISS PBL12 END 36.821
HIERARCH ESO ISS PBLA12 START 33.6
HIERARCH ESO ISS PBLA12 END 33.9
HIERARCH ESO ISS PBL13 START 69.029
HIERARCH ESO ISS PBL13 END 69.614
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 110.475
HIERARCH ESO ISS PBL14 END 111.222
HIERARCH ESO ISS PBLA14 START 73.391
HIERARCH ESO ISS PBLA14 END 73.19
HIERARCH ESO ISS PBL23 START 33.437
HIERARCH ESO ISS PBL23 END 33.731
HIERARCH ESO ISS PBLA23 START 52.6
HIERARCH ESO ISS PBLA23 END 52.7
HIERARCH ESO ISS PBL24 START 85.641
HIERARCH ESO ISS PBL24 END 85.929
HIERARCH ESO ISS PBLA24 START 89.238
HIERARCH ESO ISS PBLA24 END 88.925
HIERARCH ESO ISS PBL34 START 62.104
HIERARCH ESO ISS PBL34 END 62.027
HIERARCH ESO ISS PBLA34 START 107.981
HIERARCH ESO ISS PBLA34 END 107.687
HIERARCH ESO ISS AMBI TAU0 START 0.003711
HIERARCH ESO ISS AMBI TAU0 END 0.004076
HIERARCH ESO ISS AMBI TEMP 13.76
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.67