Exposure
ID
GRAVI.2025-11-11T04:22:54.943_1
Header ID
GRAVI.2025-11-11T04:22:54.943
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 04:22:54.943
UTC End
2025-11-11 04:25:34.943
MJD Start
60990.18258036
MJD End
60990.184432211856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003299
Ambient temperature (°C)
13.91
Seeing (arcsec)
0.735
Observation
ID
71448
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
53062
Name
HD_283048
RA
58.309634
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 35.9510 36.2190 32.9000 33.2000
U1-U3 67.7390 68.3210 42.2000 42.4000
U1-U4 108.7860 109.5550 73.8260 73.6310
U2-U3 32.7840 33.0790 52.4000 52.5000
U2-U4 84.9680 85.2780 89.9300 89.6180
U3-U4 62.2480 62.1870 108.6320 108.3380
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 60990.18258036
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 283048
HIERARCH ESO INS SOBJ NAME HD_283048
RA 58.309634
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 35.951
HIERARCH ESO ISS PBL12 END 36.219
HIERARCH ESO ISS PBLA12 START 32.9
HIERARCH ESO ISS PBLA12 END 33.2
HIERARCH ESO ISS PBL13 START 67.739
HIERARCH ESO ISS PBL13 END 68.321
HIERARCH ESO ISS PBLA13 START 42.2
HIERARCH ESO ISS PBLA13 END 42.4
HIERARCH ESO ISS PBL14 START 108.786
HIERARCH ESO ISS PBL14 END 109.555
HIERARCH ESO ISS PBLA14 START 73.826
HIERARCH ESO ISS PBLA14 END 73.631
HIERARCH ESO ISS PBL23 START 32.784
HIERARCH ESO ISS PBL23 END 33.079
HIERARCH ESO ISS PBLA23 START 52.4
HIERARCH ESO ISS PBLA23 END 52.5
HIERARCH ESO ISS PBL24 START 84.968
HIERARCH ESO ISS PBL24 END 85.278
HIERARCH ESO ISS PBLA24 START 89.93
HIERARCH ESO ISS PBLA24 END 89.618
HIERARCH ESO ISS PBL34 START 62.248
HIERARCH ESO ISS PBL34 END 62.187
HIERARCH ESO ISS PBLA34 START 108.632
HIERARCH ESO ISS PBLA34 END 108.338
HIERARCH ESO ISS AMBI TAU0 START 0.003385
HIERARCH ESO ISS AMBI TAU0 END 0.003213
HIERARCH ESO ISS AMBI TEMP 13.91
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.74