Exposure
ID
GRAVI.2025-10-29T02:26:48.267_1
Header ID
GRAVI.2025-10-29T02:26:48.267
Date updated
2025-10-29 02:45:50 UTC+0000
Release date
2026-10-29 02:45:50 UTC+0000
UTC Start
2025-10-29 02:26:48.267
UTC End
2025-10-29 02:32:48.267
MJD Start
60977.10194754
MJD End
60977.10611420667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0076595
Ambient temperature (°C)
14.7
Seeing (arcsec)
0.405
Observation
ID
71036
Category
science
Program ID
116.28ZD.002
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
52716
Name
BD-07_5977
RA
349.442751
DEC
-6.47523
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 84.7470 83.9580 118.0000 118.5000
A0-J2 124.8550 123.9000 94.4000 94.6000
A0-K0 126.8540 126.3660 73.4290 73.5380
G1-J2 58.2070 58.1550 58.6000 58.8000
G1-K0 89.2610 89.4650 31.6080 31.9940
J2-K0 45.7970 45.7720 356.3600 357.0940
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28ZD.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60977.10194754
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME BD-07 5977
HIERARCH ESO INS SOBJ NAME BD-07_5977
RA 349.442751
DEC -6.47523
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 84.747
HIERARCH ESO ISS PBL12 END 83.958
HIERARCH ESO ISS PBLA12 START 118.0
HIERARCH ESO ISS PBLA12 END 118.5
HIERARCH ESO ISS PBL13 START 124.855
HIERARCH ESO ISS PBL13 END 123.9
HIERARCH ESO ISS PBLA13 START 94.4
HIERARCH ESO ISS PBLA13 END 94.6
HIERARCH ESO ISS PBL14 START 126.854
HIERARCH ESO ISS PBL14 END 126.366
HIERARCH ESO ISS PBLA14 START 73.429
HIERARCH ESO ISS PBLA14 END 73.538
HIERARCH ESO ISS PBL23 START 58.207
HIERARCH ESO ISS PBL23 END 58.155
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.8
HIERARCH ESO ISS PBL24 START 89.261
HIERARCH ESO ISS PBL24 END 89.465
HIERARCH ESO ISS PBLA24 START 31.608
HIERARCH ESO ISS PBLA24 END 31.994
HIERARCH ESO ISS PBL34 START 45.797
HIERARCH ESO ISS PBL34 END 45.772
HIERARCH ESO ISS PBLA34 START 356.36
HIERARCH ESO ISS PBLA34 END 357.094
HIERARCH ESO ISS AMBI TAU0 START 0.00764
HIERARCH ESO ISS AMBI TAU0 END 0.007679
HIERARCH ESO ISS AMBI TEMP 14.7
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.4