Exposure
ID
GRAVI.2025-10-29T02:20:15.251_1
Header ID
GRAVI.2025-10-29T02:20:15.251
Date updated
2025-10-29 02:35:55 UTC+0000
Release date
2026-10-29 02:35:54 UTC+0000
UTC Start
2025-10-29 02:20:15.251
UTC End
2025-10-29 02:26:15.251
MJD Start
60977.09739874
MJD End
60977.101565406665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0075
Ambient temperature (°C)
14.29
Seeing (arcsec)
0.44999999999999996
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 85.5140 84.7750 117.6000 118.0000
A0-J2 125.7450 124.8890 94.2000 94.4000
A0-K0 127.2660 126.8700 73.3050 73.4250
G1-J2 58.2290 58.2090 58.4000 58.6000
G1-K0 89.0330 89.2530 31.1890 31.5940
J2-K0 45.8300 45.7990 355.6020 356.3310
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 60977.09739874
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 85.514
HIERARCH ESO ISS PBL12 END 84.775
HIERARCH ESO ISS PBLA12 START 117.6
HIERARCH ESO ISS PBLA12 END 118.0
HIERARCH ESO ISS PBL13 START 125.745
HIERARCH ESO ISS PBL13 END 124.889
HIERARCH ESO ISS PBLA13 START 94.2
HIERARCH ESO ISS PBLA13 END 94.4
HIERARCH ESO ISS PBL14 START 127.266
HIERARCH ESO ISS PBL14 END 126.87
HIERARCH ESO ISS PBLA14 START 73.305
HIERARCH ESO ISS PBLA14 END 73.425
HIERARCH ESO ISS PBL23 START 58.229
HIERARCH ESO ISS PBL23 END 58.209
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 89.033
HIERARCH ESO ISS PBL24 END 89.253
HIERARCH ESO ISS PBLA24 START 31.189
HIERARCH ESO ISS PBLA24 END 31.594
HIERARCH ESO ISS PBL34 START 45.83
HIERARCH ESO ISS PBL34 END 45.799
HIERARCH ESO ISS PBLA34 START 355.602
HIERARCH ESO ISS PBLA34 END 356.331
HIERARCH ESO ISS AMBI TAU0 START 0.00736
HIERARCH ESO ISS AMBI TAU0 END 0.00764
HIERARCH ESO ISS AMBI TEMP 14.29
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.41