Exposure
ID
GRAVI.2025-10-05T05:02:57.722_1
Header ID
GRAVI.2025-10-05T05:02:57.722
Date updated
2025-10-05 05:16:00 UTC+0000
Release date
2025-10-05 05:02:57 UTC+0000
UTC Start
2025-10-05 05:02:57.722
UTC End
2025-10-05 05:05:37.722
MJD Start
60953.2103903
MJD End
60953.21224215186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0041355
Ambient temperature (°C)
10.83
Seeing (arcsec)
0.5700000000000001
Observation
ID
70692
Category
calibrator
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
52452
Name
TYC_9142-736-1
RA
19.60582
DEC
-73.41237
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 41.8000 41.7180 36.2000 36.7000
U1-U3 79.2980 79.1360 43.5000 44.1000
U1-U4 121.0100 120.8460 69.1210 69.7810
U2-U3 38.2140 38.1380 51.6000 52.2000
U2-U4 88.8710 88.8350 83.9260 84.6140
U3-U4 60.1790 60.2380 103.8010 104.4760
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28ZD.003
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60953.2103903
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME TYC 9142-736-1
HIERARCH ESO INS SOBJ NAME TYC_9142-736-1
RA 19.60582
DEC -73.41237
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 41.8
HIERARCH ESO ISS PBL12 END 41.718
HIERARCH ESO ISS PBLA12 START 36.2
HIERARCH ESO ISS PBLA12 END 36.7
HIERARCH ESO ISS PBL13 START 79.298
HIERARCH ESO ISS PBL13 END 79.136
HIERARCH ESO ISS PBLA13 START 43.5
HIERARCH ESO ISS PBLA13 END 44.1
HIERARCH ESO ISS PBL14 START 121.01
HIERARCH ESO ISS PBL14 END 120.846
HIERARCH ESO ISS PBLA14 START 69.121
HIERARCH ESO ISS PBLA14 END 69.781
HIERARCH ESO ISS PBL23 START 38.214
HIERARCH ESO ISS PBL23 END 38.138
HIERARCH ESO ISS PBLA23 START 51.6
HIERARCH ESO ISS PBLA23 END 52.2
HIERARCH ESO ISS PBL24 START 88.871
HIERARCH ESO ISS PBL24 END 88.835
HIERARCH ESO ISS PBLA24 START 83.926
HIERARCH ESO ISS PBLA24 END 84.614
HIERARCH ESO ISS PBL34 START 60.179
HIERARCH ESO ISS PBL34 END 60.238
HIERARCH ESO ISS PBLA34 START 103.801
HIERARCH ESO ISS PBLA34 END 104.476
HIERARCH ESO ISS AMBI TAU0 START 0.004512
HIERARCH ESO ISS AMBI TAU0 END 0.003759
HIERARCH ESO ISS AMBI TEMP 10.83
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.6