Exposure
ID
GRAVI.2025-10-05T05:06:09.730_1
Header ID
GRAVI.2025-10-05T05:06:09.730
Date updated
2025-10-05 05:16:00 UTC+0000
Release date
2025-10-05 05:06:09 UTC+0000
UTC Start
2025-10-05 05:06:09.730
UTC End
2025-10-05 05:08:49.730
MJD Start
60953.21261261
MJD End
60953.21446446185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0040415
Ambient temperature (°C)
10.79
Seeing (arcsec)
0.575
Observation
ID
70693
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
52453
Name
TYC_9142-736-1
RA
19.605818
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 41.7080 41.6240 36.8000 37.4000
U1-U3 79.1170 78.9500 44.2000 44.7000
U1-U4 120.8270 120.6600 69.8580 70.5240
U2-U3 38.1290 38.0510 52.2000 52.8000
U2-U4 88.8300 88.7920 84.6930 85.3860
U3-U4 60.2440 60.3020 104.5540 105.2350
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 60953.21261261
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 19.605818
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 41.708
HIERARCH ESO ISS PBL12 END 41.624
HIERARCH ESO ISS PBLA12 START 36.8
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 79.117
HIERARCH ESO ISS PBL13 END 78.95
HIERARCH ESO ISS PBLA13 START 44.2
HIERARCH ESO ISS PBLA13 END 44.7
HIERARCH ESO ISS PBL14 START 120.827
HIERARCH ESO ISS PBL14 END 120.66
HIERARCH ESO ISS PBLA14 START 69.858
HIERARCH ESO ISS PBLA14 END 70.524
HIERARCH ESO ISS PBL23 START 38.129
HIERARCH ESO ISS PBL23 END 38.051
HIERARCH ESO ISS PBLA23 START 52.2
HIERARCH ESO ISS PBLA23 END 52.8
HIERARCH ESO ISS PBL24 START 88.83
HIERARCH ESO ISS PBL24 END 88.792
HIERARCH ESO ISS PBLA24 START 84.693
HIERARCH ESO ISS PBLA24 END 85.386
HIERARCH ESO ISS PBL34 START 60.244
HIERARCH ESO ISS PBL34 END 60.302
HIERARCH ESO ISS PBLA34 START 104.554
HIERARCH ESO ISS PBLA34 END 105.235
HIERARCH ESO ISS AMBI TAU0 START 0.003759
HIERARCH ESO ISS AMBI TAU0 END 0.004324
HIERARCH ESO ISS AMBI TEMP 10.79
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.55