Exposure
ID
GRAVI.2025-10-05T05:15:45.754_1
Header ID
GRAVI.2025-10-05T05:15:45.754
Date updated
2025-10-05 05:25:41 UTC+0000
Release date
2025-10-05 05:15:45 UTC+0000
UTC Start
2025-10-05 05:15:45.754
UTC End
2025-10-05 05:18:25.754
MJD Start
60953.21927956
MJD End
60953.221131411854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004743
Ambient temperature (°C)
10.77
Seeing (arcsec)
0.515
Observation
ID
70695
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
52455
Name
TYC_9142-736-1
RA
19.605814
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 41.4250 41.3370 38.6000 39.1000
U1-U3 78.5570 78.3840 46.1000 46.6000
U1-U4 120.2650 120.0910 72.0670 72.7350
U2-U3 37.8670 37.7860 54.2000 54.8000
U2-U4 88.6990 88.6570 86.9890 87.6810
U3-U4 60.4330 60.4870 106.8060 107.4840
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 60953.21927956
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 19.605814
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 41.425
HIERARCH ESO ISS PBL12 END 41.337
HIERARCH ESO ISS PBLA12 START 38.6
HIERARCH ESO ISS PBLA12 END 39.1
HIERARCH ESO ISS PBL13 START 78.557
HIERARCH ESO ISS PBL13 END 78.384
HIERARCH ESO ISS PBLA13 START 46.1
HIERARCH ESO ISS PBLA13 END 46.6
HIERARCH ESO ISS PBL14 START 120.265
HIERARCH ESO ISS PBL14 END 120.091
HIERARCH ESO ISS PBLA14 START 72.067
HIERARCH ESO ISS PBLA14 END 72.735
HIERARCH ESO ISS PBL23 START 37.867
HIERARCH ESO ISS PBL23 END 37.786
HIERARCH ESO ISS PBLA23 START 54.2
HIERARCH ESO ISS PBLA23 END 54.8
HIERARCH ESO ISS PBL24 START 88.699
HIERARCH ESO ISS PBL24 END 88.657
HIERARCH ESO ISS PBLA24 START 86.989
HIERARCH ESO ISS PBLA24 END 87.681
HIERARCH ESO ISS PBL34 START 60.433
HIERARCH ESO ISS PBL34 END 60.487
HIERARCH ESO ISS PBLA34 START 106.806
HIERARCH ESO ISS PBLA34 END 107.484
HIERARCH ESO ISS AMBI TAU0 START 0.004599
HIERARCH ESO ISS AMBI TAU0 END 0.004887
HIERARCH ESO ISS AMBI TEMP 10.77
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.53