Exposure
ID
GRAVI.2025-10-05T05:12:33.746_1
Header ID
GRAVI.2025-10-05T05:12:33.746
Date updated
2025-10-05 05:21:29 UTC+0000
Release date
2025-10-05 05:12:33 UTC+0000
UTC Start
2025-10-05 05:12:33.746
UTC End
2025-10-05 05:15:13.746
MJD Start
60953.21705725
MJD End
60953.21890910186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0048855
Ambient temperature (°C)
10.79
Seeing (arcsec)
0.515
Observation
ID
70694
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
52454
Name
TYC_9142-736-1
RA
19.605819
DEC
-73.41238
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 41.5210 41.4340 38.0000 38.5000
U1-U3 78.7470 78.5750 45.4000 46.0000
U1-U4 120.4550 120.2830 71.3280 71.9960
U2-U3 37.9560 37.8760 53.6000 54.2000
U2-U4 88.7450 88.7040 86.2220 86.9150
U3-U4 60.3710 60.4270 106.0540 106.7340
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 60953.21705725
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 19.605819
DEC -73.41238
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 41.521
HIERARCH ESO ISS PBL12 END 41.434
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.5
HIERARCH ESO ISS PBL13 START 78.747
HIERARCH ESO ISS PBL13 END 78.575
HIERARCH ESO ISS PBLA13 START 45.4
HIERARCH ESO ISS PBLA13 END 46.0
HIERARCH ESO ISS PBL14 START 120.455
HIERARCH ESO ISS PBL14 END 120.283
HIERARCH ESO ISS PBLA14 START 71.328
HIERARCH ESO ISS PBLA14 END 71.996
HIERARCH ESO ISS PBL23 START 37.956
HIERARCH ESO ISS PBL23 END 37.876
HIERARCH ESO ISS PBLA23 START 53.6
HIERARCH ESO ISS PBLA23 END 54.2
HIERARCH ESO ISS PBL24 START 88.745
HIERARCH ESO ISS PBL24 END 88.704
HIERARCH ESO ISS PBLA24 START 86.222
HIERARCH ESO ISS PBLA24 END 86.915
HIERARCH ESO ISS PBL34 START 60.371
HIERARCH ESO ISS PBL34 END 60.427
HIERARCH ESO ISS PBLA34 START 106.054
HIERARCH ESO ISS PBLA34 END 106.734
HIERARCH ESO ISS AMBI TAU0 START 0.005172
HIERARCH ESO ISS AMBI TAU0 END 0.004599
HIERARCH ESO ISS AMBI TEMP 10.79
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.5