Exposure
ID
GRAVI.2025-10-05T05:09:21.738_1
Header ID
GRAVI.2025-10-05T05:09:21.738
Date updated
2025-10-05 05:21:29 UTC+0000
Release date
2025-10-05 05:09:21 UTC+0000
UTC Start
2025-10-05 05:09:21.738
UTC End
2025-10-05 05:12:01.738
MJD Start
60953.21483493
MJD End
60953.21668678185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0041025
Ambient temperature (°C)
10.77
Seeing (arcsec)
0.54
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 41.6160 41.5310 37.4000 37.9000
U1-U3 78.9350 78.7660 44.8000 45.4000
U1-U4 120.6440 120.4750 70.5860 71.2530
U2-U3 38.0440 37.9650 52.9000 53.5000
U2-U4 88.7890 88.7490 85.4500 86.1440
U3-U4 60.3080 60.3650 105.2980 105.9780
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 60953.21483493
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 41.616
HIERARCH ESO ISS PBL12 END 41.531
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 78.935
HIERARCH ESO ISS PBL13 END 78.766
HIERARCH ESO ISS PBLA13 START 44.8
HIERARCH ESO ISS PBLA13 END 45.4
HIERARCH ESO ISS PBL14 START 120.644
HIERARCH ESO ISS PBL14 END 120.475
HIERARCH ESO ISS PBLA14 START 70.586
HIERARCH ESO ISS PBLA14 END 71.253
HIERARCH ESO ISS PBL23 START 38.044
HIERARCH ESO ISS PBL23 END 37.965
HIERARCH ESO ISS PBLA23 START 52.9
HIERARCH ESO ISS PBLA23 END 53.5
HIERARCH ESO ISS PBL24 START 88.789
HIERARCH ESO ISS PBL24 END 88.749
HIERARCH ESO ISS PBLA24 START 85.45
HIERARCH ESO ISS PBLA24 END 86.144
HIERARCH ESO ISS PBL34 START 60.308
HIERARCH ESO ISS PBL34 END 60.365
HIERARCH ESO ISS PBLA34 START 105.298
HIERARCH ESO ISS PBLA34 END 105.978
HIERARCH ESO ISS AMBI TAU0 START 0.004324
HIERARCH ESO ISS AMBI TAU0 END 0.003881
HIERARCH ESO ISS AMBI TEMP 10.77
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.53