Exposure
ID
GRAVI.2025-10-04T00:35:45.411_1
Header ID
GRAVI.2025-10-04T00:35:45.411
Date updated
2025-10-04 00:45:38 UTC+0000
Release date
2025-10-04 00:35:45 UTC+0000
UTC Start
2025-10-04 00:35:45.411
UTC End
2025-10-04 00:38:25.411
MJD Start
60952.02483115
MJD End
60952.02668300186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004125
Ambient temperature (°C)
12.62
Seeing (arcsec)
0.63
Observation
ID
70601
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
52361
Name
TYC_1109-1354-1
RA
318.559261
DEC
10.14808
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 46.6220 46.8100 28.0000 28.3000
U1-U3 85.7080 86.1130 35.5000 35.7000
U1-U4 119.8780 120.4470 65.2400 65.2360
U2-U3 39.9460 40.1550 44.2000 44.4000
U2-U4 87.4290 87.6550 84.0620 83.9480
U3-U4 62.2490 62.1820 108.3280 108.2190
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 60952.02483115
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME TYC 1109-1354-1
HIERARCH ESO INS SOBJ NAME TYC_1109-1354-1
RA 318.559261
DEC 10.14808
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 46.622
HIERARCH ESO ISS PBL12 END 46.81
HIERARCH ESO ISS PBLA12 START 28.0
HIERARCH ESO ISS PBLA12 END 28.3
HIERARCH ESO ISS PBL13 START 85.708
HIERARCH ESO ISS PBL13 END 86.113
HIERARCH ESO ISS PBLA13 START 35.5
HIERARCH ESO ISS PBLA13 END 35.7
HIERARCH ESO ISS PBL14 START 119.878
HIERARCH ESO ISS PBL14 END 120.447
HIERARCH ESO ISS PBLA14 START 65.24
HIERARCH ESO ISS PBLA14 END 65.236
HIERARCH ESO ISS PBL23 START 39.946
HIERARCH ESO ISS PBL23 END 40.155
HIERARCH ESO ISS PBLA23 START 44.2
HIERARCH ESO ISS PBLA23 END 44.4
HIERARCH ESO ISS PBL24 START 87.429
HIERARCH ESO ISS PBL24 END 87.655
HIERARCH ESO ISS PBLA24 START 84.062
HIERARCH ESO ISS PBLA24 END 83.948
HIERARCH ESO ISS PBL34 START 62.249
HIERARCH ESO ISS PBL34 END 62.182
HIERARCH ESO ISS PBLA34 START 108.328
HIERARCH ESO ISS PBLA34 END 108.219
HIERARCH ESO ISS AMBI TAU0 START 0.004067
HIERARCH ESO ISS AMBI TAU0 END 0.004183
HIERARCH ESO ISS AMBI TEMP 12.62
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.73