Exposure
ID
GRAVI.2025-10-04T00:32:36.404_1
Header ID
GRAVI.2025-10-04T00:32:36.404
Date updated
2025-10-04 00:40:38 UTC+0000
Release date
2025-10-04 00:32:36 UTC+0000
UTC Start
2025-10-04 00:32:36.404
UTC End
2025-10-04 00:35:16.404
MJD Start
60952.02264356
MJD End
60952.02449541185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003662
Ambient temperature (°C)
12.66
Seeing (arcsec)
0.575
Observation
ID
70600
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
52360
Name
TYC_1109-1354-1
RA
318.559259
DEC
10.14806
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 46.4170 46.6040 27.7000 28.0000
U1-U3 85.2630 85.6690 35.2000 35.5000
U1-U4 119.2400 119.8240 65.2400 65.2400
U2-U3 39.7160 39.9260 44.0000 44.2000
U2-U4 87.1660 87.4060 84.1850 84.0730
U3-U4 62.3120 62.2550 108.4500 108.3390
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 60952.02264356
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 318.559259
DEC 10.14806
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 46.417
HIERARCH ESO ISS PBL12 END 46.604
HIERARCH ESO ISS PBLA12 START 27.7
HIERARCH ESO ISS PBLA12 END 28.0
HIERARCH ESO ISS PBL13 START 85.263
HIERARCH ESO ISS PBL13 END 85.669
HIERARCH ESO ISS PBLA13 START 35.2
HIERARCH ESO ISS PBLA13 END 35.5
HIERARCH ESO ISS PBL14 START 119.24
HIERARCH ESO ISS PBL14 END 119.824
HIERARCH ESO ISS PBLA14 START 65.24
HIERARCH ESO ISS PBLA14 END 65.24
HIERARCH ESO ISS PBL23 START 39.716
HIERARCH ESO ISS PBL23 END 39.926
HIERARCH ESO ISS PBLA23 START 44.0
HIERARCH ESO ISS PBLA23 END 44.2
HIERARCH ESO ISS PBL24 START 87.166
HIERARCH ESO ISS PBL24 END 87.406
HIERARCH ESO ISS PBLA24 START 84.185
HIERARCH ESO ISS PBLA24 END 84.073
HIERARCH ESO ISS PBL34 START 62.312
HIERARCH ESO ISS PBL34 END 62.255
HIERARCH ESO ISS PBLA34 START 108.45
HIERARCH ESO ISS PBLA34 END 108.339
HIERARCH ESO ISS AMBI TAU0 START 0.00341
HIERARCH ESO ISS AMBI TAU0 END 0.003914
HIERARCH ESO ISS AMBI TEMP 12.66
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.53