Exposure
ID
GRAVI.2025-10-04T00:38:57.420_1
Header ID
GRAVI.2025-10-04T00:38:57.420
Date updated
2025-10-04 00:50:34 UTC+0000
Release date
2025-10-04 00:38:57 UTC+0000
UTC Start
2025-10-04 00:38:57.420
UTC End
2025-10-04 00:41:37.420
MJD Start
60952.02705347
MJD End
60952.02890532186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003995
Ambient temperature (°C)
12.59
Seeing (arcsec)
0.6599999999999999
Observation
ID
70602
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
52362
Name
TYC_1109-1354-1
RA
318.559262
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 46.8270 47.0150 28.3000 28.6000
U1-U3 86.1500 86.5540 35.8000 36.0000
U1-U4 120.4980 121.0500 65.2350 65.2270
U2-U3 40.1740 40.3800 44.4000 44.6000
U2-U4 87.6760 87.8880 83.9380 83.8230
U3-U4 62.1760 62.0990 108.2090 108.1030
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 60952.02705347
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 318.559262
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 46.827
HIERARCH ESO ISS PBL12 END 47.015
HIERARCH ESO ISS PBLA12 START 28.3
HIERARCH ESO ISS PBLA12 END 28.6
HIERARCH ESO ISS PBL13 START 86.15
HIERARCH ESO ISS PBL13 END 86.554
HIERARCH ESO ISS PBLA13 START 35.8
HIERARCH ESO ISS PBLA13 END 36.0
HIERARCH ESO ISS PBL14 START 120.498
HIERARCH ESO ISS PBL14 END 121.05
HIERARCH ESO ISS PBLA14 START 65.235
HIERARCH ESO ISS PBLA14 END 65.227
HIERARCH ESO ISS PBL23 START 40.174
HIERARCH ESO ISS PBL23 END 40.38
HIERARCH ESO ISS PBLA23 START 44.4
HIERARCH ESO ISS PBLA23 END 44.6
HIERARCH ESO ISS PBL24 START 87.676
HIERARCH ESO ISS PBL24 END 87.888
HIERARCH ESO ISS PBLA24 START 83.938
HIERARCH ESO ISS PBLA24 END 83.823
HIERARCH ESO ISS PBL34 START 62.176
HIERARCH ESO ISS PBL34 END 62.099
HIERARCH ESO ISS PBLA34 START 108.209
HIERARCH ESO ISS PBLA34 END 108.103
HIERARCH ESO ISS AMBI TAU0 START 0.004183
HIERARCH ESO ISS AMBI TAU0 END 0.003807
HIERARCH ESO ISS AMBI TEMP 12.59
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.59