Exposure
ID
GRAVI.2025-11-12T08:19:37.129_1
Header ID
GRAVI.2025-11-12T08:19:37.129
Date updated
2025-11-12 08:35:35 UTC+0000
Release date
2025-11-12 08:19:37 UTC+0000
UTC Start
2025-11-12 08:19:37.129
UTC End
2025-11-12 08:25:37.129
MJD Start
60991.34695751
MJD End
60991.35112417667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0039555
Ambient temperature (°C)
12.41
Seeing (arcsec)
0.89
Observation
ID
71568
Category
calibrator
Program ID
116.28Y5.002
Program Title
CONSTRAINING THE MULTIPLICITY OF MASSIVE STARS IN METAL-POOR CLUSTERS USING DOLIDZE 25
Program Type
Normal
PI / COI
FROST / AGHAKHANLOO / TAN
Target
ID
53152
Name
TYC_148-2117-1
RA
101.55778
DEC
0.33362
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 53.0960 53.3580 29.7000 30.2000
U1-U3 97.2350 97.7460 36.2000 36.6000
U1-U4 128.8940 129.3070 63.0820 63.1660
U2-U3 44.8690 45.1030 43.8000 44.1000
U2-U4 89.4230 89.3620 82.1240 82.1100
U3-U4 60.9380 60.5620 109.2850 109.4010
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28Y5.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60991.34695751
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME TYC 148-2117-1
HIERARCH ESO INS SOBJ NAME TYC_148-2117-1
RA 101.55778
DEC 0.33362
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 53.096
HIERARCH ESO ISS PBL12 END 53.358
HIERARCH ESO ISS PBLA12 START 29.7
HIERARCH ESO ISS PBLA12 END 30.2
HIERARCH ESO ISS PBL13 START 97.235
HIERARCH ESO ISS PBL13 END 97.746
HIERARCH ESO ISS PBLA13 START 36.2
HIERARCH ESO ISS PBLA13 END 36.6
HIERARCH ESO ISS PBL14 START 128.894
HIERARCH ESO ISS PBL14 END 129.307
HIERARCH ESO ISS PBLA14 START 63.082
HIERARCH ESO ISS PBLA14 END 63.166
HIERARCH ESO ISS PBL23 START 44.869
HIERARCH ESO ISS PBL23 END 45.103
HIERARCH ESO ISS PBLA23 START 43.8
HIERARCH ESO ISS PBLA23 END 44.1
HIERARCH ESO ISS PBL24 START 89.423
HIERARCH ESO ISS PBL24 END 89.362
HIERARCH ESO ISS PBLA24 START 82.124
HIERARCH ESO ISS PBLA24 END 82.11
HIERARCH ESO ISS PBL34 START 60.938
HIERARCH ESO ISS PBL34 END 60.562
HIERARCH ESO ISS PBLA34 START 109.285
HIERARCH ESO ISS PBLA34 END 109.401
HIERARCH ESO ISS AMBI TAU0 START 0.003048
HIERARCH ESO ISS AMBI TAU0 END 0.004863
HIERARCH ESO ISS AMBI TEMP 12.41
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.92