Exposure
ID
GRAVI.2025-11-12T08:13:04.113_1
Header ID
GRAVI.2025-11-12T08:13:04.113
Date updated
2025-11-12 08:30:47 UTC+0000
Release date
2025-11-12 08:13:04 UTC+0000
UTC Start
2025-11-12 08:13:04.113
UTC End
2025-11-12 08:19:04.113
MJD Start
60991.34240871
MJD End
60991.346575376665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004007500000000001
Ambient temperature (°C)
12.43
Seeing (arcsec)
0.74
Observation
ID
71567
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
53151
Name
TYC_148-2117-1
RA
101.557774
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 52.8150 53.0820 29.2000 29.7000
U1-U3 96.6770 97.2070 35.7000 36.2000
U1-U4 128.3790 128.8700 62.9730 63.0770
U2-U3 44.6080 44.8560 43.5000 43.8000
U2-U4 89.4160 89.4250 82.1320 82.1240
U3-U4 61.2890 60.9570 109.1790 109.2790
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 60991.34240871
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 101.557774
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 52.815
HIERARCH ESO ISS PBL12 END 53.082
HIERARCH ESO ISS PBLA12 START 29.2
HIERARCH ESO ISS PBLA12 END 29.7
HIERARCH ESO ISS PBL13 START 96.677
HIERARCH ESO ISS PBL13 END 97.207
HIERARCH ESO ISS PBLA13 START 35.7
HIERARCH ESO ISS PBLA13 END 36.2
HIERARCH ESO ISS PBL14 START 128.379
HIERARCH ESO ISS PBL14 END 128.87
HIERARCH ESO ISS PBLA14 START 62.973
HIERARCH ESO ISS PBLA14 END 63.077
HIERARCH ESO ISS PBL23 START 44.608
HIERARCH ESO ISS PBL23 END 44.856
HIERARCH ESO ISS PBLA23 START 43.5
HIERARCH ESO ISS PBLA23 END 43.8
HIERARCH ESO ISS PBL24 START 89.416
HIERARCH ESO ISS PBL24 END 89.425
HIERARCH ESO ISS PBLA24 START 82.132
HIERARCH ESO ISS PBLA24 END 82.124
HIERARCH ESO ISS PBL34 START 61.289
HIERARCH ESO ISS PBL34 END 60.957
HIERARCH ESO ISS PBLA34 START 109.179
HIERARCH ESO ISS PBLA34 END 109.279
HIERARCH ESO ISS AMBI TAU0 START 0.004316
HIERARCH ESO ISS AMBI TAU0 END 0.003699
HIERARCH ESO ISS AMBI TEMP 12.43
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.86