Exposure
ID
GRAVI.2025-11-12T07:47:31.047_1
Header ID
GRAVI.2025-11-12T07:47:31.047
Date updated
2025-11-12 08:00:55 UTC+0000
Release date
2026-11-12 08:00:55 UTC+0000
UTC Start
2025-11-12 07:47:31.047
UTC End
2025-11-12 07:53:31.047
MJD Start
60991.3246649
MJD End
60991.328831566665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0050054999999999995
Ambient temperature (°C)
12.6
Seeing (arcsec)
0.585
Observation
ID
71565
Category
science
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
53149
Name
Cl_Dolidze__25_____M
RA
101.392939
DEC
0.33572
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 51.7070 51.9910 27.0000 27.6000
U1-U3 94.3880 94.9880 33.8000 34.3000
U1-U4 125.6780 126.4680 62.3770 62.5560
U2-U3 43.4810 43.7840 41.9000 42.3000
U2-U4 88.7330 89.0030 82.1040 82.1200
U3-U4 62.2070 62.0370 108.9180 108.9630
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28Y5.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60991.3246649
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME Cl Dolidze 25 MV 24
HIERARCH ESO INS SOBJ NAME Cl_Dolidze__25_____M
RA 101.392939
DEC 0.33572
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 51.707
HIERARCH ESO ISS PBL12 END 51.991
HIERARCH ESO ISS PBLA12 START 27.0
HIERARCH ESO ISS PBLA12 END 27.6
HIERARCH ESO ISS PBL13 START 94.388
HIERARCH ESO ISS PBL13 END 94.988
HIERARCH ESO ISS PBLA13 START 33.8
HIERARCH ESO ISS PBLA13 END 34.3
HIERARCH ESO ISS PBL14 START 125.678
HIERARCH ESO ISS PBL14 END 126.468
HIERARCH ESO ISS PBLA14 START 62.377
HIERARCH ESO ISS PBLA14 END 62.556
HIERARCH ESO ISS PBL23 START 43.481
HIERARCH ESO ISS PBL23 END 43.784
HIERARCH ESO ISS PBLA23 START 41.9
HIERARCH ESO ISS PBLA23 END 42.3
HIERARCH ESO ISS PBL24 START 88.733
HIERARCH ESO ISS PBL24 END 89.003
HIERARCH ESO ISS PBLA24 START 82.104
HIERARCH ESO ISS PBLA24 END 82.12
HIERARCH ESO ISS PBL34 START 62.207
HIERARCH ESO ISS PBL34 END 62.037
HIERARCH ESO ISS PBLA34 START 108.918
HIERARCH ESO ISS PBLA34 END 108.963
HIERARCH ESO ISS AMBI TAU0 START 0.005207
HIERARCH ESO ISS AMBI TAU0 END 0.004804
HIERARCH ESO ISS AMBI TEMP 12.6
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.57