Exposure
ID
GRAVI.2025-11-12T07:54:07.064_1
Header ID
GRAVI.2025-11-12T07:54:07.064
Date updated
2025-11-12 08:11:01 UTC+0000
Release date
2026-11-12 08:11:01 UTC+0000
UTC Start
2025-11-12 07:54:07.064
UTC End
2025-11-12 08:00:07.064
MJD Start
60991.32924843
MJD End
60991.33341509666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004299
Ambient temperature (°C)
12.46
Seeing (arcsec)
0.58
Observation
ID
71566
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
53150
Name
Cl_Dolidze__25_____M
RA
101.392942
DEC
0.33571
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 52.0060 52.2850 27.6000 28.2000
U1-U3 95.0190 95.6000 34.4000 34.8000
U1-U4 126.5080 127.2170 62.5650 62.7230
U2-U3 43.8000 44.0880 42.4000 42.8000
U2-U4 89.0150 89.2150 82.1210 82.1300
U3-U4 62.0270 61.8150 108.9660 109.0250
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 60991.32924843
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 101.392942
DEC 0.33571
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 52.006
HIERARCH ESO ISS PBL12 END 52.285
HIERARCH ESO ISS PBLA12 START 27.6
HIERARCH ESO ISS PBLA12 END 28.2
HIERARCH ESO ISS PBL13 START 95.019
HIERARCH ESO ISS PBL13 END 95.6
HIERARCH ESO ISS PBLA13 START 34.4
HIERARCH ESO ISS PBLA13 END 34.8
HIERARCH ESO ISS PBL14 START 126.508
HIERARCH ESO ISS PBL14 END 127.217
HIERARCH ESO ISS PBLA14 START 62.565
HIERARCH ESO ISS PBLA14 END 62.723
HIERARCH ESO ISS PBL23 START 43.8
HIERARCH ESO ISS PBL23 END 44.088
HIERARCH ESO ISS PBLA23 START 42.4
HIERARCH ESO ISS PBLA23 END 42.8
HIERARCH ESO ISS PBL24 START 89.015
HIERARCH ESO ISS PBL24 END 89.215
HIERARCH ESO ISS PBLA24 START 82.121
HIERARCH ESO ISS PBLA24 END 82.13
HIERARCH ESO ISS PBL34 START 62.027
HIERARCH ESO ISS PBL34 END 61.815
HIERARCH ESO ISS PBLA34 START 108.966
HIERARCH ESO ISS PBLA34 END 109.025
HIERARCH ESO ISS AMBI TAU0 START 0.004804
HIERARCH ESO ISS AMBI TAU0 END 0.003794
HIERARCH ESO ISS AMBI TEMP 12.46
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.59