Exposure
ID
GRAVI.2025-08-11T03:44:27.710_1
Header ID
GRAVI.2025-08-11T03:44:27.710
Date updated
2025-08-11 04:00:47 UTC+0000
Release date
2026-08-11 04:00:47 UTC+0000
UTC Start
2025-08-11 03:44:27.710
UTC End
2025-08-11 03:49:47.710
MJD Start
60898.15587627
MJD End
60898.159579973704
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0036215
Ambient temperature (°C)
14.42
Seeing (arcsec)
0.745
Observation
ID
69854
Category
science
Program ID
115.283H.002
Program Title
TESTING BINARITY AND THE MIGRATION SCENARIO AMONG M17 MYSOS
Program Type
Normal
PI / COI
BORDIER / FROST / SANA / RAMIREZ TANNUS / DE WIT / REGGIANI
Target
ID
51855
Name
NGC6618_B26
RA
275.109699
DEC
-16.18547
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 56.0970 55.9930 34.9000 35.1000
U1-U3 100.7760 100.4810 40.6000 40.8000
U1-U4 120.8220 119.7340 67.2220 67.3990
U2-U3 45.2920 45.0900 47.6000 47.7000
U2-U4 79.3090 78.3090 89.4440 89.8320
U3-U4 54.6940 54.0870 122.9920 123.8070
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.283H.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60898.15587627
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME NGC6618 B269
HIERARCH ESO INS SOBJ NAME NGC6618_B26
RA 275.109699
DEC -16.18547
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 339.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 56.097
HIERARCH ESO ISS PBL12 END 55.993
HIERARCH ESO ISS PBLA12 START 34.9
HIERARCH ESO ISS PBLA12 END 35.1
HIERARCH ESO ISS PBL13 START 100.776
HIERARCH ESO ISS PBL13 END 100.481
HIERARCH ESO ISS PBLA13 START 40.6
HIERARCH ESO ISS PBLA13 END 40.8
HIERARCH ESO ISS PBL14 START 120.822
HIERARCH ESO ISS PBL14 END 119.734
HIERARCH ESO ISS PBLA14 START 67.222
HIERARCH ESO ISS PBLA14 END 67.399
HIERARCH ESO ISS PBL23 START 45.292
HIERARCH ESO ISS PBL23 END 45.09
HIERARCH ESO ISS PBLA23 START 47.6
HIERARCH ESO ISS PBLA23 END 47.7
HIERARCH ESO ISS PBL24 START 79.309
HIERARCH ESO ISS PBL24 END 78.309
HIERARCH ESO ISS PBLA24 START 89.444
HIERARCH ESO ISS PBLA24 END 89.832
HIERARCH ESO ISS PBL34 START 54.694
HIERARCH ESO ISS PBL34 END 54.087
HIERARCH ESO ISS PBLA34 START 122.992
HIERARCH ESO ISS PBLA34 END 123.807
HIERARCH ESO ISS AMBI TAU0 START 0.004157
HIERARCH ESO ISS AMBI TAU0 END 0.003086
HIERARCH ESO ISS AMBI TEMP 14.42
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.8