Exposure
ID
GRAVI.2025-07-15T06:33:14.628_1
Header ID
GRAVI.2025-07-15T06:33:14.628
Date updated
2025-07-15 06:50:32 UTC+0000
Release date
2025-07-15 06:50:31 UTC+0000
UTC Start
2025-07-15 06:33:14.628
UTC End
2025-07-15 06:39:14.628
MJD Start
60871.27308597
MJD End
60871.27725263667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0056545
Ambient temperature (°C)
12.4
Seeing (arcsec)
0.48
Observation
ID
68787
Category
science
Program ID
110.24B5.004
Program Title
THE FORMATION OF MASSIVE BINARY STARS: A VIEW AT AU SCALES
Program Type
DDT
PI / COI
OUDMAIJER / KOUTOULAKI / KOUMPIA / FROST / DE WIT / GOODWIN / SHENTON / LUMSDEN
Target
ID
51179
Name
G034.0500-00.2977
RA
283.631762
DEC
0.85642
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
LOW-COMBINED
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 64.9720 63.5090 122.7000 123.5000
A0-J2 101.1580 98.9180 92.6000 92.6000
A0-K0 113.5820 112.0260 70.0620 69.7490
G1-J2 55.5630 55.1500 56.6000 56.3000
G1-K0 90.3940 90.4460 35.2030 35.2260
J2-K0 43.6650 43.7450 7.5180 8.2540
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.24B5.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60871.27308597
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME G034.0500-00.2977
HIERARCH ESO INS SOBJ NAME G034.0500-00.2977
RA 283.631762
DEC 0.85642
HIERARCH ESO INS SPEC RES LOW
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 375.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 64.972
HIERARCH ESO ISS PBL12 END 63.509
HIERARCH ESO ISS PBLA12 START 122.7
HIERARCH ESO ISS PBLA12 END 123.5
HIERARCH ESO ISS PBL13 START 101.158
HIERARCH ESO ISS PBL13 END 98.918
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 113.582
HIERARCH ESO ISS PBL14 END 112.026
HIERARCH ESO ISS PBLA14 START 70.062
HIERARCH ESO ISS PBLA14 END 69.749
HIERARCH ESO ISS PBL23 START 55.563
HIERARCH ESO ISS PBL23 END 55.15
HIERARCH ESO ISS PBLA23 START 56.6
HIERARCH ESO ISS PBLA23 END 56.3
HIERARCH ESO ISS PBL24 START 90.394
HIERARCH ESO ISS PBL24 END 90.446
HIERARCH ESO ISS PBLA24 START 35.203
HIERARCH ESO ISS PBLA24 END 35.226
HIERARCH ESO ISS PBL34 START 43.665
HIERARCH ESO ISS PBL34 END 43.745
HIERARCH ESO ISS PBLA34 START 7.518
HIERARCH ESO ISS PBLA34 END 8.254
HIERARCH ESO ISS AMBI TAU0 START 0.005204
HIERARCH ESO ISS AMBI TAU0 END 0.006105
HIERARCH ESO ISS AMBI TEMP 12.4
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48
HIERARCH ESO FT ROBJ NAME 2MASS18543092+005113
HIERARCH ESO FT ROBJ ALPHA 185430.926
HIERARCH ESO FT ROBJ DELTA 005113.010