Exposure
ID
GRAVI.2025-07-15T06:55:17.684_1
Header ID
GRAVI.2025-07-15T06:55:17.684
Date updated
2025-07-15 07:10:47 UTC+0000
Release date
2025-07-15 07:10:46 UTC+0000
UTC Start
2025-07-15 06:55:17.684
UTC End
2025-07-15 07:01:17.684
MJD Start
60871.28839912
MJD End
60871.292565786665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0040184999999999995
Ambient temperature (°C)
12.29
Seeing (arcsec)
0.45999999999999996
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 59.7530 58.2480 125.9000 127.0000
A0-J2 92.9600 90.4810 92.7000 92.8000
A0-K0 107.8040 106.0190 68.8570 68.4590
G1-J2 53.9940 53.4930 55.4000 55.0000
G1-K0 90.4780 90.4520 35.1940 35.1460
J2-K0 43.9760 44.0780 10.0660 10.7640
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 60871.28839912
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 59.753
HIERARCH ESO ISS PBL12 END 58.248
HIERARCH ESO ISS PBLA12 START 125.9
HIERARCH ESO ISS PBLA12 END 127.0
HIERARCH ESO ISS PBL13 START 92.96
HIERARCH ESO ISS PBL13 END 90.481
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 107.804
HIERARCH ESO ISS PBL14 END 106.019
HIERARCH ESO ISS PBLA14 START 68.857
HIERARCH ESO ISS PBLA14 END 68.459
HIERARCH ESO ISS PBL23 START 53.994
HIERARCH ESO ISS PBL23 END 53.493
HIERARCH ESO ISS PBLA23 START 55.4
HIERARCH ESO ISS PBLA23 END 55.0
HIERARCH ESO ISS PBL24 START 90.478
HIERARCH ESO ISS PBL24 END 90.452
HIERARCH ESO ISS PBLA24 START 35.194
HIERARCH ESO ISS PBLA24 END 35.146
HIERARCH ESO ISS PBL34 START 43.976
HIERARCH ESO ISS PBL34 END 44.078
HIERARCH ESO ISS PBLA34 START 10.066
HIERARCH ESO ISS PBLA34 END 10.764
HIERARCH ESO ISS AMBI TAU0 START 0.004339
HIERARCH ESO ISS AMBI TAU0 END 0.003698
HIERARCH ESO ISS AMBI TEMP 12.29
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.44
HIERARCH ESO FT ROBJ NAME 2MASS18543092+005113
HIERARCH ESO FT ROBJ ALPHA 185430.926
HIERARCH ESO FT ROBJ DELTA 005113.010